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RecruitingTriple Negative Breast Neoplasms

A Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) as Monotherapy and in Combination With Pembrolizumab (MK-3475) in Participants With Triple-Negative Breast Cancer (MK-2870-011/TroFuse-011)

Eligible age

18+ yrs

Accepts

All genders

Locations

23 states

Healthy volunteers

No

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About this study

Researchers want to know if sacituzumab tirumotecan given alone or with pembrolizumab can treat triple negative breast cancer (TNBC). The main goal of this study is to learn if people treated with sacituzumab tirumotecan alone or with pembrolizumab live longer overall or without the cancer growing or spreading compared to people treated with chemotherapy.

Sponsor: Merck Sharp & Dohme LLC

You may qualify if…

  • The main inclusion criteria include but are not limited to the following:
  • Has locally recurrent unresectable or metastatic TNBC that cannot be treated with curative intent
  • Has not received systemic treatment for locally recurrent unresectable or metastatic breast cancer
  • Participants previously treated for early-stage breast cancer must have completed all prior therapy for early-stage breast cancer with curative intent at least 6 months before the first disease recurrence
  • Is a candidate for treatment with pembrolizumab and one of the TPC options: paclitaxel or nab-paclitaxel or gemcitabine + carboplatin
  • Participants who have AEs due to previous anticancer therapies must have recovered to ≤Grade 1 or baseline with the exception of alopecia or vitiligo. Participants with endocrine-related AEs who are adequately treated with hormone replacement are eligible
  • Participants who are hepatitis B surface antigen (HBsAg) positive are eligible if they have received hepatitis B virus (HBV) antiviral therapy for at least 4 weeks, and have undetectable HBV viral load
  • Participants with history of hepatitis C virus (HCV) infection are eligible if HCV viral load is undetectable

You may not qualify if…

  • The main exclusion criteria include but are not limited to the following:
  • Has breast cancer amenable to treatment with curative intent
  • Has TNBC with evaluable tumor programmed death ligand 1 (PD-L1) expression at combined positive score (CPS) ≥10
  • Has received prior systemic therapy for treatment of locally recurrent unresectable or metastatic breast cancer
  • Has Grade ≥2 peripheral neuropathy
  • Has history of documented severe dry eye syndrome, severe Meibomian gland disease and/or blepharitis, or severe corneal disease that prevents/delays corneal healing
  • Has active inflammatory bowel disease requiring immunosuppressive medication or previous history of inflammatory bowel disease
  • Has uncontrolled, significant cardiovascular disease or cerebrovascular disease

Where it's recruiting

Alabama

Mobile

Arizona

Chandler

California

Duarte · Irvine · Los Angeles · San Francisco

Connecticut

New Haven

District of Columbia

Washington D.C.

Florida

Altamonte Springs · Orlando · West Palm Beach

Georgia

Athens

Idaho

Boise

Illinois

Chicago

Maryland

Baltimore · Clinton · Olney · Silver Spring

Michigan

Grand Rapids

Minnesota

Minneapolis

Source: ClinicalTrials.gov · NCT06841354 · last updated 2026-08-07

A Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) as Monotherapy a · TrialPath