Analgesic use and the risk of renal cell carcinoma – Findings from the Consortium for the Investigation of Renal Malignancies (CONFIRM) study
Date
2021
Authors
Bruinsma, F.J.
Jordan, S.
Bassett, J.K.
Severi, G.
MacInnis, R.J.
Walsh, J.
Aitken, T.
Jenkins, M.
Carroll, R.
Jefford, M.
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Journal article
Citation
Cancer Epidemiology, 2021; 75:102036-1-102036-8
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F.J. Bruinsma, S. Jordan, J.K. Bassett, G. Severi, R.J. MacInnis, J. Walsh, T. Aitken, M. Jenkins, R. Carroll, M. Jefford, I.D. Davis, K. Tucker, T. Dudding-Byth, D.R. English, G.G. Giles, I. Winship, R.L. Milne
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Abstract
Purpose: The incidence of renal cell carcinoma (RCC) is rising. Use of analgesics such as non-steroidal anti-inflammatory drugs (NSAIDs) and paracetamol may affect renal function. The aim of this study was to assess associations between analgesic use and risk of RCC. Methods: A population-based case-control family design was used. Cases were recruited via two Australian state cancer registries. Controls were siblings or partners of cases. Analgesic use was captured by self-completed questionnaire. Logistic regression was used to estimate odds ratios (OR) and 95% confidence intervals (CI) for RCC risk associated with regular analgesic use (at least 5 times per month for 6 months or more) and duration and frequency of use. Results: The analysis included 1064 cases and 724 controls. Regular use of paracetamol was associated with an increased risk of RCC (OR 1.41, 95%CI 1.13–1.77). Regular use of NSAIDs was associated with increased risk of RCC for women (OR 1.71, 95% CI 1.23–2.39) but not men (OR 0.83, 95% CI 0.58–1.18; p-interaction=0.003). There was no evidence of a dose-response for duration of use of paracetamol (linear trend p = 0.77) and weak evidence for non- aspirin NSAID use by women (linear trend p = 0.054). Conclusion: This study found that regular use of paracetamol was associated with increased risk of RCC. NSAID use was associated with increased risk only for women.
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