Skip to main content
Poster 49

(#49) Safety, Tolerability, and Durability of Treatment Effect of Olanzapine and Samidorphan: A Patient Subgroup Analysis of a 4-Year Open-Label Study

Jacob Ballon, MD, MPH - Stanford University, Stanford, CA
Christina Arevalo, MS - Alkermes, Inc., Waltham, MA
Martin Dunbar, PhD - Alkermes, Inc., Waltham, MA
Alexandra Lovett, MD - Alkermes, Inc., Waltham, MA
David McDonnell, MD - Alkermes Pharma Ireland Ltd, Dublin, Ireland
Christoph Correll, MD - Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY; CharitÈ Universit‰tsmedizin, Berlin, Germany

Psych Congress Elevate 2025
Abstract: Objective: To analyze subgroup data from a 4-year, open-label study of combined olanzapine and samidorphan (OLZ/SAM) in adults with schizophrenia, schizophreniform disorder, or bipolar I disorder. Methods: Patients completing studies in the ENLIGHTEN clinical trial program were eligible to receive ?2ñ4 years of additional treatment in a phase 3, open-label study assessing OLZ/SAMís safety, tolerability, and durability of treatment effect. Prespecified subgroup analyses were conducted by age (18ñ29 or ?30 years), sex (male or female), race (Black/African American or non-Black/African American), baseline body mass index (BMI;