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Six Action Steps to Address Global Disparities in Parkinson Disease: A World Health Organization Priority | Global Health | JAMA Neurology | JAMA Network
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advocacy and awareness; prevention and risk reduction; diagnosis, treatment, and care; caregiver..." /> <meta property="fb:pages" content="87087958340" /> <meta property="fb:pages" content="122228711814384" /> <meta property="fb:pages" content="1648414928738217" /> <meta property="fb:pages" content="117506346528" /> <meta property="fb:pages" content="97538728726" /> <meta property="fb:pages" content="114116793520" /> <meta property="fb:pages" content="100679858757" /> <meta property="fb:pages" content="759822190741773" /> <meta property="fb:pages" content="100265333750" /> <meta property="fb:pages" content="234770525256" /> <meta property="fb:pages" content="98784919862" /> <meta property="fb:pages" content="120829458202" /> <meta property="fb:pages" content="124842870398" /> <meta property="fb:pages" content="110245330325636" /> <meta name="twitter:card" content="summary_large_image" /> <meta name="twitter:site" content="@JAMANeuro" /> <meta name="twitter:image" content="https://cdn.jamanetwork.com/ama/content_public/journal/neur/938983/nsc220001f1_1662471547.29301.png?Expires=2147483647&Signature=iDAw-NxZegDB0QgXuT74kE8iZxOtl-n43khJtPwPuYlVVD-Tr81iK2Rd2Iphb9RWSQHkqU3F1~q3kml2-ZTkeDNbkIZuDR-4ssiQh3JTCsghvVcxrYi-M2ah-FY~14dwxpobsri8qphA3p15kQCBZFNmWTBM91oGKfiI6VLs-9Fjr0nKX5DbsbViZlMITl44GS9xGgxEihfV6ZPevlzY2t95LpeKpRpwKN4AiCE6jiS0GbiEcSbFQyZsTDz2pOeu9bXGJSM8sNkvdkRjL8g~KRxEra9izCG-D0Yb8FT-DF4p1QLVlT7efV8uw1Hmv~8MLWhqyLYfigxwnPKaqYNk5w__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" /> <script type="application/ld+json"> { "@context": "https://schema.org/", "@type": "Article", "headline": "Six Action Steps to Address Global Disparities in Parkinson Disease: A World Health Organization Priority", "author": "Nicoline Schiess, MD, MPH", "url": "https://jamanetwork.com/journals/jamaneurology/fullarticle/2793874", "datePublished": "2022-09-01", "description": "This Special Communication discusses findings from a World Health Organization consultation workshop on global disparities in Parkinson disease, including 6 workable avenues for action: disease burden; 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Okun" /><meta name="citation_author_institution" content="Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville" /><meta name="citation_author_institution" content="Associate Editor, JAMA Neurology" /><meta name="citation_author" content="Natasha Fothergill-Misbah" /><meta name="citation_author_institution" content="Department of Gerontology, University of Southampton, Southampton, United Kingdom" /><meta name="citation_author" content="E. Ray Dorsey" /><meta name="citation_author_institution" content="University of Rochester, Rochester, New York" /><meta name="citation_author" content="Bastiaan R. 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Safra Foundation, Geneva, Switzerland" /><meta name="citation_author" content="Esther Cubo" /><meta name="citation_author_institution" content="Hospital Universitario Burgos, Burgos, Spain" /><meta name="citation_author" content="Alessandro Di Rocco" /><meta name="citation_author_institution" content="Zucker School of Medicine at Hofstra Northwell, Uniondale, New York" /><meta name="citation_author" content="Rachel Dolhun" /><meta name="citation_author_institution" content="The Michael J. Fox Foundation, New York, New York" /><meta name="citation_author" content="Christopher Dowrick" /><meta name="citation_author_institution" content="University of Liverpool, Liverpool, United Kingdom" /><meta name="citation_author" content="Victor S. C. Fung" /><meta name="citation_author_institution" content="Movement Disorders Unit, Department of Neurology, Westmead Hospital and University of Sydney, Sydney, Australia" /><meta name="citation_author" content="Oscar S. Gershanik" /><meta name="citation_author_institution" content="Institute of Neuroscience, Favaloro Foundation University Hospital, Buenos Aires, Argentina" /><meta name="citation_author" content="Larry Gifford" /><meta name="citation_author_institution" content="Person With Parkinsons, PD Avengers, Vancouver, British Columbia, Canada" /><meta name="citation_author" content="Joyce Gordon" /><meta name="citation_author_institution" content="Neurological Health Charities Canada, Toronto, Ontario, Canada" /><meta name="citation_author" content="Hanan Khalil" /><meta name="citation_author_institution" content="College of Health Sciences, Department of Physiotherapy, Qatar University, Doha, Qatar" /><meta name="citation_author" content="Andrea A. Kühn" /><meta name="citation_author_institution" content="Department of Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany" /><meta name="citation_author" content="Sara Lew" /><meta name="citation_author_institution" content="Malaysian Parkinson’s Disease Association, Kuala Lumpur, Malaysia" /><meta name="citation_author" content="Shen-Yang Lim" /><meta name="citation_author_institution" content="Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia" /><meta name="citation_author_institution" content="The Mah Pooi Soo and Tan Chin Nam Centre for Parkinson’s and Related Disorders, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia" /><meta name="citation_author" content="Maria M. Marano" /><meta name="citation_author_institution" content="Parkinson Canada, Toronto, Ontario, Canada" /><meta name="citation_author" content="Jacquie Micallef" /><meta name="citation_author_institution" content="Parkinson Canada, Toronto, Ontario, Canada" /><meta name="citation_author" content="Jolynne Mokaya" /><meta name="citation_author_institution" content="University of Oxford, Oxford, United Kingdom" /><meta name="citation_author" content="Emile Moukheiber" /><meta name="citation_author_institution" content="Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland" /><meta name="citation_author" content="Lynda Nwabuobi" /><meta name="citation_author_institution" content="Weill Cornell Parkinson’s Disease and Movement Disorders Institute, New York, New York" /><meta name="citation_author" content="Njideka Okubadejo" /><meta name="citation_author_institution" content="College of Medicine, University of Lagos, Lagos, Nigeria" /><meta name="citation_author" content="Pramod Kumar Pal" /><meta name="citation_author_institution" content="National Institute of Mental Health and Neurosciences, Bengaluru, India" /><meta name="citation_author" content="Hiral Shah" /><meta name="citation_author_institution" content="Columbia University Medical Center, New York, New York" /><meta name="citation_author" content="Ali Shalash" /><meta name="citation_author_institution" content="Department of Neurology, Faculty of Medicine, Ain Shams University, Cairo, Egypt" /><meta name="citation_author" content="Todd Sherer" /><meta name="citation_author_institution" content="The Michael J. Fox Foundation, New York, New York" /><meta name="citation_author" content="Bernadette Siddiqui" /><meta name="citation_author_institution" content="The Michael J. Fox Foundation, New York, New York" /><meta name="citation_author" content="Ted Thompson" /><meta name="citation_author_institution" content="The Michael J. Fox Foundation, New York, New York" /><meta name="citation_author" content="Andreas Ullrich" /><meta name="citation_author_institution" content="Department of Gynaecology and Gynaecological Oncology Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany" /><meta name="citation_author" content="Richard Walker" /><meta name="citation_author_institution" content="Northumbria Healthcare NHS Foundation Trust, Newcastle-upon-Tyne, United Kingdom" /><meta name="citation_author" content="Tarun Dua" /><meta name="citation_author_institution" content="Brain Health Unit, Department of Mental Health and Substance Use, World Health Organization, Geneva, Switzerland" /><meta name="citation_title" content="Six Action Steps to Address Global Disparities in Parkinson Disease: A World Health Organization Priority" /><meta name="citation_firstpage" content="929" /><meta name="citation_lastpage" content="936" /><meta name="citation_doi" content="10.1001/jamaneurol.2022.1783" /><meta name="citation_keyword" content="parkinson disease" /><meta name="citation_keyword" content="world health organization" /><meta name="citation_keyword" content="risk reduction" /><meta name="citation_keyword" content="health disparity" /><meta name="citation_keyword" content="caregivers" /><meta name="citation_keyword" content="cost of illness" /><meta name="citation_keyword" content="advocacy" /><meta name="citation_keyword" content="nervous system disorders" /><meta name="citation_keyword" content="consultation" /><meta name="citation_keyword" content="epilepsy" /><meta name="citation_abstract" content="<h3>Importance</h3><p>The Global Burden of Disease study conducted between 1990 and 2016, based on a global study of 195 countries and territories, identified Parkinson disease (PD) as the fastest growing neurological disorder when measured using death and disability. Most people affected by PD live in low- and middle-income countries (LMICs) and experience large inequalities in access to neurological care and essential medicines. This Special Communication describes 6 actions steps that are urgently needed to address global disparities in PD.</p><h3>Observations</h3><p>The adoption by the 73rd World Health Assembly (WHA) of resolution 73.10 to develop an intersectoral global action plan on epilepsy and other neurological disorders in consultation with member states was the stimulus to coordinate efforts and leverage momentum to advance the agenda of neurological conditions, such as PD. In April 2021, the Brain Health Unit at the World Health Organization convened a multidisciplinary, sex-balanced, international consultation workshop, which identified 6 workable avenues for action within the domains of disease burden; advocacy and awareness; prevention and risk reduction; diagnosis, treatment, and care; caregiver support; and research.</p><h3>Conclusions and Relevance</h3><p>The dramatic increase of PD cases in many world regions and the potential costs of PD-associated treatment will need to be addressed to prevent possible health service strain. Across the board, governments, multilateral agencies, donors, public health organizations, and health care professionals constitute potential stakeholders who are urged to make this a priority.