A study testing whether a new weekly shot, tirzepatide, can help people lose weight.

Recruiting now. Registry record last updated December 4, 2024.

Who can join
Adults 18 to 70, have obesity, BMI 27+.
What you take
tirzepatide, given as part of the study. Check ClinicalTrials.gov for this trial's study groups, including any placebo or comparison medicine.
How long it lasts
The full study runs about 6.1 years; your own time in it is usually shorter.
What you get
Many clinical trials pay for the study medication and the study visits. Some also pay for travel. Ask the study team what this one covers before you sign the consent form.
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Phase Phase 2Sponsor Stanford UniversityDrug tirzepatideClass GLP-1/GIPSites 1 USEnrollment target 66

What this study is for

Primary condition: Obesity. Also studied in: Overweight and Obesity, Overweight.

Full scientific study title: Tirzepatide: Reversal of Lipotoxicity and Adipose Tissue Dysfunction in Humans With Overweight/Obesity.

Who can join

Age18 to 70SexAnyBMI27 to 39.9

Adults 18 to 70, have obesity, BMI 27+. A site coordinator confirms whether you qualify during a free screening visit. The exact medical requirements are below.

Full medical eligibility (for you and your doctor)verbatim from the registry

This is the exact wording from ClinicalTrials.gov, including clinical measures (lab values, imaging scores). Bring it to your doctor if any of it is unclear.

Key inclusion criteria

  • nondiabetic as defined by fasting plasma glucose \< 126 mg/dL while off all glucose lowering medications
  • BMI 27-39.9 kg/m2. Individuals with obesity (BMI 30-39.9 kg/m2) are not required to have an additional risk factor but those who are overweight (27-29.9 kg/m2) must have at least one weight-related factor as follows: hypertension defined as physician-diagnosed and taking antihypertensive medication or SBP\> 130 or DBP \> 80 mm Hg; dyslipidemia defined as physician diagnosed and taking medication or LDL \> 160 mg/dL, TG \> 150 mg/dL, HDL \< 50 or \< 40 mg/dL for women and men, respectively; prediabetes defined as fasting glucose 100-125 mg/dL off all antidiabetic or diabetogenic medications, physician diagnosed obstructive sleep apnea, non-alcoholic fatty liver disease, history of gallstones, and osteoarthritis.
  • Age 18-70
  • Pre and postmenopausal women will be eligible and details of last menstrual period and/or hormone replacement collected for statistical adjustment and formal testing for effect modification.

Key exclusion criteria

  • prior bariatric surgery or liposuction
  • unstable body weight defined as self-reported weight change \>2 kg over the past 6 weeks
  • unstable hypertension (defined as BP \>160/100 mm Hg)
  • major organ disease
  • chronic inflammatory conditions

Where this trial is enrolling

This trial has 1 sites across 1 state. Contact a site coordinator directly to start screening.

California1 site
  • Clinical and Translational Research Unit
    Palo Alto, California
    Nicole Turk, BS650-888-0144nturk@stanford.edu

Timeline

Started enrolling: November 9, 2023. Expected completion: December 2029. Last updated on ClinicalTrials.gov: December 4, 2024.

Official source

Every Monday we check this trial against ClinicalTrials.gov, the federal registry for clinical research. Last checked August 21, 2026. Confirm the current status there before you contact a site:

View on ClinicalTrials.gov →

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