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Background: We described patterns of chemotherapy use and outcomes in patients with advanced small-cell lung cancer (SCLC) in relation to age using the Systemic Anti-Cancer Treatment dataset. Method: In total, 7,966 patients SCLC (67.6% stage IV) diagnosed between 2014-17 in England, treated with chemotherapy were followed up through 2017. Patterns of chemotherapy use, 30- and 90- mortality rates, and 6- and 12-month and median overall survival (OS) from the initiation of chemotherapy were compared between those below and above the age of 75. Results: Older patients were 6-7 times less likely to receive curative treatment than younger patients regardless of stage. They had more frequent adjustments of treatment and dose reduction (stage III). There were no age differences in dose reduction in stage IV, treatment delayed or stopped earlier than planned. 30-day mortality rates were similar across age groups in stage III SCLC (~4%). Older patients had higher 90-days mortality rates and poorer OS than younger peers. In both stages, OS decreased around the age of 70-75 and were worse in patients with performance status scores ≥2. Conclusion: This study offers a snapshot of chemotherapy use and outcomes in advanced SCLC, notably in older patients, in the pre-immunotherapy era.

Original publication

DOI

10.12688/openreseurope.15602.1

Type

Journal article

Journal

Open Res Eur

Publication Date

2023

Volume

3

Keywords

chemotherapy, epidemiology, geriatric oncology, small cell lung cancer