Analysis of Proposed Medicare Part B to Part D Shift With Associated Changes in Total Spending and Patient Cost-Sharing for Prescription Drugs | Pharmacoeconomics | JAMA Internal Medicine

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Hwang" /><meta name="citation_author_institution" content="Program on Regulation, Therapeutics, and Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts" /><meta name="citation_author" content="Nina Jain" /><meta name="citation_author_institution" content="Program on Regulation, Therapeutics, and Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts" /><meta name="citation_author" content="Julie C. Lauffenburger" /><meta name="citation_author_institution" content="Program on Regulation, Therapeutics, and Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts" /><meta name="citation_author" content="Kerstin N. Vokinger" /><meta name="citation_author_institution" content="Program on Regulation, Therapeutics, and Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts" /><meta name="citation_author_institution" content="Faculty of Medicine, University of Zürich and University Hospital Zürich, Zürich, Switzerland" /><meta name="citation_author" content="Aaron S. Kesselheim" /><meta name="citation_author_institution" content="Program on Regulation, Therapeutics, and Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts" /><meta name="citation_title" content="Analysis of Proposed Medicare Part B to Part D Shift With Associated Changes in Total Spending and Patient Cost-Sharing for Prescription Drugs" /><meta name="citation_firstpage" content="374" /><meta name="citation_lastpage" content="380" /><meta name="citation_doi" content="10.1001/jamainternmed.2018.6417" /><meta name="citation_keyword" content="cost sharing" /><meta name="citation_keyword" content="medicare" /><meta name="citation_keyword" content="medicare part b" /><meta name="citation_keyword" content="prescription drug" /><meta name="citation_keyword" content="pharmaceutical expenditures" /><meta name="citation_keyword" content="drug pricing" /><meta name="citation_keyword" content="government subsidies" /><meta name="citation_keyword" content="insurance" /><meta name="citation_keyword" content="medicaid" /><meta name="citation_keyword" content="low income" /><meta name="citation_keyword" content="out-of-pocket costs" /><meta name="citation_keyword" content="social welfare" /><meta name="citation_keyword" content="fee for service payment plan" /><meta name="citation_keyword" content="immunosuppressive agents" /><meta name="citation_keyword" content="antipsychotic agents" /><meta name="citation_keyword" content="prescriptions, drug" /><meta name="citation_keyword" content="anti-retroviral agents" /><meta name="citation_keyword" content="anticonvulsants" /><meta name="citation_keyword" content="antidepressive agents" /><meta name="citation_keyword" content="antineoplastic agents" /><meta name="citation_abstract" content="<h3>Importance</h3><p>The US Department of Health and Human Services (HHS) has proposed to reform drug pricing in Medicare Part B, which primarily covers physician-administered drugs and biologic agents. One HHS proposal would shift coverage of certain drugs from Medicare Part B to Part D, which is administered by private prescription drug plans.</p><h3>Objective</h3><p>To estimate the association of changes of a shift in Medicare Part B to Part D with total drug spending and patient cost-sharing.</p><h3>Design, Setting, and Participants</h3><p>Retrospective drug cohort study of the 75 brand-name drugs associated with the highest Part B expenditures among fee-for-service Medicare beneficiaries in 2016.</p><h3>Main Outcomes and Measures</h3><p>Estimated total Medicare spending in Part B and Part D; annual out-of-pocket costs in Part B and under the standard 2018 Part D benefit; and proportion of drugs in Part D’s protected drug classes (immunosuppressants for prophylaxis of organ transplant rejection, antidepressants, antipsychotics, anticonvulsants, antiretrovirals, and antineoplastics).</p><h3>Results</h3><p>At 2018 prices, total Medicare Part B spending for the 75 brand-name drugs with the highest Part B expenditures was estimated to be $21.6 billion annually. Under the proposed policy, total Part D drug spending for these drugs was estimated to range between $17.6 billion and $20.1 billion after rebates, corresponding to a 6.9% to 18.3% decrease in drug spending in Part D compared with Part B. Of the 75 drugs studied, 33 (44.0%) drugs, accounting for $9.5 billion (43.9%) in Part B spending, were in protected Part D classes where plans must cover essentially all drugs. For 67 drugs with available information, the prices for 65 (97.0%) were a median of 45.8% to 59.7% lower in comparator high-income countries than Part B drug prices. Median patient cost-sharing in Part B for all 75 brand-name drugs was $4683 (interquartile range [IQR], $1069-$9282) per year. Shifting Part B drugs to the 2018 standard Part D benefit was projected to decrease out-of-pocket costs by a median of $860 (IQR, −$3884 to $496) among Medicare beneficiaries without Medicaid or Part B supplemental insurance (Medigap). For beneficiaries who would qualify for the low-income subsidy program in Part D, cost-sharing would be lower in Part D than in Part B for all drugs. For beneficiaries with Medigap insurance, estimated Part D out-of-pocket costs exceeded average Medigap premium costs by a median of $1460 for those with Part D coverage and by a median of $1952 for those without Part D coverage.</p><h3>Conclusions and Relevance</h3><p>Although the HHS proposal to shift certain drugs from Medicare Part B to Part D may reduce total drug spending, it may increase out-of-pocket costs for some Medicare beneficiaries, including those with Medicare supplement insurance. The Department of Health and Human Services should ensure that the proposed reforms benefit both patients and payers.</p>" /><meta name="citation_journal_title" content="JAMA Internal Medicine" /><meta name="citation_journal_abbrev" content="JAMA Intern Med" /><meta name="citation_volume" content="179" /><meta name="citation_issue" content="3" /><meta name="citation_publication_date" content="2019/03/01" /><meta name="citation_issn" content="2168-6106" /><meta name="citation_publisher" content="American Medical Association" /><meta name="citation_reference" content="Medicare Payment Advisory Commission. Databook: health care spending and the Medicare program. June 2018. http://www.medpac.gov/docs/default-source/data-book/jun18_databookentirereport_sec.pdf. Accessed November 1, 2018. 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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. Comparison of Reported Average Sales Prices for Medicare Part B Drugs With Ex-Factory Drug Prices for Other High-Income Countries</div><a id="ioi180109f1" 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="ioi180109f1" href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/937865/ioi180109f1.png?Expires=1735253126&Signature=SaP0Gq7YzRU9G1NknD3p1qbHIpQ7rqx7xdmb2DvTzMEl4jArHUj5MtmmysErcid~8CY0EPX3sTpCuctF8AbJDTohBJCcw0k60GE-7--fqQEpOdI1Y-nh6zQ~jZufWrCwPXqBcgl3G63GSfI-hZZbeUEt1VTy5VLozq2HYwqU3U4lTA36KF7IN2KuTCG2Ah5VEp3Vs947aWaeG47E6YFzUtLsIyeGbaZI6W2-afaVEny-DYbV5r34PiIXq-8YWU-b6Rrx0EomP1I730qCVgKz92QiAlrqZNfOLQQ2-FGOiTgaEiw4hDuBiEB2lW92gqWt8tJJgT0VEeZkN709rSisTg__&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="ioi180109f1" href="/downloadimage.aspx?image=https://cdn.jamanetwork.com/ama/content_public/journal/intemed/937865/ioi180109f1.png?Expires=1735253126&Signature=SaP0Gq7YzRU9G1NknD3p1qbHIpQ7rqx7xdmb2DvTzMEl4jArHUj5MtmmysErcid~8CY0EPX3sTpCuctF8AbJDTohBJCcw0k60GE-7--fqQEpOdI1Y-nh6zQ~jZufWrCwPXqBcgl3G63GSfI-hZZbeUEt1VTy5VLozq2HYwqU3U4lTA36KF7IN2KuTCG2Ah5VEp3Vs947aWaeG47E6YFzUtLsIyeGbaZI6W2-afaVEny-DYbV5r34PiIXq-8YWU-b6Rrx0EomP1I730qCVgKz92QiAlrqZNfOLQQ2-FGOiTgaEiw4hDuBiEB2lW92gqWt8tJJgT0VEeZkN709rSisTg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA&sec=212233502&ar=2720128&imagename=&siteId=15" 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/intemed/937865/ioi180109f1.png?Expires=1735253126&Signature=SaP0Gq7YzRU9G1NknD3p1qbHIpQ7rqx7xdmb2DvTzMEl4jArHUj5MtmmysErcid~8CY0EPX3sTpCuctF8AbJDTohBJCcw0k60GE-7--fqQEpOdI1Y-nh6zQ~jZufWrCwPXqBcgl3G63GSfI-hZZbeUEt1VTy5VLozq2HYwqU3U4lTA36KF7IN2KuTCG2Ah5VEp3Vs947aWaeG47E6YFzUtLsIyeGbaZI6W2-afaVEny-DYbV5r34PiIXq-8YWU-b6Rrx0EomP1I730qCVgKz92QiAlrqZNfOLQQ2-FGOiTgaEiw4hDuBiEB2lW92gqWt8tJJgT0VEeZkN709rSisTg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" path-from-xml="ioi180109f1" rel="nofollow"><img data-original="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/937865/m_ioi180109f1.png?Expires=1735253126&Signature=oCnFTRZyqsKyUSZHRMXOVScZoKMjd9IIhPaP0UUvW97rWmF4oY84Ci02DAbXmveaKqYYzsPDEkCNygsBv8xQPJaDct2KNr0~3BxRpxB4SulSBRwbI~vbXUz9fFV0OQF1V2J5QwZNsauby5hF9kLI803ZmuUnwUdEX8KBcbo-8vE5DVxjlUyfwYNHel4hQuWkuMW~YoYX8wzxTSv4l~yAwfYgMn32-YaxyNo~S8-enXbRcYYcmIcr83bQOAFy~FV15JAN5BjwFxSEUMj4pYAvKdlQZMbS8sECYNoZHIAV1YWgWhKrh3VFqS5BAI2VUKX4e4-OMGkNRFv2-td~XQHfvQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" alt="Comparison of Reported Average Sales Prices for Medicare Part B Drugs With Ex-Factory Drug Prices for Other High-Income Countries" class="content-img lazy" path-from-xml="ioi180109f1" /></a></div></div><div class="figure-caption clip-last-child"><p class="para">The ex-factory price for the selected comparator countries is the price exclusive of sales tax and value-added taxes and adjusted for statutory rebates (but excludes confidential managed access and performance-based rebates in the United Kingdom). Illustrated weighted average ratios are weighted at the drug level by 2016 Medicare Part B expenditures. ASP indicates average sales price; the US ASP = 1. Prices were converted to US dollars at spot exchange rates as of May 18, 2018 (Swiss franc: 1.002; Euro: 1.179; Pound: 1.347; Yen: 0.009).