Tirzepatide in Obesity-Driven Endometrial Cancer

Recruiting now · Early Phase 1

Conditions studied: Endometrial Cancer, Obesity

In brief

LCCC2415 examines the antiproliferative effect of tirzepatide on the endometrium of endometrial cancer (EC). This is a pre-operative window clinical study. Endometrial biopsy samples from patients before tirzepatide treatment will be compared to their post-intervention hysterectomy specimens. If archival tissue is unavailable, a fresh biopsy will be taken before tirzepatide treatment. Post-intervention tissue will be collected from the hysterectomy specimen. The hypothesis is that tirzepatide's anti-tumorigenic effects are due to both an improvement in the host's metabolic milieu (indirect effect) and a direct effect on the EC tumor microenvironment via the inter-related pathways of insulin, lipid, and mTOR signaling. Therefore, tirzepatide may be an innovative approach to effectively induce weight loss and inhibit tumor growth in EC, the most obesity-driven of all cancers.

Key facts

Study ID

NCT07065552

Run by

UNC Lineberger Comprehensive Cancer Center

People needed

20

Starts

2026-04-27

Expected to finish

2028-07-01

Last updated by the study team

2026-04-28

Who can join

Age: 18 and older. Sex: female. Healthy volunteers: not accepted.

You may qualify if…

• Current diagnosis of endometrioid histology cancer and scheduled to undergo hysterectomy and staging.
• Agree to comply with all required study assessments and visits including internet capabilities.
• Written informed consent obtained to participate in the study and HIPAA authorization for release of personal health information.
• Age ≥ 18 at the time of consent.
• Body mass index of ≥30 kg/m2.
• Presumed clinically early-stage disease (disease confined to uterus only).
• ECOG ≤ 2 or Karnofsky Performance Status of > 50

You may not qualify if…

• Active infection requiring systemic therapy.
• Subject is pregnant or breast feeding.
• Taking any prescription medications or other drugs that may influence metabolism per discretion of investigator.
• Taking a central nervous system stimulant.
• Current psychological conditions that would be incompatible with participation in this study, as determined by investigator.
• Known sensitivities (i.e., urticaria and eczema) to GIP and GLP-1 receptor agonists.
• Have type 1 diabetes mellitus or latent autoimmune diabetes in adults or receiving treatment with insulin.
• Have a history of severe hypoglycemia or not be able to communicate an understanding of hypoglycemic symptoms.

Where it is running

• Lineberger Comprehensive Cancer Center — Chapel Hill, North Carolina, United States (enrolling)

Full record on ClinicalTrials.gov

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