A Study to Evaluate Investigational Agents With or Without Pembrolizumab (MK-3475) in Participants With Advanced Esophageal Cancer Previously Exposed to Programmed Cell Death 1 Protein (PD-1)/ Programmed Cell Death Ligand 1 (PD-L1) Treatment (MK-3475-06B)

About

Brief Summary

This is a Phase 1/2, multicenter, randomized, open-label umbrella platform study to evaluate the safety and efficacy of investigational agents with or without pembrolizumab and/or chemotherapy, for the treatment of participants with second line (2L) esophageal squamous cell carcinoma (ESCC) who have previously been exposed to PD-1/PD-L1 based treatment.

Primary Purpose

Treatment

Study Type

Interventional

Phase

Phase 1/Phase 2

Eligibility

Gender

All

Healthy Volunteers

Minimum Age

18 Years

Maximum Age

N/A

The main inclusion and exclusion criteria include but are not limited to the following:

Inclusion Criteria:

Histologically or cytologically confirmed diagnosis of metastatic or locally advanced unresectable esophageal squamous cell carcinoma (ESCC)
Has experienced investigator documented radiographic or clinical disease progression on one prior line of standard therapy, that includes a platinum agent and previous exposure to an anti-programmed cell death 1 (PD1)/programmed cell death ligand 1 (PD-L1) based immune oncology (IO) therapy
Has provided an archival or most recent tumor tissue sample obtained as part of clinical practice
Participants who have adverse events (AEs) due to previous anticancer therapies must have recovered to ≤Grade 1 or baseline. Participants with endocrine-related AEs who are adequately treated with hormone replacement or participants who have ≤Grade 2 neuropathy are eligible

Exclusion Criteria:

Direct invasion into adjacent organs such as the aorta or trachea
Has experienced weight loss >10% over approximately 2 months prior to first dose of study therapy
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 received an investigational agent or has used an investigational device within 4 weeks prior to study intervention administration
Known additional malignancy that is progressing or has required active treatment within the past 3 years, except basal cell carcinoma of the skin, squamous cell carcinoma of the skin, or carcinoma in situ that has undergone potentially curative therapy
Known active central nervous system (CNS) metastases and/or carcinomatous meningitis
Participants with human immunodeficiency virus (HIV) with a history of Kaposi's sarcoma and/or Multicentric Castleman's Disease
History of allogenic tissue/solid organ transplant
Clinically significant cardiovascular disease within 12 months from first dose of study intervention
Has risk for significant gastrointestinal (GI) bleeding such as a serious nonhealing wound, peptic ulcer, or bone fracture within 28 days prior to allocation/randomization, significant bleeding disorders, vasculitis, or has had a significant bleeding episode from the GI tract within 12 weeks prior to allocation/randomization

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