Cancer mortality does not differ by antiarrhythmic drug use : A population-based cohort of Finnish men

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Kaapu , K J , Rantaniemi , L , Talala , K , Taari , K , Tammela , T L J , Auvinen , A & Murtola , T J 2018 , ' Cancer mortality does not differ by antiarrhythmic drug use : A population-based cohort of Finnish men ' , Scientific Reports , vol. 8 , 10308 . https://doi.org/10.1038/s41598-018-28541-4

Title: Cancer mortality does not differ by antiarrhythmic drug use : A population-based cohort of Finnish men
Author: Kaapu, Kalle J.; Rantaniemi, Lauri; Talala, Kirsi; Taari, Kimmo; Tammela, Teuvo L. J.; Auvinen, Anssi; Murtola, Teemu J.
Other contributor: University of Helsinki, Clinicum




Date: 2018-07-09
Language: eng
Number of pages: 8
Belongs to series: Scientific Reports
ISSN: 2045-2322
DOI: https://doi.org/10.1038/s41598-018-28541-4
URI: http://hdl.handle.net/10138/237283
Abstract: In-vitro studies have suggested that the antiarrhythmic drug digoxin might restrain the growth of cancer cells by inhibiting Na+/K+-ATPase. We evaluated the association between cancer mortality and digoxin, sotalol and general antiarrhythmic drug use in a retrospective cohort study. The study population consists of 78,615 men originally identified for the Finnish Randomized Study of Screening for Prostate Cancer. Information on antiarrhythmic drug purchases was collected from the national prescription database. We used the Cox regression method to analyze separately overall cancer mortality and mortality from the most common types of cancer. During the median follow-up of 17.0 years after the baseline 28,936 (36.8%) men died, of these 8,889 due to cancer. 9,023 men (11.5%) had used antiarrhythmic drugs. Overall cancer mortality was elevated among antiarrhythmic drug users compared to non-users (HR 1.43, 95% CI 1.34-1.53). Similar results were observed separately for digoxin and for sotalol. However, the risk associations disappeared in long-term use and were modified by background co-morbidities. All in all, cancer mortality was elevated among antiarrhythmic drug users. This association is probably non-causal as it was related to short-term use and disappeared in long-term use. Our results do not support the anticancer effects of digoxin or any other antiarrhythmic drug.
Subject: PROSTATE-CANCER
DIGOXIN USE
SCREENING TRIAL
COLORECTAL-CANCER
BREAST-CANCER
SURVIVAL
RISK
DIAGNOSIS
METAANALYSIS
EXPRESSION
3122 Cancers
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