Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer · 2018
Interstitial Lung Disease Onset and Its Risk Factors in Japanese Patients With ALK-Positive NSCLC After Treatment With Crizotinib.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Gemma Akihiko, Kusumoto Masahiko, Kurihara Yasuyuki, Masuda Noriyuki, Banno Shigeo, Endo Yutaka, Houzawa Hiroyuki, Ueno Naomi, Ohki Emiko, Yoshimura Akinobu
Аннотация
INTRODUCTION: The study objective was to determine the incidence and characteristics of drug-induced interstitial lung disease (ILD) associated with an orally available small-molecule tyrosine kinase inhibitor, crizotinib, in a real-world clinical setting.
METHODS: Post-marketing surveillance was performed in Japan to obtain information on the safety and efficacy of crizotinib. Target patients included all patients with anaplastic lymphoma kinase-positive NSCLC who received crizotinib during the enrollment period between May 2012 and December 2014. The observation period was 52 weeks. Expert analysis of the ILD incidence was performed by an ILD independent review committee composed of five medical specialists.
RESULTS: The safety analysis set included 2028 patients, and more than half of the patients (56.4%) were nonsmokers. The incidence of ILD associated with crizotinib therapy was 5.77%; and 3.45% patients showed grade 3 or greater. Pulmonary edema-like shadows with or without diffuse alveolar damage pattern were observed in crizotinib-associated ILD (incidence: 0.39%), but a causal relationship with the prognosis could not be identified. ILD developed within 4 weeks from initiation of crizotinib administration in 41.9% and within 8 weeks in 69.2% of the patients. Age 55 years or older, Eastern Cooperative Oncology Group performance status 2-4, smoking history, previous or concomitant ILD, and comorbid pleural effusion were statistically determined as significant risk factors for crizotinib-induced ILD.
CONCLUSIONS: Crizotinib therapy should be applied to the NSCLC patients with any of above risk factors under a cautious monitoring for ILD occurrence, and clinicians should pay attention to the risks of severe ILD.
METHODS: Post-marketing surveillance was performed in Japan to obtain information on the safety and efficacy of crizotinib. Target patients included all patients with anaplastic lymphoma kinase-positive NSCLC who received crizotinib during the enrollment period between May 2012 and December 2014. The observation period was 52 weeks. Expert analysis of the ILD incidence was performed by an ILD independent review committee composed of five medical specialists.
RESULTS: The safety analysis set included 2028 patients, and more than half of the patients (56.4%) were nonsmokers. The incidence of ILD associated with crizotinib therapy was 5.77%; and 3.45% patients showed grade 3 or greater. Pulmonary edema-like shadows with or without diffuse alveolar damage pattern were observed in crizotinib-associated ILD (incidence: 0.39%), but a causal relationship with the prognosis could not be identified. ILD developed within 4 weeks from initiation of crizotinib administration in 41.9% and within 8 weeks in 69.2% of the patients. Age 55 years or older, Eastern Cooperative Oncology Group performance status 2-4, smoking history, previous or concomitant ILD, and comorbid pleural effusion were statistically determined as significant risk factors for crizotinib-induced ILD.
CONCLUSIONS: Crizotinib therapy should be applied to the NSCLC patients with any of above risk factors under a cautious monitoring for ILD occurrence, and clinicians should pay attention to the risks of severe ILD.