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Clinical Trials List

Protocol NumberMK-3475-06E
NCT Number(ClinicalTrials.gov Identfier)NCT06780111
Active

2025-02-07 - 2032-12-31

Phase I/II

Recruiting8

ICD-10C15.3

Malignant neoplasm of upper third of esophagus

ICD-10Z51.12

Encounter for antineoplastic immunotherapy

ICD-9150.0

Malignant neoplasm of cervical esophagus

A Phase 1/2 Open-Label, Umbrella Platform Design Study of Investigational Agents in Combination With Pembrolizumab (MK-3475) With or Without Chemotherapy in Participants With 1L Locally Advanced Unresectable/Metastatic Esophageal Cancer: KEYMAKER-U06 Substudy 06E

  • Trial Applicant

    Merck Sharp & Dohme (I.A.) LLC

  • Sponsor

  • Trial scale

    Multi-Regional Multi-Center

  • Update

    2026/07/10

Investigators and Locations

Principal Investigator 李劭軒 

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Chih-Hung Hsu

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

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

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

The Actual Total Number of Participants Enrolled

0 Recruiting

Condition/Disease

Esophageal Squamous Cell Carcinoma

Objectives

主要目的: 1. 評估研究性治療組合的安全性和耐受性,並建立研究性藥物的第2期試驗建議劑量(RP2D)。 2. 由盲性獨立中央審查(BICR)依據實體腫瘤反應評估標準第1.1版(RECIST 1.1)進行評估,針對選定的劑量估計客觀反應率(ORR)。 次要目的: 1. 由BICR依據RECIST 1.1進行評估,針對選定的劑量評估反應持續時間(DOR)。 2. 由BICR依據RECIST 1.1進行評估,針對選定的劑量評估無惡化存活期(PFS)。 3. 針對選定的劑量評估整體存活期(OS)。 4. 由BICR依據RECIST 1.1進行評估,針對選定的劑量評估疾病控制率(DCR)。 5. 描述I-DXd與其他藥物合併使用的藥物動力學(PK)概況特性。 6. 描述I-DXd的免疫原性概況特性。

Test Drug

凍晶注射劑
注射劑
注射劑
注射劑
注射劑
注射劑

Active Ingredient

A humanized anti-B7-H3 IgG1 monoclonal antibody MABX-9001a, which is covalently conjugated to a drug-linker, MAAA-1162a
1013005400
1008400200
1012001600
CALCIUM FOLINATE (EQ TO FOLINIC ACID)
Recombinant humanized IgG1 anti-TROP2 monoclonal antibody conjugated to KL610023

Dosage Form

243
270
270
270
270
270

Dosage

100mg/vial
25 mg/ vial
50mg/mL
5mg/ml

Endpoints

劑量限制毒性(DLT)。
AE。
客觀反應:經確認之完全反應(CR)或部分反應(PR)。

Inclution Criteria

Inclusion Criteria

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

Has histologically or cytologically confirmed diagnosis of locally advanced unresectable or metastatic squamous cell carcinoma of the esophagus in first-line (1L) setting.
Has measurable disease per RECIST 1.1 as assessed by the local site. investigator or designee/radiology assessment and verified by BICR. Lesions situated in a previously irradiated area are considered measurable if progression has been shown in such lesions.
Has had AEs due to previous anticancer therapies that have recovered to ≤Grade 1 or baseline. Endocrine-related AEs that are adequately treated with hormone replacement are elegible.
Human immunodeficiency virus (HIV)-infected participants must have well controlled HIV on antiretroviral therapy (ART).
Has Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1.
Has adequate organ function.

Exclusion Criteria

Exclusion Criteria

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

Has had systemic anticancer therapy for locally advanced unresectable or metastatic esophageal cancer.
Has tumor invasion into organs located adjacent to the esophageal disease site (eg, aorta or respiratory tract) at an increased risk of fistula.
Has uncontrollable pleural effusion, pericardial effusion, or ascites requiring frequent drainage or medical intervention.
Has clinically significant corneal disease, history of documented severe dry eye syndrome, severe Meibomian gland disease and/or blepharitis, or severe corneal disease that prevents/delays corneal healing.
HIV-infected participants with a history of Kaposi's sarcoma and/or Multicentric Castleman's Disease.
Has received prior therapy with an anti-programmed cell death 1 protein (PD-1), anti-programmed cell death ligand 1 (PD-L1), or anti-programmed cell death ligand 2 (PD-L2) agent, or with an agent directed to another stimulatory or coinhibitory T-cell receptor.
Has received prior systemic anticancer therapy including investigational agents within 4 weeks before the first dose of study intervention.
Has received prior radiotherapy within 2 weeks of start of study intervention, or has radiation-related toxicities, requiring corticosteroids.
Has received a live or live-attenuated vaccine within 30 days before the first dose of study intervention. Administration of killed vaccines is allowed.
Has inadequate cardiac function assessed as by a corrected QT interval by Fredericia (QTcF) value ≥470 msec.
Has clinically significant cardiovascular disease within 6 months from first dose of study intervention, including New York Heart Association Class III or IV congestive heart failure, unstable angina, myocardial infarction, cerebral vascular accident, or cardiac arrhythmia associated with hemodynamic instability.
Has peripheral neuropathy ≥ Grade 2.
Has diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy (in dosing exceeding 10 mg daily of prednisone equivalent) or any other form of immunosuppressive therapy within 7 days prior to the first dose of study intervention.
Has known additional malignancy that is progressing or has required active treatment within the past 3 years.
Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis.
Has active autoimmune disease that has required systemic treatment in the past 2 years.
Has had a history of interstitial lung disease (ILD)/pneumonitis irrespective of steroid use (except for a history of radiation pneumonitis that did not require steroids), has a 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.
Has clinically severe pulmonary compromise resulting from intercurrent pulmonary illnesses, including, but not limited to, any underlying pulmonary disorder.

The Estimated Number of Participants

  • Taiwan

    22 participants

  • Global

    298 participants