Phase I Study of CCRT as Adjuvant Treatment for Stage II/III Operable Rectal Cancer.
Rectal Cancer
About this trial
This is an interventional treatment trial for Rectal Cancer focused on measuring Rectal cancer, S-1, Chemoradiotherapy, Phase I
Eligibility Criteria
Inclusion Criteria:
- R0 resection of histologically proved stage II/III rectal cancer;
- 18-75 years old;
- No previous radiotherapy or chemotherapy for rectal cancer;
- Performance status of ECOG 0,1;
Adequate organ function defined as below:
i. WBC ≥ 4,000/mm^3 ii. ANC ≥ 1,500/mm^3 iii. Hemoglobin ≥ 10g/dL iv. Platelet ≥ 100,000/m^3 v. Total bilirubin ≤ 1.5ULN vi. AST/ALT ≤ 1.5ULN vii. Serum creatinine ≤ 1.5ULN or creatinine clearance rate ≥ 60ml/min、Urea nitrogen ≤ 1.5ULN viii. Protein in urine dipstick test<1+; if the test result >1+ ,total protein in urea must <500mg within 24 hours
- Able to receive oral administration
- Informed consent
Exclusion Criteria:
- Hypersensitive to S-1 or its excipients
- Pulmonary fibrosis or interstitial pneumonitis found within 28 days prior to registration
- Significant co-morbid medical conditions, including, but not limited to, heart failure, renal failure, hepatic failure, hemorrhagic peptic ulcer, mechanical or paralytic ileus, or poorly controlled diabetes
- Received any investigational drug or anti-cancer agent
- Pregnant or lactating female or pregnancy test positive
- Severe mental disorder
- Judged ineligible by physicians for participation in the study due to safety concern.
Sites / Locations
- Zhenzhou-YangRecruiting
Arms of the Study
Arm 1
Experimental
Chemoradiotherapy
There are four dose levels and one arm only. Level 1: S-1, 50 mg/m2, Day 1-14, 22-35; RT Total dose 50.4Gy/28fractions/6 weeks Level 2: S-1, 65 mg/m2, Day 1-14, 22-35; RT Total dose 50.4Gy/28fractions/6 weeks Level 3: S-1, 80 mg/m2, Day 1-14, 22-35; RT Total dose 50.4Gy/28fractions/6 weeks Level 4: S-1, 90 mg/m2, Day 1-14, 22-35; RT Total dose 50.4Gy/28fractions/6 weeks