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Completed Phase 3 Interventional Results available

A Study of the Safety and Efficacy of Two Doses of Naltrexone SR/Bupropion SR and Placebo in Overweight and Obese Subjects

ClinicalTrials.gov ID: NCT00532779

Public ClinicalTrials.gov record NCT00532779. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jun 26, 2026, 2:31 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Multicenter, Randomized, Double Blind, Placebo Controlled Study Comparing the Safety and Efficacy of Two Doses of Naltrexone Sustained Release (SR)/Bupropion Sustained Release (SR) and Placebo in Obese Subjects

Study identification

NCT ID
NCT00532779
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Orexigen Therapeutics, Inc
Industry
Enrollment
1,742 participants

Conditions and interventions

Interventions

  • Naltrexone SR 16 mg/Bupropion SR 360 mg /day Drug
  • Naltrexone SR 32 mg/Bupropion SR 360 mg /day Drug
  • Placebo Drug
  • Ancillary therapy Behavioral

Drug · Behavioral

Eligibility (public fields only)

Age range
18 Years to 65 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 30, 2007
Primary completion
Apr 30, 2009
Completion
Apr 30, 2009
Last update posted
Nov 20, 2014

2007 – 2009

United States locations

U.S. sites
34
U.S. states
20
U.S. cities
31
Facility City State ZIP Site status
Radiant Research Birmingham Alabama 35209
SelfCenter, PC Fairhope Alabama 36532
Radiant Research, Phoenix Southeast Chandler Arizona 85225
Advanced Clinical Research Institute Anaheim California 92801
Advance Clinical Research Institute Orange California 92869
Scripps Clinic Del Mar San Diego California 92130
VA San Diego Healthcare System San Diego California 92161
Miami Research Associates Miami Florida 33143
University Clinical Research Pembroke Pines Florida 33024
Georgia Clinical Research Atlanta Georgia 30308
CSRA Partners in Health, Inc Augusta Georgia 30909
East-West Medical Research Institute Honolulu Hawaii 96814
Radiant Research Chicago Illinois 60610
Welborn Clinic Evansville Indiana 47713
Radiant Research Kansas City Overland Park Kansas 66202
Central Kentucky Research Associates, Inc. Lexington Kentucky 40509
Pennington Biomedical Research Center Baton Rouge Louisiana 70808
Medical Research Institute Slidell Louisiana 70458
Health Trends Research, LLC Baltimore Maryland 21209
FutureCare Studies Springfield Massachusetts 01103
Center for Nutrition and Metabolic Disorders Reno Nevada 89557
Center for Nutrition and Preventive Medicine Charlotte North Carolina 28211
Wake Research Associates, LLC Raleigh North Carolina 27612
Rapid Medical Research, Inc. Cleveland Ohio 44122
Central Ohio Nutrition Center, Inc. Columbus Ohio 43213
Lynn Health Science Institute Oklahoma City Oklahoma 73112
Summit Research Network (Oregon), Inc. Portland Oregon 97210
Internal Medicine Associates of Cordova Cordova Tennessee 38018
Jackson Clinic, PA Jackson Tennessee 38305
Covance Clinical Research Unit Austin Austin Texas 78752
Radiant Research Dallas Texas 75231
Baylor Endocrine Center Dallas Texas 75246
Radiant Research San Antonio Texas 78217
Oakwell Clinical Research San Antonio Texas 78218

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00532779, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 20, 2014 · Synced Jun 26, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00532779 live on ClinicalTrials.gov.

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