Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 3 Interventional Results available

Study of VI-0521 Compared to Placebo in Treatment of Obesity in Adults

ClinicalTrials.gov ID: NCT00554216

Public ClinicalTrials.gov record NCT00554216. 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 Jul 24, 2026, 6:05 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 Phase III Randomized, Double-Blind, Placebo-Controlled Multicenter Study to Determine the Safety and Efficacy of VI-0521 in the Treatment of Obesity in an Adult Population With BMI ≥ 35

Study identification

NCT ID
NCT00554216
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
VIVUS LLC
Industry
Enrollment
1,267 participants

Conditions and interventions

Conditions

Interventions

  • VI-0521 Drug
  • Placebo matched phentermine/topiramate Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 70 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
Oct 31, 2007
Primary completion
Apr 30, 2009
Completion
Apr 30, 2009
Last update posted
Sep 9, 2012

2007 – 2009

United States locations

U.S. sites
5
U.S. states
5
U.S. cities
5
Facility City State ZIP Site status
Research Site San Diego California 92130
Research Ridgefield Connecticut 06877
Research Site Durham North Carolina 27710
Research Site Toledo Ohio 43623
Research Site Austin Texas 78731

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 NCT00554216, 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 Sep 9, 2012 · Synced Jul 24, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00554216 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →