Identification of ALK-positive patients with advanced NSCLC and real-world clinical experience with crizotinib in Spain (IDEALK study)

To determine the incidence of ALK translocations in patients with advanced/metastatic NSCLC in Spain, to describe the clinical characteristics of these patients, and to evaluate the effectiveness and safety of treatment with crizotinib in a real-world setting. This is an observational prospective an...

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Published in:	Lung cancer (Amsterdam, Netherlands) Vol. 173; pp. 83 - 93
Main Authors:	Aguado de la Rosa, Carlos, Cruz Castellanos, Patricia, Lázaro-Quintela, Martín, Dómine, Manuel, Vázquez Estévez, Sergio, López-Vivanco, Guillermo, Fírvida Pérez, José Luis, Alonso Romero, José Luis, Ferrera Delgado, Lioba, García Girón, Carlos, Diz Taín, Pilar, Álvarez Álvarez, Rosa, Mut Sanchís, Pilar, Fernández Cantón, Inmaculada, Manrique Abós, Isabel, Martínez Aguillo, Maite, Gómez-Aldaraví Gutiérrez, Lorenzo, Ortega Granados, Ana Laura, Álvarez Cabellos, Ruth, García Sebastián, Arancha, García Sifuentes, Luis Fernando, Reguart, Noemí
Format:	Journal Article
Language:	English
Published:	Elsevier B.V 01-11-2022
Subjects:	ALK-positive non-small cell lung cancer (NSCLC) Anaplastic lymphoma kinase Crizotinib Incidence Real-world Tyrosine kinase inhibitors Crizotinib Anaplastic lymphoma kinase ALK-positive non-small cell lung cancer (NSCLC) Tyrosine kinase inhibitors Real-world Incidence
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Summary:	To determine the incidence of ALK translocations in patients with advanced/metastatic NSCLC in Spain, to describe the clinical characteristics of these patients, and to evaluate the effectiveness and safety of treatment with crizotinib in a real-world setting. This is an observational prospective and retrospective cohort study to determine the incidence of ALK translocations and to analyze the effectiveness and safety of crizotinib in a real-world setting. Patient characteristics, treatment patterns, time to best overall response, duration of treatment, objective response rates (ORR), rates of adverse events (AE), progression free survival (PFS) and overall survival (OS) were evaluated in the ALK study cohort of patients treated with crizotinib (prospective and retrospective). ALK incidence and quality of life (QoL) questionnaires were measured from patients included in the prospective cohort. The incidence of ALK translocations was 5.5 % (31 of 559 patients). Compared with ALK-negative patients, ALK-positive patients were significantly younger, predominantly female, and non-smokers. In the crizotinib effectiveness and safety study, 91 patients (42 prospective, 49 retrospective) with ALK-positive NSCLC (43.9 % in first-line, 56.1 % in second or more lines) were included. The ORR was 59.3 % and the median duration of response was 13.5 months (IQR, 5.3–26.2). The median PFS was 15.8 months (95 % CI, 11.8–22.3) and the median OS was 46.5 months, with 53 patients (58.2 %) still alive at data cut-off date. Frequently reported AEs included elevated transaminases, gastrointestinal disorders, and asthenia. Most patients (76.5 %) reported improved or stable scores for global QoL during treatment. The observed incidence of ALK translocations in NSCLC patients is aligned with published reports. This analysis of the real-world clinical experience in Spain confirms the therapeutic benefit and safety of crizotinib in advanced/metastatic ALK-positive NSCLC. Clinicaltrials.gov: NCT02679170.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 ObjectType-Undefined-3
ISSN:	0169-5002 1872-8332
DOI:	10.1016/j.lungcan.2022.09.010