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Journal Article
Research Support, Non-U.S. Gov't
Review
Review of outcomes associated with restricted access to atypical antipsychotics.
American Journal of Managed Care 2016 June 2
OBJECTIVES: Cost containment policies, such as prior authorization (PA), have increasingly been used by formulary decision makers to manage drug spending of the atypical antipsychotic (AAP) drug class. However, these drug cost containment policies may result in cost shifting rather than cost savings. Given the interest in coordination of care, the objective of this study was to evaluate the impact of restricted access to AAPs on healthcare costs and health outcomes in individuals with schizophrenia or bipolar disorder.
STUDY DESIGN: Narrative literature review.
METHODS: A literature search was conducted using MEDLINE (via PubMed) for studies published between January 1993 and December 2013.
RESULTS: A total of 15 published studies were identified that evaluated restricted access to AAPs in regard to healthcare costs or health outcomes: 11 studies assessed PAs, 2 studies assessed carve-outs, 1 study assessed a payment limit (cap), and 1 study assessed Medicare Part D cost sharing. Among 8 studies evaluating changes in pharmacy costs and clinical outcomes, 5 studies reported that formulary restrictions were associated with pharmacy cost savings and increases in healthcare utilization or treatment discontinuation. Of the 4 studies that measured overall cost changes, 3 studies reported increases in overall cost burden and 1 study showed modest cost savings associated with formulary restrictions.
CONCLUSIONS: Study findings revealed there exists a gap in the literature as to whether restricted access to AAPs results in overall cost savings or, rather, shifts the cost burden from pharmacy spending to other parts of the healthcare system, such as service utilization.
STUDY DESIGN: Narrative literature review.
METHODS: A literature search was conducted using MEDLINE (via PubMed) for studies published between January 1993 and December 2013.
RESULTS: A total of 15 published studies were identified that evaluated restricted access to AAPs in regard to healthcare costs or health outcomes: 11 studies assessed PAs, 2 studies assessed carve-outs, 1 study assessed a payment limit (cap), and 1 study assessed Medicare Part D cost sharing. Among 8 studies evaluating changes in pharmacy costs and clinical outcomes, 5 studies reported that formulary restrictions were associated with pharmacy cost savings and increases in healthcare utilization or treatment discontinuation. Of the 4 studies that measured overall cost changes, 3 studies reported increases in overall cost burden and 1 study showed modest cost savings associated with formulary restrictions.
CONCLUSIONS: Study findings revealed there exists a gap in the literature as to whether restricted access to AAPs results in overall cost savings or, rather, shifts the cost burden from pharmacy spending to other parts of the healthcare system, such as service utilization.
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