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Use Of Atypical Antipsychotic Drugs For Schizophrenia In Maine Medicaid Following A Policy Change
Stephen B. Soumerai,
Fang Zhang,
Dennis Ross-Degnan,
Daniel E. Ball,
Robert F. LeCates,
Michael R. Law,
Tom E. Hughes,
Daniel Chapman and
Alyce S. Adams
More than one-third of Medicaid programs and Medicare Part D plans use prior authorization (PA) policies to control the use of atypical antipsychotics (AAs). We used Medicaid and Medicare claims data to investigate how Maines PA policy affected AA use, treatment discontinuities, and spending among schizophrenia patients initiating AA therapy. Patients initiating AAs during Maines policy experienced a 29 percent greater risk of treatment discontinuity than patients initiating AAs before the policy took effect; no change occurred in a comparison state. AA spending was slightly lower in both states. Observed increases in treatment discontinuities without cost savings suggest that AAs should be exempt from PA for patients with severe mental illnesses.

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Comments:
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- Atypical Antipsychotic Study Misses Mark
- Timothy S. Clifford, M.D.
- Health Affairs, 9 Apr 2008
[Full text]
- Evidence Of Adverse Effect Of PA Policy In Maine Is Weak
- Robert A. Rosenheck
- Health Affairs, 9 Apr 2008
[Full text]
- Letter Writers On Antipsychotic PA Policy Study Corroborate Our Evidence
- Stephen B. Soumerai
- Health Affairs, 21 Apr 2008
[Full text]
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