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NCT06445972PHASE1, PHASE2RECRUITING

Substudy 06D: Combination Therapies in Second Line (2L) Gastroesophageal Adenocarcinoma (MK-3475-06D/Keymaker-U06)

A Phase 1/2 Open-Label, Umbrella Platform Design Study to Evaluate the Safety and Efficacy of Investigational Agents in Combination With Standard of Care Treatments as the Second-Line Treatment of Participants With Advanced/Metastatic Gastroesophageal Adenocarcinoma: Substudy 06D

Sponsor: Merck Sharp & Dohme LLC + Daiichi Sankyo

No open prediction endpoints

Endpoints are classified and published by ProgramSignal analysts.

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Key Facts

Study type
INTERVENTIONAL
Conditions
Gastroesophageal Junction, Gastroesophageal Adenocarcinoma, Esophageal Neoplasms, Esophageal Cancer
Interventions
Ramucirumab, Paclitaxel, Sacituzumab Tirumotecan, Rescue Medications
Enrollment
210 participants
Primary completion
May 2028
Study completion
Aug 2030
First posted
Jun 2024
Last updated
May 2026

Primary Endpoints (CT.gov)

Percentage of Participants who Experience Dose Limiting Toxicities (DLTs) During the Safety Lead-In Phase

Time frame: Up to ~28 days

Percentage of Particiapants who Experience an Adverse Event (AE) During the Safety Lead-In Phase

Time frame: Up to ~60 days

Percentage of Participants who Discontinue Study Intervention Due to an AE During the Safety Lead-In Phase

Time frame: Up to ~28 days

Objective Response Rate (ORR)

Time frame: Up to ~28 months

Secondary Endpoints

Progression Free Survival (PFS)

Duration of Response (DOR)

Overall Survival (OS)

Eligibility Criteria

Inclusion Criteria: The main inclusion criteria include but are not limited to the following: * Has histologically and/or cytologically confirmed diagnosis of previously treated, second line (2L) (received first line (1L) treatment) gastric adenocarcinoma, gastroesophageal junction adenocarcinoma, or esophageal adenocarcinoma * Has metastatic disease or locally advanced, unresectable disease * Has experienced documented objective radiographic or clinical disease progression during or after 1L therapy containing any platinum/fluoropyrimidine doublet with or without immunotherapy * Tumor tissue must be confirmed as negative for HER2 expression (IHC 0/1+ or IHC2+/in situ hybridization negative) as classified by American Society of Clinical Oncology/College of American Pathologists (ASCO-CAP) guidelines * Can provide a core/excisional biopsy of a tumor lesion not previously irradiated (collected from a biopsy performed after the most recent systemic anticancer therapy regimen) * AEs due

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