NYMC Faculty Publications

An Overview of the Currently Available and Emerging Long-Acting Formulations of Risperidone for Schizophrenia and Bipolar Disorder

Author Type(s)

Faculty

DOI

10.1080/14737175.2024.2370349

Journal Title

Expert Review of Neurotherapeutics

First Page

761

Last Page

771

Document Type

Article

Publication Date

8-1-2024

Department

Psychiatry and Behavioral Sciences

Abstract

INTRODUCTION: Long-acting injectable (LAI) antipsychotic medications can help improve treatment adherence in patients with schizophrenia and bipolar disorder. Despite this, they are underutilized. In 2003, intramuscular risperidone became the first available LAI atypical antipsychotic medication, and since then, a number of competing long-acting risperidone formulations have been brought to market, with additional options under active development. These include intramuscular, subcutaneous, long-acting oral, and implantable formulations. AREAS COVERED: This review summarizes currently available and emerging long-acting risperidone formulations, including efficacy and safety data, and practical considerations aimed to help prescribers distinguish one formulation from another. EXPERT OPINION: There is an expanding number of currently available LAI antipsychotic medications giving patients and providers an opportunity to personalize and individualize care. Rates of adherence to treatment in patients with schizophrenia and bipolar disorder are low, and individualizing care can help improve this. The risperidone LAI treatment landscape includes five options approved by the U.S. Food and Drug Administration, with others under clinical development. These options differ in regard to mode of administration, approved indications, available dose strengths, injection intervals, needle size, injection volume, storage, and other variables. Prescribers should be familiar with these differing options to help patients find the best fit for their individual needs.

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