Abstract
ABSTRACT Introduction Although olanzapine remains one of the most efficacious antipsychotic medications for the treatment of schizophrenia, there are significant tolerability concerns related to its weight and metabolic profile. Olanzapine-samidorphan combination tablets (OLZ/SAM), branded as Lybalvi, is a newly FDA approved formulation aimed at attenuating antipsychotic induced weight gain via modulation of the endogenous opioid system with samidorphan, while retaining the robust antipsychotic efficacy of olanzapine. Areas covered We reviewed the published literature of OLZ/SAM for the management of schizophrenia using the US National Library of Medicine’s PubMed.gov resource. Topics covered in this narrative review include the pharmacokinetics, pharmacodynamics, efficacy, and tolerability of OLZ/SAM. Expert Opinion OLZ/SAM is an effective and well-tolerated pharmacologic option in mitigating olanzapine induced weight gain while retaining olanzapine’s efficacy. OLZ/SAM cumulatively tends to attenuate weight gain rather than promote weight loss. Effect on metabolic laboratory variables appears limited. Additional research will be needed to determine its effectiveness compared to alternative strategies to attenuate antipsychotic induced weight gain.
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