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Afatinib in heavily pretreated advanced NSCLC patients who progressed following prior gefitinib or erlotinib: Compassionate use program in Korea

Authors
 Moon Ki Choi  ;  Jin Seok Ahn  ;  Young-Chul Kim  ;  Byoung Chul Cho  ;  In-Jae Oh  ;  Sang-We Kim  ;  Jong Seok Lee  ;  Joo-Hang Kim  ;  Myung-Ju Ahn  ;  Keunchil Park 
Citation
 LUNG CANCER, Vol.119 : 36-41, 2018-05 
Journal Title
LUNG CANCER
ISSN
 0169-5002 
Issue Date
2018-05
MeSH
Adult ; Afatinib / therapeutic use* ; Aged ; Aged, 80 and over ; Antineoplastic Combined Chemotherapy Protocols / therapeutic use* ; Carcinoma, Non-Small-Cell Lung / drug therapy* ; Carcinoma, Non-Small-Cell Lung / pathology ; Compassionate Use Trials ; Drug Resistance, Neoplasm ; ErbB Receptors / antagonists & inhibitors ; Erlotinib Hydrochloride / therapeutic use ; Female ; Gefitinib / therapeutic use ; Humans ; Lung Neoplasms / drug therapy* ; Lung Neoplasms / pathology ; Male ; Middle Aged ; Neoplasm Staging ; Republic of Korea ; Treatment Outcome ; Young Adult
Keywords
Afatinib ; Compassionate use pragram ; Epidermal growth factor receptor ; Non-small cell lung cancer
Abstract
Introduction: Afatinib, an irreversible ErbB family blocker, approved for first-line treatment of epidermal growth factor receptor (EGFR) mutated advanced non-small cell lung cancer (NSCLC). This study investigated experience of afatinib within a compassionate use program (CUP).

Methods: The afatinib CUP was an open-label, multicenter, single-arm program in Korea. We enrolled patients with stage IV NSCLC and who had received at least one line of previous cytotoxic chemotherapy and previous EGFR TKI treatment with either an EGFR mutation or documented clinical benefit. The starting dose of afatinib was 50 mg once daily.

Results: From August 2011 to September 2014, 332 patients received at least one dose of afatinib. Most patients were registered in the CUP for fourth- or fifth-line treatment with afatinib. Adverse events (AEs) occurred in 98.1% of patients, including 29.8% with serious AEs. The most common AEs (all grades) were diarrhea (90.1%) and skin rash (62.0%). Dose reductions occurred in 60.5% of patients and discontinuations due to AEs were reported in 11.1% of patients. The response rate and median time to treatment failure (TTF) were 27.4% and 3.3 months (CI 95%, 2.8-3.8 months), respectively, in this highly pretreated population. In subgroup analysis, ECOG PS 0 or 1 and immediate pretreatment with pemetrexed monotherapy or a platinum doublet were associated with a longer TTF for afatinib.

Conclusions: No additional or unexpected safety concerns were observed, and afatinib demonstrated moderate antitumor activity in advanced NSCLC patients with acquired resistance to gefitinib or erlotinib in a real-world setting.
Full Text
https://www.sciencedirect.com/science/article/pii/S0169500218302770
DOI
10.1016/j.lungcan.2018.02.020
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Joo Hang(김주항)
Cho, Byoung Chul(조병철) ORCID logo https://orcid.org/0000-0002-5562-270X
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/188945
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