</p>" /><meta name="citation_journal_title" content="JAMA Neurology" /><meta name="citation_journal_abbrev" content="JAMA Neurol" /><meta name="citation_volume" content="79" /><meta name="citation_issue" content="9" /><meta name="citation_publication_date" content="2022/09/01" /><meta name="citation_issn" content="2168-6149" /><meta name="citation_publisher" content="American Medical Association" /><meta name="citation_reference" content="citation_title=Global, regional, and national burden of neurological disorders, 1990-2016: a systematic analysis for the Global Burden of Disease Study 2016.; citation_author=GBD 2016 Neurology Collaborators; citation_journal_title=Lancet Neurol; citation_year=2019; citation_volume=18; citation_issue=5; citation_pages=459-480; " /><meta name="citation_reference" content="World Health Organization. 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Reduction</a></li> <li><a class="section-jump-link contents-tab-jump-link scroll-to head-1" href="#248588624" data-tab-toggle=".tab-nav-full-text">Diagnosis, Treatment, and Care</a></li> <li><a class="section-jump-link contents-tab-jump-link scroll-to head-1" href="#248588633" data-tab-toggle=".tab-nav-full-text">Caregiver Support</a></li> <li><a class="section-jump-link contents-tab-jump-link scroll-to head-1" href="#248588637" data-tab-toggle=".tab-nav-full-text">Research</a></li> <li><a class="section-jump-link contents-tab-jump-link scroll-to head-1" href="#248588640" data-tab-toggle=".tab-nav-full-text">Global and Regional Health Policies to Implement the PD Strategies</a></li> <li><a class="section-jump-link contents-tab-jump-link scroll-to head-1" href="#248588645" data-tab-toggle=".tab-nav-full-text">Conclusions</a></li> <li><a class="section-jump-link contents-tab-jump-link scroll-to head-1" href="#248588647" data-tab-toggle=".tab-nav-full-text">Article Information</a></li> <li><a class="section-jump-link contents-tab-jump-link scroll-to head-1" href="#248588648" data-tab-toggle=".tab-nav-full-text">References</a></li> </ul> </div> <div class="widget-SelfServeContent widget-instance-AMA_Contents_Tab_SelfServe"> <div class="self-serve"> <input type="hidden" class="SelfServeContentId" value="v2_article_content_tab" /> <input type="hidden" class="SelfServeVersionId" value="0" /> <div class="bc_right_rail_article_promo"><!-- Content Goes Here --></div> </div> </div> </div> <div class="contents-tab-ad"> <div id="split-screen-contab"></div> </div> </div> <div id="figure-table-tab" class="resource-tab js-resource-tab figure-table-tab need-jobs-ad"> <div class="widget-ArticleFiguresAndTables widget-instance-AMA_Article_Figures_Tab"> <div class="figure-table-wrapper thm-bd-top"><div class="figure-label">Figure 1. Deaths and Disability-Adjusted Life-Years (DALYs) Caused by Parkinson Disease (PD) by Income Classification and Country</div><a id="nsc220001f1" class="figure-table-anchor"> </a><div class="figure-table-links right"><a class="view-large figure-table-link is-b desktop-only" path-from-xml="nsc220001f1" href="https://cdn.jamanetwork.com/ama/content_public/journal/neur/938983/nsc220001f1_1662471547.29301.png?Expires=1735230780&Signature=jYjBXOOx9EaNyYgP-JlY-blcx2a2BFU5-Q2z9Lf7T1kV8jkMBSeKYeL2r9ocpmOm3HUuwW6aAWVKuOlUAPqO4sFm7qKPfFcbTq4zFYmli6bR-nm0NJ8oc94KaSreD-DhkeO9K65LNg4lx5HtMWDVHHkJp8q~nllJQn7ME-HQG1ZuJh~vWuwlEH2RO5LWrko4aBZ1g9BjiLA9u8CUZZJYMeXlvibXt2tr9e0hJGYrv4VbhXcNXQJhmDnyd2~ylrrspRS~prFrW18hYIy8WQPFJC5R59OIU0BfGHHZ7HaLVwy8NOqSodbOIYNVZs5D0Qiwk4z1B6lO3XDts9lNtU2~3g__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" rel="nofollow"><span class="view-large-text">View Large</span></a><a class="download-ppt figure-table-link is-b stats-download-figure-table" path-from-xml="nsc220001f1" href="/downloadimage.aspx?image=https://cdn.jamanetwork.com/ama/content_public/journal/neur/938983/nsc220001f1_1662471547.29301.png?Expires=1735230780&Signature=jYjBXOOx9EaNyYgP-JlY-blcx2a2BFU5-Q2z9Lf7T1kV8jkMBSeKYeL2r9ocpmOm3HUuwW6aAWVKuOlUAPqO4sFm7qKPfFcbTq4zFYmli6bR-nm0NJ8oc94KaSreD-DhkeO9K65LNg4lx5HtMWDVHHkJp8q~nllJQn7ME-HQG1ZuJh~vWuwlEH2RO5LWrko4aBZ1g9BjiLA9u8CUZZJYMeXlvibXt2tr9e0hJGYrv4VbhXcNXQJhmDnyd2~ylrrspRS~prFrW18hYIy8WQPFJC5R59OIU0BfGHHZ7HaLVwy8NOqSodbOIYNVZs5D0Qiwk4z1B6lO3XDts9lNtU2~3g__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA&sec=248588601&ar=2793874&imagename=&siteId=16" rel="nofollow"><span class="download-ppt-text">Download</span></a><a class="figure-table-twitter figure-table-link figure-table-social addthis_button_twitter is-b" rel="nofollow"><span class="share-text"> </span></a><a class="figure-table-facebook figure-table-link figure-table-social addthis_button_facebook is-b" rel="nofollow"><span class="share-text"> </span></a></div><div class="figure-table cf cb"><div class="figure-table-image"><a href="https://cdn.jamanetwork.com/ama/content_public/journal/neur/938983/nsc220001f1_1662471547.29301.png?Expires=1735230780&Signature=jYjBXOOx9EaNyYgP-JlY-blcx2a2BFU5-Q2z9Lf7T1kV8jkMBSeKYeL2r9ocpmOm3HUuwW6aAWVKuOlUAPqO4sFm7qKPfFcbTq4zFYmli6bR-nm0NJ8oc94KaSreD-DhkeO9K65LNg4lx5HtMWDVHHkJp8q~nllJQn7ME-HQG1ZuJh~vWuwlEH2RO5LWrko4aBZ1g9BjiLA9u8CUZZJYMeXlvibXt2tr9e0hJGYrv4VbhXcNXQJhmDnyd2~ylrrspRS~prFrW18hYIy8WQPFJC5R59OIU0BfGHHZ7HaLVwy8NOqSodbOIYNVZs5D0Qiwk4z1B6lO3XDts9lNtU2~3g__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" path-from-xml="nsc220001f1" rel="nofollow"><img data-original="https://cdn.jamanetwork.com/ama/content_public/journal/neur/938983/m_nsc220001f1_1662471547.29301.png?Expires=1735230780&Signature=KfjpG6-zTJ6nJmzmYMByTtMtV-dEe5N7V7VIA2MM7xCm5M3V8mkCUWFRQ4g679hG70S1I7Fyde7auRjpFVOolFbPm5GwiLIlsRrVFEokt15CB3SPVrie~JBuJwYvvkTWMNw7W9Vnci1O7ckiBiCpNmTJxL~7RF1MpkNRrzerakvLUX85n-ujhUMo32LaXliS8F5nvPrkmnrHcuCNJyD~WjRBflcX3~IvTxNnkmX9Lsv9NL7NvpcosHsYFj66lph0t71-~-fP-3XTc~HnPlJ1NIYtGCkYEe-vassqydUjka7WoD7iFMNfquDgrudBrpZNdiGn~3MKTEXest2R6IRR6g__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" alt="Deaths and Disability-Adjusted Life-Years (DALYs) Caused by Parkinson Disease (PD) by Income Classification and Country" class="content-img lazy" path-from-xml="nsc220001f1" /></a></div></div><div class="figure-caption clip-last-child"><p class="para">HIC indicates high-income country; LMIC, low- and middle-income country.</p></div></div><div class="figure-table-wrapper thm-bd-top"><div class="figure-label">Figure 2. Availability of Antiparkinsonian Medication at the Primary Care and Hospital Levels</div><a id="nsc220001f2" class="figure-table-anchor"> </a><div class="figure-table-links right"><a class="view-large figure-table-link is-b desktop-only" path-from-xml="nsc220001f2" href="https://cdn.jamanetwork.com/ama/content_public/journal/neur/938983/nsc220001f2_1662471547.41297.png?Expires=1735230780&Signature=xH6QX7Uc1HC4RYaVGn4xcovHqwLHSCdhvDjiKPkhptE58hxiWCA-o4KoBy4nNoawJJnAttQQKs-5rYsFLviLU6pQoW2kJCJyWpwDKPG7ie~Sf8kthdUWmPRaXCVfr-9FwjhBQEcmTguzt89UPjPtWx84jWZ6fzjd39rwqGHy3xWfyf8e11Q4Fr06IilBKS5MFB9WwuFP0pexw9cIb1FUV5A~dsXUQH786srTyNgi5Re-zM3cyZOggzOxFM-evJAF9n~fE6PylD~w2hliAOV8TzJPeqWtHFvETS08iY0OmHXZK3P3KEgHeQMCkYZNWigtnMah7z7dSI3HJnpFRhMB6g__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" rel="nofollow"><span class="view-large-text">View Large</span></a><a class="download-ppt figure-table-link is-b stats-download-figure-table" path-from-xml="nsc220001f2" href="/downloadimage.aspx?image=https://cdn.jamanetwork.com/ama/content_public/journal/neur/938983/nsc220001f2_1662471547.41297.png?Expires=1735230780&Signature=xH6QX7Uc1HC4RYaVGn4xcovHqwLHSCdhvDjiKPkhptE58hxiWCA-o4KoBy4nNoawJJnAttQQKs-5rYsFLviLU6pQoW2kJCJyWpwDKPG7ie~Sf8kthdUWmPRaXCVfr-9FwjhBQEcmTguzt89UPjPtWx84jWZ6fzjd39rwqGHy3xWfyf8e11Q4Fr06IilBKS5MFB9WwuFP0pexw9cIb1FUV5A~dsXUQH786srTyNgi5Re-zM3cyZOggzOxFM-evJAF9n~fE6PylD~w2hliAOV8TzJPeqWtHFvETS08iY0OmHXZK3P3KEgHeQMCkYZNWigtnMah7z7dSI3HJnpFRhMB6g__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA&sec=248588630&ar=2793874&imagename=&siteId=16" rel="nofollow"><span class="download-ppt-text">Download</span></a><a class="figure-table-twitter figure-table-link figure-table-social addthis_button_twitter is-b" rel="nofollow"><span class="share-text"> </span></a><a class="figure-table-facebook figure-table-link figure-table-social addthis_button_facebook is-b" rel="nofollow"><span class="share-text"> </span></a></div><div class="figure-table cf cb"><div class="figure-table-image"><a href="https://cdn.jamanetwork.com/ama/content_public/journal/neur/938983/nsc220001f2_1662471547.41297.png?Expires=1735230780&Signature=xH6QX7Uc1HC4RYaVGn4xcovHqwLHSCdhvDjiKPkhptE58hxiWCA-o4KoBy4nNoawJJnAttQQKs-5rYsFLviLU6pQoW2kJCJyWpwDKPG7ie~Sf8kthdUWmPRaXCVfr-9FwjhBQEcmTguzt89UPjPtWx84jWZ6fzjd39rwqGHy3xWfyf8e11Q4Fr06IilBKS5MFB9WwuFP0pexw9cIb1FUV5A~dsXUQH786srTyNgi5Re-zM3cyZOggzOxFM-evJAF9n~fE6PylD~w2hliAOV8TzJPeqWtHFvETS08iY0OmHXZK3P3KEgHeQMCkYZNWigtnMah7z7dSI3HJnpFRhMB6g__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" path-from-xml="nsc220001f2" rel="nofollow"><img data-original="https://cdn.jamanetwork.com/ama/content_public/journal/neur/938983/m_nsc220001f2_1662471547.41297.png?Expires=1735230780&Signature=FS43uMdWyQoBX25zU8p6IXBv4K9FwC4CboInK3-am03oMW5wz~dZb7CcIqZ9Iy4iGHM6NboHNBiKi0P9Pbfuz7KP2PVUf7abacdniRuvq9hPcu2tkklzKVhDoN-iJiH6E7HR5b9CwNSG4yR5VewCvGmd8XZhQdjTt3Cur9TRw40zqGlAJjWK~Yp2a3NQjXM0X4i77hlnYvcb~-JhZh4aNh2lSNHRLfsUQMsgNRTJLPfMnWh1mMn8E06xeeHv0JdUXf6Izum7oN9X12DMIhBCjXneisIWhIXTlnCbDrEUHDVNA~00cMAKWK6q-kDOjOlLHPCKLLe~~Woek1AEYZbK4w__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" alt="Availability of Antiparkinsonian Medication at the Primary Care and Hospital Levels" class="content-img lazy" path-from-xml="nsc220001f2" /></a></div></div><div class="figure-caption clip-last-child"><p class="para">Reproduced from World Health Organization, 2017.