Inflammation, Diabetes, Ethnicity and Obesity Cohort

Recruiting now

Conditions studied: Obesity, Diabetes Mellitus, Pre Diabetes

In brief

Obesity affects over one third of US adults (\>72 million, with BMI ≥30 kg/m2), and the proportion of US adults with BMI ≥40 kg/m2 has doubled in the last 20 years. Obesity is associated with increased mortality through its linkage to comorbidities including diabetes, hypertension, dyslipidemia, osteoarthritis, sleep apnea and psychosocial disturbances. Given its prevalence, impact on morbidity and mortality, and economic cost, limiting the spread of obesity and its consequences is one of the most important problems of our time. In this proposed study, investigators will recruit participants from a wide range of body mass index (BMI), ethnicity and Diabetes risk to collect data and blood, stool and adipose tissue samples in the San Francisco bay area.

Key facts

Study ID

NCT03022682

Run by

University of California, San Francisco

People needed

350

Starts

2015-02-01

Expected to finish

2026-12-01

Last updated by the study team

2025-07-04

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• 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.

You may not qualify if…

• 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 it is running

• University of California San Francisco — San Francisco, California, United States (enrolling)

Full record on ClinicalTrials.gov

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