</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 1. Standard 2018 Medicare Part D Prescription Drug Benefit</div><a class="figure-table-anchor" id="ioi180109t1"> </a><div class="figure-table-links right"><a class="view-large figure-table-link is-b desktop-only" path-from-xml="ioi180109t1" href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/937865/ioi180109t1.png?Expires=1735253126&Signature=BpolOaXNpPURZcaSSmDe4mEDJuCYUR1e0cstY0eGfyk9urfONgTlCBSdx8Lht~1Yhmhlb~qliCjCaVuq7ekuq9TLYqNxUjZIGX3KDZZYHrQJN9vN4R1EKej-VrxnA22rlPapVDIAoOZXvd~CIFKs~pVPJ-Rzy~aXH9~EAJAx3prQCTkz3y2eZpfprva5TVNiBp3sw34~x5v9jXnV7d1nTjpJof6z6SjALEYXWBSJuxXaouOqdC7VDR1IHgj~tVijncE2h9oyfIGw4aBRZ3gvyHwUyaFE1GFXRzT8KlLVglOhOJyEsKHEenS~WX59dfjatDjVHhTSy8C1TjMlF~q5Ag__&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="ioi180109t1" href="/downloadimage.aspx?image=https://cdn.jamanetwork.com/ama/content_public/journal/intemed/937865/ioi180109t1.png?Expires=1735253126&Signature=BpolOaXNpPURZcaSSmDe4mEDJuCYUR1e0cstY0eGfyk9urfONgTlCBSdx8Lht~1Yhmhlb~qliCjCaVuq7ekuq9TLYqNxUjZIGX3KDZZYHrQJN9vN4R1EKej-VrxnA22rlPapVDIAoOZXvd~CIFKs~pVPJ-Rzy~aXH9~EAJAx3prQCTkz3y2eZpfprva5TVNiBp3sw34~x5v9jXnV7d1nTjpJof6z6SjALEYXWBSJuxXaouOqdC7VDR1IHgj~tVijncE2h9oyfIGw4aBRZ3gvyHwUyaFE1GFXRzT8KlLVglOhOJyEsKHEenS~WX59dfjatDjVHhTSy8C1TjMlF~q5Ag__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA&sec=212233494&ar=2720128&imagename=&siteId=15" 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/intemed/937865/ioi180109t1.png?Expires=1735253126&Signature=BpolOaXNpPURZcaSSmDe4mEDJuCYUR1e0cstY0eGfyk9urfONgTlCBSdx8Lht~1Yhmhlb~qliCjCaVuq7ekuq9TLYqNxUjZIGX3KDZZYHrQJN9vN4R1EKej-VrxnA22rlPapVDIAoOZXvd~CIFKs~pVPJ-Rzy~aXH9~EAJAx3prQCTkz3y2eZpfprva5TVNiBp3sw34~x5v9jXnV7d1nTjpJof6z6SjALEYXWBSJuxXaouOqdC7VDR1IHgj~tVijncE2h9oyfIGw4aBRZ3gvyHwUyaFE1GFXRzT8KlLVglOhOJyEsKHEenS~WX59dfjatDjVHhTSy8C1TjMlF~q5Ag__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" path-from-xml="ioi180109t1" rel="nofollow"><img data-original="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/937865/m_ioi180109t1.png?Expires=1735253126&Signature=NabNqqI8G-KEGO3iKZNrlY2x2B4xL4SDyOpJ4Xk45MENWKFgvFXVrZioe4wJNtGblsPCFNG4bCKoPhjrumlbIX2d-8MaRBHecqjcY3znD-Iw8nxHyM3xeyKdYRmyvDFDhEOf01-TMctn0p4C7tno6Y9rCStTKkbG4aI21IRN7oPwK5g24BiJg9oUfQPaP2RKfdk-nxMEtLsyp9aG5Jcq8TYQOXtRrhRmcZb3pmx0tpXfxpH~kTMJVhPN7p6jFFd56Oo42rbp4tSwNrU353ZXvtNxI4R~CD5f49iBzyGIXl8hTq6A2DOf4ZGxTdGyF~mCRJemQQhKF~m2uFfBDGYEVA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" alt="Standard 2018 Medicare Part D Prescription Drug Benefit" class="content-img lazy" path-from-xml="ioi180109t1" /></a></div></div><div class="table-caption"></div></div><div class="figure-table-wrapper thm-bd-top"><div class="table-label">Table 2. Categorization of the 33 Brand-Name Study Drugs With Protected Class Status and the Highest Part B Expenditures in 2016</div><a class="figure-table-anchor" id="ioi180109t2"> </a><div class="figure-table-links right"><a class="view-large figure-table-link is-b desktop-only" path-from-xml="ioi180109t2" href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/937865/ioi180109t2.png?Expires=1735253126&Signature=Qepm1jNMuCLuu4l64HrHQJc8B3uBs2NDvyGeSSSOHvEyrnYa9P1OXa4qle1nB8vAaUf3d259IikNNUmcv4MWTcPu4qSs9kLICmarfXO4XGEKvmNWVKf1asB3SzIgica2zAR9El9iwcU3IRwRfNYSint2jORnBCACayTar~3F5L2b87i4eQ8dT4eBP1qPP4DK22Qp9GHf3xzBfu8c7SXXeTMOODTmEZxHYpW3F-ht9IFIBJDzHOfT1L4K8FGZch4BBF--07xpo7VZCg2CpFXCD8xq99V9YoadPvtAVWxFTTNc9TRyF25QZqh5-pEW1hdlB3fj35ck4mG1rvjgb6GZBg__&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="ioi180109t2" 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class="figure-table-image"><a href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/937865/ioi180109t2.png?Expires=1735253126&Signature=Qepm1jNMuCLuu4l64HrHQJc8B3uBs2NDvyGeSSSOHvEyrnYa9P1OXa4qle1nB8vAaUf3d259IikNNUmcv4MWTcPu4qSs9kLICmarfXO4XGEKvmNWVKf1asB3SzIgica2zAR9El9iwcU3IRwRfNYSint2jORnBCACayTar~3F5L2b87i4eQ8dT4eBP1qPP4DK22Qp9GHf3xzBfu8c7SXXeTMOODTmEZxHYpW3F-ht9IFIBJDzHOfT1L4K8FGZch4BBF--07xpo7VZCg2CpFXCD8xq99V9YoadPvtAVWxFTTNc9TRyF25QZqh5-pEW1hdlB3fj35ck4mG1rvjgb6GZBg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" path-from-xml="ioi180109t2" rel="nofollow"><img data-original="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/937865/m_ioi180109t2.png?Expires=1735253126&Signature=Xac3T~vF10l~lM3mLC93en76-jnpzFCS5~kwO~7RRZwGzatP7XRxSRzaJPtCVpQXGe0iCwHMLAmWsmhVzC-M1gtM9Xyc9GewgSQNVr1NADSDDvPqtFy0Qagnuz1kxPFOx9K0QH-QEsy5zjZiSJzcGAqotXiSvfWWpUpJi90RhyzQAg--9m09FphjnyQrUn-kPNx2fuVGWi9OEo9rqNsED5PwtO8w8eHthvuvkLnsuCd62MEx0ZSIrYYTGDngVrTRioUT6dvfpzRrAc6NYizpH5lY6q54KytY4iLxZASXRAqRbSs3B~rmPBouV2Io7w5hK7LtMhbCTqJ3vP6BJikoVg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" alt="Categorization of the 33 Brand-Name Study Drugs With Protected Class Status and the Highest Part B Expenditures in 2016" class="content-img lazy" path-from-xml="ioi180109t2" /></a></div></div><div class="table-caption"></div></div><div class="figure-table-wrapper thm-bd-top"><div class="table-label">Table 3. 2018 Total Estimated Drug Spending in Medicare Parts B and D<sup>a</sup></div><a class="figure-table-anchor" id="ioi180109t3"> </a><div class="figure-table-links right"><a 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class="figure-table-image"><a href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/937865/ioi180109t3.png?Expires=1735253126&Signature=qkZR8TU6gN0crGRaBAGi-ax08HLi~axw6N11697GNehUCMuKtmAaE4BcB3WGx0~JxjPMFa8pVefqDpTrRNIGsvkZrLrisyfXfNFJbqB92eSDX2UUGGRWddbaYx8cL-ZUOuEsXUSqVdvzCP1Z4YHbPpHVDvrheKs~bXfxcWNclcVE0T~mYOc69O62swPrZ2jNvifJz89sEHWeZYMj4QZuKz1TOc2-UdRYSHQu9LccKtzUF-Yd-laX6gVPkfjIB2llrg6AadyvMzlkQxMQhLp6DI65UtrbjIgk3xNStJn3J8DFd5uuDY31FGWjfa6Tm1BHwmORyjvLZnA24Df0LWqCxA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" target="_blank" path-from-xml="ioi180109t3" rel="nofollow"><img data-original="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/937865/m_ioi180109t3.png?Expires=1735253126&Signature=Cx87OD~Vjusd6Xj1CDIcx-fBlbl2juFYvSl58-CAW64yf~pmWRdkEljnOWrSVhHq2COyruYVnrwVjk1GFRFTh7hBB1I9gcIuCMuh17ly6~LeAvwgZRB0v9n-FtQxJp1quAWIauHt4pLGGk2BTxLwW-QLrHlfzzYU0RISS1nyXvKYyiZoGNHr43Y7uBQ1QBQmStSSh5Y6i3pUqo46HP1dgkPn9bl1g5Aj1MZvsbmvslUxE9VpS7YwcHTXvhWappDWwsQgNnXqbHy78FePdy4J31DDR7mXUOougmSFFVDU16TjNK4JVy-uQQ7GnR~V5d3~-tto8Em-65UAwxAFWfO2qg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" alt="2018 Total Estimated Drug Spending in Medicare Parts B and Da" class="content-img lazy" path-from-xml="ioi180109t3" /></a></div></div><div class="table-caption"></div></div><div class="figure-table-wrapper thm-bd-top"><div class="table-label">Table 4. Medicare Patient Cost-Sharing in Part B and Under Different Proposed Part D Shift Scenarios<sup>a</sup></div><a class="figure-table-anchor" id="ioi180109t4"> </a><div class="figure-table-links right"><a class="view-large figure-table-link is-b desktop-only" path-from-xml="ioi180109t4" href="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/937865/ioi180109t4.png?Expires=1735253126&Signature=v2IVgZl28CUyfDsqeNZbhWASTgNMorGAkdAGc~c7GTUGQmHSmy2lNy2-wSMyFBOsUhUBN83RhczmFFY3qlDuTL4GmEWXWqdMVngEsET3Gogtv623QYVdtsD7yTwp5OuKrX6AnqBOm0b7BmGPKarIb-1bNktuITHPHJD1xCF-k3iSgeZ7hBiGW3Ow4AVBaJMRQtOZhmDM5~RZOB1sZcMewlkSZ0zGnvXN-0LnyGivEPTLIE1WrDcfh2BUpD9u08BdwPMP75tRPeSbpS8xMLg2SeAIUXh4EMF8REjeoCOwvcBAVBV6Ge9vwSsHpWhCxL7SIiasmyScIegVQMSOJ1G7vg__&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="ioi180109t4" 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data-original="https://cdn.jamanetwork.com/ama/content_public/journal/intemed/937865/m_ioi180109t4.png?Expires=1735253126&Signature=klHHIB502WBfAdFSol~5wLR8VSlP78rfwfcXaWr629Tu7Ue8tCqvYoc9OUqhM9z5AAcQbGjFEMixkhDpETo9nGUNqvyEjTa8cNMkUuqBUysKVm0c6U6-7kHzoj53NLyeJw7QHZR36Q-ggU7wVQ5nBiSLgWg9fnHhXXMvZbugrBDCKk~7pj9B0gftvDUi8paam5~p8my235uOxIRdi~QQyXfEZM-4oj9hEYEM~yj~22Q0CuHHv4W08CnMUmyirEVZys9p8eEL3dg7OGjkMbZGMcbajYBpHiZLV45Q0lzt5dimsNNXTyp1akQQ-AK0S4Pv~pmeThaqQ0rJhIbF2Iz8Og__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA" alt="Medicare Patient Cost-Sharing in Part B and Under Different Proposed Part D Shift Scenariosa" class="content-img lazy" path-from-xml="ioi180109t4" /></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 class="widget-MultimediaInfo widget-instance-AMAv2MultimediaContent"> <div class="multimedia-item audio "> <div class="audio-group-duration"> Podcast (17:31) </div> 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supplement-download stats-supplement-download" rel="nofollow"> <div class="pdf supplement-type"></div> <div class="supplement-title"><span class="title-label">Supplement.