<sup><a href="#nsc220001r8" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">8</a></sup></p></div></div> </div> <div class="widget-ArticleFiguresAndTables widget-instance-AMA_Article_Tables_Tab"> <div class="figure-table-wrapper thm-bd-top"><div class="table-label">Table. Challenges and Proposed Solutions for Advancing Best Practices and Expanding Resources for Parkinson Disease (PD)</div><a class="figure-table-anchor" id="nsc220001t1"> </a><div class="figure-table-links right"><a class="view-large figure-table-link is-b desktop-only" path-from-xml="nsc220001t1" href="https://cdn.jamanetwork.com/ama/content_public/journal/neur/938983/nsc220001t1_1662471547.31797.png?Expires=1735230780&Signature=GLnsfSnTSNHw54vepNvFO0wS1ikCIHinVgHafRXfSKJdCe1Rmwu5t13uzeYQqT3F4YhDQMHyaQj7dXvcPJN5gM86~ZNRO3Zqmbai9~cDiOlHt8qV~mCkBIjQk5au0Y2rt8~p5kpmQbdno0En-Y1glNy8xRElCwmYsr2Ky0tFU9sK-Rnc8wpifZ87pfmJTg7-CvzY-oZk158KKKE9a2MsIOvqNvM9SytJFahRGG5d~R1VXgCJZUNVJfAEpxUs89iasai7h8WuMgq22z0hKXTYcZ57OHxsKxCUKOk-BPxDJoMQeGE2P~CSNyCh5H1sJaG4wGWjDPNRyllDcLXYhh7osQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" rel="nofollow"><span class="view-large-text">View Large</span></a><a class="download-ppt figure-table-link is-b stats-download-figure-table" path-from-xml="nsc220001t1" href="/downloadimage.aspx?image=https://cdn.jamanetwork.com/ama/content_public/journal/neur/938983/nsc220001t1_1662471547.31797.png?Expires=1735230780&Signature=GLnsfSnTSNHw54vepNvFO0wS1ikCIHinVgHafRXfSKJdCe1Rmwu5t13uzeYQqT3F4YhDQMHyaQj7dXvcPJN5gM86~ZNRO3Zqmbai9~cDiOlHt8qV~mCkBIjQk5au0Y2rt8~p5kpmQbdno0En-Y1glNy8xRElCwmYsr2Ky0tFU9sK-Rnc8wpifZ87pfmJTg7-CvzY-oZk158KKKE9a2MsIOvqNvM9SytJFahRGG5d~R1VXgCJZUNVJfAEpxUs89iasai7h8WuMgq22z0hKXTYcZ57OHxsKxCUKOk-BPxDJoMQeGE2P~CSNyCh5H1sJaG4wGWjDPNRyllDcLXYhh7osQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA&sec=248588607&ar=2793874&imagename=&siteId=16" rel="nofollow"><span class="download-ppt-text">Download</span></a><a class="figure-table-twitter figure-table-link figure-table-social addthis_button_twitter is-b" rel="nofollow"><span class="share-text"> </span></a><a class="figure-table-facebook figure-table-link figure-table-social addthis_button_facebook is-b" rel="nofollow"><span class="share-text"> </span></a></div><div class="figure-table cf cb"><div class="figure-table-image"><a href="https://cdn.jamanetwork.com/ama/content_public/journal/neur/938983/nsc220001t1_1662471547.31797.png?Expires=1735230780&Signature=GLnsfSnTSNHw54vepNvFO0wS1ikCIHinVgHafRXfSKJdCe1Rmwu5t13uzeYQqT3F4YhDQMHyaQj7dXvcPJN5gM86~ZNRO3Zqmbai9~cDiOlHt8qV~mCkBIjQk5au0Y2rt8~p5kpmQbdno0En-Y1glNy8xRElCwmYsr2Ky0tFU9sK-Rnc8wpifZ87pfmJTg7-CvzY-oZk158KKKE9a2MsIOvqNvM9SytJFahRGG5d~R1VXgCJZUNVJfAEpxUs89iasai7h8WuMgq22z0hKXTYcZ57OHxsKxCUKOk-BPxDJoMQeGE2P~CSNyCh5H1sJaG4wGWjDPNRyllDcLXYhh7osQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" path-from-xml="nsc220001t1" rel="nofollow"><img data-original="https://cdn.jamanetwork.com/ama/content_public/journal/neur/938983/m_nsc220001t1_1662471547.31797.png?Expires=1735230780&Signature=lh3PNwSFU7NuHFAEcr-uHAbpPVeQC0gEr1mcTvCbtPxlZTcAwio6PxcGovHF00fwxmtfyW1YyGNYerBwO0dfYEh-Y1HWHkOneZBM8gbxa9a9U0~2Zzcvam0nNWNo9aHCkDdwVHyt31f7Xh8JPd8WV8-Zt08MbVaaBF-mP8KgXmg0OhIP2oqce9ww5sdMFXBcz37Pn~qDhI2pGuN-zVVEq0ExI9JBe3cgkskibUx2odvDV8Ko1DrqgwUULjflLSW9CIGUACvDPGy7-W1nPKrdOhql0BkNzjnrtKnFIFVz-C7y6jXKBzmfym30PL4Fk5A7y7zfZo4kPfoDqwGISeo8~A__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" alt="Challenges and Proposed Solutions for Advancing Best Practices and Expanding Resources for Parkinson Disease (PD)" class="content-img lazy" path-from-xml="nsc220001t1" /></a></div></div><div class="table-caption"></div></div> </div> </div> <div id="multimedia-tab" class="resource-tab js-resource-tab multimedia-tab need-jobs-ad"> </div> <div id="supplemental-tab" class="resource-tab js-resource-tab supplemental-tab need-jobs-ad"> </div> <div id="references-tab" class="resource-tab js-resource-tab references-tab need-jobs-ad"> <div class="references-wrap"> <div class="widget-SectionDisplay widget-instance-AMA_References_Tab"> <div class="references"><div class="reference"><a class="reference-number" id="nsc220001r1">1.</a><div class="reference-content">GBD 2016 Neurology Collaborators. 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data-type="array"></span> <span class="hide tagmanagervalue" data-attribute="articleDOI" data-value="10.1001/jamaneurol.2022.1783" data-type="string"></span> <span class="hide tagmanagervalue" data-attribute="articleTitle" data-value="Six Action Steps to Address Global Disparities in Parkinson Disease<span class="subtitle"><span class="colon-for-citation-subtitle">: </span>A World Health Organization Priority</span>" data-type="string"></span> <span class="hide tagmanagervalue" data-attribute="type" data-value="Special Communication" data-type="string"></span> <span class="hide tagmanagervalue" data-attribute="issueVolume" data-value="79" data-type="string"></span> <span class="hide tagmanagervalue" data-attribute="issueNo" data-value="9" data-type="string"></span> <span class="hide tagmanagervalue" data-attribute="publishDate" data-value="September 1, 2022" data-type="string"></span> <span class="hide tagmanagervalue" data-attribute="topics" data-value="Global Health, Parkinson Disease, Movement Disorders, Health Disparities, Neurology" data-type="array"></span> <span class="hide tagmanagervalue" data-attribute="topicCode" data-value="5670, 5826, 5759, 5679, 5777" data-type="array"></span> <span class="hide tagmanagervalue" data-attribute="category" data-value="Review" data-type="string"></span> <span class="hide tagmanagervalue" data-attribute="journalClub" data-value="No" data-type="string"></span> <span class="hide tagmanagervalue" data-attribute="contentStatus" data-value="Free" data-type="string"></span> <span class="hide tagmanagervalue" data-attribute="articlePubState" data-value="Final" data-type="string"></span> <span class="hide tagmanagervalue" data-attribute="contentMedium" data-value="Article" data-type="string"></span> <div class="meta-article-type-wrap"> <div class="meta-article-type thm-col">Special Communication </div> </div> <div class="meta-date">July 11, 2022</div> <div class="meta-article-title-wrap"> <h1 class="meta-article-title ">Six Action Steps to Address Global Disparities in Parkinson Disease<span class="subtitle"><span class="colon-for-citation-subtitle">: </span>A World Health Organization Priority</span></h1> </div> <div class="meta-authors"> <span class="meta-authors--limited"><span class="wi-fullname brand-fg"><a href="/searchresults?author=Nicoline+Schiess&q=Nicoline+Schiess" rel=nofollow target="_blank">Nicoline Schiess, MD, MPH<sup>1</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Rodrigo+Cataldi&q=Rodrigo+Cataldi" rel=nofollow target="_blank">Rodrigo Cataldi, PhD<sup>1</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Michael+S.+Okun&q=Michael+S.+Okun" rel=nofollow target="_blank">Michael S. Okun, MD<sup>2,3</sup></a></span>; <a class="meta-authors--etal td-u stats-meta-authors--etal">et al</a></span> <span class="meta-authors--remaining"><span class="wi-fullname brand-fg"><a href="/searchresults?author=Natasha+Fothergill-Misbah&q=Natasha+Fothergill-Misbah" rel=nofollow target="_blank">Natasha Fothergill-Misbah, PhD<sup>4</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=E.+Ray+Dorsey&q=E.+Ray+Dorsey" rel=nofollow target="_blank">E. Ray Dorsey, MD<sup>5</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Bastiaan+R.+Bloem&q=Bastiaan+R.+Bloem" rel=nofollow target="_blank">Bastiaan R. Bloem, MD, PhD<sup>6</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Maria+Barretto&q=Maria+Barretto" rel=nofollow target="_blank">Maria Barretto, PhD<sup>7</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Roongroj+Bhidayasiri&q=Roongroj+Bhidayasiri" rel=nofollow target="_blank">Roongroj Bhidayasiri, MD<sup>8,9</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Richard+Brown&q=Richard+Brown" rel=nofollow target="_blank">Richard Brown, PhD<sup>10</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Lorraine+Chishimba&q=Lorraine+Chishimba" rel=nofollow target="_blank">Lorraine Chishimba, MD<sup>11</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Neerja+Chowdhary&q=Neerja+Chowdhary" rel=nofollow target="_blank">Neerja Chowdhary, MD<sup>1</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Max+Coslov&q=Max+Coslov" rel=nofollow target="_blank">Max Coslov, MPhil<sup>12</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Esther+Cubo&q=Esther+Cubo" rel=nofollow target="_blank">Esther Cubo, MD, PhD<sup>13</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Alessandro+Di+Rocco&q=Alessandro+Di+Rocco" rel=nofollow target="_blank">Alessandro Di Rocco, MD<sup>14</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Rachel+Dolhun&q=Rachel+Dolhun" rel=nofollow target="_blank">Rachel Dolhun, MD<sup>15</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Christopher+Dowrick&q=Christopher+Dowrick" rel=nofollow target="_blank">Christopher Dowrick, MSc, MD<sup>16</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Victor+S.+C.+Fung&q=Victor+S.+C.+Fung" rel=nofollow target="_blank">Victor S. 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Kühn, MD<sup>22</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Sara+Lew&q=Sara+Lew" rel=nofollow target="_blank">Sara Lew, BA<sup>23</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Shen-Yang+Lim&q=Shen-Yang+Lim" rel=nofollow target="_blank">Shen-Yang Lim, MBBS, MD<sup>24,25</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Maria+M.+Marano&q=Maria+M.