Dataset Information

Phentermine and topiramate extended-release: a new treatment for obesity and its role in a complications-centric approach to obesity medical management.

ABSTRACT:

Introduction

Weight-management options include lifestyle modifications, bariatric surgery and, until recently, limited pharmacotherapy. Phentermine and topiramate extended-release (phentermine/topiramate ER) has recently been approved in the USA for chronic weight management in obese adults and overweight adults with weight-related co-morbidities in conjunction with a reduced-calorie diet and increased physical activity.

Areas covered

This review describes the pharmacology and clinical trials data for phentermine/topiramate ER and its role in a complications-centric approach to medical care of the overweight and obese patient.

Expert opinion

Phentermine/topiramate ER is an effective and safe weight-loss medication that can produce and sustain approximately 10% loss of body weight. This is a landmark development in the pharmacotherapy of obesity. By offering an effective medical option to complement lifestyle and surgical approaches, phentermine/topiramate ER enables a comprehensive medical model for obesity care. The overall approach to the overweight and obese patient should be to identify individuals who will benefit most from therapy based on cardiometabolic or mechanical complications, establish therapeutic targets and goals for ameliorating these complications and selecting the treatment modality and intensity for weight loss to achieve these goals. This complications-centric model emphasizes weight loss as a tool to ameliorate obesity-related complications and optimizes benefit/risk for achieving the best outcomes in overweight/obese patients.

SUBMITTER: Garvey WT

PROVIDER: S-EPMC3786546 | biostudies-literature | 2013 Sep

REPOSITORIES: biostudies-literature

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Publications

Phentermine and topiramate extended-release: a new treatment for obesity and its role in a complications-centric approach to obesity medical management.

Garvey William Timothy WT

Expert opinion on drug safety 20130606 5

<h4>Introduction</h4>Weight-management options include lifestyle modifications, bariatric surgery and, until recently, limited pharmacotherapy. Phentermine and topiramate extended-release (phentermine/topiramate ER) has recently been approved in the USA for chronic weight management in obese adults and overweight adults with weight-related co-morbidities in conjunction with a reduced-calorie diet and increased physical activity.<h4>Areas covered</h4>This review describes the pharmacology and cli ...[more]

PMID: 23738843

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Project description:Study objectivesTo evaluate safety and efficacy of phentermine 15 mg plus extended-release topiramate 92 mg for treatment of moderate to severe obstructive sleep apnea (OSA) in obese adults.DesignThis phase 2, randomized, double-blind, placebo-controlled study included 2-week screening and 28-week treatment periods. Overnight polysomnography was performed at baseline, Week 8, and Week 28.SettingSingle-center study conducted from August 2008 to September 2009.ParticipantsForty-five subjects with moderate to severe OSA not receiving positive airway pressure (PAP) treatment with body mass index of 30-40 kg/m(2).InterventionsSubjects were randomized to receive placebo (n = 23) or phentermine 15 mg plus extended-release topiramate 92 mg (n = 22). Both groups received lifestyle-modification counseling.Measurements and resultsPrimary endpoint, change in apnea-hypopnea index (AHI), significantly favored phentermine 15 mg plus extended-release topiramate 92 mg (-31.5 events/h, 95% CI: -40.0, -22.9) over placebo (-16.6 events/h, 95% CI: -25.0, -8.2) at Week 28 (P =0.0084). At Week 28, there was a 10.2% (95% CI: -12.7, -7.6; 10.8 kg, 95% CI: -13.5, -8.0) mean decrease in weight in the phentermine 15 mg plus extended-release topiramate 92 mg group compared with 4.3% (95% CI: -6.6, -2.0; 4.7 kg, 95% CI: -7.2, -2.2) in the placebo group (P = 0.0006) and a positive, significant (P = 0.0003) correlation between percent change in weight and change in AHI. Significant improvements in overnight oxygen saturation and reduction in blood pressure compared with placebo were observed. Phentermine 15 mg plus extended-release topiramate 92 mg was well tolerated with low adverse event rates.ConclusionsPhentermine 15 mg plus extended-release topiramate 92 mg induced significant weight reductions and concomitant improvements in OSA and related symptoms vs placebo. This suggests weight loss mediated by phentermine 15 mg plus extended-release topiramate 92 mg may be useful in treatment of moderate to severe OSA in obese subjects unable or unwilling to comply with PAP treatment.

Dataset Information

Phentermine and topiramate extended-release: a new treatment for obesity and its role in a complications-centric approach to obesity medical management.

Introduction

Areas covered

Expert opinion

Publications

Phentermine and topiramate extended-release: a new treatment for obesity and its role in a complications-centric approach to obesity medical management.

Similar Datasets

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