Status:

RECRUITING

A Study of MT-4561 in Patients With Various Advanced Solid Tumors

Lead Sponsor:

Tanabe Pharma America, Inc.

Conditions:

Head and Neck Squamous Cell Carcinoma (HNSCC)

Non-small Cell Lung Cancer (NSCLC)

Eligibility:

All Genders

18+ years

Phase:

PHASE1

PHASE2

Brief Summary

This is a First In Human (FIH), multicenter, open-label, Phase I/II study to evaluate safety, tolerability, Pharmacokinetics (PK), pharmacodynamics, and efficacy of MT-4561 in patients with advanced s...

Eligibility Criteria

Inclusion

  • Main
  • Patients who have failed at least 1 prior therapy and, who have no standard treatment options demonstrated to provide clinical benefit or who are intolerable to or refuse further standard therapies will be enrolled.
  • Male or female patient aged 18 years or older at the time of signing the informed consent form
  • ≥ 1 measurable lesion by the RECIST v1.1
  • Eastern Cooperative Oncology Group (ECOG) performance status: 0 to 1
  • Life expectancy of at least 3 months
  • Adequate bone marrow function
  • Adequate hepatic function
  • Adequate renal function estimated creatinine clearance ≥ 60 mL/min calculated using the Cockcroft and Gault equation or by institutional method
  • Part 1: Patients must have a confirmed histologic or cytologic diagnosis of one of the following solid tumors for participation in the study: head and neck squamous cell carcinoma (HNSCC), non-small cell lung cancer (NSCLC), esophageal cancer, gastric cancer, biliary tract cancer, pancreatic ductal adenocarcinoma (PDAC), breast cancer, ovarian cancer, cervical cancer, endometrial cancer, prostate cancer, urothelial carcinoma, neuroendocrine tumor (NET) or neuroendocrine carcinoma (NEC), soft tissue sarcoma, and NUT carcinoma.
  • Main

Exclusion

  • Patients with active brain or leptomeningeal metastases
  • Any unresolved toxicity ≥ Grade 2 from previous anticancer therapy except for alopecia
  • Prior systemic anticancer therapy within 4 weeks before first dose of investigational medicinal product (IMP) or 5 half-lives, whichever is shorter, and prior radiotherapy within 2 weeks before first dose of IMP
  • History of congenital long QT syndrome or clinically significant ventricular arrhythmias (such as ventricular tachycardia, ventricular fibrillation or Torsades de pointes)
  • Patients who received drugs with a known risk of QT interval prolongation or Torsades de pointes within 14 days or 5 half-lives, whichever is shorter, before the start of IMP administration
  • QT interval corrected for heart rate using Fridericia's correction (QTcF) \> 470 msec at screening

Key Trial Info

Start Date :

April 18 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

August 1 2028

Estimated Enrollment :

27 Patients enrolled

Trial Details

Trial ID

NCT06943521

Start Date

April 18 2025

End Date

August 1 2028

Last Update

December 11 2025

Active Locations (6)

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Page 1 of 2 (6 locations)

1

University of Southern California

Los Angeles, California, United States, 90033

2

START Midwest

Grand Rapids, Michigan, United States, 49546

3

The James Cancer Hospital and Solove Research Institute at The Ohio State University Comprehensive Cancer Center

Columbus, Ohio, United States, 43210

4

The University of Texas MD Anderson Cancer Center

Houston, Texas, United States, 77030