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A multicenter, retrospective cohort study of immune microenvironment in PARPi-resistant ovarian cancer

A multicenter, retrospective cohort study of immune microenvironment in PARPi-resistant ovarian cancer

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500098849
Enrollment
Unknown
Registered
2025-03-14
Start date
2025-03-14
Completion date
Unknown
Last updated
2025-03-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ovarian cancer

Interventions

PARPi maintenance therapy for patients with recurrent ovarian cancer:None
PARPi maintains patients with treatment-sensitive ovarian cancer:None

Sponsors

Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1.Newly diagnosed FIGO stage III–IV high-grade serous carcinoma, endometrioid carcinoma, primary peritoneal carcinoma, or fallopian tube carcinoma; 2.Patients experiencing their first recurrence of ovarian cancer or platinum-sensitive recurrence (PSR) during first-line PARP inhibitor (PARPi) maintenance therapy; 3.Presence of gBRCA1/2m, sBRCA1/2m, or non-BRCA1/2m homologous recombination deficiency (HRD); 4.Primary debulking surgery (PDS) performed at the enrolling institution, with well-preserved clinical data and pathological specimens; 5.Achieved complete response (CR) or partial response (PR) based on RECIST 1.1 criteria following postoperative platinum-based chemotherapy. 6. NACT is not used.

Exclusion criteria

Exclusion criteria: 1.Pathologically confirmed non-high-grade serous carcinoma, endometrioid carcinoma, primary peritoneal carcinoma, or fallopian tube carcinoma; 2.Lacking complete clinical data and pathological specimens. 3. NACT is used.

Design outcomes

Primary

MeasureTime frame
CA125 levels;2-year progression-free survival PFS;

Secondary

MeasureTime frame
More than 2 years progression-free survival (PFS) ;Identify clinical and/or molecular features associated with PARPi treatment outcomes;More than 2 yearsoverall survival (OS);

Countries

China

Contacts

Public ContactXipeng Wang

Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine

wangxipeng@xinhuamed.com+86 21 25078999

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026