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OncoMatch/Clinical Trials/NCT07044336

Puxitatug Samrotecan (AZD8205) Monotherapy vs Chemotherapy in B7-H4-selected Endometrial Cancer (Bluestar-Endometrial01)

Is NCT07044336 recruiting? Yes, currently enrolling (May 2026). This Phase 3 trial studies multiple treatments including Puxitatug Samrotecan and Doxorubicin for endometrial cancer.

Phase 3RecruitingAstraZenecaNCT07044336Data as of May 2026

Treatment: Puxitatug Samrotecan · Doxorubicin · PaclitaxelThis is a Phase III, 2-arm, randomized, open label, multicenter, global study assessing the efficacy and safety of puxitatug samrotecan compared to physician's choice of chemotherapy (doxorubicin or paclitaxel) in participants with B7-H4 selected advanced/metastatic EC that progressed following platinum based chemotherapy and anti-PD-1/anti-PD-L1 therapy.

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Extracted eligibility criteria

Cancer type

Endometrial Cancer

Biomarker criteria

Required: VTCN1 overexpression

B7-H4-selected Endometrial Cancer

Disease stage

Metastatic disease required

Performance status

WHO/ECOG 0–1

Prior therapy

Must have received: platinum-based chemotherapy

Has received prior platinum-based chemotherapy

Must have received: anti-PD-1 therapy

Has received prior ... anti-programmed cell death 1 protein (PD-1) ... therapy

Must have received: anti-PD-L1 therapy

Has received prior ... anti-programmed cell death ligand 1 (PD-L1) therapy

Cannot have received: topoisomerase I inhibitor

Had previously received treatment with any therapy (approved or investigational) that contained a TOP1i including ADCs

Cannot have received: B7-H4 targeting agent (Puxi-Sam)

Had previously received treatment with Puxi-Sam or another B7-H4 targeting agent

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

US trial sites

  • Research Site · Honolulu, Hawaii
  • Research Site · Chicago, Illinois
  • Research Site · Peoria, Illinois
  • Research Site · Urbana, Illinois
  • Research Site · Fort Wayne, Indiana

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

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