A Phase III Randomized Trial of Radiation +/- Pembrolizumab (MK-3475) for Newly Diagnosed Early Stage High Intermediate Risk Mismatch Repair Deficient (dMMR) Endometrioid Endometrial Cancer

Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions:
    Endometrial Cancer
  • Age: Between 18 years - 100 years
  • Gender: Female
  • Other Inclusion Criteria:
    1) Patients must have: Stage I-II endometrioid endometrial cancer. 2) Patients with isolated tumor cells in sentinel lymph nodes are eligible (considered N0i) as long as there is no evidence of micro- or macro-metastases in any lymph nodes. 3) Patients must have received no prior therapy for endometrial cancer, including hormonal therapy, chemotherapy, targeted therapy, immunotherapy or radiation therapy. 4) Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1 or 2.

You may not be eligible for this study if the following are true:

  • 1) Patients who are currently participating and receiving cancer-directed study therapy for endometrial cancer or have participated in a study of an investigational agent and received cancer-directed study therapy for endometrial cancer within 4 weeks prior to registration. 2) Patients who have received prior treatment with anti-PD-1, anti-PD-L1, or anti-CTLA-4 therapeutic antibody or other similar agents. 3) Patients who have a history of a severe hypersensitivity reaction to monoclonal antibody or MK-3475 (pembrolizumab) and/or its excipients. 4) Patients with active autoimmune disease or history of autoimmune disease that might recur, which may affect vital organ function or require immune suppressive treatment including systemic corticosteroid


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