</span><p class="para"><strong>eMethods.</strong></p><p class="para"><strong>eTable 1.</strong> Drugs in Study Cohort</p><p class="para"><strong>eTable 2.</strong> Sensitivity Analysis of 2018 Total Estimated Drug Spending</p><p class="para"><strong>eTable 3.</strong> Comparison of 2018 Estimated Median Annual Drug Costs in Part B and Part D</p><p class="para"><strong>eFigure 1.</strong> Distribution of Medicare Part B Drug Spending by HCPCS Codes</p><p class="para"><strong>eFigure 2.</strong> Threshold Analysis of Patient Out-of-Pocket Costs in Part B and Part D</p></div> </a> </div> </div> </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="ioi180109r1">1.</a><div class="reference-content">Medicare Payment Advisory Commission. Databook: health care spending and the Medicare program. June 2018. <a href="http://www.medpac.gov/docs/default-source/data-book/jun18_databookentirereport_sec.pdf">http://www.medpac.gov/docs/default-source/data-book/jun18_databookentirereport_sec.pdf</a>. Accessed November 1, 2018.</div></div><div class="reference"><a class="reference-number" id="ioi180109r2">2.</a><div class="reference-content">US Centers for Medicare & Medicaid Services. 2018 Annual Report of the Boards of Trustees of the Federal Hospital Insurance and Federal Supplementary Medical Insurance Trust Funds. <a href="https://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/ReportsTrustFunds/Downloads/TR2018.pdf">https://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/ReportsTrustFunds/Downloads/TR2018.pdf</a>. Accessed November 1, 2018.</div></div><div class="reference"><a class="reference-number" id="ioi180109r3">3.</a><div class="reference-content">US Department of Health and Human Services. American patients first: the Trump administration blueprint to lower drug prices and reduce out-of-pocket costs. <a href="https://www.hhs.gov/sites/default/files/AmericanPatientsFirst.pdf">https://www.hhs.gov/sites/default/files/AmericanPatientsFirst.pdf</a>. Published May 2018. Accessed May 18, 2018.</div></div><div class="reference"><a class="reference-number" id="ioi180109r4">4.</a><div class="reference-content">US Department of Health and Human Services. Fixing healthcare: driving value through smart purchasing and policy. <a href="https://www.hhs.gov/about/leadership/secretary/speeches/2018-speeches/fixing-healthcare-driving-value-through-smart-purchasing-and-policy.html">https://www.hhs.gov/about/leadership/secretary/speeches/2018-speeches/fixing-healthcare-driving-value-through-smart-purchasing-and-policy.html</a>. Published May 2018. Accessed May 18, 2018.</div></div><div class="reference"><a class="reference-number" id="ioi180109r5">5.</a><div class="reference-content">US Department of Health and Human Services. HHS Blueprint to Lower Drug Prices and Reduce Out-of-Pocket Costs. Federal Register, 2018. 83 FR 22692. <a href="https://www.federalregister.gov/documents/2018/05/16/2018-10435/hhs-blueprint-to-lower-drug-prices-and-reduce-out-of-pocket-costs">https://www.federalregister.gov/documents/2018/05/16/2018-10435/hhs-blueprint-to-lower-drug-prices-and-reduce-out-of-pocket-costs</a>. Accessed May 18, 2018. </div></div><div class="reference"><a class="reference-number" id="ioi180109r6">6.</a><div class="reference-content">US Centers for Medicare & Medicaid Services. CMS Drug Spending: Medicare Part B. <a href="https://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/Information-on-Prescription-Drugs/index.html">https://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/Information-on-Prescription-Drugs/index.html</a>. Published May 2018. Accessed May 18, 2018.</div></div><div class="reference"><a class="reference-number" id="ioi180109r7">7.</a><div class="reference-content">US Centers for Medicare & Medicaid Services. Medicare Prescription Drug Benefit Manual: Chapter 6: Part D Drugs and Formulary Requirements. <a href="https://www.cms.gov/Medicare/Prescription-Drug-Coverage/PrescriptionDrugCovContra/Downloads/Part-D-Benefits-Manual-Chapter-6.pdf">https://www.cms.gov/Medicare/Prescription-Drug-Coverage/PrescriptionDrugCovContra/Downloads/Part-D-Benefits-Manual-Chapter-6.pdf</a>. Accessed May 18, 2018.</div></div><div class="reference"><a class="reference-number" id="ioi180109r8">8.</a><div class="reference-content">US Department of Health and Human Services. Secretary Azar: remarks on drug pricing blueprint. November 1, 2018. <a href="https://www.hhs.gov/about/leadership/secretary/speeches/2018-speeches/remarks-on-drug-pricing-blueprint.html">https://www.hhs.gov/about/leadership/secretary/speeches/2018-speeches/remarks-on-drug-pricing-blueprint.html</a>. 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id="comment-wrapper"> <div class="comment-btn"> <a id="modal-opener" class="btn d-b mb1 sb-background-sc js-modal-opener" href="javascript:;">Comment</a> </div> </div> </div> <div class="widget-UserCommentBody widget-instance-AMA_UserCommentBody_SplitScreen"> <div class="user-comments"> <div class="comment-header clearfix"> <div class="comment-count left text-small"><span class="user-comments-secondary-text">2 Comments for this article</span></div> </div> <div class="comment-item"> <div class="comment-item--date-submitted">January 19, 2019</div> <div class="comment-item--title thm-col fw-b sb-pc">Switching Part B drugs to Part D will hurt most patients</div> <div class="comment-item--author"> <span class="author-name fw-b">Gordon Banks, PhD MD</span> | Willamette Valley Neurology </div> <div class="comment-item--text"> I have very few Medicare patients who don't have both Part B supplements and Part D, except for those with Medicare Advantage. <br /><br />Most of my Part B patients with supplement have zero copays. Part D supplement copays for expensive drugs are substantial until you reach catastrophic coverage. </div> <div class="comment-item--separator thm-col"></div> <div class="comment-item--disclosure"> <strong>CONFLICT OF INTEREST:</strong> <span>None Reported</span> </div> </div> <div class="comment-item"> <div class="comment-item--date-submitted">January 22, 2019</div> <div class="comment-item--title thm-col fw-b sb-pc">Proposed Medicare Part B to Part D Shift for some prescription drugs may HELP majority (about 80%) of Medicare Beneficiaries:</div> <div class="comment-item--author"> <span class="author-name fw-b">Iryna Ries, Medicare Specialist</span> | SHIP program </div> <div class="comment-item--text"> Statistics shows that less than 20% of Medicare beneficiaries have a Supplemental insurance coverage.<br /><br />Low-income and fixed SS income Medicare enrollees face bigger cost burdens because they can't afford supplemental coverage.<br /><br />Approximately 40% of Medicare beneficiaries are on Medicare Advantage plans and approx. 40% of Medicare beneficiaries are on Original Medicare without a Supplemental insurance (Medigap). Many of those beneficiaries cannot afford the supplemental insurance and many of those beneficiaries are receiving Extra Help - assistance with Medicare part D expenses (co-pays/premiums) NOT assistance with Medicare part B expenses (co-pays/premiums). </div> <div class="comment-item--separator thm-col"></div> <div class="comment-item--disclosure"> <strong>CONFLICT OF INTEREST:</strong> <span>None Reported</span> </div> </div> </div> </div> </div> </div> </div> <a id="skip-to-navigation" href="#" tabindex="-1"></a> <div id="content-panel" class="content-panel"> <a id="top"></a> <div id="full-text-tab" class="resource-tab js-resource-tab full-text-tab"> <div class="widget-ArticleLinks widget-instance-AMA_ErrataArticleLinks_FullText"> </div> <div class="widget-ArticleLinks widget-instance-AMA_ArticleLinks_ToErrata_FullText"> </div> <div class="widget-ArticleNavLinks widget-instance-AMA_ArticleNavLinks"> <a class="toc-link btn" href="https://jamanetwork.com/journals/jamainternalmedicine/issue/179/3">This Issue</a> </div> <div class="article-metrics-wrapper" id="divArticleLevelMetrics"> <div class="widget-ArticleLevelMetrics widget-instance-AMA_ArticleMetrics"> <div class="artmet-condensed-wrap clearfix"> <div class="artmet-condensed-stats clearfix"> <div class="artmet-item artmet-views"> <span class="artmet-text sb-sc">Views</span> <span class="artmet-number sb-sc">10,206</span> </div> <div class="artmet-item artmet-citations"> <a class="artmet-citations-link" href="https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=silverchair&SrcAuth=WosAPI&KeyUT=WOS:000460283200016&DestLinkType=FullRecord&DestApp=WOS_CPL" target="_blank"> <span class="artmet-text">Citations</span> <span class="artmet-number">16</span> </a> </div> <div class="artmet-item artmet-altmetric"> <div class="widget-AltmetricLink widget-instance-AMAv2_ArticleLevelMetrics_AltmetricLinkSummary">  <div id="altmetricEmbedId" class='altmetric-embed' data-link-target="_blank" data-badge-type="text" data-hide-no-mentions="false" data-doi="10.1001/jamainternmed.2018.6417" ></div> </div> </div> <div