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Efficacy of aspirin for stage III colorectal cancer: a randomized double-blind placebo-controlled trial (JCOG1503C, EPISODE III)

Efficacy of aspirin for stage III colorectal cancer: a randomized double-blind placebo-controlled trial (JCOG1503C, EPISODE III) - Efficacy of aspirin for stage III colorectal cancer: a randomized double-blind placebo-controlled trial (JCOG1503C, EPISODE III)

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000031532
Enrollment
880
Registered
2018-03-01
Start date
2018-03-30
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 III colorectal cancer

Interventions

A:Placebo. Patients in this group receive placebo for 3 years with adjuvant chenmotherapy(mFOLFOX6, CAPOX ,or capecitabine). B:Aspirin. Patients in this group receive aspirin, at a dose of 100 mg for

Sponsors

Japan Clinical Oncology Group (JCOG)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Pathologically proven colorectal adenocarcinoma. 2) Tumor is mainly located between cecum and upper rectum, excluding appendix and that invades to lower rectum. 3) Tumor resection with D2 or D3 lymph node dissection was performed. 4) R0 resection was performed. 5) Stage III cancer (UICC TNM classification 7th ed.). 6) No synchronous colorectal cancer which invade muscularis propria or deeper. 7) Age at registration is of 20 to 80 years old. 8) ECOG Performance status is 0 or 1. 9) No prior chemotherapy or radiation therapy. 10) No anti-platelet drug or anti-coagulant drug at registration. 11) No periodic oral NSAIDs at registration. 12) No history or complication of gastric or duodenal ulcer 13) No history of bronchial asthma. 14) No inflammatory bowel disease and hemorrhagic disease. 15) It is possible to take foods and drugs orally. 16) Within 8 weeks after surgery. 17) Major organ function is preserved. ANC>=3,000/mcl, PLT>=75,000/mcl, T-bil<=2.0 mg/dl, GOT<=100 IU/L, GPT<=100 IU/L , Cr<=1.5 mg/dl 18) The following chemotherapy will be performed as adjuvant chemotherapy. 1.Cpecitabine,2.mFOLFOX6,3.CAPOX 19) Witten informed consent is obtained

Exclusion criteria

Exclusion criteria: 1) Synchronous or metachronous (within 5 years) malignancies 2) Infections which needs systemic treatment. 3) Body temperature is higher than 38 degrees centigrade at registration. 4) History of allergy aspirin or salicylic acid. 5) Female during pregnancy, within 28 days of postparturition, or during lactation. 6) Severe psychological disease. 7) Continuous systemic corticosteroid or immunosuppressant treatment. 8) Severe postoperative complicatoins which do not resolve until registration. 9) Regularly using phenytoin. 10) Uncontrollable diabetes mellitus. 11) Uncontrollable hypertension. 12) Unstable angina pectoris, or history of myocardial infarction within 6 months.

Design outcomes

Primary

MeasureTime frame
Disease-free survival

Secondary

MeasureTime frame
Overall survival, Relapse-free survival, Relative dose intensity, Adverse events, Sever adverse events.

Countries

Japan

Contacts

Public ContactAtsuo Takashima

JCOG1503C Coordinating Office Gastrointestinal Medical Oncology, National Cancer Center Hospital

JCOG_sir@ml.jcog.jp03-3542-2511

Outcome results

None listed

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