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McIntyre RS, Kwan ATH, Rosenblat JD, Teopiz KM, Mansur RB. Psychotropic Drug-Related Weight Gain and Its Treatment. Am J Psychiatry 2024; 181:26-38. [PMID: 38161305 DOI: 10.1176/appi.ajp.20230922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Psychotropic drug-related weight gain (PDWG) is a common occurrence and is highly associated with non-initiation, discontinuation, and dissatisfaction with psychiatric drugs. Moreover, PDWG intersects with the elevated risk for obesity and associated morbidity that has been amply reported in the psychiatric population. Evidence indicates that differential liability for PDWG exists for antipsychotics, antidepressants, and anticonvulsants. During the past two decades, agents within these classes have become available with significantly lower or no liability for PDWG and as such should be prioritized. Although lithium is associated with weight gain, the overall extent of weight gain is significantly lower than previously estimated. The benefit of lifestyle and behavioral modification for obesity and/or PDWG in psychiatric populations is established, with effectiveness similar to that in the general population. Metformin is the most studied pharmacological treatment in the prevention and treatment of PDWG, and promising data are emerging for glucagon-like peptide-1 (GLP-1) receptor agonists (e.g., liraglutide, exenatide, semaglutide). Most pharmacologic antidotes for PDWG are supported with low-confidence data (e.g., topiramate, histamine-2 receptor antagonists). Future vistas for pharmacologic treatment for PDWG include large, adequately controlled studies with GLP-1 receptor agonists and possibly GLP-1/glucose-dependent insulinotropic polypeptide co-agonists (e.g., tirzepatide) as well as specific dietary modifications.
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Affiliation(s)
- Roger S McIntyre
- Department of Psychiatry (McIntyre, Rosenblat, Mansur) and Department of Pharmacology and Toxicology (McIntyre, Rosenblat, Mansur), University of Toronto, Toronto; Brain and Cognition Discovery Foundation, Toronto (McIntyre, Kwan, Teopiz); Faculty of Medicine, University of Ottawa, Ottawa (Kwan)
| | - Angela T H Kwan
- Department of Psychiatry (McIntyre, Rosenblat, Mansur) and Department of Pharmacology and Toxicology (McIntyre, Rosenblat, Mansur), University of Toronto, Toronto; Brain and Cognition Discovery Foundation, Toronto (McIntyre, Kwan, Teopiz); Faculty of Medicine, University of Ottawa, Ottawa (Kwan)
| | - Joshua D Rosenblat
- Department of Psychiatry (McIntyre, Rosenblat, Mansur) and Department of Pharmacology and Toxicology (McIntyre, Rosenblat, Mansur), University of Toronto, Toronto; Brain and Cognition Discovery Foundation, Toronto (McIntyre, Kwan, Teopiz); Faculty of Medicine, University of Ottawa, Ottawa (Kwan)
| | - Kayla M Teopiz
- Department of Psychiatry (McIntyre, Rosenblat, Mansur) and Department of Pharmacology and Toxicology (McIntyre, Rosenblat, Mansur), University of Toronto, Toronto; Brain and Cognition Discovery Foundation, Toronto (McIntyre, Kwan, Teopiz); Faculty of Medicine, University of Ottawa, Ottawa (Kwan)
| | - Rodrigo B Mansur
- Department of Psychiatry (McIntyre, Rosenblat, Mansur) and Department of Pharmacology and Toxicology (McIntyre, Rosenblat, Mansur), University of Toronto, Toronto; Brain and Cognition Discovery Foundation, Toronto (McIntyre, Kwan, Teopiz); Faculty of Medicine, University of Ottawa, Ottawa (Kwan)
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Gupta D, Singh A. Olanzapine-Samidorphan for Schizophrenia: A Systematic Review and Meta-Analysis. Indian J Psychol Med 2024; 46:14-23. [PMID: 38524957 PMCID: PMC10958078 DOI: 10.1177/02537176231201326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/26/2024] Open
Abstract
Background and Objective United States Food and Drug Administration (USFDA) recently approved a novel combination of olanzapine-samidorphan (OLZSAM) for managing olanzapine-associated adverse events (weight gain) in adult patients with schizophrenia and bipolar disorder. To opine about the safety and efficacy of OLZSAM, authors performed a systematic review and meta-analysis to convene justifiable evidence. Methods A thorough literature search was performed through the databases Embase, Cochrane Library, PubMed, and clinicaltrials.gov, from inception to September 2022, with the keywords: 'olanzapine and samidorphan' and schizophrenia; and "ALKS3831" and "lybalvi." Clinical trials published in English that analyzed the efficacy and safety of OLZSAM were included. The significant outcomes included in this study were change from baseline (CFB) in Positive and Negative Syndrome Scale (PANSS) at the end of the study, the proportion of patients with weight gain at the end of the study, the proportion of patients with at least one adverse event, and the incidence of drug discontinuation due to adverse events. Results The change in PANSS score at the end of the study was comparable among groups receiving OLZSAM and olanzapine alone: standardized mean difference (SMD) = 0.04; 95% CI = -0.09 to 0.17; p = 0.57. The OLZSAM group reported less incidence of weight gain: risk ratio (RR) = 0.91; 95% CI = 0.62-1.34; p = 0.63, and any adverse event: RR = 0.99; 95% CI = 0.90-1.09; p = 0.81. Drug discontinuation incidence was higher in the OLZSAM group: RR = 1.22; 95% CI = 0.84-1.79; p = 0.30. Conclusions The combination OLZSAM showed comparable efficacy to olanzapine alone in schizophrenia patients, with relatively less incidence of weight gain and adverse events; however, the drug discontinuation due to adverse events was more in the OLZSAM group.
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Affiliation(s)
- Dhyuti Gupta
- Dept. of Pharmacology, Teerthanker Mahaveer Medical College and Research Centre, Moradabad, Uttar Pradesh, India
| | - Alok Singh
- Dept. of Pharmacology, All India Institute of Medical Sciences, Raipur, Chhattisgarh, India
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Todtenkopf MS, Correll CU, Harris-White ME, Doane MJ, McDonnell D. Comment on "Opioid antagonists to prevent olanzapine-induced weight gain: A systematic review". Ment Health Clin 2023; 13:196-197. [PMID: 37860589 PMCID: PMC10583260 DOI: 10.9740/mhc.2023.08.196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 05/05/2023] [Indexed: 10/21/2023] Open
Affiliation(s)
- Mark S. Todtenkopf
- Director, Scientific Communications, Alkermes Inc, Waltham, Massachusetts
| | - Christoph U. Correll
- Professor of Psychiatry, The Zucker Hillside Hospital, Department of Psychiatry, Northwell Health, Glen Oaks, New York; Professor of Psychiatry and Molecular Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Department of Psychiatry and Molecular Medicine, Hempstead, New York; Professor of Child and Adolescent Psychiatry and Department Chair, Charité Universitätsmedizin Berlin, Department of Child and Adolescent Psychiatry, Berlin, Germany
| | | | - Michael J. Doane
- Director, Health Economics & Outcomes Research, Alkermes Inc, Waltham, Massachusetts
| | - David McDonnell
- (Corresponding author) Executive Medical Director, Alkermes Pharma Ireland Ltd, Dublin, Ireland,
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