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Real-World Survival Impact of New Treatment Strategies for Lung Cancer: A 2000-2020 French Cohort

Affiliations
  • 1Thoracic Oncology, Hôpital Institut Curie, St Cloud, 75005 Paris, France.
  • 2Paris Saclay Campus, University Versailles Saint Quentin, 78035 Versailles, France.
  • 3Biostatistic Department, Hôpital Institut Curie, St Cloud, 75005 Paris, France.
  • 4Data Department, Hôpital Institut Curie, St Cloud, 75005 Paris, France.

Published on:

August 10, 2024

Abstract

Over the past 20 years, several innovative therapies have been implemented in the treatment of lung cancer that have had reported survival benefits in clinical trials. Whether these improvements translate into the clinic setting has not been studied yet. We retrospectively analyzed all patients consecutively treated at Institute Curie for metastatic lung cancer. Diagnosis date was used to define three periods, based on the approvals of novel treatment strategies in the first-line setting, including targeted therapies in 2010 and immunotherapy in 2018. Endpoints included Overall survival (OS), survival rate of 2 years and 5 years, and a conditional survival rate of 2 years (if still alive at 6 months from treatment initiation). A total of 673 patients were identified for Period 1-2000 to 2009, 752 for Period 2-2010 to 2017, and 768 for Period 3-2018 to 2020. Median OS in the whole cohort was 11.1, 15.5, and 16.2 months, respectively. Median OS for patients with NSCLC or SCLC was 11.2, 17.2, and 18.2 months, or 10.9, 11.7, and 11.2 months, respectively. The two-year conditional survival was more favorable for NSCLC than SCLC patients. Outcomes were statistically higher for women as compared to men in all periods and all subgroups. Survival of patients with metastatic lung cancer has improved over the past 20 years, mostly in NSCLC, along with the implementation of novel treatment strategies.

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