Prospective Study of Reduced Port Surgery Combined with Transvaginal Specimen Extraction for Colorectal Cancer Resection

Prospective Study of Reduced Port Surgery Combined with Transvaginal Specimen Extraction for Colorectal Cancer Resection - Prospective Study of Reduced Port Surgery Combined with Transvaginal Specimen Extraction for Colorectal Cancer Resection

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000016859

Enrollment

Registered

2015-03-21

Start date

2014-05-12

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

Colorectal cancer

Interventions

Reduced Port Surgery Combined with Transvaginal Specimen Extraction for Colorectal Cancer Resection

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: (1) colorectal cancer patients undergoing elective surgery (2) histologically proven colorectal carcinoma (3) tumor located in the sigmoid colon or rectosigmoid colon (4) Stage 0-I, according to the TNM classification system (5) age >= 20 and <= 80 years, no willing to bear children, previous childbirth with vaginal delivery (6) without any gynecological comorbidities need to be treated (7) vaginal examination shows no inadequate conditions for transvaginal specimen extraction such as stenosis of vagina (8) no history of diseases which could cause pelvic adhesion such as pelvic peritonitis (9) PS (ECOG) 0 or 1 (10) no history of gastrointestinal resection (except appendectomy) (11) no history of chemotherapy or radiotherapy for other cancers (12) no preoperative chemotherapy or radiotherapy (13) with a good condition of important organs 1. WBC : >= 3,000/mm3 2. platelet >= 100,000/mm3 3. serum creatinine <= 1.5mg/dL 4. ALT/AST <= 5-times the upper limit of normal in facility criteria (14) provided written informed consent

Exclusion criteria

Exclusion criteria: (1) synchronous or metachronous (within 5 years) malignancy other than carcinoma in situ (2) with uncontrolled diabetes mellitus (including the case requiring insulin administration) (3) with uncontrolled congestive heart disease, ischemic heart disease, hypertension or arhythmia (4) severe mental disease (5) not appropriate for the study at the physician's assessment

Design outcomes

Primary

Measure	Time frame
Safety	—

Countries

Japan

Contacts

Public ContactAtsushi Hamabe

Graduate School of Medicine, Osaka University Department of Gastroenterological Surgery

ahamabe@gesurg.med.osaka-u.ac.jp06-6879-3251

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026