+Marano" rel=nofollow target="_blank">Maria M. Marano, MSc<sup>26</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Jacquie+Micallef&q=Jacquie+Micallef" rel=nofollow target="_blank">Jacquie Micallef, BSW<sup>26</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Jolynne+Mokaya&q=Jolynne+Mokaya" rel=nofollow target="_blank">Jolynne Mokaya, DPhil<sup>27</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Emile+Moukheiber&q=Emile+Moukheiber" rel=nofollow target="_blank">Emile Moukheiber, MD<sup>28</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Lynda+Nwabuobi&q=Lynda+Nwabuobi" rel=nofollow target="_blank">Lynda Nwabuobi, MD<sup>29</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Njideka+Okubadejo&q=Njideka+Okubadejo" rel=nofollow target="_blank">Njideka Okubadejo, MBChB<sup>30</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Pramod+Kumar+Pal&q=Pramod+Kumar+Pal" rel=nofollow target="_blank">Pramod Kumar Pal, MBBS, MD, DM<sup>31</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Hiral+Shah&q=Hiral+Shah" rel=nofollow target="_blank">Hiral Shah, MD<sup>32</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Ali+Shalash&q=Ali+Shalash" rel=nofollow target="_blank">Ali Shalash, MD<sup>33</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Todd+Sherer&q=Todd+Sherer" rel=nofollow target="_blank">Todd Sherer, PhD<sup>15</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Bernadette+Siddiqui&q=Bernadette+Siddiqui" rel=nofollow target="_blank">Bernadette Siddiqui, MA<sup>15</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Ted+Thompson&q=Ted+Thompson" rel=nofollow target="_blank">Ted Thompson, JD<sup>15</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Andreas+Ullrich&q=Andreas+Ullrich" rel=nofollow target="_blank">Andreas Ullrich, MD, MPH<sup>34</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Richard+Walker&q=Richard+Walker" rel=nofollow target="_blank">Richard Walker, MD<sup>35</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Tarun+Dua&q=Tarun+Dua" rel=nofollow target="_blank">Tarun Dua, MD<sup>1</sup></a></span></span> </div> <div class="meta-author"> <a class="meta-author-title is-b stats-meta-author-toggle" data-tog-target=".meta-author-content">Author Affiliations</a> <a class="meta-articleinfo-jumplink section-jump-link scroll-to stats-scroll-to-articleinfo" data-tab-toggle=".tab-nav-full-text" href="#248588647">Article Information</a> <div class="meta-author-content"> <ul class="meta-author-affiliations"> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>1</sup>Brain Health Unit, Department of Mental Health and Substance Use, World Health Organization, Geneva, Switzerland</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>2</sup>Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>3</sup>Associate Editor, <i>JAMA Neurology</i></div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>4</sup>Department of Gerontology, University of Southampton, Southampton, United Kingdom</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>5</sup>University of Rochester, Rochester, New York</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>6</sup>Donders Institute for Brain, Cognition and Behaviour, Department of Neurology, Radboud University Medical Centre, Nijmegen, the Netherlands</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>7</sup>Parkinson’s Disease and Movement Disorder Society, Mumbai, India</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>8</sup>Chulalongkorn Centre of Excellence for Parkinson’s Disease and Related Disorders, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>9</sup>The Academy of Science, The Royal Society of Thailand, Bangkok, Thailand</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>10</sup>Chemical Safety and Health Unit, Department of Environment, Climate Change and Health, World Health Organization, Geneva, Switzerland</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>11</sup>University Teaching Hospital, Lusaka, Zambia</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>12</sup>Edmond J. Safra Foundation, Geneva, Switzerland</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>13</sup>Hospital Universitario Burgos, Burgos, Spain</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>14</sup>Zucker School of Medicine at Hofstra Northwell, Uniondale, New York</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>15</sup>The Michael J. Fox Foundation, New York, New York</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>16</sup>University of Liverpool, Liverpool, United Kingdom</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>17</sup>Movement Disorders Unit, Department of Neurology, Westmead Hospital and University of Sydney, Sydney, Australia</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>18</sup>Institute of Neuroscience, Favaloro Foundation University Hospital, Buenos Aires, Argentina</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>19</sup>Person With Parkinsons, PD Avengers, Vancouver, British Columbia, Canada</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>20</sup>Neurological Health Charities Canada, Toronto, Ontario, Canada</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>21</sup>College of Health Sciences, Department of Physiotherapy, Qatar University, Doha, Qatar</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>22</sup>Department of Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>23</sup>Malaysian Parkinson’s Disease Association, Kuala Lumpur, Malaysia</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>24</sup>Division of Neurology, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>25</sup>The Mah Pooi Soo and Tan Chin Nam Centre for Parkinson’s and Related Disorders, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>26</sup>Parkinson Canada, Toronto, Ontario, Canada</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>27</sup>University of Oxford, Oxford, United Kingdom</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>28</sup>Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>29</sup>Weill Cornell Parkinson’s Disease and Movement Disorders Institute, New York, New York</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>30</sup>College of Medicine, University of Lagos, Lagos, Nigeria</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>31</sup>National Institute of Mental Health and Neurosciences, Bengaluru, India</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>32</sup>Columbia University Medical Center, New York, New York</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>33</sup>Department of Neurology, Faculty of Medicine, Ain Shams University, Cairo, Egypt</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>34</sup>Department of Gynaecology and Gynaecological Oncology Neurology, Charité-Universitätsmedizin Berlin, Berlin, Germany</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>35</sup>Northumbria Healthcare NHS Foundation Trust, Newcastle-upon-Tyne, United Kingdom</div> </li> </ul> </div> </div> <div class="meta-citation-wrap"> <span class="meta-citation-journal-name">JAMA Neurol. </span><span class="meta-citation"> 2022;79(9):929-936. doi:10.1001/jamaneurol.2022.1783</span> </div> </div> <div class="widget-EditorsChoice widget-instance-AMA_EditorsChoice_Links"> </div> <div class="widget-LinkedContentToolbar widget-instance-AMA_LinkedContentToolbar"> <div class="linked-content-toolbar"> <div class="hidden js-search-open-multimedia-by-default" 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id="related-articles-tab" class="linked-content-tab related-article-tab"> <div class="widget-ArticleLinks widget-instance-AMA_LinkedContentToolbar_RelatedArticle"> </div> <div class="widget-ArticleLinks widget-instance-AMA_LinkedContentToolbar_RelatedEditorsChoices"> </div> </div> <div id="author-interviews-tab" class="linked-content-tab linked-author-interviews-tab"> <div class="widget-AudioPlayer widget-instance-AMA_LinkedContentToolbar_PlatformAudioPlayer_AuthorInterviews"> </div> </div> <div id="listen-to-this-article-tab" class="linked-content-tab linked-listen-to-this-article-tab"> <div class="widget-AudioPlayer widget-instance-AMA_LinkedContentToolbar_PlatformAudioPlayer_ListenToThisArticle"> </div> </div> <div id="more-multimedia-tab" class="linked-content-tab more-multimedia-tab"> </div> </div> </div> </div> <div class="widget-ArticleFulltext widget-instance-AMA_Article_FullText_Widget"> <div class="article-full-text" data-userHasAccess="True"> <a class="article-section-id-anchor" id="248588594"></a> <div class="h3 cb section-type-abstract decorated-hed "> <div class="heading-text thm-col sb-sc"> Abstract </div> </div> <p><strong>Importance</strong> <span>The Global Burden of Disease study conducted between 1990 and 2016, based on a global study of 195 countries and territories, identified Parkinson disease (PD) as the fastest growing neurological disorder when measured using death and disability. Most people affected by PD live in low- and middle-income countries (LMICs) and experience large inequalities in access to neurological care and essential medicines. This Special Communication describes 6 actions steps that are urgently needed to address global disparities in PD.</span></p><p><strong>Observations</strong> <span>The adoption by the 73rd World Health Assembly (WHA) of resolution 73.10 to develop an intersectoral global action plan on epilepsy and other neurological disorders in consultation with member states was the stimulus to coordinate efforts and leverage momentum to advance the agenda of neurological conditions, such as PD. In April 2021, the Brain Health Unit at the World Health Organization convened a multidisciplinary, sex-balanced, international consultation workshop, which identified 6 workable avenues for action within the domains of disease burden; advocacy and awareness; prevention and risk reduction; diagnosis, treatment, and care; caregiver support; and research.</span></p><p><strong>Conclusions and Relevance</strong> <span>The dramatic increase of PD cases in many world regions and the potential costs of PD-associated treatment will need to be addressed to prevent possible health service strain. Across the board, governments, multilateral agencies, donors, public health organizations, and health care professionals constitute potential stakeholders who are urged to make this a priority.</span></p> <div class="movable-ad-target bta"> </div> <a class="article-section-id-anchor" id="248588599"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Introduction </div> </div> <a class="article-section-id-anchor" id="248588600"></a> <p class="para">The Global Burden of Disease study identified Parkinson disease (PD) as the fastest growing neurological disorder between 1990 and 2016 in terms of death and disability. This calculation was based on a global study with estimates of prevalence, deaths, and disability-adjusted life-years (DALYs) in 195 countries and territories.<sup><a href="#nsc220001r1" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">1</a></sup> Current estimates suggest that in 2019, PD resulted in 5.8 million DALYs, increasing by 81% since 2000. Moreover, it is estimated that PD caused 329 000 deaths in 2019, an increase of more than 100% since 2000 (<a href="#nsc220001f1" class="figure-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Figure 1</a>).<sup><a href="#nsc220001r2" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">2</a></sup></p> <a class="article-section-id-anchor" id="248588602"></a> <p class="para">The rise in cases is thought to be multifactorial and is likely affected by factors such as aging populations, improved research methods, advanced technologies, better education, and an increased awareness of the disease.<sup><a href="#nsc220001r3" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">3</a></sup> Higher prevalence rates could also be a result of increasing life expectancy.<sup><a href="#nsc220001r3" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">3</a></sup> A link tying PD to specific environmental exposures is supported by expanding evidence.