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01.12.2018 | Research article | Ausgabe 1/2018 Open Access

BMC Cancer 1/2018

Treatment decisions, clinical outcomes, and pharmacoeconomics in the treatment of patients with EGFR mutated stage III/IV NSCLC in Germany: an observational study

Zeitschrift:
BMC Cancer > Ausgabe 1/2018
Autoren:
Wolfgang Schuette, Peter Schirmacher, Wilfried E. E. Eberhardt, Manfred Dietel, Ute Zirrgiebel, Lars Muehlenhoff, Michael Thomas
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1186/​s12885-018-4032-3) contains supplementary material, which is available to authorized users.

Abstract

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 (€46,443) compared with those who received chemotherapy (€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.
Zusatzmaterial
Additional file 1: Table S1. Treatment costs according to type of first-line treatment received by patients with EGFR Mut + NSCLC. (DOCX 15 kb)
12885_2018_4032_MOESM1_ESM.docx
Literatur
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