Height and Prostate Cancer Risk: A Large Nested Case-Control Study (ProtecT) and Meta-analysis

L Zuccolo, RJ Harris, DJ Gunnell, S Oliver, JA Lane, MJ Davis, JL Donovan, D Neal, F Hamdy, R Beynon, J Savovic, RM Martin

Research output: Contribution to journalArticle (Academic Journal)

71 Citations (Scopus)

Abstract

Background: Height, a marker of childhood environmental exposures, is positively associated with prostate cancer risk, perhaps through the insulin-like growth factor system. We investigated the relationship of prostate cancer with height and its components (leg and trunk length) in a nested case-control study and with height in a dose-response meta-analysis. Methods: We nested a case-control study within a population-based randomized controlled trial evaluating treatments for localized prostate cancer in British men ages 50 to 69 years, including 1,357 cases detected through prostate-specific antigen testing and 7,990 controls (matched on age, general practice, assessment date). Nine bibliographic databases were searched systematically for studies on the heightprostate cancer association that were pooled in a meta-analysis. Results: Based on the nested case-control, the odds ratio (OR) of prostate-specific antigen–detected prostate cancer per 10 cm increase in height was 1.06 [95% confidence interval (95% CI): 0.97-1.16; ptrend = 0.2]. There was stronger evidence of an association of height with high-grade prostate cancer (OR: 1.23; 95% CI: 1.06- 1.43), mainly due to the leg component, but not with low-grade disease (OR: 0.99; 95% CI: 0.90-1.10). In general, associations with leg or trunk length were similar. A meta-analysis of 58 studies found evidence that height is positively associated with prostate cancer (random-effects OR per 10 cm: 1.06; 95% CI: 1.03-1.09), with a stronger effect for prospective studies of more advanced/aggressive cancers (random-effects OR: 1.12; 95% CI: 1.05-1.19). Conclusion: These data indicate a limited role for childhood environmental exposures—as indexed by adult height—on prostate cancer incidence, while suggesting a greater role for progression, through mechanisms requiring further investigation.
Translated title of the contributionHeight and Prostate Cancer Risk: A Large Nested Case-Control Study (ProtecT) and Meta-analysis
Original languageEnglish
Pages (from-to)2325 - 2336
Number of pages12
JournalCancer Epidemiology, Biomarkers and Prevention
Volume17(9)
DOIs
Publication statusPublished - Sep 2008

Structured keywords

  • BTC (Bristol Trials Centre)

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