class="artmet-item artmet-comments"> <a class="artmet-comments-link" href="#comment-wrapper"> <span class="artmet-text sb-sc">Comments</span> <span class="artmet-number sb-sc">2</span> </a> </div> </div> <div class="artmet-modal-trigger-wrap"> <a rel="nofollow" class="artmet-modal-trigger" data-article-id="2720128"><i class="icon-metrics"></i><span>View Metrics</span></a> </div> </div> </div> </div> <ul class="toolbar"> <li class="toolbar-pdf-wrap toolbar-tool-wrap"> <a id="pdf-link" href="/journals/jamainternalmedicine/articlepdf/2720128/jamainternal_hwang_2019_oi_180109.pdf" class="toolbar-tool toolbar-pdf al-link pdfaccess js-pdfaccess" data-article-id="2720128" data-article-url="/journals/jamainternalmedicine/articlepdf/2720128/jamainternal_hwang_2019_oi_180109.pdf" data-ajax-url="/Content/CheckPdfAccess"><span class="toolbar-pdf-text"><span class="toolbar-link-text-extra">Download </span><span class="toolbar-link-text">PDF</span></span> </a> </li> <li class="toolbar-share-wrap toolbar-tool-wrap"> <div class="toolbar-tool"> <a class="st-custom-button addthis_button_twitter is-b toolbar-twitter toolbar-share" data-network="twitter" data-title="" data-url="" data-email-subject="" rel="nofollow" href="javascript:;"> <span class="share-text">X</span> </a> <a class="st-custom-button addthis_button_facebook is-b toolbar-facebook toolbar-share" data-network="facebook" data-title="" data-url="" data-email-subject="" rel="nofollow" href="javascript:;"> <span class="share-text">Facebook</span> </a> <a class="toolbar-share-more-link is-a" rel="nofollow"><span class="icon icon-carrot_down social-arrow"></span><span class="more-text-wrap">More</span></a> <div class="toolbar-share-more"> <a class="st-custom-button addthis_button_linkedin is-b toolbar-linkedin toolbar-share" data-network="linkedin" data-title="" data-url="" data-email-subject="" rel="nofollow" href="javascript:;"> <span class="share-text">LinkedIn</span> </a> </div> </div> </li> <li class="toolbar-citation-wrap toolbar-tool-wrap"> <div class="widget-ToolboxGetCitation widget-instance-AMA_Get_Citation"> <a class="toolbar-tool toolbar-citation is-b stats-citation" rel="nofollow" data-reveal-id="get-citation" data-reveal> <span class="toolbar-link-text">Cite</span> <span class="toolbar-link-text-extra">This</span> </a> <div id="get-citation" class="reveal-modal get-citation" data-reveal> <h3 class="get-citation-title">Citation</h3> <p class="get-citation-citation">Hwang TJ<span class='al-author-delim'>, </span>Jain N<span class='al-author-delim'>, </span>Lauffenburger JC<span class='al-author-delim'>, </span>Vokinger KN<span class='al-author-delim'>, </span>Kesselheim AS. 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data-type="string"></span> <div class="meta-article-type-wrap"> <div class="meta-article-type thm-col">Original Investigation </div> <div class="meta-super-class">Health Care Reform</div> </div> <div class="meta-date">January 14, 2019</div> <div class="meta-article-title-wrap"> <h1 class="meta-article-title ">Analysis of Proposed Medicare Part B to Part D Shift With Associated Changes in Total Spending and Patient Cost-Sharing for Prescription Drugs</h1> </div> <div class="meta-authors"> <span class="meta-authors--limited"><span class="wi-fullname brand-fg"><a href="/searchresults?author=Thomas+J.+Hwang&q=Thomas+J.+Hwang" rel=nofollow target="_blank">Thomas J. Hwang, AB<sup>1</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Nina+Jain&q=Nina+Jain" rel=nofollow target="_blank">Nina Jain, MD, MBA<sup>1</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Julie+C.+Lauffenburger&q=Julie+C.+Lauffenburger" rel=nofollow target="_blank">Julie C. Lauffenburger, PharmD, PhD<sup>1</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=Kerstin+N.+Vokinger&q=Kerstin+N.+Vokinger" rel=nofollow target="_blank">Kerstin N. Vokinger, MD, JD, PhD<sup>1,2</sup></a></span><span class='al-author-delim'>; </span><span class="wi-fullname brand-fg"><a href="/searchresults?author=Aaron+S.+Kesselheim&q=Aaron+S.+Kesselheim" rel=nofollow target="_blank">Aaron S. Kesselheim, MD, JD, MPH<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="#212233518">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>Program on Regulation, Therapeutics, and Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts</div> </li> <li class="meta-author-affiliation"> <div class="meta-author-name"><sup>2</sup>Faculty of Medicine, University of Zürich and University Hospital Zürich, Zürich, Switzerland</div> </li> </ul> </div> </div> <div class="meta-citation-wrap"> <span class="meta-citation-journal-name">JAMA Intern Med. </span><span class="meta-citation"> 2019;179(3):374-380. doi:10.1001/jamainternmed.2018.6417</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" showContentByDefault="False"></div> <div class="linked-content-controls"> <a class="linked-content-trigger td-n stats-graphical-abstract" href="#graphical-abstract-tab"> <i class="icon-visual-abstract"><span class="sr-t">visual abstract icon</span></i> <div class="trigger-text d-ib va-m ta-l fw-5">Visual <div>Abstract</div></div> </a> <a class="linked-content-trigger td-n stats-editorial-comment" href="#editorial-comment-tab"> <i class="icon-document"><span class="sr-t">editorial comment icon</span></i> <div class="trigger-text d-ib va-m ta-l fw-5">Editorial <div>Comment</div></div> </a> <a class="linked-content-trigger td-n stats-related-articles" href="#related-articles-tab"> <i class="icon-related"><span class="sr-t">related articles icon</span></i> <div class="trigger-text d-ib va-m ta-l fw-5">Related <div>Articles</div></div> </a> <a class="linked-content-trigger td-n stats-author-interviews" href="#author-interviews-tab"> <i class="icon-author_interview"><span class="sr-t">author interview icon</span></i> <div class="trigger-text d-ib va-m ta-l fw-5">Interviews</div> </a> <a class="linked-content-trigger td-n stats-more-multimedia" href="#more-multimedia-tab"> <i class="icon-multimedia"><span class="sr-t">multimedia icon</span></i> <div class="trigger-text d-ib va-m ta-l fw-5">Multimedia</div> </a> <a class="linked-content-trigger td-n stats-listen-to-this-article" href="#listen-to-this-article-tab"> <i class="icon-audio"><span class="sr-t">audio icon</span></i> <div class="trigger-text d-ib va-m ta-l fw-5">Listen to <div>this article</div></div> </a> </div> <div class="linked-content-tabs"> <div id="graphical-abstract-tab" class="linked-content-tab graphical-abstract-tab"> <div class="widget-SectionDisplay widget-instance-AMA_GraphicalAbstract_Tab"> </div> </div> <div id="editorial-comment-tab" class="linked-content-tab editorial-comment-tab"> <div class="widget-ArticleLinks widget-instance-AMA_LinkedContentToolbar_EditorialComments"> <ul class="article-abstract-links related-abstract-content"> <li class="article-link related-abstract-article"> <a class="related-article-title" href="https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2720123"> <div class="related-article-type">Invited Commentary</div> <div class="related-article-title sb-tc">Managing the Cost of Medicare Part B Drugs</div> </a> <div class="related-article-authors">Francis J. Crosson, MD; Jon B. Christianson, PhD</div> <div class="related-article-journal-name">JAMA Internal Medicine</div> </li> </ul> </div> </div> <div id="related-articles-tab" class="linked-content-tab related-article-tab"> <div class="widget-ArticleLinks widget-instance-AMA_LinkedContentToolbar_RelatedArticle"> <ul class="article-abstract-links related-abstract-content"> <li class="article-link related-abstract-article"> <a class="related-article-title" href="https://jamanetwork.com/journals/jama/fullarticle/2797420"> <div class="related-article-type">Original Investigation</div> <div class="related-article-title sb-tc">Prescription Drug Spending in Fee-for-Service Medicare, 2008-2019</div> </a> <div class="related-article-authors">Stacie B. Dusetzina, PhD; Haiden A. Huskamp, PhD; Xuanzi Qin, PhD; Nancy L. 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Gellad, MD, MPH</div> <div class="related-article-journal-name">JAMA Internal Medicine</div> </li> </ul> </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 class="audio-border-top thm-bg-col sb-background-pc"></div> <div class="audio-element-wrapper js-audio-element-wrapper"> <div class="audio-group-duration"> Podcast (17:31) </div> <div><a class="audio-title" href="https://jamanetwork.com/learning/audio-player/17143672" target="_blank" aria-label="Linked Multimedia Button">Analysis of Proposed Medicare Reforms on Prescription Drug Total Spending and Patient Cost-Sharing</a></div> <div id="audio-player-wrapper" class="js-audio-player-wrapper audio-player-wrapper"> <audio class="js-audio-player" id="audio-player" type="audio/mp3" preload="none" src=https://traffic.libsyn.com/jamainternalmedicineauthorinterviews/analysis_of_proposed_medicare_reforms_on_prescription_drug_total_spending_and_patient_cost-sharing.mp3></audio> <div class="display-elements"> <div class="audio-controls"> <a id="backward" class="js-btn-backward audio-back" href="javascript:;" aria-label="Back Button"> <img src="//cdn.jamanetwork.com/UI/app/svg/multimedia/Backward_15.svg" alt="Backward 15" /> </a> <a id="play-pause" class="js-play-pause audio-play" href="javascript:;" aria-label="Play Button"> <img src="//cdn.jamanetwork.com/UI/app/svg/multimedia/Play.svg" alt="Play" /> </a> <a id="play-pause" class="js-play-pause audio-pause" href="javascript:;" aria-label="Pause Button"> <img src="//cdn.jamanetwork.com/UI/app/svg/multimedia/Pause.svg" alt="Pause" /> </a> <a id="forward" class="js-btn-forward audio-forward" href="javascript:;" aria-label="Fast Forward Button"> <img src="//cdn.jamanetwork.com/UI/app/svg/multimedia/Forward_15.svg" alt="Forward 15" /> </a> </div> <div class="js-progressBar-clickable progressBar-clickable"> <div class="js-progressBar progressBar"> <div class="js-loading-animation"> <div class="loading-blade thm-bg-col sb-pc"></div> <div class="loading-blade thm-bg-col sb-pc"></div> <div class="loading-blade thm-bg-col sb-pc"></div> <div class="loading-blade thm-bg-col sb-pc"></div> <div class="loading-blade thm-bg-col sb-pc"></div> <div class="loading-blade thm-bg-col sb-pc"></div> <div class="loading-blade thm-bg-col sb-pc"></div> <div class="loading-blade thm-bg-col sb-pc"></div> </div> <div class="js-timeBar timeBar thm-bg-col sb-background-pc" tabindex="0" aria-label="Progress Bar"></div> </div> </div> <div class="audio-speed"> <a id="speed-1x" class="js-btn-speed" play-speed=1 href="javascript:;" aria-label="Speed Control Button">1x</a> </div> <div class="audio-time"> <span id="time" class="js-time js-timeAudioCurrent">0:00</span> <span> / </span> <span class="js-initialTime">0:00</span> <span class="js-duration hide"></span> </div> </div> </div> <div class="linked-content-urls-wrapper"> <span><a class="thm-col sb-pc linked-content" target="_blank" href="https://jamanetwork.com/journals/jamainternalmedicine/pages/jama-internal-medicine-author-interviews" aria-label="Subscribe To Podcast Button">Subscribe to Podcast</a></span> </div> </div> </div> <div class="widget-MultimediaInfo widget-instance-AMA_LinkedContentToolbar_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 class="widget-MultimediaInfo widget-instance-AMA_LinkedContentToolbar_MoreMultimedia"> </div> </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="212233480"></a> <span class="heading-text thm-col h3 cb section-type-keyPoints decorated-hed sb-sc ">Key Points</span><p><strong>Question</strong> <span>What are the projected effects of the Department of Health and Human Services (HHS) proposed Medicare Part B drug pricing reform on drug spending and out-of-pocket costs?</span></p><p><strong>Findings</strong> <span>In this analysis of 75 brand-name drugs with the highest Part B expenditures in 2016, shifting Medicare Part B drugs to Part D was estimated to decrease total drug spending by 7% to 18% after rebates. Under the standard 2018 Part D benefit, out-of-pocket costs for most drugs were projected to be lower in Part D among fee-for-service Medicare beneficiaries without Medicaid or supplemental insurance in Part B and among those who would qualify for the low-income subsidy program; however, out-of-pocket costs were estimated to increase among beneficiaries with Medicare supplement insurance and among those currently without Part D coverage.</span></p><p><strong>Meaning</strong> <span>Although the HHS proposal may reduce total drug spending, it could increase out-of-pocket costs for some Medicare beneficiaries.</span></p> <a class="article-section-id-anchor" id="212233481"></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 US Department of Health and Human Services (HHS) has proposed to reform drug pricing in Medicare Part B, which primarily covers physician-administered drugs and biologic agents. One HHS proposal would shift coverage of certain drugs from Medicare Part B to Part D, which is administered by private prescription drug plans.</span></p><p><strong>Objective</strong> <span>To estimate the association of changes of a shift in Medicare Part B to Part D with total drug spending and patient cost-sharing.</span></p><p><strong>Design, Setting, and Participants</strong> <span>Retrospective drug cohort study of the 75 brand-name drugs associated with the highest Part B expenditures among fee-for-service Medicare beneficiaries in 2016.</span></p><p><strong>Main Outcomes and Measures</strong> <span>Estimated total Medicare spending in Part B and Part D; annual out-of-pocket costs in Part B and under the standard 2018 Part D benefit; and proportion of drugs in Part D’s protected drug classes (immunosuppressants for prophylaxis of organ transplant rejection, antidepressants, antipsychotics, anticonvulsants, antiretrovirals, and antineoplastics).</span></p><p><strong>Results</strong> <span>At 2018 prices, total Medicare Part B spending for the 75 brand-name drugs with the highest Part B expenditures was estimated to be $21.6 billion annually. Under the proposed policy, total Part D drug spending for these drugs was estimated to range between $17.6 billion and $20.1 billion after rebates, corresponding to a 6.9% to 18.3% decrease in drug spending in Part D compared with Part B. Of the 75 drugs studied, 33 (44.0%) drugs, accounting for $9.5 billion (43.9%) in Part B spending, were in protected Part D classes where plans must cover essentially all drugs. For 67 drugs with available information, the prices for 65 (97.0%) were a median of 45.8% to 59.7% lower in comparator high-income countries than Part B drug prices. Median patient cost-sharing in Part B for all 75 brand-name drugs was $4683 (interquartile range [IQR], $1069-$9282) per year. Shifting Part B drugs to the 2018 standard Part D benefit was projected to decrease out-of-pocket costs by a median of $860 (IQR, −$3884 to $496) among Medicare beneficiaries without Medicaid or Part B supplemental insurance (Medigap). For beneficiaries who would qualify for the low-income subsidy program in Part D, cost-sharing would be lower in Part D than in Part B for all drugs. For beneficiaries with Medigap insurance, estimated Part D out-of-pocket costs exceeded average Medigap premium costs by a median of $1460 for those with Part D coverage and by a median of $1952 for those without Part D coverage.</span></p><p><strong>Conclusions and Relevance</strong> <span>Although the HHS proposal to shift certain drugs from Medicare Part B to Part D may reduce total drug spending, it may increase out-of-pocket costs for some Medicare beneficiaries, including those with Medicare supplement insurance. The Department of Health and Human Services should ensure that the proposed reforms benefit both patients and payers.</span></p> <div class="movable-ad-target bta"> </div> <a class="article-section-id-anchor" id="212233486"></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="212233487"></a> <p class="para">In 2016, Medicare Part B spending for prescription drugs was $29.1 billion, primarily for medications administered by injection or infusion in physician offices and hospital outpatient departments.<sup><a href="#ioi180109r1" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">1</a></sup> Between 2010 and 2016, Medicare Part B drug spending increased by approximately 9.8% on average per year, compared with an average annual growth rate of 8.2% in Medicare Part D program expenditures.<sup><a href="#ioi180109r1" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">1</a></sup><sup>,<a href="#ioi180109r2" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">2</a></sup></p> <a class="article-section-id-anchor" id="212233488"></a> <p class="para">In May 2018, the US Department of Health and Human Services (HHS) proposed to shift coverage of certain drugs from Part B to Medicare Part D.<sup><a href="#ioi180109r3" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">3</a></sup><sup>,<a href="#ioi180109r4" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">4</a></sup> Both programs cover outpatient prescription drugs but pay for them differently. In Part B, Medicare payments are based on the average sales price, which is the price paid (net of discounts and rebates) by most private purchasers, plus a statutory add-on amount. In Part D, private insurers administer prescription drug plans for Medicare beneficiaries; individual Part D plans (and their pharmacy benefit managers) negotiate with manufacturers to determine the amounts they pay for drugs.</p> <a class="article-section-id-anchor" id="212233489"></a> <p class="para">The HHS policy blueprint<sup><a href="#ioi180109r5" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">5</a></sup> was published on May 11, 2018. The proposed Medicare Part B reform is an important part of the Trump administration’s strategy to lower drug prices and reduce out-of-pocket costs for Medicare beneficiaries.<sup><a href="#ioi180109r4" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">4</a></sup> We modeled the effects of the proposed reform on total drug spending and patients’ out-of-pocket costs for prescription drugs.