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Marc De Hert,1 Anna Eramo,2 Wally Landsberg,3 Dusan Kostic,4 Lan-Feng Tsai,5 Ross A Baker4 1Department of Neurosciences, KU Leuven, Belgium; 2Lundbeck LLC, Deerfield, IL, USA; 3Otsuka Pharmaceutical Europe Ltd., Wexham, UK; 4Otsuka Pharmaceutical Development & Commercialization, Inc., Princeton, NJ, USA; 5Otsuka Pharmaceutical Development & Commercialization, Inc., Rockville, MD, USA Purpose: To assess the efficacy and safety of aripiprazole once-monthly 400 mg (AOM 400), an extended-release injectable suspension of aripiprazole, in obese and nonobese patients.Patients and methods: This post hoc analysis of a 38-week randomized, double-blind, active-controlled, noninferiority study (NCT00706654) compared the clinical profile of AOM 400 in obese (body mass index [BMI] ≥30 kg/m2) and nonobese (BMI 10% in any treatment group) were summarized.Results: At baseline of the randomized phase, obesity rates were similar among patients randomized to AOM 400 (n=95/265, 36%), oral aripiprazole (n=95/266, 36%), and AOM 50 mg (n=43/131, 33%). In both obese and nonobese patients, relapse rates through week 38 for patients randomized to AOM 400 (obese, 7.4%; nonobese, 8.8%) were similar to those in patients on oral aripiprazole (obese, 8.4%; nonobese, 7.6%), whereas relapse rates were significantly lower with AOM 400 versus AOM 50 mg (obese, 27.9% [P=0.0012]; nonobese, 19.3% [P=0.0153]). The most common TEAEs with AOM 400 in obese and nonobese patients were insomnia (12.6% and 11.2%), headache (12.6% and 8.2%), injection site pain (11.6% and 5.3%), akathisia (10.5% and 10.6%), upper respiratory tract infection (10.5% and 4.7%), weight increase (10.5% and 8.2%), and weight decrease (6.3% and 11.8%). Within the AOM 400 group, 7.6% of patients who were nonobese at baseline became obese, and 17.9% of obese patients became nonobese during randomized treatment. Conclusion: The clinical profile of AOM 400 was similar in obese and nonobese patients. Keywords: antipsychotic, long-acting injectable, schizophrenia, obesity, aripiprazole once-monthly |
