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OncoMatch/Clinical Trials/NCT06518564

Avelumab and M1774 in ARID1A-mutated Endometrial Cancer

Is NCT06518564 recruiting? Yes, currently enrolling (May 2026). This Phase 2 trial studies multiple treatments including Avelumab and M1774 for endometrial cancer.

Phase 2RecruitingPanagiotis Konstantinopoulos, MD, PhDNCT06518564Data as of May 2026

Treatment: Avelumab · M1774The purpose of this research study is to see if the combination of study drugs avelumab and M1774 is effective and safe for participants with endometrial cancer. The names of the study drugs involved in this study are: * Avelumab (a type of human IgG1 antibody) * M1774 (a type of ATR inhibitor)

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Extracted eligibility criteria

Cancer type

Endometrial Cancer

Biomarker criteria

Required: ARID1A loss of function mutation

Performance status

ECOG 0–2(Ambulatory, capable of self-care)

Prior therapy

Min 1 prior line

Must have received: chemotherapy — for management of endometrial carcinoma

patients must have had one prior chemotherapeutic regimen for management of endometrial carcinoma

Cannot have received: chemotherapy, immunotherapy, other investigational therapy, or radiotherapy (nitrosoureas, mitomycin C)

Exception: hormonal therapy (no washout required)

Participants who have had chemotherapy, immunotherapy, other investigational therapy, or radiotherapy within 4 weeks (6 weeks for nitrosoureas or mitomycin C) prior to entering the study. There is no required washout period for hormonal therapy.

Lab requirements

Blood counts

Absolute neutrophil count ≥ 1,500/mcL; Hemoglobin ≥ 9.0 g/dL (no erythropoietin or RBC transfusion within last 14 days); Platelets ≥ 100,000/mcL

Kidney function

Creatinine clearance ≥ 60 mL/min (Cockcroft-Gault or institutional standard) OR GFR ≥ 60 mL/min (24-hour urine collection)

Liver function

Total bilirubin ≤ 1.5 institutional ULN (≤3 x ULN if Gilbert's syndrome); AST(SGOT)/ALT(SGPT) ≤ 2.5 × ULN (≤5 x ULN if hepatic involvement)

Cardiac function

QTc average (Fridericia) ≤ 470 msec (must resolve with correction of electrolyte abnormalities)

Participants must meet the following organ and marrow function as defined below: Absolute neutrophil count ≥ 1,500/mcL; Hemoglobin ≥ 9.0 g/dL (with no erythropoietin or red blood cell transfusion within the last 14 days); Platelets ≥ 100,000/mcL; Total bilirubin ≤ 1.5 institutional upper limit of normal (ULN) in the case of documented Gilbert's syndrome, total bilirubin ≤3 x ULN is allowed; AST(SGOT)/ALT(SGPT) ≤ 2.5 × institutional ULN in patients with documented hepatic involvement, AST/ALT ≤ 5 x ULN is allowed; Creatinine clearance ≥ 60 mL/min as estimated by the Cockcroft-Gault formula or institutional standard method OR Glomerular filtration rate (GFR) ≥ 60 mL/min by measured 24-hour urine collection; Calculated QTc average (using the Fridericia correction calculation) of > 470 msec that does not resolve with correction of electrolyte abnormalities [excluded].

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

US trial sites

  • Dana-Farber Cancer Institute · Boston, Massachusetts
  • Brigham and Women's Hospital · Boston, Massachusetts

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