<sup><a href="#nsc220001r4" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">4</a></sup> The available evidence may possibly explain the unusual finding that in PD, DALY rates increase with Sociodemographic Index rather than decrease, as with most other health conditions. This principle has been demonstrated in China, for example, which has undergone large-scale industrial growth and observed a doubling of age-adjusted prevalence rates since 1990.<sup><a href="#nsc220001r3" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">3</a></sup></p> <a class="article-section-id-anchor" id="248588603"></a> <p class="para">PD is a disorder with a wide range of motor and nonmotor manifestations that result in, among others, mental health disorders, impaired mobility, sleep disturbance, mood and cognition issues, autonomic dysfunction, and a markedly decreased quality of life. Irrespective of geographical location, people with PD and their caregivers face tremendous difficulties and suffering. Given the large inequalities in access to neurological care across different parts of the world, vulnerable populations frequently bear a higher disease burden and stigma.</p> <a class="article-section-id-anchor" id="248588604"></a> <p class="para">A European study estimated that PD associated costs reached €13.9 billion (US $14.9 billion) in 2010.<sup><a href="#nsc220001r5" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">5</a></sup> In the US, recent estimations of the total cost of PD (including direct and indirect medical costs and nonmedical costs) was $51.9 billion in 2017.<sup><a href="#nsc220001r6" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">6</a></sup> Rigorous economic studies for PD in LMICs are lacking. A systematic review in 2016 failed to identify a single study in an LMIC within the prior decade.<sup><a href="#nsc220001r7" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">7</a></sup></p> <a class="article-section-id-anchor" id="248588605"></a> <p class="para">According to World Health Organization (WHO) Atlas for Neurological Disorders,<sup><a href="#nsc220001r8" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">8</a></sup> the available resources for neurological disorders, including PD, within most countries are grossly insufficient, with large inequalities existing across regions, income levels, and countries. This has been reinforced by a recent study demonstrating the consistent scarcity and unaffordability of PD therapies and resources in most African countries.<sup><a href="#nsc220001r9" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">9</a></sup> Likewise, in low-income countries, the total neurological workforce is 0.1 per 100 000 population compared with a global median of 3 per 100 000 population.<sup><a href="#nsc220001r8" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">8</a></sup> A strong recognition of the growing effect, high numbers, and contrasting lack of resources and treatment for people with PD needs to be addressed, particularly in LMICs. As the world’s population ages and the number of people with PD continues to grow, there is a pressing need for a concerted and robust public health response. Across the board, governments, multilateral agencies, donors, public health organizations, and health care professionals constitute potential stakeholders who are urged to make this a priority.</p> <a class="article-section-id-anchor" id="248588606"></a> <p class="para">In April 2021, a multidisciplinary, sex-balanced, international WHO consultation workshop identified 6 workable avenues for action with emerging themes and a focus on LMICs and resource-limited settings. An overview of the discussion topics and multiple strategies that emerged from these discussions included the domains of disease burden; advocacy and awareness; prevention and risk reduction; diagnosis, treatment, and care; caregiver support; and research (<a href="#nsc220001t1" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table</a>).</p> <a class="article-section-id-anchor" id="248588608"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Disease Burden </div> </div> <a class="article-section-id-anchor" id="248588609"></a> <p class="para">PD affects all racial and ethnic groups and sexes, with both incidence and prevalence rising with age.<sup><a href="#nsc220001r10" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">10</a></sup> Prevalence varies among regions and populations, with limited data in LMICs and even less on other parkinsonian disorders. For instance, in sub-Saharan Africa, a lack of reported PD case studies has led to the belief that PD is less common in Africa than the rest of the world.<sup><a href="#nsc220001r11" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">11</a></sup> However, current evidence suggests that, in reality, people with PD in Africa and other resource-limited areas often have poor access to health care and are thus often unidentified.<sup><a href="#nsc220001r11" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">11</a></sup></p> <a class="article-section-id-anchor" id="248588610"></a> <p class="para">Data based on race and ethnicity are inconsistent, although a family history can be found more frequently in certain populations.<sup><a href="#nsc220001r12" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">12</a></sup> Globally, PD characteristics may be different as well. For instance, in the Western Pacific region, it has been reported that differences in characteristics of nonmotor PD symptoms and lower rates of dyskinesias were present compared with Europe and with North America.<sup><a href="#nsc220001r13" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">13</a></sup> With 1.8 billion people in the Western Pacific region, more studies will be needed to further elucidate the racial and ethnic differences within this and other large populations. Across the globe, better-standardized epidemiological data will be needed to determine the actual prevalence and incidence of PD.</p> <a class="article-section-id-anchor" id="248588611"></a> <p class="para">Lack of appropriate management because of the inaccessibility of drugs and specialized care also contributes to increased disease burden. Access to a neurologist is associated with lower risks of sustaining hip fractures, being admitted to a long-term care facility, or dying. These findings emphasize the importance of adequate care.<sup><a href="#nsc220001r14" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">14</a></sup></p> <a class="article-section-id-anchor" id="248588612"></a> <p class="para">Government expenditure on health is inadequate in all resource-limited countries, with patients relying heavily on out-of-pocket expenses even for basic health care.<sup><a href="#nsc220001r9" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">9</a></sup> Governmental insurance does not cover most PD therapies across many countries. For example, insurance coverage of levodopa was only partial in 44% and not covered in 16% of 28 African countries responding to surveys.<sup><a href="#nsc220001r9" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">9</a></sup> The reality in many cases is that people with PD in these countries are forced to prioritize their more basic needs over PD care.</p> <a class="article-section-id-anchor" id="248588613"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Advocacy and Awareness </div> </div> <a class="article-section-id-anchor" id="248588614"></a> <p class="para">Increased awareness of PD and improved clinical diagnostic skills are possible contributing factors to the rise in PD incidence and prevalence.<sup><a href="#nsc220001r15" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">15</a></sup> Advocacy and awareness are particularly important, as factors such as young age at onset of PD and sex and race differences can factor into a potential for disparate care and delays in diagnosis.<sup><a href="#nsc220001r16" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">16</a></sup> Diagnostic delays are particularly common in people with young-onset PD because of the incorrect perception that this disorder only affects older individuals. There are slow improvements in LMICs owing to improved training of the health care workforce, screening questionnaires,<sup><a href="#nsc220001r17" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">17</a></sup> and the additional effect of patient-driven and family-driven advocacy groups. A growing number of outreach and educational programs targeted at neurologists, nonneurologist physicians, and allied health practitioners (including nurse specialists and physiotherapists) in Africa have been implemented and supported by professional organizations.<sup><a href="#nsc220001r18" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">18</a></sup> Integrated media has also proved to be an excellent method of combatting the associated stigma and discrimination of PD. An example of a low-cost, effective public educational campaign strategy that could be used in other LMICs was conducted in Thailand. Videos of people with PD in everyday situations (such as gait freezing in the middle of the road) were dispersed through social media and on digital billboards in front of department stores. This effort was aimed at spreading awareness of PD. The campaign was viewed almost 1 million times and was an effective way to create community awareness about PD.<sup><a href="#nsc220001r19" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">19</a></sup></p> <a class="article-section-id-anchor" id="248588615"></a> <p class="para">There are few existing policy priorities specifically addressing PD globally. However, policies relating to disability, workplace rights, and governance of financing and insurance of health care have crosscutting themes that are relevant to PD. Mandated by the 73th World Health Assembly 2020, the Brain Health Unit at WHO has prepared an intersectoral global action plan on epilepsy and other neurological disorders to address the challenges and gaps that exist worldwide in providing care and services for people with neurological disorders and to ensure a comprehensive, coordinated response across sectors.