Sacituzumab Tirumotecan (MK-2870) in Post Platinum and Post Immunotherapy Endometrial Cancer (MK-2870-005)

About

Brief Summary

Researchers are looking for new ways to treat people with endometrial cancer (EC) who have previously received treatment with platinum based therapy (a type of chemotherapy) and immunotherapy. Immunotherapy is a treatment that helps the immune system fight cancer. This clinical study will compare MK-2870 sacituzumab tirumotecan to chemotherapy. The goal of the study is to learn if people who receive MK-2870 sacituzumab tirumotecan live longer overall and without the cancer getting worse compared to people who receive chemotherapy.

Primary Purpose

Treatment

Study Type

Interventional

Phase

Phase 3

Eligibility

Gender

Female

Healthy Volunteers

Minimum Age

18 Years

Maximum Age

N/A

The main inclusion and exclusion criteria include but are not limited to the following:

Inclusion Criteria:

Has a histologically-confirmed diagnosis of endometrial carcinoma or carcinosarcoma.
Has radiographically evaluable disease, either measurable or nonmeasurable per response evaluation criteria in solid tumors (RECIST 1.1), as assessed by blinded independent central review (BICR).
Has received prior platinum-based chemotherapy and anti-programmed cell death 1 protein (PD-1)/anti- programmed cell death ligand 1 (PD-L1) therapy, either separately or in combination.

Exclusion Criteria:

Has neuroendocrine tumors or endometrial sarcoma, including stromal sarcoma, leiomyosarcoma, adenosarcoma, or other types of pure sarcomas
Has a history of documented severe dry eye syndrome, severe Meibomian gland disease and/or blepharitis, or corneal disease that prevents/delays corneal healing
Has active inflammatory bowel disease requiring immunosuppressive medication or previous history of inflammatory bowel disease
Has had a recurrence of endometrial carcinoma or carcinosarcoma more than >12 months after completing platinum-based therapy administered in the curative-intent setting without any additional platinum-based therapy received in the recurrent setting. Note: 1) If Immunotherapy-based treatment is administered in the recurrent setting, then platinum rechallenge is not required, regardless of the duration of the platinum-free interval from time of adjuvant therapy 2) For Stage IVb disease, treatment that includes gynecological surgery followed by a platinum-based regimen is NOT considered curative-intent per protocol and does not require platinum rechallenge in the recurrent setting, regardless of the duration of the platinum-free interval
Has received more than 3 prior lines of therapy for endometrial carcinoma or carcinosarcoma
Has history of (noninfectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/interstitial lung disease
Has received prior treatment with single-agent nonplatinum based chemotherapy in the third-line setting
Has received prior treatment with a trophoblast cell surface antigen 2 (TROP2)-targeted antibody drug conjugate (ADC) (eg, sacituzumab govitecan)
Has received prior treatment with a topoisomerase I inhibitor-containing ADC (eg, sacituzumab govitecan or fam-trastuzumab deruxtecan-nxki)
Has previously received both single-agent paclitaxel and single-agent doxorubicin in any setting for prior treatment of endometrial cancer

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