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Risk of venous thromboembolism in patients with stage III and IV non-small cell lung cancer: Nationwide descriptive cohort study

Ording, Anne Gulbech, Christensen, Thomas Decker, Skjøth, Flemming, Noble, Simon ORCID: https://orcid.org/0000-0001-5425-2383, Højen, Anette Arbjerg, Mørkved, Amalie Lambert, Larsen, Torben Bjerregaard, Petersen, Rene Horsleben, Meldgaard, Peter, Jakobsen, Erik and Søgaard, Mette 2024. Risk of venous thromboembolism in patients with stage III and IV non-small cell lung cancer: Nationwide descriptive cohort study. Clinical Lung Cancer 25 (5) , pp. 407-416. 10.1016/j.cllc.2024.04.004

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Abstract

Objectives Venous thromboembolism (VTE) is a common complication in patients starting cancer therapies for non-small cell lung cancer (NSCLC). We examined the risk and timing of VTE in patients with stage IIIA, IIIB-C, and stage IV NSCLC according to received cancer treatments. Materials and Methods A nationwide registry-based cohort study of patients recorded in the Danish Lung Cancer Registry (2010-2021) followed for 1 year after entry into the registry to assess the incidence of VTE. The Aalen-Johansen estimator was used to calculate the risk of VTE after treatment commencement with chemotherapy, radiotherapy, chemoradiation, immunotherapy, and targeted therapy. Results Among the 3,475 patients with stage IIIA, 4,047 with stage IIIB-C, and 18,082 patients with stage IV cancer, the 1-year risk of VTE was highest in the first six months and varied markedly by cancer stage and cancer treatment. In stage IIIA, VTE risk was highest with chemotherapy (3.9%) and chemoradiation (4.1%). In stage IIIB-C, risks increased with chemotherapy (5.2%), immunotherapy (9.4%) and targeted therapy (6.0%). Stage IV NSCLC showed high risk with targeted therapy (12.5%) and immunotherapy (12.2%). The risk was consistently higher for pulmonary embolism than deep vein thrombosis. Conclusion VTE risks vary substantially according to cancer treatments and cancer stages. The highest risk was observed in the initial six months of therapy initiation. These insights emphasize the need for tailored risk assessment and vigilance in managing VTE complications in patients with NSCLC. Further research is needed to optimize individual thromboprophylaxis strategies for patients with unresectable and metastatic NSCLC. Micro abstract This nationwide cohort study highlights the significant risk of VTE in patients undergoing cancer therapies for NSCLC. The 1-year risk of VTE was highest within the initial six months of treatment and demonstrated substantial variability on cancer stage and the specific treatments received. These findings emphasize the importance of a nuanced risk assessment tailored to both cancer stage and the specific cancer therapies employed. Such insights contribute to the ongoing efforts to optimize patient care.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Additional Information: License information from Publisher: LICENSE 1: URL: http://creativecommons.org/licenses/by/4.0/, Start Date: 2024-04-09
Publisher: Elsevier
ISSN: 1525-7304
Date of First Compliant Deposit: 15 April 2024
Date of Acceptance: 6 April 2024
Last Modified: 19 Jul 2024 15:10
URI: https://orca.cardiff.ac.uk/id/eprint/167937

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