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Medicaid cost control measures aimed at second-generation antipsychotics led to less use of all antipsychotics.

ABSTRACT: "Atypical" or second-generation antipsychotics are a class of drug introduced in the 1990 s for the treatment of schizophrenia. Given their growing use and rising cost, these and other psychotherapeutic drugs are increasingly subject to prior authorization and other restrictions in state Medicaid programs. To evaluate the effects of these policies, we collected drug-level information on their use and on utilization management strategies--for example, requirements for prior authorization, quantity limits, and so-called step therapy--in thirty state Medicaid programs between 1999 and 2008. In the eleven states that instituted prior authorization during that period, use of atypicals per enrollee rose by 14 percent, versus 19 percent in the other nineteen states. Prior authorization also had spillover effects, in that reduced use of drugs subject to this requirement was not fully offset by the substitution of other atypicals or of typical antipsychotics. To understand the impact on patients and the resulting use of health services, studies should be undertaken of a large, national sample of Medicaid enrollees being treated with atypical antipsychotics. Comparative effectiveness research should guide physicians and health plans on appropriate first treatments, while prior authorization policies should focus on moving patients to appropriate second-line therapies when necessary.

SUBMITTER: Vogt WB

PROVIDER: S-EPMC3883626 | biostudies-other | 2011 Dec

REPOSITORIES: biostudies-other

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Medicaid cost control measures aimed at second-generation antipsychotics led to less use of all antipsychotics.

Vogt William B WB Joyce Geoffrey G Xia Jing J Dirani Riad R Wan George G Goldman Dana P DP

Health affairs (Project Hope) 20111201 12

"Atypical" or second-generation antipsychotics are a class of drug introduced in the 1990 s for the treatment of schizophrenia. Given their growing use and rising cost, these and other psychotherapeutic drugs are increasingly subject to prior authorization and other restrictions in state Medicaid programs. To evaluate the effects of these policies, we collected drug-level information on their use and on utilization management strategies--for example, requirements for prior authorization, quantit ...[more]

PMID: 22147863

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Project description:Reducing overuse of second-generation antipsychotics among Medicaid-enrolled children is a national priority, yet little is known about how service organization affects use. This study compared differences in second-generation antipsychotic utilization among Medicaid-enrolled children across fee-for-service, integrated managed care, and managed behavioral health carve-out organizational structures.Organizational structures of Medicaid programs in 82 diverse counties in 34 states were categorized and linked to child-level cross-sectional claims data from the Medicaid Analytic Extract covering fiscal years 2004, 2006, and 2008. To approximate the population at risk of antipsychotic treatment, the sample was restricted to stimulant-using children ages three to 18 (N=419,226). The sample was stratified by Medicaid eligibility group, and logistic regression models were estimated for probability of second-generation antipsychotic use. Models included indicators of county-level organizational structure as main predictors, with sequential adjustment for personal and county-level covariates.With adjustment for person-level covariates, second-generation antipsychotic use was 31% higher among youths in foster care in fee-for-service counties than for youths in counties with carve-outs (odds ratio [OR]=1.69, 95% confidence interval [CI]=1.26-2.27). Foster care youths in integrated counties had the second highest adjusted odds (OR=1.31, CI=1.08-1.58). Similar patterns of use also were found for youths eligible for Supplemental Security Income but not for those eligible for Temporary Assistance for Needy Families. Differences persisted after adjustment for county-level characteristics.Carve-outs, versus other arrangements, were associated with lower second-generation antipsychotic use. Future research should explore carve-out features (for example, tighter management of inpatient or restricted access, as well as care coordination) contributing to lower second-generation antipsychotic use.

Project description:Few controlled trials compared second-generation antipsychotics (SGAs) with first-generation antipsychotics (FGAs) regarding relapse prevention in schizophrenia. We conducted a systematic review/meta-analysis of randomized trials, lasting ?6 months comparing SGAs with FGAs in schizophrenia. Primary outcome was study-defined relapse; secondary outcomes included relapse at 3, 6 and 12 months; treatment failure; hospitalization; and dropout owing to any cause, non-adherence and intolerability. Pooled relative risk (RR) (±95% confidence intervals (CIs)) was calculated using random-effects model, with numbers-needed-to-treat (NNT) calculations where appropriate. Across 23 studies (n=4504, mean duration=61.9±22.4 weeks), none of the individual SGAs outperformed FGAs (mainly haloperidol) regarding study-defined relapse, except for isolated, single trial-based superiority, and except for risperidone's superiority at 3 and 6 months when requiring ?3 trials. Grouped together, however, SGAs prevented relapse more than FGAs (29.0 versus 37.5%, RR=0.80, CI: 0.70-0.91, P=0.0007, I(2)=37%; NNT=17, CI: 10-50, P=0.003). SGAs were also superior regarding relapse at 3, 6 and 12 months (P=0.04, P<0.0001, P=0.0001), treatment failure (P=0.003) and hospitalization (P=0.004). SGAs showed trend-level superiority for dropout owing to intolerability (P=0.05). Superiority of SGAs regarding relapse was modest (NNT=17), but confirmed in double-blind trials, first- and multi-episode patients, using preferentially or exclusively raw or estimated relapse rates, and for different haloperidol equivalent comparator doses. There was no significant heterogeneity or publication bias. The relevance of the somewhat greater efficacy of SGAs over FGAs on several key outcomes depends on whether SGAs form a meaningful group and whether mid- or low-potency FGAs differ from haloperidol. Regardless, treatment selection needs to be individualized considering patient- and medication-related factors.

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Medicaid cost control measures aimed at second-generation antipsychotics led to less use of all antipsychotics.

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Medicaid cost control measures aimed at second-generation antipsychotics led to less use of all antipsychotics.

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