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NCT06841354PHASE3RECRUITING

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)

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)

Sponsor: Merck Sharp & Dohme LLC

No open prediction endpoints

Endpoints are classified and published by ProgramSignal analysts.

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Key Facts

Study type
INTERVENTIONAL
Conditions
Triple Negative Breast Neoplasms
Interventions
Sacituzumab tirumotecan, Pembrolizumab, Rescue Medication, Paclitaxel
Enrollment
1,000 participants
Primary completion
May 2030
Study completion
May 2030
First posted
Feb 2025
Last updated
May 2026

Primary Endpoints (CT.gov)

Progression-Free Survival (PFS) (sac-TMT versus treatment of physician's choice (TPC); sac-TMT plus pembrolizumab versus TPC)

Time frame: Up to ~39 months

Overall Survival (OS) (sac-TMT versus TPC)

Time frame: Up to ~61 months

Secondary Endpoints

Overall Survival (OS) (sac-TMT plus pembrolizumab versus treatment of physician's choice (TPC); sac-TMT plus pembrolizumab versus sac-TMT)

Progression-Free Survival (PFS) (sac-TMT plus pembrolizumab versus sac-TMT)

Objective Response Rate (ORR) (sac-TMT versus TPC; sac-TMT plus pembrolizumab versus TPC)

Eligibility 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

Read full criteria on CT.gov →

✦ Analyst Commentary

Expert commentary on why this trial matters and what to watch for.

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Source

Open on ClinicalTrials.gov