NCT00553787

Brief Summary

The purpose of this study is to evaluate the efficacy and safety of VI0521 compared to placebo in treatment of obesity in an adult population with obesity related co-morbid conditions.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
2,487

participants targeted

Target at P75+ for phase_3 obesity

Timeline
Completed

Started Nov 2007

Shorter than P25 for phase_3 obesity

Geographic Reach
1 country

6 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2007

Completed
2 days until next milestone

First Submitted

Initial submission to the registry

November 3, 2007

Completed
3 days until next milestone

First Posted

Study publicly available on registry

November 6, 2007

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2009

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2009

Completed
3.3 years until next milestone

Results Posted

Study results publicly available

September 6, 2012

Completed
Last Updated

September 10, 2012

Status Verified

September 1, 2012

Enrollment Period

1.6 years

First QC Date

November 3, 2007

Results QC Date

July 31, 2012

Last Update Submit

September 5, 2012

Conditions

Keywords

Obesity, Type 2 diabetes

Outcome Measures

Primary Outcomes (2)

  • Percent Weight Loss From Baseline to Week 56

    Baseline to 56 weeks

  • Percentage of Subjects With a Weight Loss of at Least 5% at Week 56 With LOCF

    Baseline to 56 weeks

Study Arms (3)

VI-0521 Top

EXPERIMENTAL

high dose experimental treatment

Drug: VI-0521

VI-0521 Mid

EXPERIMENTAL

mid dose experimental treatment

Drug: VI-0521

Placebo

PLACEBO COMPARATOR

Placebo

Drug: VI-0521

Interventions

phentermine 15 mg and topiramate 92 mg, po once daily

VI-0521 Top

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Informed Consent
  • BMI ≥ 27 (no lower BMI limit for Type 2 diabetics)
  • years of age or less
  • Have 2 or more of the following obesity-related co-morbid conditions:
  • Systolic blood pressure 140-160 mmHg (130-160 if diabetic);
  • Diastolic blood pressure 90-100 mmHg (85-100 if diabetic);
  • Requirement for 2 or more medications to achieve control (\<140/90 mmHg)
  • Triglyceride level between 200-400 mg/dL or requirement for 2 or more medications to achieve control (\<200 mg/dL)
  • At lease one of the following metabolic criteria:
  • Fasting blood glucose level \> 100 mg/dL
  • Glucose level \> 140 mg/dL
  • Diagnosis of type 2 diabetes
  • Waist circumference ≥ 102 cm for men or ≥88 cm for women

You may not qualify if:

  • Stroke/MI/unstable cardiovascular disease within 6 months
  • Clinically significant renal, hepatic or psychiatric disease
  • Unstable thyroid disease or replacement therapy
  • Nephrolithiasis
  • Obesity of known genetic or endocrine origin
  • Participation in a formal weight loss program or lifestyle intervention
  • Glaucoma or intraocular pressure
  • Pregnancy or breastfeeding
  • Drug or Alcohol abuse
  • Smoking cessation within previous 3 months or plans to quit smoking during study
  • Eating disorders
  • Cholelithiasis within past 6 months
  • Excluded medications
  • Type 1 diabetes or use of any antidiabetic medication other than metformin
  • Previous bariatric surgery
  • +4 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (6)

Research Site

Birmingham, Alabama, 35294, United States

Location

Research Site

Ridgefield, Connecticut, 06877, United States

Location

Research Site

New York, New York, 10025, United States

Location

Research Site

Durham, North Carolina, 27710, United States

Location

Research Site

Toledo, Ohio, 43623, United States

Location

Research Site

Austin, Texas, 78731, United States

Location

Related Publications (3)

  • Guo F, Garvey WT. Cardiometabolic Disease Staging Predicts Effectiveness of Weight-Loss Therapy to Prevent Type 2 Diabetes: Pooled Results From Phase III Clinical Trials Assessing Phentermine/Topiramate Extended Release. Diabetes Care. 2017 Jul;40(7):856-862. doi: 10.2337/dc17-0088. Epub 2017 Apr 28.

  • Garvey WT, Ryan DH, Bohannon NJ, Kushner RF, Rueger M, Dvorak RV, Troupin B. Weight-loss therapy in type 2 diabetes: effects of phentermine and topiramate extended release. Diabetes Care. 2014 Dec;37(12):3309-16. doi: 10.2337/dc14-0930. Epub 2014 Sep 23.

  • Gadde KM, Allison DB, Ryan DH, Peterson CA, Troupin B, Schwiers ML, Day WW. Effects of low-dose, controlled-release, phentermine plus topiramate combination on weight and associated comorbidities in overweight and obese adults (CONQUER): a randomised, placebo-controlled, phase 3 trial. Lancet. 2011 Apr 16;377(9774):1341-52. doi: 10.1016/S0140-6736(11)60205-5. Epub 2011 Apr 8.

MeSH Terms

Conditions

ObesityDiabetes Mellitus, Type 2

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsDiabetes MellitusGlucose Metabolism DisordersMetabolic DiseasesEndocrine System Diseases

Results Point of Contact

Title
Wesley W Day PhD
Organization
Vivus, Inc

Study Officials

  • Craig Peterson

    VIVUS LLC

    STUDY DIRECTOR
  • Kishore Gadde, MD

    Duke University

    STUDY CHAIR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 3, 2007

First Posted

November 6, 2007

Study Start

November 1, 2007

Primary Completion

June 1, 2009

Study Completion

June 1, 2009

Last Updated

September 10, 2012

Results First Posted

September 6, 2012

Record last verified: 2012-09

Locations