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Dual Eligibles with Mental Disorders and Medicare Part D: How are They Faring? Julie Donohue University of Pittsburgh Haiden Huskamp Harvard Medical School Sam Zuvekas Agency for Healthcare Research and Quality
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Context 6 million Medicare beneficiaries dually eligible for Medicaid moved to Medicare Part D drug plans. 6 million Medicare beneficiaries dually eligible for Medicaid moved to Medicare Part D drug plans. Random assignment to one of multiple benchmark plans, can switch Random assignment to one of multiple benchmark plans, can switch Estimated 60% of disabled and 20% of elderly dual- eligibles have mental disorders Estimated 60% of disabled and 20% of elderly dual- eligibles have mental disorders Protections Protections – “All or substantially all” rule for antidepressants, antipsychotics, and anticonvulsants – Fixed copay for generics, slightly higher for branded drugs, can’t use cost-sharing tiers – Risk adjusted payments to PDPs
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Medication Use and Spending: U.S. Community Population % With Use Total Spending $ Percent Distribution of Spending by Source OOPMedicareMedicaidPrivateOther 2005 Antidepressants (all)8.513.3b36214436 Antipsychotics (all)1.35.5b23155146 Anticonvulsants2.75.5b29233307 ALL PRESCRIPTION DRUGS63.1213b39314377 2006 Antidepressants (all)8.413.2b3516*8*36*5 Antipsychotics (all)1.35.7b2621*26*207 Anticonvulsants2.85.7b3416*19*265 ALL PRESCRIPTION DRUGS 62.6224b 35* 20* 7* 33*6* SOURCE: Medical Expenditure Panel Survey 2005-2006
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Medication Use and Spending: Medicare Community Population % With Use Total Spending $ Percent Distribution of Spending by Source OOPMedicareMedicaidPrivateOther 2005 Antidepressants (all)16.03.8b418182310 Antipsychotics (all)3.32.1b2546443 Anticonvulsants7.02.1b29435229 ALL PRESCRIPTION DRUGS91.088.5b437162311 2006 Antidepressants (all)18.1*4.1b32*52*1*10*5 Antipsychotics (all)3.61.9b2261*6*47 Anticonvulsants7.21.9b3148*2*127 ALL PRESCRIPTION DRUGS 91.296.3b 31* 45* 7* 14*8* SOURCE: Medical Expenditure Panel Survey 2005-2006
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Medication Use and Spending: Dual Eligible Community Population % With Use Total Spending $ Percent Distribution of Spending by Source OOPMedicareMedicaidPrivateOther 2005 Antidepressants (all)18.80.9b2057032 Antipsychotics (all)8.51.5b1228401 Anticonvulsants13.00.9b1538210 ALL PRESCRIPTION DRUGS88.018.7b1957312 2006 Antidepressants (all)20.81.0b9*84*5*03 Antipsychotics (all)8.41.0b683*11*00 Anticonvulsants11.50.6b*1278*7*12 ALL PRESCRIPTION DRUGS 87.017.7b 17 77* 5* 0*1 SOURCE: Medical Expenditure Panel Survey 2005-2006
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Formulary Coverage of Selected Atypical Antipsychotics Drug Product % Covered (Yes/No) ‘06‘07‘08 Abilify100% Abilify DiscmeltN/A83%100% Risperdal100% Risperdal Consta (IM)93%100% Risperdal M-TAB ODT93%100% Zyprexa100% Zyprexa IM74%90%100% Zyprexa Zydis84%100% SOURCE: January 2006, 2007, and 2008 CMS Prescription Drug Formulary and Pharmacy Network Files
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Formulary Coverage of Selected Antidepressants Drug Product % Covered (Yes/No) ‘06‘07‘08 Celexa17%29%28% Citalopram100% Lexapro71%83%88% Cymbalta100% Paroxetine100% Paxil17%29%28% Paxil CR64%59%52% SOURCE: January 2006, 2007, and 2008 CMS Prescription Drug Formulary and Pharmacy Network Files
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Use of Utilization Management Tools for Selected Atypical Antipsychotics Of Plans that Cover Drug, % that Require Each Utilization Management Tool Drug ProductPrior AuthorizationStep Therapy ‘06‘07‘08‘06‘07‘08 Abilify14% 12%0%5%7% Abilify DiscmeltN/A16%18%N/A5%7% Risperdal11%0% 0.5%0% Risperdal Consta (IM)26%17%15%0.5%0% Risperdal M-TAB ODT11%6% 0.5%0% Zyprexa11%10%7%0.5%3%7% Zyprexa IM23%16%7%0.5%4%7% Zyprexa Zydis7%19%18%0.5%0.2%2% SOURCE: January 2006, 2007, and 2008 CMS Prescription Drug Formulary and Pharmacy Network Files
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Use of Utilization Management Tools for Selected Antidepressants Of Plans that Cover Drug, % that Require Each Utilization Management Tool Drug ProductPrior AuthorizationStep Therapy ‘06‘07‘08‘06‘07‘08 Celexa0%2% 0%3%51% Citalopram0% 1%0% Lexapro0% 14%26% Cymbalta15%1%2%0%24%33% Paroxetine0% 4%0% Paxil0%2% 0%3%51% Paxil CR5%0%1%5%7%39% SOURCE: January 2006, 2007, and 2008 CMS Prescription Drug Formulary and Pharmacy Network Files
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Percentage of Benchmark PDPs Requiring Either Step Therapy or Prior Authorization for Any Drug SOURCE: January 2006, 2007, and 2008 CMS Prescription Drug Formulary and Pharmacy Network Files
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Other Findings from the Literature Medication Discontinuities Medication Discontinuities – Some evidence of problems accessing particular medications (Hall et al 2007; West 2007, 2009) Psychotropic Drug Prices Psychotropic Drug Prices – Frank and Newhouse (2008) some evidence that prices for antipsychotics increased under Part D Plan Choice Plan Choice – Most Dual Eligibles assigned randomly, few switch plans (11% in 2006, Neuman et al. 2007) – Reduction in the Number of Benchmark Plans 409 plans in 2006 => 308 in 2009 409 plans in 2006 => 308 in 2009 2009 Six states have <=5 plans, Nevada has 1 2009 Six states have <=5 plans, Nevada has 1
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Summary and Implications: Out-of-Pocket Costs Major Change in Financing of Psychotropic Medications: Major Change in Financing of Psychotropic Medications: – Out of pocket costs decreased for non dual- eligibles – Out of pocket costs flat for dual-eligibles – Some indirect evidence of medication discontinuities
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Summary and Implications: Formulary Coverage Formulary coverage relatively generous Formulary coverage relatively generous – But gaps for some formulations – Increasing use of utilization management Consider monitoring prior authorization approval rates, include in plan performance Consider alternatives to random assignment
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Summary and Implications: PDP Market PDPs exiting from market PDPs exiting from market – Limits choice – Reassignment may lead to medication discontinuities – Doubling of PDP risk corridors in 2008 exposes plans to greater risk and may lead to further plan exits if risk adjustment doesn’t accurately reflect dual eligibles expected costs Consider changes in risk adjustment systems to include drug utilization Consider exposing PDPs to less risk for dual- eligibles
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More Information Donohue, Julie M, Haiden A. Huskamp and Samuel H. Zuvekas. 2009. “Dual Eligibles with Mental Disorders and Medicare Part D: How Are They Faring?” Health Affairs 28(May/June): 746-759.
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