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Clinical Trials List

Protocol NumberMK-3475-06F
NCT Number(ClinicalTrials.gov Identfier)NCT07405151
Active

2026-01-27 - 2030-12-31

Phase II

Recruiting7

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

  • Trial Applicant

    Merck Sharp & Dohme (I.A.) LLC

  • Sponsor

    MERCK SHARP & DOHME (I.A.) LLC. TAIWAN BRANCH (U.S.A.)

  • Trial scale

    Multi-Regional Multi-Center

  • Update

    2026/09/11

Investigators and Locations

Principal Investigator Chih-Hung Hsu Division of Hematology & Oncology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Shang-Yin Wu Division of Hematology & Oncology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Chih-Hung Hsu Division of Hematology & Oncology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator 李劭軒  Division of General Internal Medicine

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Ming-Huang Chen Division of Hematology & Oncology

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Chen-Yuan Lin Division of General Internal Medicine

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Chi-Ting Liau

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Condition/Disease

Oesophageal Squamous Cell Carcinoma

Objectives

The purpose of this trial is to assess if ifinatamab deruxtecan (I-DXd) can treat esophageal squamous cell carcinoma (ESCC). I-DXd is an antibody-drug conjugate (ADC). An ADC attaches to a protein on cancer cells and delivers treatment to destroy those cells. The goal of this trial is to learn how many participants who receive I-DXd have the cancer respond, which means the cancer gets smaller or goes away.

Test Drug

ifinatamab deruxtecan (I-DXd)

Active Ingredient

ifinatamab deruxtecan

Dosage Form

Lyophilized powder for injection

Dosage

100 mg/vial

Endpoints

Objective Response Rate (ORR) ORR is defined as the percentage of participants with Complete Response (CR: disappearance of all target lesions) or Partial Response (PR: at least a 30% decrease in the sum of diameters of target lesions) per Response Evaluation Criteria In Solid Tumors Version 1.1 (RECIST 1.1). The percentage of participants who experience CR or PR as assessed by Blinded Independent Central Review (BICR) will be presented.

Inclution 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 uncontrolled or significant cardiovascular disease
Has a known additional malignancy that is progressing or has required active treatment within the past 3 years
Has known active central nervous system metastases and/or carcinomatous meningitis
Has any history of interstitial lung disease (ILD)/pneumonitis irrespective of steroid use, except for a history of radiation pneumonitis that did not require steroids or has current diagnosis of ILD or has clinical or radiographic suspicion of ILD for which the diagnosis of ILD cannot be ruled out
Has active infection requiring systemic therapy other than those permitted.
Has clinically severe pulmonary compromise resulting from intercurrent pulmonary illnesses, including, but not limited to, any underlying pulmonary disorder (ie, pulmonary emboli within 3 months of the study enrollment, severe asthma, severe chronic obstructive pulmonary disease, restrictive lung disease, pleural effusion, etc), and potential pulmonary involvement caused by any autoimmune, connective tissue, or inflammatory disorders (eg, rheumatoid arthritis, Sjögren's syndrome, sarcoidosis, etc), prior pneumonectomy, or requirement for supplemental oxygen

The Estimated Number of Participants

  • Taiwan

    17 participants

  • Global

    60 participants