A study to investigate outcomes in patients with ovarian, fallopian tube, or peritoneal cancer who underwent bowel surgery

A Multi-institutional Prospective Observational Study on Bowel Resection in Patients with Ovarian, Fallopian Tube, or Peritoneal Cancer - Ovarian Cancer Bowel Resection Study

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000059613

Enrollment

250

Registered

2025-11-01

Start date

2025-11-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Stage II-IV ovarian, fallopian tube, or peritoneal cancer

Interventions

None listed

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. Patients who underwent surgery at Niigata University Medical and Dental Hospital or Niigata Cancer Center Hospital 2. Age: 18-100 years 3. Diagnosed with Stage II-IV ovarian, fallopian tube, or peritoneal cancer 4. Including patients who underwent diagnostic laparoscopy only 5. Provided written informed consent

Exclusion criteria

Exclusion criteria: Cases judged inappropriate for study registration by the principal investigator

Design outcomes

Primary

Measure	Time frame
1. Rate of rectosigmoid resection 2. Frequency of mesenteric lymph node metastasis in patients who underwent rectosigmoid resection	—

Secondary

Measure	Time frame
1. Clinicopathological factors associated with mesenteric lymph node metastasis 2. Progression-free survival (PFS) and overall survival (OS) according to mesenteric lymph node metastasis status 3. Predictive factors for rectosigmoid resection in Stage II-IV ovarian, fallopian tube, or peritoneal cancer 4. Stoma creation and closure rates in rectosigmoid resection	—

Countries

Japan

Contacts

Public ContactYoshifumi Shimada

Niigata University Graduate School of Medical and Dental Sciences Division of Digestive and General Surgery

shimaday@med.niigata-u.ac.jp025-227-2228

Outcome results