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Sequential Versus Combination Chemotherapy in Advanced Colorectal Carcinoma

ABSTRACT: Primary objective:To assess the efficacy, defined as overall survival, of sequential versus combination chemotherapy for advanced colorectal cancer (CRC). Methodology Open, randomised multicenter phase III study. Randomisation by centre will be centralized. 820 patiënts with histologically proven advanced CRC; not amenable to curative surgery. Measurable or evaluable disease. Age 18 years and above. WHO performance status 0-2. Test products: Arm A: First line: capecitabine capecitabine 1250 mg/m2 orally b.i.d. on day 1-14 (q3),until progression or unacceptable toxicity. Second line: irinotecan 350 mg/m2 IV infusion on day 1 (q3),until progression or unacceptable toxicity. Third line: oxaliplatin 130 mg/m2 IV infusion on day 1 and capecitabine 1000 mg/m2 orally b.i.d. on day 1-14 (q3). Arm B: First line: irinotecan 250 mg/m2 IV infusion in 30 minutes on day 1 and capecitabine 1000 mg/m2 orally b.i.d. on day 1-14 (q3), until progression or unacceptable toxicity. Second line: oxaliplatin 130 mg/m2 IV on day 1 and capecitabine 1000 mg/m2 orally b.i.d. on day 1-14 (q3), until progression or unacceptable toxicity. Patients will be followed by CT-scan every 9 weeks for response while on treatment, or at any other moment when progression is suspected. After cessation of chemotherapy, patients will be followed every 3 months until death. Clinical and laboratory toxicity/symptomatology will be graded according to NCI common criteria.

DISEASE(S): Colorectal Neoplasms,Advanced Colorectal Cancer,Cancer

PROVIDER: 2027879 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:Interventions: Alternating oxaliplatin and irinotecan doublet treatment schedules. Arm A:Clinician’s choice doublet chemotherapy (standard chemotherapy) Arm B: Alternating schedule of 2 cycles of oxaliplatin doublet chemotherapy and 2 cycles of irinotecan doublet chemotherapy, i.e. mFOLFOX6-FOLFIRI or CAPOX-CAPIRI In both arms, initial combination chemotherapy will be given for 4-6 months as per standard of care, followed by maintenance fluoropyrimidine chemotherapy until disease progression, unmanageable toxicity or patient or treating clinician’s request. Biologic therapy (bevacizumab or an EGFR inhibitor) will be given according to clinician’s choice; however, as per guidelines, EGFRI use will be restricted to patients with left-sided RAS wild-type tumours. 1) Intervention drug - Doublet chemotherapy (mFOLFOX6, FOLFIRI, CAPOIX or CAPIRI) mFOLFOX6 Frequency: every 2 weeks Oxaliplatin 85 mg/m2 IV day 1 Leucovorin 50 mg IV day 1 Fluorouracil (5FU) 400 mg/m2 IV day 1 Fluorouracil (5FU) infusion 2,400 mg/m2 over 46 hours day 1-2 FOLFIRI Frequency: every 2 weeks Irinotecan 180 mg/m2 IV day 1 (150 mg/m2 if > 70 y.o.) Leucovorin 50 mg IV day 1 Fluorouracil (5FU) 400 mg/m2 IV day 1 Fluorouracil (5FU) infusion 2,400 mg/m2 over 46 hours day 1-2 CAPOX Frequency: every 3 weeks Oxaliplatin 130 mg/m2 IV day 1 Capecitabine 850-1000 mg/m2 orally BD days 1-14 CAPIRI Frequency: every 3 weeks Irinotecan 240 mg/m2 IV day 1 Capecitabine 850-1000 mg/m2 orally BD days 1-14 New drug schedules have been created for the hospital staff to keep track of the alternating cycles. Whether a participant receives mFOLFOX6-FOLFIRI or CAPOX-CAPIRI is decided by the treating practitioner, based on their usual treatment practice. When a patient is on the interventional treatment e.g. CAPOX-CAPIRI, the different treatments are staggered every 3 weeks. For FOLFOX-FOLFIRI, the the different treatments are stag Primary outcome(s): To examine the feasibility of a multi-centre prospective registry-based randomised clinical trial evaluating alternating oxaliplatin and irinotecan doublet schedules vs. continuous doublet chemotherapy during initial treatment of metastatic colorectal cancer. The primary feasibility endpoint will be evaluated by recruitment rate, defined as the proportion of eligible mCRC patients who enrol onto this study. [Eligible participants will be recruited over 1.5 years. All participants will be followed until death or study completion. ] Study Design: Purpose: Treatment; Allocation: Randomised controlled trial; Masking: Open (masking not used);Assignment: Parallel;Type of endpoint: Safety/efficacy

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Sequential Versus Combination Chemotherapy in Advanced Colorectal Carcinoma

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