Long-Term Safety, Tolerability, and Durability of Treatment Effect of Olanzapine and Samidorphan: Results of a 4-Year Open-Label Study.

IF 4.5 2区 医学 Q1 PSYCHIATRY
Jacob S Ballon, René S Kahn, Christina Arevalo, Martin Dunbar, David McDonnell, Christoph U Correll
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引用次数: 0

Abstract

Objective: Evaluate long-term safety, tolerability, and durability of the effect of olanzapine/samidorphan (OLZ/SAM) for up to 4 years in patients with schizophrenia, schizophreniform disorder, or bipolar I disorder (BD-I).

Methods: This phase 3, multicenter, open-label, long-term extension (conducted June 2017-September 2023) assessed OLZ/SAM in patients completing the ENLIGHTEN clinical program. Patients received ≥2-4 years of additional treatment. Safety assessments included adverse event (AE) incidences and changes from baseline in body weight, waist circumference, and lipid/glycemic parameters. The durability of the effect was assessed using the Clinical Global Impressions-Severity (CGI-S) scale.

Results: Of 524 patients enrolled, 523 received ≥1 dose of OLZ/SAM. Of these, 460 (88%) patients had schizophrenia, 15 (3%) had schizophreniform disorder, and 48 (9%) had BD-I. Mean (SD) age was 35.1 (12.2) years. Mean (SD) OLZ/SAM exposure was 652.4 (454.8) days. Of 451 patients eligible for 2 years of treatment, 242 (53.7%) received it; of 335 patients eligible for 4 years, 109 (32.5%) received it. The most common AEs were weight increased (9.8%), headache (7.1%), anxiety (6.1%), insomnia (5.9%), somnolence (5.9%), nausea (5.7%), and weight decreased (5.7%). At 2 years, mean (SD) body weight change was 0.84 (6.84) kg; waist circumference change was -0.56 (6.24) cm. At 4 years, mean (SD) body weight change was 2.65 (8.12) kg; waist circumference change was 1.37 (8.65) cm. Changes in lipid/glycemic parameters were minimal. CGI-S scores remained stable.

Conclusion: OLZ/SAM maintained symptom control with a long-term safety profile over 4 years consistent with that of prior studies.

Trials Registration: ClinicalTrials.gov identifier: NCT03201757.

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来源期刊
Journal of Clinical Psychiatry
Journal of Clinical Psychiatry 医学-精神病学
CiteScore
7.40
自引率
1.90%
发文量
0
审稿时长
3-8 weeks
期刊介绍: For over 75 years, The Journal of Clinical Psychiatry has been a leading source of peer-reviewed articles offering the latest information on mental health topics to psychiatrists and other medical professionals.The Journal of Clinical Psychiatry is the leading psychiatric resource for clinical information and covers disorders including depression, bipolar disorder, schizophrenia, anxiety, addiction, posttraumatic stress disorder, and attention-deficit/hyperactivity disorder while exploring the newest advances in diagnosis and treatment.
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