BLOSSOM: Behavioral Modification and Lorcaserin Second Study for Obesity Management

Summary

The purpose of this study is to assess the weight loss effect of lorcaserin during and at the end of 1 year of treatment in overweight and obese patients.

Timeline

Start

2008-01

Primary completion

2009-07

Completion

2009-08

Outcome

Met primary endpoint

registry NUMBER Lorcaserin 10 mg BID: 47.2 percentage of participants NUMBER Matching Placebo: 25.0 percentage of participants NCT00603902 ↗

registry analysis (unspecified test); Lorcaserin 10 mg BID vs Matching Placebo; p <0.0001; Odds Ratio, log 2.69 (95% CI 2.31 to 3.13); Regression, Logistic NCT00603902 ↗

Publications

• Weissman NJ, Smith SR, Fain R, Hall N, Shanahan WR. Effects of lorcaserin on pre-existing valvulopathy: A pooled analysis of phase 3 trials. Obesity (Silver Spring). 2017 Jan;25(1):39-44. doi: 10.1002/oby.21695. Epub 2016 Nov 26.
• Handelsman Y, Fain R, Wang Z, Li X, Fujioka K, Shanahan W. Lorcaserin treatment allows for decreased number needed to treat for weight and glycemic parameters in week 12 responders with >/=5% weight loss. Postgrad Med. 2016 Nov;128(8):740-746. doi: 10.1080/00325481.2016.1240591. Epub 2016 Oct 19.
• Nguyen CT, Zhou S, Shanahan W, Fain R. Lorcaserin in Obese and Overweight Patients Taking Prohibited Serotonergic Agents: A Retrospective Analysis. Clin Ther. 2016 Jun;38(6):1498-1509. doi: 10.1016/j.clinthera.2016.04.004. Epub 2016 May 17.
• Nesto R, Fain R, Li Y, Shanahan W. Evaluation of lorcaserin on progression of prediabetes to type 2 diabetes and reversion to euglycemia. Postgrad Med. 2016 May;128(4):364-70. doi: 10.1080/00325481.2016.1178590.
• Weissman NJ, Sanchez M, Koch GG, Smith SR, Shanahan WR, Anderson CM. Echocardiographic assessment of cardiac valvular regurgitation with lorcaserin from analysis of 3 phase 3 clinical trials. Circ Cardiovasc Imaging. 2013 Jul;6(4):560-7. doi: 10.1161/CIRCIMAGING.112.000128. Epub 2013 May 9.
• Fidler MC, Sanchez M, Raether B, Weissman NJ, Smith SR, Shanahan WR, Anderson CM; BLOSSOM Clinical Trial Group. A one-year randomized trial of lorcaserin for weight loss in obese and overweight adults: the BLOSSOM trial. J Clin Endocrinol Metab. 2011 Oct;96(10):3067-77. doi: 10.1210/jc.2011-1256. Epub 2011 Jul 27.

Drugs

Evaluation	Drug	Modality	Dose	Route
Subject	Lorcaserin	Small molecule	10 mg	—

Indications