Study of EV for Recurrent Endometrial Carcinoma

Recruiting now · Phase 2

Conditions studied: Endometrial Cancer

In brief

This study is testing a drug called enfortumab vedotin in up to 12 patients with advanced endometrial (uterine) cancer that has worsened after previous treatments, including immunotherapy. The goal is to see how well the drug works and how safe it is. Patients will be treated for up to one year and followed over time to monitor their health and response to the treatment.

Key facts

Study ID

NCT07139977

Run by

William Bradley

People needed

12

Starts

2026-07-10

Expected to finish

2028-05-31

Last updated by the study team

2026-07-13

Who can join

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

You may qualify if…

• Female patient of age ≥18 years.
• Recurrent and progressive endometrial cancer, all stages at primary diagnosis. The histology types will be pending the preclinical assessments, but can include:
• Endometrioid endometrial carcinoma
• Serous endometrial carcinoma
• Prior standard of care of surgical intervention, including hysterectomy.
• Evidence of disease progression on or following the most recent line of therapy prior to screening. Therapy must include platinum-based chemotherapy. If the patient is eligible for immunotherapy, this must have been provided. Patient may have received either radiation therapy or hormone therapy, neither of which will be considered a line of therapy. Chemotherapy during radiotherapy will not be considered a line of therapy.
• Maximum of three prior lines of therapy. Neo-adjuvant and postsurgical therapy, if provided, will be counted as 1 line of therapy. Therapy given in a maintenance fashion after primary treatment will not be counted as a line of therapy.
• IHC expression of nectin-4.
• Toxicity from prior treatment recovered to G1 or G0.
• ECOG status of 1 or 0.
• At least 1 measurable target lesion according to RECIST v1.1, including the following criteria:
• Non-nodal lesion that measures ≥ 1.0 cm in the longest diameter.
• Lymph node (LN) lesion that measures as ≥ 1.5 cm in the short axis.
• The lesion is suitable for repeat measurement using computed tomography/magnetic resonance imaging (CT/MRI). Lesions that have had external beam radiotherapy (EBRT) or locoregional therapy must show radiographic evidence of subsequent growth after treatment.
• Documented tumor status for MSI and MMR.
• In the opinion of the investigator, the patient must have a life expectancy of at least 12 weeks and be well enough to receive experimental therapy.
• Adequate organ function as determined by laboratory tests defined in the table below at screening.
• Hematological: Absolutely neutrophil count (ANC)≥ 1500/μL, Platelets ≥ 100,000/μL, Hemoglobin ≥ 9.0 g/dL or 5.6 mmol/L, No erythropoietin dependency or packed red blood cell transfusion within last 2 weeks.
• Renal: Creatinine, OR ≤ 1.5 x ULN, Creatinine clearance as calculated per institutional standard ≥ 30 mL/min for patients with creatinine > 1.5 × institutional ULN Hepatic: Total bilirubin ≤ 1.5 × upper limit of normal (ULN) ≤ 3 ULN for participants with Gilbert's syndrome. AST, ALT ≤ 3 × ULN (≤ 5 × ULN for participants with liver metastases
• Ability to understand a written informed consent document, and the willingness to sign it.
• Pregnancy: It is not known what effects this treatment has on human pregnancy or development of the embryo or fetus. Therefore, female patients participating in this study should avoid becoming pregnant, and male patients should avoid impregnating a female partner. Nonsterilized female patients of reproductive age and male patients should use effective methods of contraception through defined periods during and after study treatment as specified below. Female patients must meet one of the following:
• Postmenopausal for at least one year before the screening visit, or
• Surgically sterile, or
• If they are of childbearing potential, agree to practice two effective methods of contraception from the time of signing of the informed consent form through three months after the last dose of study drug, AND
• Must also adhere to the guidelines of any treatment specific pregnancy prevention program, if applicable, or

You may not qualify if…

• Diagnosis of endometrial sarcoma (leiomyosarcoma, endometrial stromal sarcoma, high-grade sarcoma).
• Diagnosis of non-endometrioid and non-serous endometrial cancer. Mixed tumors involving histologic types other than serous and endometrioid will not be eligible.
• Tumor sample does not express nectin-4 (local IHC testing).
• Symptomatic CNS metastases or leptomeningeal metastases. Patients with symptomatic brain metastasis must be treated and must be stable for at least 4 weeks prior to study treatment.
• Active second malignancy with anti-cancer treatments (except for treated in-situ carcinomas [e.g., breast, cervix, bladder], or basal or squamous cell carcinoma of the skin) within the past 24 months.
• Sensory or motor neuropathy ≥ G2
• Prior history of significant cardiovascular impairment within 12 months of the first dose of study drug: such as history of congestive heart failure greater than New York Heart Association (NYHA)Class II, unstable angina, myocardial infarction, or cerebrovascular accident (CVA) stroke, or cardiac arrhythmia associated with hemodynamic instability.
• Active infection requiring systemic IV antibiotics within 14 days, or oral antibiotics within 7 days, prior to administration of study drugs. Regular treatment of urinary tract infection (UTI) and/or topical treatment are allowed.
• Uncontrolled diabetes defined as HgbA1c of ≥ 8%.
• Hepatitis B, C, or HIV infection.
• Have not recovered to CTCAE v5.0 Grade 0 or 1 (except chemotherapy related grade 2 peripheral neuropathy, or grade 2 endocrinopathy with adequate replacement therapy) from any toxicity and/or complications from major surgery or prior cancer therapeutics before starting therapy.
• Ongoing treatment for EC, including radiation therapy, hormonal therapy, chemotherapy, immunotherapy, or any investigational therapy, unless they have been discontinued at least 4 weeks prior to screening and there is no plan to re-initiate during the study. radiation therapy is allowed prior to and during study drug administration as long as there are no acute toxicities.
• Active intestinal obstruction.
• Known psychiatric or substance use disorders that would interfere with cooperation with the requirements of the trial.
• Any conditions that required systemic immunosuppression therapy (in dosing exceeding 10 mg daily of prednisone or equivalent) within 7 days prior to the first dose of study drug.
• Pregnant or lactating patients.
• In the opinion of the Investigator, have a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the study, interfere with the patient's participation for the full duration of the study or make study participation, not in the best interest of the patient. The Investigator should discuss with the Sponsor and/or study leaders.

Where it is running

• Froedtert Memorial Lutheran Hospital — Milwaukee, Wisconsin, United States (enrolling)

Full record on ClinicalTrials.gov

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