</p> <a class="article-section-id-anchor" id="212233490"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Methods </div> </div> <a class="article-section-id-anchor" id="212233491"></a> <p class="para">We obtained Part B drug utilization, patient cost-sharing, and total spending data from the Centers for Medicare & Medicaid Services (CMS) Drug Data files, which cover fee-for-service claims.<sup><a href="#ioi180109r6" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">6</a></sup> These data files summarize Part B drug claims from physicians, outpatient hospitals, and suppliers, and exclude claims billed using NOC codes (“Not Otherwise Classified”) (eg, J3490, J3590, or J9999), claims for which Medicare was not the primary payer, and claims with total spending amounts of $0 associated with the drug (see eMethods in the <a class="supplement-link section-jump-link" data-tab-toggle=".tab-nav-supplemental" href="#note-IOI180109-1">Supplement</a>).<sup><a href="#ioi180109r6" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">6</a></sup> The study drug cohort comprised brand-name drugs associated with the highest Part B expenditures, defined as brand-name drugs with at least $10 million in Part B spending in 2016 (most recent year of data available). Generic drugs, devices, vaccines, blood products and clotting factors, and certain biological products were excluded (eMethods in the <a class="supplement-link section-jump-link" data-tab-toggle=".tab-nav-supplemental" href="#note-IOI180109-1">Supplement</a>).</p> <a class="article-section-id-anchor" id="212233492"></a> <p class="para">The Medicare Prescription Drug Benefit Manual states that Part D plan sponsors must include “all or substantially all” drugs in the 6 protected classes in their formularies.<sup><a href="#ioi180109r7" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">7</a></sup> The protected classes are immunosuppressants for prophylaxis of organ transplant rejection, antidepressants, antipsychotics, anticonvulsants, antiretrovirals, and antineoplastics. We examined how many Part B drugs would fall under Part D’s protected classes and may therefore experience limited price competition even if moved into Part D.<sup><a href="#ioi180109r8" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">8</a></sup> Two investigators (N.J. and J.C.L.) independently reviewed all approved indications in drug labels and then assigned protected class status (interrater agreement, 97.3%).<sup><a href="#ioi180109r9" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">9</a></sup> Per the Medicare Benefit Manual,<sup><a href="#ioi180109r7" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">7</a></sup> the investigators considered both new drugs (ie, indications at the time of first US Food and Drug Administration [FDA] approval) as well as newly approved indications since first approval. Drugs were categorized as (1) fully protected class—all approved indications were in a protected class (eg, bortezomib indicated for multiple myeloma and mantle cell lymphoma); (2) partially protected class—at least 1 indication was in a protected class (eg, rituximab indicated for various cancers), but there were some indications that were not in a protected class (eg, rituximab indicated for rheumatoid arthritis); and (3) not protected class—all approved indications were not in a protected class (eg, omalizumab indicated for asthma and chronic idiopathic urticaria). After independent review, the final classifications were made by consensus.</p> <a class="article-section-id-anchor" id="212233493"></a> <p class="para">Current annual drug costs were priced for Part B using Medicare’s quarterly ASP (Average Sales Price) Drug Pricing file<sup><a href="#ioi180109r10" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">10</a></sup> and for Part D using wholesale acquisition costs, which were a median 5.0% to 6.8% lower than reported standard pharmacy costs as of July 2018 (eMethods in the <a class="supplement-link section-jump-link" data-tab-toggle=".tab-nav-supplemental" href="#note-IOI180109-1">Supplement</a>).<sup><a href="#ioi180109r11" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">11</a></sup> Total drug spending in Part B and Part D was estimated using current prices for each program and unadjusted utilization (number of units and beneficiaries) per drug from the latest Medicare Drug Data files. Since Part B drug costs and spending estimates already include rebates, we estimated “net,” or rebate-adjusted, drug spending in Part D after accounting for manufacturer rebates and the coverage gap discount (manufacturers provide a 50% discount on drug costs in the coverage gap phase of Part D) (<a href="#ioi180109t1" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table 1</a>).<sup><a href="#ioi180109r12" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">12</a></sup> We obtained Part D rebate levels from HHS,<sup><a href="#ioi180109r8" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">8</a></sup> the 2018 Medicare Trustees Report,<sup><a href="#ioi180109r2" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">2</a></sup> and an insurance industry–sponsored analysis of rebates for 5 Part D plans.<sup><a href="#ioi180109r13" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">13</a></sup> Based on these, Part D spending was adjusted for rebates using an average rebate range of 20.0% to 30.0% for spending on drugs that were not in a protected class and an average rebate range of 0% to 10.0% for spending on drugs in any of the protected classes. Medicare’s estimated reinsurance subsidy obligation (that is, reinsurance payments by Medicare to Part D plans) was also adjusted for rebates, using the agency’s allocation methodology<sup><a href="#ioi180109r14" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">14</a></sup> and a shared rebate fraction of 30.0% to 40.0%.<sup><a href="#ioi180109r15" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">15</a></sup> To validate these estimates, in a sensitivity analysis, we also assessed total rebate-adjusted spending using drug-specific rebate levels estimated by SSR Health LLC, an investment research firm; SSR’s rebate estimates were available for 45 (60%) of the 75 studied drugs (eMethods in the <a class="supplement-link section-jump-link" data-tab-toggle=".tab-nav-supplemental" href="#note-IOI180109-1">Supplement</a>).<sup><a href="#ioi180109r16" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">16</a></sup></p> <a class="article-section-id-anchor" id="212233495"></a> <p class="para">For each drug in the study cohort, we projected annual out-of-pocket costs under current drug prices and the standard 2018 Part D benefit (<a href="#ioi180109t1" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table 1</a>) as the base case. Ranges in projected Part D out-of-pocket costs were constructed by varying the coinsurance from 25.0% (standard) to the maximum 33.0% allowable for specialty drugs (defined by Medicare as monthly costs exceeding $670),<sup><a href="#ioi180109r17" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">17</a></sup> and by varying annual out-of-pocket costs in Part D on drugs other than the Part B agent from $0 to $1169 (beneficiaries in the top 5% of spending).<sup><a href="#ioi180109r18" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">18</a></sup> Current Part B cost-sharing was estimated using current prices and actual cost-sharing amounts (as a percentage of spending) and annual utilization extracted from the Medicare Drug Data files. In the primary analysis, differences in out-of-pocket costs under Part B and Part D were estimated for Medicare beneficiaries without Medicaid or supplemental insurance in Part B.</p> <a class="article-section-id-anchor" id="212233496"></a> <p class="para">We descriptively considered possible changes in out-of-pocket costs for beneficiaries without Medicaid who would qualify for the low-income subsidy program.<sup><a href="#ioi180109r19" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">19</a></sup><sup>,<a href="#ioi180109r20" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">20</a></sup> The low-income subsidy program lowers out-of-pocket drug costs in Part D for eligible individuals with limited income and resources. We also projected out-of-pocket costs in Part D for beneficiaries with Medicare supplement insurance (Medigap) and for beneficiaries currently without Part D coverage and who would need to purchase it. Medigap can be purchased to cover coinsurance for Part B (but not Part D) drugs. We obtained national average Medigap premiums from the 2016 Medicare Supplement Insurance Experience Reports.<sup><a href="#ioi180109r21" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">21</a></sup></p> <a class="article-section-id-anchor" id="212233497"></a> <p class="para">Since the HHS proposal suggested that drugs with lower prices in other countries could be prioritized for the shift from Part B to Part D,<sup><a href="#ioi180109r3" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">3</a></sup><sup>,<a href="#ioi180109r5" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">5</a></sup> we compared drug prices between the United States and other countries and considered changes in out-of-pocket costs for these products. In secondary analyses, we examined subsets of drugs in the study cohort to align with policy scenarios proposed by HHS: (1) drugs with prices exceeding the median of those in comparator high-income countries (Germany, Japan, Switzerland, and the United Kingdom); (2) drugs covered by both Part B and Part D; and (3) specialty drugs. Descriptive statistics were calculated using Stata version 12.0 (StataCorp Inc).