OncoMatch

OncoMatch/Clinical Trials/NCT07044336

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

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

Phase 3RecruitingAstraZenecaNCT07044336Data as of Jun 2026Location: International · 27 countries

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.

Check if I qualify

Extracted eligibility criteria

Treatments studied

Chemotherapy

DoxorubicinPaclitaxel

Other

Puxitatug Samrotecan

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

Demographics

Female only

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 →

Frequently asked questions

Is NCT07044336 currently recruiting?

Yes, this trial is currently recruiting patients.

Are there prior therapy exclusions?

Yes. Prior topoisomerase I inhibitor, B7-H4 targeting agent disqualifies patients from enrollment.

Does this trial require VTCN1?

Yes, VTCN1 overexpression is a required biomarker for enrollment.

Is this trial open to male patients?

No. This trial enrolls female patients only.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

Check if I qualify