Quality of Life Analysis in Patients With RAS Wild-Type Metastatic Colorectal Cancer Treated With First-Line Cetuximab Plus Chemotherapy. - PubMed - NCBI
Quality of Life Analysis in Patients With RAS Wild-Type Metastatic Colorectal Cancer Treated With First-Line Cetuximab Plus Chemotherapy.
Adding cetuximab to FOLFIRI (5-fluorouracil, leucovorin, irinotecan) significantly improved progression-free survival (PFS), overall survival (OS), and objective response rate (ORR) in patients with KRAS or RAS (KRAS/NRAS, exons 2-4) wild-type (wt) metastatic colorectal cancer (mCRC) in the first-line CRYSTAL study. The present exploratory and descriptive retrospective analysis assessed the quality of life (QoL) of CRYSTAL study patients with RAS wt mCRC-the labeled indication for cetuximab in many countries.
PATIENTS AND METHODS:
Patient QoL was investigated using the European Organisation for Research and Treatment of Cancer QoL questionnaire core-30 (EORTC QLQ-C30). QoL assessments were performed at baseline, after every 8 weeks of treatment, and at the final tumor assessment. RAS wt patients were considered evaluable for QoL if they had provided ≥ 1 evaluable EORTC QLQ-C30.
Of the 367 patients with RAS wt tumors, 351 were evaluable for QoL. Global health status (GHS)/QoL and the time to worsening of Eastern Cooperative Oncology Group performance status were similar between the treatment groups. However, the analysis was complicated by a large decrease in the number of evaluable patients in the FOLFIRI arm between weeks 32 and 40. The individual dimensions of interest in mCRC (eg, social functioning, fatigue, nausea/vomiting, pain, appetite loss, constipation, diarrhea, and functional difficulties) were also similar between the treatment arms. Changes in GHS/QoL and social functioning from baseline to week 8 were similar, irrespective of whether patients experienced early skin reactions.
The findings of the present descriptive retrospective analysis suggest that adding cetuximab to first-line FOLFIRI improves PFS, OS, and ORR without negatively affecting the QoL of CRYSTAL study patients with RAS wt mCRC.
Copyright © 2016 The Authors. Published by Elsevier Inc. All rights reserved.
CRYSTAL; FOLFIRI; Global health status (GHS); QoL; mCRC
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