Asthma, asthma medications, and prostate cancer risk

Abstract

Background: The aim of this study was to assess whether a history of asthma or the use of asthma medications is associated with prostate cancer risk. Methods: Of 16,934 men participating in the Melbourne Collaborative Cohort Study, 1,179 were diagnosed with prostate cancer during an average follow-up of 13.4 years to the end of December 2007. Information on asthma history was obtained at baseline interview. Participants were asked to bring their current medications to the study center. The names of the drugs were entered into a form and coded. Asthma medications were categorized into four groups and corresponding hazard ratios (HR) were estimated from Cox regression models adjusted for count..