~9 spots leftby Apr 2026

Weight Loss for Obesity and Metabolic Syndrome

Recruiting in Palo Alto (17 mi)
SK
Overseen bySamuel Klein, M.D.
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Academic
Waitlist Available
Sponsor: Washington University School of Medicine
No Placebo Group
Approved in 2 Jurisdictions

Trial Summary

What is the purpose of this trial?

The purpose of this study is to learn more about how the body stores fat in and around organs (for example in the liver) and why this affects some people's health more than others. Understanding this may lead to better treatments for diseases such as diabetes and cardiovascular disease.

Research Team

SK

Samuel Klein, M.D.

Principal Investigator

Washington University School of Medicine

Eligibility Criteria

This trial is for adults with obesity, some of whom may be scheduled for bariatric or gallbladder surgery. Participants should have a BMI ≥30 kg/m2 and meet certain health criteria like normal blood sugar levels and liver fat content. It's not open to those with other liver diseases, alcohol abuse history, severe hypertriglyceridemia, recent cancer diagnosis, or who are pregnant.

Inclusion Criteria

I am obese but do not have diabetes, with a healthy liver and normal blood sugar levels.
I am lean, scheduled for specific surgery, with normal blood sugar and liver fat levels.
I am obese with a BMI of 35 or higher and scheduled for weight loss and gallbladder surgery.
See 2 more

Exclusion Criteria

I was diagnosed with cancer within the last 5 years.
I am not on any medications that could affect the study's outcome.
You have a history of drinking too much alcohol.
See 6 more

Treatment Details

Interventions

  • Weight loss (Behavioural Intervention)
Trial OverviewThe study investigates how the body stores fat in organs like the liver and its impact on health. The focus is on understanding obesity-related inflammation and cardiometabolic risk which could inform future treatments for diabetes and heart disease.
Participant Groups
6Treatment groups
Experimental Treatment
Active Control
Group I: Obese, scheduled for bariatric surgeryExperimental Treatment1 Intervention
Subjects with a body mass index ≥35.0 kg/m² undergoing bariatric surgery
Group II: Lean, metabolically normalActive Control1 Intervention
Subjects with body mass index 18.5 - 24.9 kg/m² and normal fasting blood glucose and oral glucose tolerance and liver fat.
Group III: Obese, metabolically abnormalActive Control1 Intervention
Subjects with body mass index ≥30.0 kg/m² and impaired fasting or oral glucose tolerance and increased liver fat.
Group IV: Obese, metabolically normalActive Control1 Intervention
Subjects with body mass index ≥30.0 kg/m² and normal fasting blood glucose and oral glucose tolerance and liver fat.
Group V: Obese, scheduled for gallbladder surgeryActive Control1 Intervention
Subjects with a body mass index ≥35.0 kg/m² undergoing gallbladder surgery
Group VI: Lean, scheduled for inguinal hernia, hysterectomy or myomectomy surgeryActive Control1 Intervention
Subjects with body mass index 18.5 - 24.9 kg/m² and normal fasting blood glucose and oral glucose tolerance and liver fat.

Weight loss is already approved in United States, European Union for the following indications:

🇺🇸 Approved in United States as Behavioral Weight Loss Program for:
  • Obesity
  • Weight Management
🇪🇺 Approved in European Union as Weight Management Program for:
  • Obesity
  • Overweight

Find a Clinic Near You

Research Locations NearbySelect from list below to view details:
Washington University School of MedicineSaint Louis, MO
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Who Is Running the Clinical Trial?

Washington University School of Medicine

Lead Sponsor

Trials
2027
Patients Recruited
2,353,000+

Pfizer

Industry Sponsor

Trials
4712
Patients Recruited
50,980,000+
Known For
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