Clinical trial Recruiting at 274 sites Phase 3 Interventional Ages 18 and up

Treatment for triple-negative breast cancer using sacituzumab tirumotecan and pembrolizumab

Official title: A Phase 3, Randomized, Open-label Study Comparing Efficacy and Safety of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) as a Monotherapy and in Combination With Pembrolizumab (MK-3475) Versus Treatment of Physician's Choice in Participants With Previously Untreated Locally Recurrent Unresectable or Metastatic Triple-Negative Breast Cancer Expressing PD-L1 at CPS Less Than 10 (TroFuse-011)

Run by Merck Sharp & Dohme LLC · NCT06841354 · Data updated 2026-11-12

This study is testing if a new treatment combining sacituzumab tirumotecan and pembrolizumab can help people with triple-negative breast cancer live longer and keep their cancer from getting worse compared to regular chemotherapy.

More Triple Negative Breast Neoplasms trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment1000 (estimated)
SponsorMerck Sharp & Dohme LLC
Industry-sponsored
Drugs / interventionspembrolizumab, sacituzumab, chemotherapy
Locations285 sites (Mobile, Alabama and 284 other locations)
StatusRecruiting
StartedMarch 16, 2025
Main results expectedMay 18, 2030
Study endsMay 18, 2030
Registry record updatedNovember 10, 2026
Trial IDNCT06841354 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals with locally recurrent unresectable or metastatic triple-negative breast cancer who have not received prior systemic treatment for their condition.

Probably not a fit

Patients with early-stage breast cancer who have not experienced recurrence or those who have already received systemic treatment for metastatic TNBC may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates the effectiveness of sacituzumab tirumotecan, both alone and in combination with pembrolizumab, in treating patients with triple-negative breast cancer (TNBC). The primary objective is to determine whether this treatment regimen can improve overall survival and prevent cancer progression compared to standard chemotherapy. Participants will be monitored for their response to the treatment and any potential side effects. The study aims to provide insights into new therapeutic options for patients with advanced TNBC.

Why it matters

Potential benefit: If successful, this treatment could offer a new effective option for patients with triple-negative breast cancer, potentially improving survival rates.

How similar studies have gone: Previous studies have shown promising results with similar immunotherapy approaches in treating triple-negative breast cancer, indicating potential for success.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

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

Exclusion Criteria:

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
* Has skin only metastatic disease
* Has advanced/metastatic, symptomatic visceral spread at risk of rapidly evolving into life-threatening complications
* Human immunodeficiency virus (HIV)-infected participants with a history of Kaposi's sarcoma and/or Multicentric Castleman's Disease
* Has known additional malignancy that is progressing or has required active treatment within the past 5 years
* Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis. Participants with previously treated brain metastases may participate provided they are radiologically stable
* Active autoimmune disease that has required systemic treatment in the past 2 years. Replacement therapy (eg, thyroxine, insulin, or physiologic corticosteroid) is allowed
* Has a history of (noninfectious) pneumonitis/interstitial lung disease (ILD) that required steroids, has current pneumonitis/ILD, or has suspected ILD or pneumonitis that cannot be ruled out by standard diagnostic assessments
* Concurrent active Hepatitis B (defined as HBsAg positive and/or detectable HBV deoxyribonucleic acid (DNA)) and Hepatitis C virus (HCV) (defined as anti-HCV antibody (Ab) positive and detectable HCV ribonucleic acid (RNA)) infection
* History of stem cell/solid organ transplant
* Has not adequately recovered from major surgery or has ongoing surgical complications

