OncoMatch

OncoMatch/Clinical Trials/NCT05377996

A Study of XMT-1660 in Participants With Solid Tumors

Is NCT05377996 recruiting? Yes, currently enrolling (May 2026). This Phase 1 trial studies XMT-1660 for triple negative breast cancer.

Phase 1RecruitingMersana TherapeuticsNCT05377996Data as of May 2026

Treatment: XMT-1660A Study of XMT-1660 in Solid Tumors

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Extracted eligibility criteria

Cancer type

Triple-Negative Breast Cancer

Breast Carcinoma

Endometrial Cancer

Ovarian Cancer

Head and Neck Squamous Cell Carcinoma

Biomarker criteria

Excluded: VTCN1 prior B7-H4 targeted treatment

Prior B7-H4 targeted treatment

Performance status

ECOG 0–1(Restricted strenuous activity)

Prior therapy

Cannot have received: antibody-drug conjugate

Exception: Prior treatment with another ADC containing other payloads is allowed

Prior treatment with an Antibody Drug Conjugate (ADC) containing an auristatin payload

Cannot have received: B7-H4 targeted therapy

Prior B7-H4 targeted treatment

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • Mayo Clinic Comprehensive Cancer Center · Phoenix, Arizona
  • UC Irvine Health-Chao Family Comprehensive Cancer Center · Orange, California
  • UCSF Helen Diller Family Comprehensive Cancer Center · San Francisco, California
  • UCLA · Santa Monica, California
  • Mayo Clinic - Jacksonville · Jacksonville, Florida

Showing up to 5 US sites. See all sites on ClinicalTrials.gov →

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