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Clinical Trial, Phase IV
Journal Article
Multicenter Study
Dermatux: phase IV trial of Cetuximab plus FOLFIRI in first-line metastatic colorectal cancer receiving a pre-defined skin care.
PURPOSE: Cetuximab-induced skin rash Gd3+ occurs in ≥16% patients (pts) (Heinemann et al., Lancet Oncol 15(10):1065-1075, 2014; Van Cutsem et al. J Clin Oncol 27(19):3117-25; 2009b). Survival, response, and toxicity parameters were re-evaluated under a pre-defined skin prophylaxis consistent of vitamin K1 ointment and oral doxycycline.
METHODS: This is a national, multicenter, phase 4, first-line mCRC (K-RAS wt) trial. Pts received irinotecan 180 mg/m² (d1), FA 400 mg/m² (d1), 5-FU 400 mg/m² (d1), 5-FU 2400 mg/m² (d1-2), and cetuximab [400 mg/m² (d1), and then 250 mg/m² qw], prophylactic 0.1% vitamin K1 ointment qd, and oral doxycycline 100 mg bid.
PRIMARY OBJECTIVE: 1-year PFS rate; secondary objectives: skin side-effects (grade, onset), objective response rate (ORR), disease control rate (DCR), progression-free survival (PFS) time, and overall survival (OS) time and safety.
RESULTS: Twenty centers recruited 55 patients. Recruitment started Q1 2011 and ended Q3 2013 due to slow accrual. Characteristics were in line with CRYSTAL trial except for age and colonic location. 1-year PFS rate was 25.9%, mOS 21.8 months (m), and mPFS 8.5 m. ORR was 63.0%, DCR 77.8%. Rash Gd2+ occurred in 42.6% [median onset was 4.0 weeks (w)]; paronychia Gd2+ occurred in 22.2% (median onset 15.4w.); skin fissures Gd2+ occurred in 31.5% (median onset 19.9 weeks) 7% pts abandoned cetuximab treatment due to toxicity.
CONCLUSION: Our data reveal encouraging improvements in skin reactions and their time to occurrence due to a pre-defined skin care.
METHODS: This is a national, multicenter, phase 4, first-line mCRC (K-RAS wt) trial. Pts received irinotecan 180 mg/m² (d1), FA 400 mg/m² (d1), 5-FU 400 mg/m² (d1), 5-FU 2400 mg/m² (d1-2), and cetuximab [400 mg/m² (d1), and then 250 mg/m² qw], prophylactic 0.1% vitamin K1 ointment qd, and oral doxycycline 100 mg bid.
PRIMARY OBJECTIVE: 1-year PFS rate; secondary objectives: skin side-effects (grade, onset), objective response rate (ORR), disease control rate (DCR), progression-free survival (PFS) time, and overall survival (OS) time and safety.
RESULTS: Twenty centers recruited 55 patients. Recruitment started Q1 2011 and ended Q3 2013 due to slow accrual. Characteristics were in line with CRYSTAL trial except for age and colonic location. 1-year PFS rate was 25.9%, mOS 21.8 months (m), and mPFS 8.5 m. ORR was 63.0%, DCR 77.8%. Rash Gd2+ occurred in 42.6% [median onset was 4.0 weeks (w)]; paronychia Gd2+ occurred in 22.2% (median onset 15.4w.); skin fissures Gd2+ occurred in 31.5% (median onset 19.9 weeks) 7% pts abandoned cetuximab treatment due to toxicity.
CONCLUSION: Our data reveal encouraging improvements in skin reactions and their time to occurrence due to a pre-defined skin care.
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