<sup><a href="#nsc220001r20" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">20</a></sup> Given that PD often affects individuals in their working years, with many motor symptoms limiting mobility, disability rights prohibiting discrimination based on disability in areas such as employment and transportation are particularly relevant. Public education, policy and legislation change, and the awareness of existing workplace antidiscrimination policies available in different languages will be crucial to improving the lives of people living with PD.</p> <a class="article-section-id-anchor" id="248588616"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Prevention and Risk Reduction </div> </div> <a class="article-section-id-anchor" id="248588617"></a> <p class="para">Many factors have been examined as risk factors for PD, and causal inferences can be challenging. A substantial need remains to specifically identify clear risks for PD, particularly the modifiable ones. An increased risk has been reported among those with exposure to pesticides.<sup><a href="#nsc220001r21" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">21</a></sup><sup>-<a href="#nsc220001r21" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">24</a></sup> Amphetamine or methamphetamine, lack of physical activity, heavy metals, air pollution, traumatic brain injury, and industrial solvents, such as trichloroethylene (TCE), have also been implicated but all will require more study.<sup><a href="#nsc220001r24" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">24</a></sup><sup>,<a href="#nsc220001r25" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">25</a></sup></p> <a class="article-section-id-anchor" id="248588618"></a> <p class="para">Evidence linking the exposure to pesticides with the risk of developing PD is substantial and supported by multiple meta-analyses.<sup><a href="#nsc220001r21" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">21</a></sup><sup>,<a href="#nsc220001r22" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">22</a></sup> Some of the most commonly used pesticides, such as paraquat and chlorpyrifos, have been associated with an increased risk of PD and are banned in many countries (although not in the US).<sup><a href="#nsc220001r26" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">26</a></sup> Applying protective measures might decrease this risk; however, it is often the case that measures to protect users, such as personal protective equipment, are not readily available or are ineffective in LMICs (for example, personal protective equipment may be too expensive or may be impractical to wear in hot climates).<sup><a href="#nsc220001r27" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">27</a></sup></p> <a class="article-section-id-anchor" id="248588619"></a> <p class="para">Importantly, the risk of developing PD as a result of exposure to pesticides or other toxic chemicals in our environment is not restricted to those with occupational exposure but is also increased for individuals living in the immediate vicinity of farmlands and rural communities. Alarmingly, pesticides and herbicides are increasingly being deployed in LMICs.<sup><a href="#nsc220001r28" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">28</a></sup> For hazardous pesticides that pose high risks that cannot effectively be prevented, often the case in LMICs, the most effective option to mitigate the risks will be to end the use of the pesticide through regulatory action. It is generally the case that less hazardous alternatives for effective pest management will be available.<sup><a href="#nsc220001r29" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">29</a></sup></p> <a class="article-section-id-anchor" id="248588620"></a> <p class="para">It is particularly concerning in the context of preventing PD that current procedures deployed to screen for toxic effects of pesticides before release to market do not specifically focus on potential toxic effects for dopaminergic neurons in the substantia nigra, from which arise the main symptoms of PD. Another issue of concern is that pesticides are typically screened for toxic effects in isolation, whereas the reality is that citizens are exposed to potentially interacting cocktails of different pesticides, sometimes simultaneously or through different time periods, which could have synergistic effects.<sup><a href="#nsc220001r30" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">30</a></sup> This means that combined risk assessments should be undertaken whenever possible; internationally applied procedures to test for potential neurotoxic effects of any existing pesticide should be updated, and any potentially hazardous combination of pesticides should be replaced by safer alternatives.</p> <a class="article-section-id-anchor" id="248588621"></a> <p class="para">The industrial solvent TCE has also been linked to PD,<sup><a href="#nsc220001r31" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">31</a></sup> although to our knowledge, no large meta-analyses have been performed.<sup><a href="#nsc220001r32" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">32</a></sup> Exposure to TCE could be widespread because TCE is found in many common household products, such as paint removers, glue, stain removers, carpet cleaner, and as a spot-cleaning agent in dry cleaning.<sup><a href="#nsc220001r4" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">4</a></sup></p> <a class="article-section-id-anchor" id="248588622"></a> <p class="para">Protective factors for PD showing potential as possible secondary prevention tools include caffeine, physical activity, and possibly uric acid. Caffeine not only decreases the risk of developing PD but may potentially also slow progression once the disease has started.<sup><a href="#nsc220001r33" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">33</a></sup> Uric acid also holds possible potential for uses in secondary prevention, as high uric acid levels may be linked to a delay of PD progression.<sup><a href="#nsc220001r34" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">34</a></sup> However, a recent phase 3 clinical trial that tested the disease-modifying potential of inosine, which aims to elevate uric acid levels, showed no effect on disease progression in patients with PD.<sup><a href="#nsc220001r35" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">35</a></sup> Studies are also ongoing to attempt to elucidate the as yet undetermined mechanism of the low risk of PD among people who use tobacco and/or nicotine products.<sup><a href="#nsc220001r36" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">36</a></sup> However, given the many risks and detrimental effects of smoking and tobacco use,<sup><a href="#nsc220001r37" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">37</a></sup> the public health guidance and evidence not to smoke is clear.<sup><a href="#nsc220001r36" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">36</a></sup> Converging evidence from epidemiological studies, work in rodents with experimental parkinsonism, and clinical trials in individuals with manifest PD suggest that physical activity may slow down the process of neurodegeneration in PD and perhaps even in the prodromal phase. Enhancing the volume of physical activity appears to be a particularly attractive way to possibly prevent PD, particularly for LMICs, where an exercise intervention could be readily deployed at a low cost.</p> <a class="article-section-id-anchor" id="248588623"></a> <p class="para">Although proof of causality is incomplete because of the paucity of trials in humans and the etiologic studies alluded to are observational, many provide consistent enough evidence to warrant investigation into the potential for secondary prevention strategies and are considered sufficiently strong by some workshop participants to promote physical activity and, arguably, moderate doses of caffeine for primary and secondary prevention of PD.<sup><a href="#nsc220001r24" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">24</a></sup></p> <a class="article-section-id-anchor" id="248588624"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Diagnosis, Treatment, and Care </div> </div> <a class="article-section-id-anchor" id="248588625"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Strengthening Health and Social Systems and Building Capacity </div> </div> <a class="article-section-id-anchor" id="248588626"></a> <p class="para">The diagnosis of PD is principally made by clinical evaluation, making it potentially suitable to be targeted for widespread improvement at the primary care level. Appropriately trained nonphysician health care workers could potentially diagnose PD in rural clinics. This approach has already made headway, with PD specialist courses for health care professionals in countries such as Tanzania, Ghana, South Africa, and Ethiopia and also online in 2021.<sup><a href="#nsc220001r18" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">18</a></sup></p> <a class="article-section-id-anchor" id="248588627"></a> <p class="para">Screening questionnaires can also be helpful in nonspecialized settings and have been validated for PD in different languages in Cameroon, Egypt, and Nigeria.<sup><a href="#nsc220001r17" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">17</a></sup> In cases where the diagnosis is not straightforward, protocols are needed whereby more complex cases could be referred for specialist opinion, possibly using telemedicine. Thus, education and training of primary health care professionals, promoting and increasing the neurological workforce, and optimizing the use of digital technology, such as telemedicine, to provide specialist support to remote areas will be key components in improving diagnosis and in providing sustainable care. Clinical telemedicine capabilities have already expanded dramatically as a result of the COVID-19 pandemic.<sup><a href="#nsc220001r38" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">38</a></sup> Continued promotion and expansion of telemedicine into high-quality educational courses for neurologists and nonspecialists has proven feasible in sub-Saharan Africa<sup><a href="#nsc220001r39" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">39</a></sup> and should be considered a priority.