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NCT07405151PHASE1, PHASE2RECRUITING

A Clinical Trial of Ifinatamab Deruxtecan in People With Advanced Esophageal Cancer (MK-3475-06F)

A Phase 2 Open-Label, Umbrella Platform Design Study of Investigational Agent(s) in Participants With 2L/3L Unresectable Locally Advanced or Metastatic Esophageal Cancer: KEYMAKER-U06 Substudy 06F

Sponsor: Merck Sharp & Dohme LLC + Daiichi Sankyo

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Key Facts

Study type
INTERVENTIONAL
Conditions
Oesophageal Squamous Cell Carcinoma
Interventions
I-DXd, Rescue Medication
Enrollment
60 participants
Primary completion
Jun 2027
Study completion
Jun 2028
First posted
Feb 2026
Last updated
May 2026

Primary Endpoints (CT.gov)

Objective Response Rate (ORR)

Time frame: Up to approximately 15 months

Secondary Endpoints

Duration of Response (DOR)

Progression-Free Survival (PFS)

Overall Survival (OS)

Eligibility Criteria

Inclusion Criteria: * Has a histologically or cytologically confirmed diagnosis of unresectable locally advanced or metastatic esophageal squamous cell carcinoma (ESCC) * Has disease progression after 1 or 2 prior lines of systemic therapy for unresectable locally advanced or metastatic ESCC * Has measurable disease * If infected with human immunodeficiency virus (HIV), has well-controlled HIV on antiretroviral therapy * Has adequate organ function Exclusion Criteria: * Has histologically or cytologically confirmed adenocarcinoma or adenosquamous carcinoma subtype * Has uncontrollable pleural effusion, pericardial effusion, or ascites requiring frequent drainage or medical intervention * Has clinically significant corneal disease * Has any of the following within 6 months before screening: cerebrovascular accident, transient ischemic attack, other arterial thromboembolic event * If infected with HIV, has a history of Kaposi's sarcoma and/or Multicentric Castleman's Disease * Has unc

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