Aarts, Mieke J.

Aerts, Joachim G.J.V.

De Ruysscher, Dirk

Dingemans, Anne Marie C.

Dumoulin, Daphne W.

English

Introduction: This study describes the evolving characteristics of patients with small-cell lung cancer (SCLC) from 1989 to 2020 in the Netherlands to analyse how the population of patients with SCLC has changed in the last decades, hypothesising that this might explain the little progress made in SCLC. Methods: Patients with SCLC diagnosed from 1989 to 2020 were selected from the Dutch cancer registry. Incidence, patient and disease characteristics, treatments, and overall survival (OS) were analysed. Joinpoint analyses were used to test annual percentage changes for statistical significance. Results: A total of 52,527 patients were diagnosed with SCLC. The absolute numbers of patients with SCLC remained equal over the years; however, the incidence rates decreased from 15.01 to 8.93 per 100,000 person-years. The proportion of women increased from 22% to 50%, and those aged ≥75 years increased from 20% to 25%. The latter coincided with a higher proportion receiving only the best supportive care (BSC) over the years (18–24%). The use of surgery in stage I increased from 2% to 37%. The proportion of patients diagnosed with stage IV increased from 46% to 70% due to better staging. The OS improved for all stages, with a 2-year OS rate for stage IV doubling from 3% to 6%.Conclusion: The incidence of SCLC has significantly decreased over the last 30 years, with an increasing proportion of elderly and women. The male–female ratio became similar, and the OS improved. As a consequence of more elderly and probably more vulnerable patients, more patients received only the BSC.</p

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Trends in the epidemiology of small-cell lung cancer:a Dutch nationwide population-based study over 1989–2020

https://pure.eur.nl/files/98364993/Trends_in_the_epidemiology_of_small-cell_lung_cancer.pdf

Trends in the epidemiology of small-cell lung cancer:a Dutch nationwide population-based study over 1989–2020

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