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Neoadjuvant chemotherapy for left-sided obstructive colon cancer after decompression

A phase II study evaluating the safety and efficacy of neoadjuvant chemotherapy and surgery after decompression with SEMS or stoma for left-sided obstructive colorectal cancer

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs021230067
Enrollment
45
Registered
2024-03-29
Start date
2024-03-29
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

left-sided obstructive colorectal cancer

Interventions

Preoperative chemotherapy: Two courses of CAPOX therapy after SEMS or stoma decompression. Surgery: Surgery is performed as soon as the patient has recovered from the adverse events of chemotherapy.

Sponsors

Miura Takuya
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Histologically proven colorectal adenocarcinoma. 2) The lower margin of the tumor is D, S, or RS. 3) It is confirmed to be inability to pass scope during colonoscopy and be CROSS 0-1 before decompression. 4) Successful decompression with stent or stoma. 5) Eastern Cooperative Oncology Group performance status (PS) 0-1. 6) Age at enrollment is 18 years or older. 7) Adequate hematological, hepatic, renal and metabolic function parameters. 8) Written informed concent.

Exclusion criteria

Exclusion criteria: 1) Invasion to other organs. 2) Distant metastasis. 3) CT after decompression shows residual obstructive colitis or abscess formation. 4) Active multiple carcinomas (intraepithelial carcinoma is acceptable). 5) Bone marrow suppression (neutrophil count <1,500/mm3, platelet count <100,000/mm3). 6) Severe renal impairment (creatinine clearance* <30 mL/min). 7) Prior chemotherapy for the subject disease. 8) Previous radiotherapy in the pelvic region. 9) Drug sensitivity to study medications. 10) History of major surgery (implantable central venous reservoir placement and stoma placement are acceptable) within 28 days prior to enrollment. 11) History of clinically severe cardiovascular disease (myocardial infarction, unstable angina, heart failure, stroke, pulmonary embolism, other thromboembolism, etc.) within 6 months prior to enrollment. 12) Severe complications (interstitial pneumonia or pulmonary fibrosis, liver failure, active infection, etc.) 13) Pregnant woman, lactating woman, a woman who intends to be pregnant or a man whose partner wishes to become pregnant. 14) Other cases deemed by the investigator to be inappropriate for the safe conduct of this study.

Design outcomes

Primary

MeasureTime frame
3 year disease-free survival rate

Secondary

MeasureTime frame
Preoperative chemotherapy completion rate, preoperative chemotherapy adverse event rate, R0 rate, postoperative chemotherapy completion rate, postoperative chemotherapy adverse event rate, complication rate after primary tumor resection, complication rate after stoma closure, 3 year permanent stoma rate, 3 year local recurrence rate, 3 year overall survival rate

Contacts

Public ContactTakuya Miura

Hirosaki University Hospital

tmiura@hirosaki-u.ac.jp+81-172-39-5079

Outcome results

None listed

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