Vasectomy and risk of prostate cancer: A Mendelian randomization study and confounder analysis

Author:

Di Huajie123ORCID,Wen Yi13ORCID

Affiliation:

1. Department of Pediatrics Xuzhou Medical University Xuzhou China

2. Evidence‐based Medicine Research Center Xuzhou Medical University Xuzhou China

3. Department of Pediatric Urology The Affiliated Xuzhou Children's Hospital of Xuzhou Medical University Xuzhou China

Abstract

AbstractBackgroundPrevious reports have shown a potential causal impact of vasectomy on prostate cancer (PCa). The objective of this study was to investigate the association between vasectomy and PCa, while evaluating the influence of confounding factors such as prostate‐specific antigen (PSA) screening and body mass index (BMI).MethodsMendelian randomization (MR) study using summary statistics from genome‐wide associations of vasectomy (462,933 European ancestry), ever had PSA test (200,410 European ancestry), time since last PSA test (46,104 European ancestry), BMI (152,893 European males) and PCa (79,148 cases, 61,106 controls, European ancestry). This study was conducted using summary statistic data from large, previously described cohorts. Data analyses were conducted from November 2022 to June 2023.ResultsGenetic liability to vasectomy was not associated with PCa (OR = 0.07, 95% CI: 2.95  10−3, 1.54, p = 0.09). Genetic liability to vasectomy was not associated with ever had PSA test (OR = 1.08, 95% CI: 0.49−2.39, p = 0.83) and time since last PSA test (OR = 2.49, 95% CI: 0.71−8.79, p = 0.16). After controlling for PSA test and BMI, there remains no causal relationship between vasectomy and PCa risk (OR = 5.56  10−4, 95% CI: 7.29  10−8, 4.24, p = 0.10). The reverse MR results showed a weak association between PCa and vasectomy patients (OR = 1.00, 95% CI: 1.0003−1.0033, p = 0.02).ConclusionBased on the available evidence from MR analysis, the current findings did not support vasectomy being a risk factor for PCa. Further work is required to provide additional confirmation and validation of the potential link.

Publisher

Wiley

Subject

Urology,Oncology

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