</p> <a class="article-section-id-anchor" id="248588628"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Ensuring the Availability of Essential Drugs, Diagnostics, and Interdisciplinary Therapies </div> </div> <a class="article-section-id-anchor" id="248588629"></a> <p class="para">A large treatment gap exists for many neurological disorders, including PD. A major contribution to the wide gap is reduced access to effective medications and, when available, associated high cost. According to the WHO Atlas for Neurological Disorders, only 37 of 110 countries had levodopa/carbidopa consistently available in primary care settings (<a href="#nsc220001f2" class="figure-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Figure 2</a>).<sup><a href="#nsc220001r8" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">8</a></sup> A continent-wide survey of 28 African countries further documented the unavailability and high cost of PD therapies in most of surveyed countries.<sup><a href="#nsc220001r9" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">9</a></sup> Although limited by a lack of standardized manufacturing, <i>Mucuna pruriens</i><sup><a href="#nsc220001r40" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">40</a></sup> (velvet beans) and the <i>Vicia faba</i> (broad bean) contain measurable and clinically active levodopa levels and have been shown to have dopaminergic effects in patients with PD, thus having the potential to serve as a substitute for levodopa in resource-limited countries. Similar to surgery for epilepsy in LMICs, the availability of neurosurgical treatments such as deep brain stimulation and ablative surgery is limited not only because of the small or nonexistent numbers of neurosurgeons practicing<sup><a href="#nsc220001r8" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">8</a></sup> but also because of associated high device costs and the paucity of imaging modalities, such as magnetic resonance imaging.</p> <a class="article-section-id-anchor" id="248588631"></a> <p class="para">As with many degenerative neurological disorders, nonpharmacological management might offer affordable symptomatic relief of motor, nonmotor, and mental health symptoms in PD. Rehabilitation, aerobic and resistance exercise, physiotherapy, and exercises such as tai chi and yoga are gaining increasing attention and have the advantages of being enjoyable for individuals, economically feasible, and culturally integrated within communities.<sup><a href="#nsc220001r41" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">41</a></sup> Counseling on sleep, diet, and mind-body approaches, such as meditation, should be explored as well as engagement in community or research, where available. However, very few patients are referred to therapists who have the skills for these types of multidisciplinary interventions.<sup><a href="#nsc220001r42" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">42</a></sup> Despite this, even the most rudimentary educational information about PD—for example, resources describing the benefits of nonpharmacological management—are unavailable to people with PD, their families, and even physicians globally, particularly in local languages.</p> <a class="article-section-id-anchor" id="248588632"></a> <p class="para">The impact and harm of loneliness and social isolation, already an issue in patients with PD, have become increasingly important and relevant during the COVID-19 pandemic.<sup><a href="#nsc220001r43" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">43</a></sup> Interruption of routine treatment and health care support has further contributed to these social challenges.<sup><a href="#nsc220001r44" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">44</a></sup> Considering the lack of all levels of care in low-resource settings, the goal remains to develop culturally and socioeconomically acceptable models of care that are interdisciplinary, replicable, affordable, and accessible and to integrate a continuum of services, including neurorehabilitation and palliative care, at the earliest stages of diagnosis through the implementation of universal health coverage.</p> <a class="article-section-id-anchor" id="248588633"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Caregiver Support </div> </div> <a class="article-section-id-anchor" id="248588634"></a> <p class="para">PD has specific factors that contribute to increased caregiver burden, including the progressive nature of the disease and timing of onset. As the disease advances, the development of cognitive impairment, psychiatric manifestations, and sleep disruption contribute to an even higher rate of caregiver burden. Caregivers can experience limitations in social interactions, frustrations with medication administration, and limitation in their capabilities to provide care as the disease progresses, which may ultimately catalyze the difficult decision to consider an alternative living facility.</p> <a class="article-section-id-anchor" id="248588635"></a> <p class="para">As care partners age, their own health issues can also develop.<sup><a href="#nsc220001r45" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">45</a></sup> This can profoundly affect care in situations of only 1 caregiver as well as affect already changing family support, structure, and dynamics from urbanization and population shifts.<sup><a href="#nsc220001r46" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">46</a></sup> Given that effective caregiving has associated health benefits for both the caregiver and the person with PD and can lead to delays in institutionalization, caregiver support must include and address the needs of the invisible patient—the caregiver.<sup><a href="#nsc220001r45" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">45</a></sup></p> <a class="article-section-id-anchor" id="248588636"></a> <p class="para">Factors that improve caregiver burden in the early stages of the disease include provision of a timely diagnosis; effective communication and education about caregiver roles, medications, and adverse effects; and rehabilitation and palliative care strategies, including governmental entitlements and discussions of decision-making capacity.<sup><a href="#nsc220001r47" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">47</a></sup> Social workers, patient support groups, and community-based support provide effective resources. Finally, in addition to caregiver burden, it is important to recognize and to treat demoralization in the patient and, potentially, in the caregiver, which may be present even if depression and mood disorders are absent.<sup><a href="#nsc220001r48" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">48</a></sup> Other conditions, such as dementia, can offer wide resources for caregivers, such as WHO’s iSupport program.<sup><a href="#nsc220001r49" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">49</a></sup></p> <a class="article-section-id-anchor" id="248588637"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Research </div> </div> <a class="article-section-id-anchor" id="248588638"></a> <p class="para">Because of increased funding and a greater number of initiatives in the past 2 decades, the amount of basic, translational, and clinical research in the field of PD has grown. These types of research studies can be paired with global population health and epidemiological data to better inform the public health perspective. Epidemiological data are critical to identifying population variations and needs, designing targeted policy changes and interventions, and allocating research and health care resources. This, in turn, would inform health care professional training and allow for systematic improvements in care and treatment gaps, including the availability of medications. Moreover, promoting research in LMICs is crucial to investigate cultural and population differences of variable risk factors, genetics, and phenomenology of PD.</p> <a class="article-section-id-anchor" id="248588639"></a> <p class="para">Ensuring that countries have appropriate funding to conduct and implement research as well as building research capacity where needed will be a critical next step to achieving progress. In addition to the incredible examples set by HIV, tuberculosis, and malaria funding,<sup><a href="#nsc220001r50" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">50</a></sup> successful neurological examples include epilepsy research initiatives in sub-Saharan Africa, such as the National Institute for Health and Care Research’s Research and Innovation for Global Health Transformation (RIGHT) program<sup><a href="#nsc220001r51" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">51</a></sup> and the Davos Alzheimer Collaborative.<sup><a href="#nsc220001r52" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">52</a></sup> Both provide approaches that have been successful at increasing LMIC investment in epilepsy and dementia. Productive research involves improving infrastructure in LMICs, ensuring appropriate ethical procedures, and growing global collaborations among investigators and research consortia. Moreover, the inclusion of civil society organizations, people with PD, and their support networks is vital to increasing the success and impact of research and to ensure that locally relevant issues are addressed.</p> <a class="article-section-id-anchor" id="248588640"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Global and Regional Health Policies to Implement the PD Strategies </div> </div> <a class="article-section-id-anchor" id="248588641"></a> <p class="para">The adoption of the intersectoral global action plan on epilepsy and other neurological disorders<sup><a href="#nsc220001r20" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">20</a></sup> will be paramount to coordinating efforts and leveraging momentum to advance the agenda of neurological conditions, such as PD, in all settings. With global targets being set by the action plan and proposed actions translated by governments into national plans, it is hoped that countries’ actions will improve access to care and treatment, recovery, well-being, and participation of people living with neurological disorders, while reducing mortality, morbidity, and disability associated with neurological conditions. Emphasis is also given to preventing neurological disorders and promoting brain health and development across the life course and addressing stigma and discrimination through multidisciplinary and multisectoral approaches.