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New cancer drug MT-4561 enters first human tests

NCT ID NCT06943521

Recruiting now Disease control Sponsor: Tanabe Pharma America, Inc. Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This early-phase trial tests a new drug called MT-4561 in about 27 people with advanced solid tumors (like lung, breast, or pancreatic cancer) who have no standard options left. The main goals are to find a safe dose and see if the drug can shrink tumors. It is a first-in-human study, so the drug's effects and risks are still unknown.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

MT-4561 (given intravenously)

What this could lead to

If it works, this could point toward a new treatment option for people with advanced solid tumors who have run out of standard therapies.

What could go wrong

This is a very early first-in-human trial with only 27 participants. The drug may not shrink tumors or could cause serious side effects. Success is far from guaranteed.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

biliary tract cancer Biliary Tract Neoplasms breast cancer breast neoplasm carcinoma cervical cancer endometrial cancer endometrium neoplasm esophageal cancer Esophageal Neoplasms gastric cancer gastric neoplasm head and neck squamous cell carcinoma neuroendocrine carcinoma neuroendocrine neoplasm non-small cell lung carcinoma ovarian cancer pancreatic ductal adenocarcinoma prostate cancer sarcoma soft tissue sarcoma Squamous Cell Carcinoma of Head and Neck transitional cell carcinoma urothelial carcinoma Uterine Cervical Neoplasms

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

BILIARY TRACT CANCER BREAST CANCER CERVICAL CANCER ENDOMETRIAL CANCER ESOPHAGEAL CANCER GASTRIC CANCER HEAD AND NECK SQUAMOUS CELL CARCINOMA (HNSCC) NEUROENDOCRINE CARCINOMA (NEC) NEUROENDOCRINE TUMOR (NET) NON-SMALL CELL LUNG CANCER (NSCLC) NUCLEAR PROTEIN IN TESTIS (NUT) CARCINOMA OVARIAN CANCER PANCREATIC DUCTAL ADENOCARCINOMA (PDAC) PROSTATE CANCER SOFT TISSUE SARCOMA UROTHELIAL CARCINOMA

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • National Cancer Center Hospital

    RECRUITING

    Chuo-Ku, Tokyo, 104-0045, Japan

  • National Cancer Center Hospital East

    RECRUITING

    City, Japan

  • START Midwest

    RECRUITING

    Grand Rapids, Michigan, 49546, United States

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

    RECRUITING

    Columbus, Ohio, 43210, United States

  • The University of Texas MD Anderson Cancer Center

    RECRUITING

    Houston, Texas, 77030, United States

  • University of Southern California

    RECRUITING

    Los Angeles, California, 90033, United States