Journal
BMC CANCER
Volume 18, Issue -, Pages -Publisher
BIOMED CENTRAL LTD
DOI: 10.1186/s12885-018-4032-3
Keywords
EGFR-mutations; Non-small cell lung cancer (NSCLC); EGFR tyrosine kinase inhibitor; Observational; REASON study
Categories
Funding
- AstraZeneca, Germany
- Roche
- Lilly
- AstraZeneca
- Eli Lilly
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Background: We evaluated treatment decisions and outcomes in a cohort of predominately Caucasian patients with EGFR mutation-positive (EGFR Mut+) non-small-cell lung cancer (NSCLC). Methods: REASON (NCT00997230) was a non-interventional study in German patients with stage IIIB/IV NSCLC. Secondary endpoints for EGFR Mut + NSCLC included progression-free survival (PFS), overall survival (OS), adverse event (AE) management, and pharmacoeconomic outcomes. Results: Among 334 patients with EGFR Mut + NSCLC, tyrosine kinase inhibitors (TKIs) were the most common first-line therapy (56.6%, 53.0% gefitinib). Among patients who received TKIs/gefitinib before first disease progression, PFS was longer compared with those who did not receive a TKI (median 10.1/10.0 vs. 7.0 months; HR 0.67/0.69; log-rank p = 0.012/p = 0.022). OS was longer for those patients who ever received a TKI/gefitinib during their complete therapy course compared with those who never received a TKI (median 18.4/18.1 vs. 13.6 months; HR 0.53/0.55; p = 0.003/p = 0.005). Total mean first-line treatment healthcare costs per person were higher for those receiving TKIs (sic 46,443) compared with those who received chemotherapy (sic 27,182). Mean outpatient and inpatient costs were highest with chemotherapy. Rash, diarrhea, and dry skin were the most commonly reported AEs for patients receiving gefitinib. Conclusions: In REASON, TKI therapy was the most common first-and second-line treatment for EGFR Mut + NSCLC, associated with increased drug costs compared with chemotherapy. Patients who received gefitinib or a TKI ever during their complete therapy course had prolonged PFS and OS compared with patients who did not receive a TKI.
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