Cohort study on obesity, diabetes, and inflammation across different ethnicities

Development of a Multi-Ethnic, Multimodal Obesity Cohort

Observational University of California, San Francisco · NCT03022682

This study is trying to understand how obesity, diabetes, and inflammation are connected across different ethnic groups by gathering health information and samples from 350 adults with stable weight.

Quick facts

Study typeObservational
Enrollment350 (estimated)
Ages18 Years to 75 Years
SexAll
SponsorUniversity of California, San Francisco Academic / other
Drugs / interventionschemotherapy, radiation
Locations1 site (San Francisco, California)
Trial IDNCT03022682 on ClinicalTrials.gov

What this trial studies

This observational study aims to recruit 350 participants aged 18-75 from various ethnic backgrounds to investigate the relationship between obesity, diabetes, and inflammation. Participants will provide data and biological samples, including blood, stool, and adipose tissue, to better understand the impact of ethnicity and body mass index on diabetes risk. The study focuses on individuals with stable weight, including those scheduled for bariatric or abdominal surgery, to gather comprehensive insights into these interconnected health issues.

Who should consider this trial

Good fit: Ideal candidates are healthy individuals aged 18-75, with or without diabetes, who have a stable weight and may include those undergoing bariatric surgery.

Not a fit: Patients with chronic kidney disease, autoimmune diseases, or those with significant comorbidities may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved understanding and management of obesity and diabetes, particularly in diverse populations.

How similar studies have performed: Other studies have shown success in exploring the links between obesity, diabetes, and ethnicity, making this approach both relevant and potentially impactful.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Participants will be healthy individuals between the ages of 18-75 years. These cutoffs are designed to allow inclusion of postmenopausal women, and younger/more active patients who are increasingly undergoing bariatric surgery.
* Patients with either diabetes type 2 or the metabolic syndrome will be included in the cohort.

Exclusion Criteria:

* Participants with chronic kidney disease (\> stage 4)
* Autoimmune/inflammatory disease (e.g., Lupus, Ulcerative Colitis, etc.)
* Unstable angina, New York (NY) class III or IV congestive heart failure or myocardial infarction within 3 months of entry
* Clinically significant liver disease (e.g. Cirrhosis or liver failure)
* Weight \> 450 pounds (DXA scan weight limit)
* History of organ transplant
* Treatment with chemotherapy or radiation therapy at the time of enrollment in study.
* Poorly controlled asthma (participants requiring inhaled glucocorticoids and/or oral glucocorticoids)
* Current nasal corticosteroid use (within the past month)
* Excessive alcohol or substance abuse
* Current use of anabolic steroids or testosterone for bodybuilding purposes. Testosterone use is permitted if prescribed for hypogonadism and dose stable for the past 6 months.
* Patients actively enrolled in interventional trials involving investigational agents
* Pregnant or breast-feeding women
* Appears unlikely or unable to participate in the required study procedures as assessed by the investigator, study coordinator or designee.
* History of abnormal clotting
* Previous bariatric surgery
* Anticoagulant use
* Methadone medication

Where this trial is running

San Francisco, California

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions ObesityDiabetes MellitusPre Diabetesethnicityinflammationobesitydiabetes
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.