Smoking cessation and lung cancer: never too late to quit
Menée à l'aide de données internationales portant sur 42 087 patients atteints d'un cancer du poumon non à petites cellules, cette étude évalue l'effet, sur la survie globale, de la durée d'abstinence tabagique avant le dignostic de la maladie
Although smoking rates in high-income countries have decreased since 2000, smoking remains a key modifiable risk factor for premature mortality and is the number-one risk factor for lung cancer. Continued smoking is associated with a substantially increased risk of all-cause mortality and tumour recurrence in patients with a diagnosis of lung cancer;1 previous studies have shown improved recurrence-free and overall survival in former smokers with lung cancer compared with current smokers. A 2022 meta-analysis by Caini and colleagues2 showed that quitting smoking at or around the time of lung-cancer diagnosis (ie, within 12 months) was associated with improved overall survival.