</p> <a class="article-section-id-anchor" id="248588642"></a> <p class="para">The overarching global action plan will also aid in addressing the challenges, strategies, and priorities that differ by geographic region, country, and socioeconomic status. For example, most data published are based on populations within high-income countries in Europe and North America. Many other regions, such as the Middle East, North Africa, and South Asia, have different cultural and socioeconomic situations, such as large families, high rates of consanguinity, and strong community support.<sup><a href="#nsc220001r53" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">53</a></sup> Identified needs within these countries include those outlined in the <a href="#nsc220001t1" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table</a> as well as an increased neurological workforce (specifically movement disorder specialists), availability of medication, and advanced therapies.<sup><a href="#nsc220001r53" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">53</a></sup></p> <a class="article-section-id-anchor" id="248588643"></a> <p class="para">The Western Pacific region, which includes China, is projected to grow to more than half of the world’s PD population by 2030.<sup><a href="#nsc220001r3" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">3</a></sup> Differences between the Western Pacific region and Europe and Americas include variations in genetic variants, distinctive Asian parkinsonism variants, and lower rates of dyskinesias.<sup><a href="#nsc220001r13" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">13</a></sup> The challenges and priorities in this region mirror those in other regions (<a href="#nsc220001t1" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table</a>) and include increased research, neurological workforce, and awareness.<sup><a href="#nsc220001r13" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">13</a></sup></p> <a class="article-section-id-anchor" id="248588644"></a> <p class="para">Disparities also exist in high-income countries with gaps existing in diagnosis, treatment, and deep brain stimulation interventions—particularly among women and underrepresented populations.<sup><a href="#nsc220001r16" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">16</a></sup><sup>,<a href="#nsc220001r54" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">54</a></sup> In terms of research, diversity in clinical research beyond White populations has been low. Solutions to addressing some of these gaps could follow funding strategies such as those offered by the Michael J. Fox Foundation.<sup><a href="#nsc220001r55" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">55</a></sup></p> <a class="article-section-id-anchor" id="248588645"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Conclusions </div> </div> <a class="article-section-id-anchor" id="248588646"></a> <p class="para">PD presents a formidable public health challenge. There is a pressing need for a global public health response to address health and social requirements for people with PD. There is also a need for effective preventive actions to slow or arrest the rising incidence before the costs of treatment overwhelm country health services. The lack of prevention, awareness, services, therapies, treatments, and care for PD has created barriers to building an integrated system of interdisciplinary care, particularly in low-resource settings. PD must be emphasized on public health agendas and key actions must be taken and coordinated to generate strategies, programs, policies, and services that can be effective for people with PD, their families, and their caregivers. This coordination will require a global effort, involving the sharing of knowledge, advancing best practices, increasing advocacy efforts, and expanding resources. Here, we have highlighted 6 workable avenues for action in the domains of disease burden; advocacy and awareness; prevention and risk reduction; diagnosis, treatment, and care; caregiver support; and research. It is now more important than ever to work collaboratively, before the burden of PD overwhelms our ability to effectively respond to these critical needs.</p> <a class="article-section-id-anchor" id="248588647"></a> <div class="h3 cb section-type-acknowledgements has-back-to-top"> <a href="#top" class="section-jump-link back-to-top" data-tab-toggle=".tab-nav-full-text">Back to top</a> <div class="heading-text thm-col sb-sc"> Article Information </div> </div> <p class="para"><strong>Accepted for Publication:</strong> April 12, 2022.</p><p class="parapublished-online"><strong>Published Online:</strong> July 11, 2022. doi:10.1001/jamaneurol.2022.1783</p><p class="authorInfoSection"><strong>Corresponding Author:</strong> Nicoline Schiess, MD, MPH, Brain Health Unit, Department of Mental Health and Substance Use, World Health Organization, Avenue Appia 20, Geneva 1202, Switzerland (<a href="mailto:schiessn@who.int" target="_blank">schiessn@who.int</a>).</p><p class="parafinancial-disclosure"><strong>Conflict of Interest Disclosures:</strong> Dr Schiess has received grants from Edmond J. Safra Foundation paid to her institution during the conduct of the study. Dr Okun serves as a consultant for the Parkinson’s Foundation; has received research grants from the National Institutes of Health (NR014852, R01NS096008, U01NS119562, UH3 NS18-023, R21NS072897, R25NS108939), the Parkinson’s Foundation, the Michael J. Fox Foundation, the Smallwood Foundation, the Tourette Syndrome Association of America, and the UF Foundation; has received royalties for book publications with Demos, Manson, Amazon, Smashwords, Books4Patients, Perseus, Robert Rose, Oxford, and Cambridge; is an Associate Editor for <i>New England Journal of Medicine Journal Watch Neurology</i>; and has participated in CME and educational activities on movement disorders sponsored by the Academy for Healthcare Learning, PeerView, Prime, WebMD/Medscape, Medicus, MedNet, American Academy of Neurology, Movement Disorders Society, and Vanderbilt University. Dr Dorsey has received personal fees from the American Academy of Neurology, American Neurological Association, Excellus BlueCross BlueShield, International Parkinson’s and Movement Disorders Society, National Multiple Sclerosis Society, Northwestern University, Physicians Education Resource, PRIME Education, Stanford University, Texas Neurological Society, and Weill Cornell Honoraria; consulting fees from Abbott, AbbVie, Acadia, Acorda, Bial-Biotech Investments, Biogen, Boehringer Ingelheim, California Pacific Medical Center, Caraway Therapeutics, Curasen Therapeutics, Denali Therapeutics, Eli Lilly, Genentech/Roche, Grand Rounds, Huntington Study Group, Informa Pharma Consulting, Karger Publications, LifeSciences Consultants, MCM Education, Mediflix, Medopad, Medrhythms, Merck, Michael J. Fox Foundation, North American Center for Continuing Medical Education, Neurocrine, NeuroDerm, National Institutes of Health, Novartis, Origent Data Sciences, Otsuka, Physician’s Education Resource, Praxis, PRIME Education, Roche, Brown, McCarthy & Gruber, Sanofi, Seminal Healthcare, Spark, Springer Healthcare, Sunovion Pharma, Theravance, Voyager, and WebMD; grants from Biogen, Biosensics, Burroughs Wellcome Fund, CuraSen, Greater Rochester Health Foundation, Huntington Study Group, Michael J. Fox Foundation, National Institutes of Health, Patient-Centered Outcomes Research Institute, Pfizer, PhotoPharmics, Safra Foundation, and Wave Life Sciences; has performed editorial services for Karger Publications; owns stock in Included Health and Mediflix; and has ownership interests in SemCap outside the submitted work. Dr Bloem has received grants and personal fees from UCB and Zambon paid to his institution; personal fees from Critical Path Institute, AbbVie, Biogen, Roche, GE Healthcare, Novartis, and Bial paid to his institution during the conduct of the study; grants from the Netherlands Organisation for Scientific Research, Michael J. Fox Foundation, Stichting Woelse Waard, Alkemade Keuls, Maag Lever Darm Stichting, ParkinsonNL, Davis Phinney Foundation, Parkinson’s Foundation, Verily, Horizon 2020, Nothing Impossible, and Parkinson Vereniging outside the submitted work. Dr Bhidayasiri has received grants from Thailand Science Research and Innovation, Thailand Research Fund, and Chulalongkorn University; personal fees from Royal Society of Thailand, Abbott Pharmaceuticals, Lundbeck Pharmaceuticals, Teva Pharmaceuticals, Eisai Pharmaceuticals, and Otsuka Pharmaceuticals outside the submitted work; and has patents for laser-guided walking stick issued to Chulalongkorn University, for laser-guided walking stick issued, for nocturnal monitoring device issued, for tremor analysis device issued, and for a Parkinson cup pending. Dr Chishimba has received personal fees from Northwestern Medicine outside the submitted work. Dr Chowdhary has received grants from Edmond J. Safra Foundation during the conduct of the study. Dr Fung has received grants from AbbVie and nonfinancial support from Merz outside the submitted work. Dr Gifford has received personal fees from Michael J. Fox Foundation, Parkinson Canada, and University of Rochester outside the submitted work; and is president and cofounder of PD Avengers. Dr Kühn has received personal fees from Medtronic, Boston Scientific, Teva, and Abbott outside the submitted work. Dr Lim has reeived personal fees from Medtronic outside the submitted work. Dr Okubadejo has received grants from Michael J. Fox Foundation outside the submitted work. Dr Dua has received grants from Edmond J. Safra Foundation during the conduct of the study. No other disclosures were reported.</p><p class="para"><strong>Disclaimer:</strong> The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the World Health Organization. Dr Okun is Associate Editor of <i>JAMA Neurology</i>, but he was not involved in any of the decisions regarding review of the manuscript or its acceptance.</p><p class="para"><strong>Additional Contributions:</strong> We gratefully acknowledge the contributions of the Edmond J. Safra Foundation for their financial support of the WHO consultation workshop, “Addressing the Public Health Importance of Parkinson Disease.”</p> <a class="article-section-id-anchor" id="248588648"></a> <div class="h3 cb section-type-references "> <div class="heading-text thm-col sb-sc"> References </div> </div> <div class="references"><div class="reference"><a class="reference-number" id="nsc220001r1">1.</a><div class="reference-content">GBD 2016 Neurology Collaborators. 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