Cetuximab and Envafolimab Plus mFOLFOXIRI as First-line Treatment for RAS/BRAF Wild-type, MSS, Unresectable Left-side Metastatic Colorectal Cancer

Sponsor
Sun Yat-sen University
Study ID
NCT05959356
Phase
PHASE2
Status
Recruiting

Conditions

  • Metastatic Colorectal Cancer

Eligibility Criteria

Sex
ALL
Age
18 Years - N/A
Healthy Volunteers
Not accepted

Interventions

  • Cetuximab + Envafolimab + mFOLFOXIRI — DRUG
    Cetuximab 500mg/m² + envafolimab 200mg + irinotecan 150 mg/m² + oxaliplatin 85 mg/m² + leucovorin 200 mg/m² + 5-FU 2400 mg/m² civ. 46h all on day 1 of each 2 weeks cycle up to max 8 cycles, followed by maintenance with cetuximab 500mg/m² + envafolimab 200mg + leucovorin 200 mg/m² + 5-FU 400 mg/m² + 5-FU 2400 mg/m² civ. 46h all on day 1 of each 2 weeks cycle until PD, unacceptable toxicity or patient's refusal.
  • Cetuximab + mFOLFOX6 — DRUG
    Cetuximab 500mg/m² + oxaliplatin 85 mg/m² + leucovorin 200 mg/m² + 5-FU 400 mg/m² + 5-FU 2400 mg/m² civ. 46h all on day 1 of each 2 weeks cycle up to max 8 cycles, followed by maintenance with cetuximab 500mg/m² + leucovorin 200 mg/m² + 5-FU 400 mg/m² + 5-FU 2400 mg/m² civ. 46h all on day 1 of each 2 weeks cycle until PD, unacceptable toxicity or patient's refusal.

Study Details

The primary aim of phase II CEIL study is to evaluate the efficacy of cetuximab and envafolimab plus mFOLFOXIRI versus cetuximab plus mFOLFOX6 as first line treatment of patients with initially unresectable and previously untreated RAS/BRAF wild-type, MSS, left-side metastatic colorectal cancer(mCRC), in terms of Progression-free Survival.

Key Dates

First listed
Jul 25, 2023
Start date
Nov 9, 2023
Status verified
Nov 2025
Primary completion
Dec 31, 2026
Completion
Dec 31, 2028

Study Design

Enrollment
198 participants (estimated)
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT

Arms

  • Experimental: Arm A
    cetuximab+envafolimab+mFOLFOXIRI up to 8 cycles followed by maintenance with cetuximab+envafolimab+5-FU/LV
  • Active Comparator: Arm B
    cetuximab+mFOLFOX6 up to 8 cycles followed by maintenance with cetuximab+5-FU/LV

Primary Outcome Measure

Progression free survival [ Time Frame: 2 year ]

Central Contacts

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