</p> <a class="article-section-id-anchor" id="212233498"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Results </div> </div> <a class="article-section-id-anchor" id="212233499"></a> <p class="para">The study drug cohort comprised 75 brand-name drugs with the highest Part B expenditures in 2016, with median annual spending per drug of $98.4 million (interquartile range [IQR], $37.9-$268.2 million) (eTable 1 and eFigure 1 in the <a class="supplement-link section-jump-link" data-tab-toggle=".tab-nav-supplemental" href="#note-IOI180109-1">Supplement</a>). The 75 drugs accounted for $19.8 billion or 77.0% of the $25.7 billion in 2016 fee-for-service Part B drug spending reported in the Medicare Drug Data file. The 3 Part B drugs with the highest associated expenditures were aflibercept (Eylea; Regeneron Pharmaceuticals Inc) with $2.2 billion in spending in 2016, rituximab (Rituxan; Genentech Inc) with $1.7 billion, and pegfilgrastim (Neulasta; Amgen Inc) with $1.4 billion. Thirty-three (44.0%) of the 75 drugs were determined to be in protected Part D classes, of which 30 were antineoplastic agents, 2 were immunosuppressants for prophylaxis of organ transplant rejection, and 1 was an antipsychotic (<a href="#ioi180109t2" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table 2</a>).</p> <a class="article-section-id-anchor" id="212233501"></a> <p class="para">In an advance notice of proposed rulemaking published on October 25, 2018, CMS suggested that Part B drug prices were among the highest in the world and considered directly reducing expenditures for Part B drugs to more closely reflect other countries. Therefore, to assess the magnitude of these price differences, we compared drug prices in Part B and comparator high-income countries. For 67 drugs with available information, 65 (97.0%) had higher prices in Part B than the median of prices in comparator high-income countries. As of May 2018, drug prices in other high-income countries were a median of 45.8% to 59.7% lower than those in Part B (<a href="#ioi180109f1" class="figure-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Figure</a>).</p> <a class="article-section-id-anchor" id="212233503"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Estimated Part B and Part D Drug Spending With the Proposed Reforms </div> </div> <a class="article-section-id-anchor" id="212233504"></a> <p class="para">With 2018 prices, total estimated Part B spending for all 75 brand-name drugs was $21.6 billion. Under the proposed policy, total Part D spending was estimated to range from $17.6 billion to $20.1 billion after rebates and discounts, corresponding to a 6.9% to 18.3% decrease in total rebate-adjusted spending in Part D compared with Part B (<a href="#ioi180109t3" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table 3</a>). Total rebate-adjusted drug spending was estimated to decrease by 10.6% to 21.8% if HHS shifted only specialty drugs (defined by Medicare as those with monthly costs exceeding $670) from Part B to Part D. Repeating the primary analysis with drug-specific rebate estimates yielded similar results (eTable 2 in the <a class="supplement-link section-jump-link" data-tab-toggle=".tab-nav-supplemental" href="#note-IOI180109-1">Supplement</a>). Medicare’s estimated reinsurance subsidy obligation was $9.7 billion before rebates and $8.0 billion to $9.0 billion after rebates, accounting for 43.6% to 47.8% of total Part D spending after rebates.</p> <a class="article-section-id-anchor" id="212233506"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Patient Cost-Sharing </div> </div> <a class="article-section-id-anchor" id="212233507"></a> <p class="para">Median estimated patient cost-sharing in Part B for all 75 brand-name drugs was $4683 (IQR, $1069-$9282) at 2018 prices. Shifting Part B drugs to the standard 2018 Part D benefit was projected to decrease out-of-pocket costs by a median of $860 (IQR, −$3884 to $496). When varying coinsurance and spending assumptions, out-of-pocket costs were estimated to increase by at least 10% for 22 to 29 drugs (29.3%-38.9%), and decrease by at least 10% for 41 to 50 drugs (54.7%-66.7%) (<a href="#ioi180109t4" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table 4</a>). The threshold annual drug cost, for which cost-sharing in the standard Part D benefit would be lower than the coinsurance in Part B, was $15 869 (eFigure 2 in the <a class="supplement-link section-jump-link" data-tab-toggle=".tab-nav-supplemental" href="#note-IOI180109-1">Supplement</a>). In secondary analyses, results were similar for the scenarios when drugs with prices exceeding the median of prices in comparator high-income countries or drugs covered by both Part B and Part D were shifted to Part D (<a href="#ioi180109t4" class="table-link section-jump-link" data-tab-toggle=".tab-nav-figure-table">Table 4</a>). Out-of-pocket costs were estimated to increase for fewer drugs (2-9 drugs, 3.6%-16.4% vs 22-29 drugs, 29.3%-38.9%) if HHS shifted only specialty drugs to Part D.</p> <a class="article-section-id-anchor" id="212233509"></a> <p class="para">We also descriptively assessed cost-sharing for the study drugs for 3 additional categories of Medicare beneficiaries. First, for those qualifying for the low-income subsidy program (approximately 5%-10% of fee-for-service Medicare beneficiaries), cost-sharing for brand-name drugs would be $0 to $8.35, depending on income and resources (eMethods in the <a class="supplement-link section-jump-link" data-tab-toggle=".tab-nav-supplemental" href="#note-IOI180109-1">Supplement</a>). Second, the national average annual premium cost for Medigap insurance was $2216 in 2016. For beneficiaries with Medigap insurance, estimated Part D out-of-pocket costs under the proposed policy exceeded average Medigap premium costs by a median of $1460 (IQR, $171-$2765). The out-of-pocket costs in Part D were estimated to be greater than average Medigap premium costs for 47 to 56 drugs (62.7%-74.7%) and to be lower than Medigap premium costs for 19 to 28 drugs (25.3%-37.3%).</p> <a class="article-section-id-anchor" id="212233510"></a> <p class="para">Finally, 12% of Medicare beneficiaries (or approximately 17% of fee-for-service beneficiaries) in 2016 had no Part D coverage or drug coverage that was less generous than Part D’s standard benefit.<sup><a href="#ioi180109r1" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">1</a></sup> The effects of the proposed policy on out-of-pocket costs would similarly depend on supplemental insurance. After accounting for the average annual premium cost for Part D prescription drug plans ($492 in 2018),<sup><a href="#ioi180109r1" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">1</a></sup> the median estimated decrease in out-of-pocket costs under the proposed policy was $368 for the subset of beneficiaries that would need to purchase Part D coverage and do not have Part B supplemental insurance or Medicaid. By contrast, for the subset of beneficiaries with Medigap but not Part D coverage, estimated Part D out-of-pocket costs exceeded average Medigap premium costs by a median of $1952.</p> <a class="article-section-id-anchor" id="212233511"></a> <div class="h3 cb section-type-section "> <div class="heading-text thm-col sb-sc"> Discussion </div> </div> <a class="article-section-id-anchor" id="212233512"></a> <p class="para">The HHS proposed reforms seek to expand the role of private-sector negotiation of Medicare drug prices by shifting coverage of certain drugs from Part B to Part D. Consistent with the administration's advance notice of proposed rulemaking, we found that drug prices in other high-income countries were substantially lower than Part B drug prices.<sup><a href="#ioi180109r22" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">22</a></sup> We estimated that the proposed policy shift from Part B to Part D could reduce total drug spending by 6.9% to 18.3% after accounting for rebates and discounts. However, the potential for greater overall savings was constrained by the fact that 33 (44.0%) of the studied brand-name drugs were in protected classes, which HHS has reported precludes meaningful price negotiation by Part D plans.<sup><a href="#ioi180109r8" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">8</a></sup> Furthermore, reinsurance payments by Medicare accounted for roughly half of total estimated Part D spending. It is possible that shifting costly brand-name drugs from Part B to Part D could contribute to the rapid growth in Medicare’s reinsurance of Part D drug costs. Between 2010 and 2016, Medicare’s reinsurance spending increased by an average of 21.2% per year, and reinsurance payments became the single largest component of Part D spending in 2014.