Where it's running

  • USA Mitchell Cancer Institute ( Site 0090)
    Mobile, Alabama, United States
    Recruiting
  • Ironwood Cancer & Research Centers ( Site 0036)
    Chandler, Arizona, United States
    Recruiting
  • City of Hope ( Site 0097)
    Duarte, California, United States
    Recruiting
  • City of Hope Lennar Foundation Cancer Center ( Site 0099)
    Irvine, California, United States
    Recruiting
  • UCLA Department of Medicine - Hematology & Oncology ( Site 0047)
    Los Angeles, California, United States
    Recruiting
  • UCSF Helen Diller Family Comprehensive Cancer Center ( Site 0016)
    San Francisco, California, United States
    Recruiting
Show 44 more locations
  • Washington Hospital Center ( Site 0098)
    Washington D.C., District of Columbia, United States
    Recruiting
  • AdventHealth Medical Group Oncology and Hematology at Altamonte ( Site 0007)
    Altamonte Springs, Florida, United States
    Recruiting
  • Orlando Health Cancer Institute ( Site 0012)
    Orlando, Florida, United States
    Recruiting
  • Florida Cancer Specialists - East ( Site 7000)
    West Palm Beach, Florida, United States
    Recruiting
  • University Cancer & Blood Center, LLC ( Site 0023)
    Athens, Georgia, United States
    Recruiting
  • St. Luke's Cancer Institute: Boise ( Site 0037)
    Boise, Idaho, United States
    Recruiting
  • University of Illinois Cancer Center ( Site 0044)
    Chicago, Illinois, United States
    Recruiting
  • MedStar Franklin Square Medical Center ( Site 0031)
    Baltimore, Maryland, United States
    Recruiting
  • MedStar Good Samaritan Hospital ( Site 0079)
    Baltimore, Maryland, United States
    Recruiting
  • MedStar Southern Maryland Hospital Center ( Site 0100)
    Clinton, Maryland, United States
    Recruiting
  • MedStar Montgomery Medical Center ( Site 0078)
    Olney, Maryland, United States
    Recruiting
  • Holy Cross Hospital ( Site 0091)
    Silver Spring, Maryland, United States
    Recruiting
  • Cancer & Hematology Centers of Western Michigan ( Site 0026)
    Grand Rapids, Michigan, United States
    Recruiting
  • Hattiesburg Clinic Hematology/Oncology ( Site 0104)
    Hattiesburg, Mississippi, United States
    Recruiting
  • Comprehensive Cancer Centers of Nevada ( Site 0015)
    Las Vegas, Nevada, United States
    Recruiting
  • Renown Regional Medical Center ( Site 0005)
    Reno, Nevada, United States
    Recruiting
  • John Theurer Cancer Center at Hackensack University Medical Center ( Site 0082)
    Hackensack, New Jersey, United States
    Recruiting
  • New Mexico Oncology Hematology Consultants Ltd. ( Site 0019)
    Albuquerque, New Mexico, United States
    Recruiting
  • Perlmutter Cancer Center at NYU Langone Hospital - Long Island ( Site 0073)
    Mineola, New York, United States
    Recruiting
  • Laura and Isaac Perlmutter Cancer Center ( Site 0003)
    New York, New York, United States
    Recruiting
  • SCRI Oncology Partners ( Site 7004)
    Nashville, Tennessee, United States
    Recruiting
  • Tennessee Oncology ( Site 0018)
    Nashville, Tennessee, United States
    Recruiting
  • Texas Oncology - DFW ( Site 8007)
    Dallas, Texas, United States
    Recruiting
  • Texas Oncology - West Texas ( Site 8004)
    El Paso, Texas, United States
    Recruiting
  • Kelsey-Seybold Clinic - North Houston Campus ( Site 0096)
    Houston, Texas, United States
    Recruiting
  • Kelsey-Seybold Clinic ( Site 0040)
    Houston, Texas, United States
    Recruiting
  • Texas Oncology - San Antonio ( Site 8001)
    San Antonio, Texas, United States
    Recruiting
  • University of Utah, Huntsman Cancer Institute ( Site 0056)
    Salt Lake City, Utah, United States
    Recruiting
  • Virginia Oncology Associates (VOA) ( Site 8002)
    Norfolk, Virginia, United States
    Recruiting
  • Fred Hutchinson Cancer Center ( Site 0042)
    Seattle, Washington, United States
    Recruiting
  • Instituto de Investigaciones Clinicas Mar del Plata ( Site 2401)
    Mar del Plata, Buenos Aires, Argentina
    Recruiting
  • Instituto Alexander Fleming ( Site 2402)
    Mar del Plata, Buenos Aires, Argentina
    Recruiting
  • Hospital Italiano de Cordoba ( Site 2406)
    Córdoba, Córdoba Province, Argentina
    Recruiting
  • Clinica Viedma ( Site 2403)
    Viedma, Río Negro Province, Argentina
    Recruiting
  • Fundacion Estudios Clinicos ( Site 2405)
    Rosario, Santa Fe Province, Argentina
    Recruiting
  • Hospital Provincial del Centenario ( Site 2410)
    Rosario, Santa Fe Province, Argentina
    Recruiting
  • Fundacion Centro Oncologico de Integración Regional ( Site 2400)
    Mendoza, Argentina
    Recruiting
  • Blacktown Hospital ( Site 5500)
    Blacktown, New South Wales, Australia
    Recruiting
  • Peninsula Health Frankston Hospital ( Site 5501)
    Frankston, Victoria, Australia
    Recruiting
  • ZAS Sint Augustinus ( Site 3102)
    Antwerp, Flanders, Belgium
    Recruiting
  • Ziekenhuis Oost Limburg ( Site 3105)
    Genk, Limburg, Belgium
    Recruiting
  • AZ Maria Middelares ( Site 3103)
    Ghent, Oost-Vlaanderen, Belgium
    Recruiting
  • UZ Gent ( Site 3101)
    Ghent, Oost-Vlaanderen, Belgium
    Recruiting
  • Hospital de Câncer de Recife ( Site 2300)
    Recife, Pernambuco, Brazil
    Recruiting

+235 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.