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No longer recruiting (closed or complete)Last updated: 2 September 2025

This phase I study is seeking to determine the best dose level, safety and effectiveness of a new cancer treatment (AMT-151) in people with certain advanced solid cancersFirst-in-Human, Phase 1 Study of AMT-151, an Anti-Folate Receptor Alpha Antibody-Drug Conjugate, in Patients With Selected Advanced Solid Tumours

Trial purpose

Medical clipboardCancer treatment

Tumor type

Multi-Cancer Multi-Cancer

Age

People18+

Clinical summary

Summary

Eligible participants will receive AMT-151 intravenously (via IV).

Conditions

This trial is treating people with advanced serous, endometrioid, clear-cell, or mucinous epithelial ovarian cancer, fallopian tube cancer, or primary peritoneal cancer; serous, endometrioid, or clear-cell endometrial cancer; adenocarcinoma of the lung; triple-negative breast cancer; pancreatic ductal adenocarcinoma; and malignant pleural mesothelioma

Eligibility

Inclusion

  • Patients must be willing and able to sign the Informed Consent Form, and to adhere to the study visit schedule and other protocol requirements.
  • Age ≥18 years (at the time consent is obtained).
  • Patients with the following histologically confirmed, advanced cancer diagnoses:

    1. Serous, endometrioid, clear-cell, or mucinous epithelial ovarian cancer, fallopian tube cancer, or primary peritoneal cancer.
    2. Serous, endometrioid, or clear-cell endometrial cancer.
    3. Adenocarcinoma of the lung.
    4. Triple-negative breast cancer.
    5. Pancreatic ductal adenocarcinoma.
    6. Malignant pleural mesothelioma.
  • Patients who have undergone any number of prior systemic therapies and have radiologically or clinically determined progressive disease during or after their most recent line of therapy, and for whom no further standard therapy is available, or who are intolerable to standard therapy.
  • Patients must have at least one measurable or non-measurable lesion as per RECIST version 1.1.
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
  • Adequate function of bone marrow, liver, kidneys, heart.
  • Both male and female patients must agree to use effective contraceptive methods.
  • Women of child-bearing potential (WCBP) must have a negative serum pregnancy test.
  • Availability of tumour tissue sample (either an archival specimen or a fresh biopsy material) at screening.

Exclusion

  • Prior treatment with any agent targeting Folate Receptor Alpha.
  • Active central nervous system metastasis.
  • Persistent toxicities from previous systemic anti-neoplastic treatments of Grade >1.
  • Systemic anti-neoplastic therapy within five half-lives or 21 days, whichever is shorter, prior to the first dose of the study drug.
  • Radiotherapy to lung field at a total radiation dose of >= 20 Gy within 6 months, wide-field radiotherapy (>30% of marrow-bearing bones) within 28 days, or focal radiation for analgesic purpose or for lytic lesions at risk of fracture within 14 days prior to the first dose of the study drug, or no recovery from side effects of such intervention.
  • Major surgery (not including placement of vascular access device or tumor biopsies) within 28 days prior to the first dose of the study drug, or no recovery from side effects of such intervention.
  • Prior allogeneic or autologous bone marrow transplantation.
  • Significant cardiac or lung disease, active or chronic ocular disorders, thromboembolic or cerebrovascular events within 6 months prior to the first dose of the study drug, acute and/or clinically significant bacterial, fungal, or viral infection.
  • Pregnant or breast-feeding females.

Note: Other protocol defined Inclusion/Exclusion criteria apply.

Inclusion

  • You have had treatment but your cancer has gotten worse or has not responded to the treatment you have been given.

Exclusion

  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
Message

Clinical trials have complex eligibility criteria, and other criteria may apply for this trial. Ask your doctor about whether this trial could be right for you.

Participating hospitals

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No longer recruiting (closed or complete) hospitals

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More information

Trial Identifiers

Information on this page is partially produced from ClinicalTrials.gov *. View further details about this trial on the registry via the links below:

Trial sponsor

Multitude Therapeutics Inc.

Scientific Title

First-in-Human, Phase 1 Study of AMT-151, an Anti-Folate Receptor Alpha Antibody-Drug Conjugate, in Patients With Selected Advanced Solid Tumours

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