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Sponsored by: |
Johnson & Johnson Pharmaceutical Research & Development, L.L.C. |
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Information provided by: | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. |
ClinicalTrials.gov Identifier: | NCT00236600 |
The purpose of this study is to compare the efficacy and safety of topiramate 96mg and 192mg daily) with placebo in the treatment of obesity following an intensive non-pharmacologic weight loss program.
Condition | Intervention | Phase |
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Obesity |
Drug: topiramate |
Phase III |
Study Type: | Interventional |
Study Design: | Treatment, Randomized, Double-Blind, Placebo Control, Parallel Assignment, Safety/Efficacy Study |
Official Title: | A Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study of Efficacy and Safety of Topiramate in Weight Loss Maintenance in Obese Patients Following Participation in an Intensive, Non-Pharmacologic Weight Loss Program |
Estimated Enrollment: | 462 |
Study Start Date: | August 2000 |
Estimated Study Completion Date: | June 2002 |
Although dietary modification coupled with increased exercise is the preferred treatment of obesity, these lifestyle changes alone are often insufficient in achieving and maintaining weight reduction in obese patients. Topiramate is not approved for the treatment of obesity. This double-blind, placebo controlled study will evaluate the effectiveness and safety of topiramate in maintaining weight loss achieved by an intensive non-drug weight reduction program. Enrolled patients will undergo run-in phase (8 weeks of intensive non-drug weight reduction therapy consisting of a low calorie diet, a behavioral modification program, and an exercise program). Those patients who achieve weight loss of >= 8% of enrollment body weight and meeting the eligibility criteria will be randomized to either 96mg or 192mg of topiramate, or placebo. After 8 weeks of dose titration, the patients will receive one year of treatment. Effectiveness will be assessed by body weight, Body Mass Index (BMI), number and proportion of 5%, 10% and 15% weight loss responders, number and proportion of patients who maintain 50%, 75%, and 100% of weight lost during run-in phase, waist and hip circumferences, fasting lipid profile, fasting plasma glucose, HbA1c, fasting insulin, two-hour glucose tolerance test, uric acid level, blood pressure, body composition, echocardiography, and Health Related Quality of Life scores. Safety evaluations (incidence of adverse events, electrocardiograms, vital signs, etc) will be performed throughout the study. The study hypothesis is that topiramate is more effective than placebo in maintaining weight reduction in obese patients following intensive non-drug weight reduction program.
During the initial 8 weeks, the doses of topiramate or placebo will be gradually increased to the target doses (either 96mg or 192mg) daily by mouth and the doses will be maintained for one year.
Ages Eligible for Study: | 18 Years to 75 Years |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
Exclusion Criteria:
Study Director: | Johnson & Johnson Pharmaceutical Research and Development, L.L.C. Clinical Trial | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. |
Study ID Numbers: | CR003706 |
Study First Received: | October 7, 2005 |
Last Updated: | May 11, 2007 |
ClinicalTrials.gov Identifier: | NCT00236600 |
Health Authority: | United States: Institutional Review Board |
Hyperlipidemia Obesity Type 2 Diabetes Hypertension Life style modification |
Obesity Hyperlipidemias Diabetes Mellitus Overweight Body Weight Signs and Symptoms Diabetes Mellitus, Type 2 |
Weight Loss Body Weight Changes Nutrition Disorders Topiramate Overnutrition Hypertension |
Anti-Obesity Agents Therapeutic Uses Physiological Effects of Drugs Protective Agents |
Neuroprotective Agents Central Nervous System Agents Pharmacologic Actions Anticonvulsants |