<sup><a href="#ioi180109r1" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">1</a></sup><sup>,<a href="#ioi180109r2" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">2</a></sup> Since Medicare pays 80% of drug costs in the catastrophic coverage phase, in the medium to long-term, the expanding reinsurance component of the Part D benefit may attenuate—or potentially even eliminate—the incentive for Part D plans to obtain the lowest drug costs for beneficiaries and the government.<sup><a href="#ioi180109r23" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">23</a></sup><sup>-<a href="#ioi180109r23" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">25</a></sup></p> <a class="article-section-id-anchor" id="212233513"></a> <p class="para">Our analysis also indicates that the proposed policy reform could have a material impact on patients’ out-of-pocket costs, with effects varying by drug and patients’ insurance in addition to Medicare. We estimated that moving drug coverage from Part B to Part D could decrease out-of-pocket costs among patients without supplemental insurance for the majority of drugs, while increasing cost-sharing for 29.3% to 38.9% of products (22-29 drugs) (or 3.6%-16.4% if limited to high-cost specialty drugs; 2-9 drugs). The favorable impact of this policy shift on cost-sharing would be greatest for beneficiaries who qualify for the Part D low-income subsidy, which can eliminate the coinsurance liability based on income and resources. By contrast, for patients with Medigap insurance, out-of-pocket costs in Part D were estimated to exceed the annual premium costs for supplemental insurance for 62.7% to 74.7% of drugs (47-56 drugs). Out-of-pocket costs would be increased under the proposed policy for beneficiaries with Medigap but without Part D coverage.</p> <a class="article-section-id-anchor" id="212233514"></a> <div class="h4 cb section-type-section "> <div class="heading-text "> Limitations </div> </div> <a class="article-section-id-anchor" id="212233515"></a> <p class="para">Our study has limitations. First, the study did not account for possible effects of this proposed reform on insurance premiums or drug utilization. Further actuarial analysis is needed to more precisely determine the financial impact by stakeholder (eg, incurred costs for Medicare vs Part D plans). Second, the study did not include beneficiaries dually eligible for Medicare and Medicaid (who would likely have no or minimal change in cost-sharing due to eligibility for the low-income subsidy in Part D) or those enrolled in employer-sponsored retiree health plans. The HHS proposal would also likely only apply to fee-for-service Medicare, which covers roughly 67% of Medicare beneficiaries.<sup><a href="#ioi180109r1" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">1</a></sup> In August 2018, CMS issued guidance for the Medicare Advantage program that would parallel the proposed Part B to Part D shift for fee-for-service Medicare.<sup><a href="#ioi180109r26" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">26</a></sup><sup>,<a href="#ioi180109r27" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">27</a></sup> Specifically, the guidance permits Medicare Advantage plans to apply step therapy to control the utilization of Part B drugs and to cross-manage their Part B and Part D drug benefits (eg, by requiring Part D drug therapy prior to covering a Part B drug) for new prescriptions beginning in January 2019.<sup><a href="#ioi180109r26" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">26</a></sup> The CMS anticipates that its guidance could yield savings of 15% to 20% for physician-administered drugs,<sup><a href="#ioi180109r27" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">27</a></sup> which is consistent with our estimate for fee-for-service Medicare. Finally, while rebate amounts are confidential, we used current disclosures from HHS and insurers, as well as an industry database of drug-specific rebate amounts, as the best available estimates of Part D rebate levels, and our estimates are in line with those from prior studies.<sup><a href="#ioi180109r28" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">28</a></sup> Final incurred net costs in Part D may differ from the estimates presented here.</p> <a class="article-section-id-anchor" id="212233516"></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="212233517"></a> <p class="para">The limitations of the present study are unlikely to substantially change the overall conclusion that significant savings through rebates offered by manufacturers to Part D plans and their pharmacy benefit managers would be needed to justify the potential financial impact of this policy shift for the Medicare program and for beneficiaries. Recent analyses by the Congressional Budget Office<sup><a href="#ioi180109r29" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">29</a></sup> and the White House’s Office of Management and Budget<sup><a href="#ioi180109r30" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">30</a></sup> did not quantify the savings to the federal government from this policy. To achieve long-term cost-savings, additional reforms may need to be implemented simultaneously, through HHS rulemaking or legislation. Such reforms might include value-based pricing,<sup><a href="#ioi180109r31" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">31</a></sup> flexible formularies that improve the ability of plans to negotiate lower prices for drugs in protected classes, and reducing the government’s reinsurance subsidy in Part D, as has been proposed by the Medicare Payment Advisory Commission.<sup><a href="#ioi180109r32" class="ref-link section-jump-link" data-tab-toggle=".tab-nav-references">32</a></sup> Policy implementation (eg, through a demonstration project) should be accompanied by rigorous monitoring of patient health outcomes, access, and quality of care. In the interim, while the potentially offsetting effect of reforms on premiums would need to be assessed, HHS could consider capping out-of-pocket costs, or sharing some of the savings from increased rebates with beneficiaries. As it implements this proposal, HHS should ensure that the proposed reforms benefit both patients and payers.</p> <a class="article-section-id-anchor" id="212233518"></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> September 24, 2018.</p><p class="authorInfoSection"><strong>Corresponding Author:</strong> Aaron S. Kesselheim, MD, JD, MPH, Program on Regulation, Therapeutics, and Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, 1620 Tremont St, Ste 3030, Boston, MA 02120 (<a href="mailto:akesselheim@bwh.harvard.edu" target="_blank">akesselheim@bwh.harvard.edu</a>).</p><p class="parapublished-online"><strong>Published Online:</strong> January 14, 2019. doi:10.1001/jamainternmed.2018.6417</p><p class="paraauthor-contributions"><strong>Author Contributions</strong>: Mr Hwang had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.</p><p class="para"><i>Study concept and design:</i> Hwang, Jain, Kesselheim.</p><p class="para"><i>Acquisition, analysis, or interpretation of data:</i> All authors.</p><p class="para"><i>Drafting of the manuscript:</i> Hwang, Jain.</p><p class="para"><i>Critical revision of the manuscript for important intellectual content:</i> All authors.</p><p class="para"><i>Statistical analysis:</i> Hwang.</p><p class="para"><i>Obtained funding:</i> Kesselheim.</p><p class="para"><i>Administrative, technical, or material support:</i> Vokinger.</p><p class="para"><i>Supervision:</i> Kesselheim.</p><p class="parafinancial-disclosure"><strong>Conflict of Interest Disclosures:</strong> Mr Hwang reports prior employment by Blackstone and Bain Capital, which have invested in health care companies. Dr Jain reports an award in a business case competition sponsored by Merck. Dr Lauffenburger reports unrestricted research funding payable to her institution from AstraZeneca and Sanofi. Dr Kesselheim reports an honorarium for a talk at CVS Caremark in 2018, and grants from the FDA Office of Generic Drugs and Division of Health Communication (2013-2016). No other disclosures are reported.</p><p class="parafunding-statement"><strong>Funding/Support:</strong> This study was supported by an unrestricted grant from the Laura and John Arnold Foundation to Dr Kesselheim. Dr Kesselheim also receives support from the Harvard Program in Therapeutic Science and the Engelberg Foundation.</p><p class="para"><strong>Role of the Funder/Sponsor:</strong> The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.</p> <a class="article-section-id-anchor" id="212233519"></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="ioi180109r1">1.</a><div class="reference-content">Medicare Payment Advisory Commission. Databook: health care spending and the Medicare program. 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Analysis of Proposed Medicare Part B to Part D Shift With Associated Changes in Total Spending and Patient Cost-Sharing for Prescription Drugs | Pharmacoeconomics | JAMA Internal Medicine | JAMA Network