Inflammatory bowel disease and prostate cancer risk: A systematic review

Anoud Haddad, Mohammed Qussay Al-Sabbagh, Hashim Al-Ani, Abdel Muez Siyam, Emad Aborajooh, Takehiro Iwata, Shoji Kimura, Shahrokh F. Shariat, Mohammad Abufaraj

Research output: Contribution to journalReview article

Abstract

Objective: To evaluate the risk of prostate cancer (PCa) in patients with inflammatory bowel disease (IBD), focussing on ulcerative colitis (UC) and Crohn’s disease (CD) separately. Methods: A systemic search was carried out using PubMed and Web of Science databases following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. We retrieved a total of 349 articles. All the articles were in the English language and investigated the incidence of PCa in patients with IBD. Results: Nine studies met our inclusion criteria, with a total of 205 037 men. Two studies reported an increase in the risk of PCa in men with IBD in general. Five other studies reported an increased risk of PCa in men with UC or with CD specifically. On the other hand, two studies reported a decreased risk of PCa in patients with UC and patients with IBD treated with aminosalicylates. Conclusions: While men with UC appear to have higher risk of developing PCa, data on patients with CD are inconclusive. Therefore, patients with UC may benefit from earlier PCa screening. Our findings confirm a complex interplay between IBD and PCa, including factors such as genetic predisposition, systemic inflammation and treatment effects. The modulatory effect of treatment strategies for IBD on the development and progression of PCa might be of clinical significance. Abbreviations: CD: Crohn’s disease; CRP: C- reactive protein; FOLH1: folate hydrolase 1; GIT: gastrointestinal tract; IBD: inflammatory bowel disease; IL-6: interleukin 6; NOS: Newcastle–Ottawa Scale; PCa: prostate cancer; PRISMA: Preferred Reporting Items for Systematic Reviews and Meta-Analyses; PSMA: prostate-specific membrane antigen; UC: ulcerative colitis.

Original languageEnglish
JournalArab Journal of Urology
DOIs
Publication statusAccepted/In press - Jan 1 2020

Keywords

  • cancer risk
  • Crohn’s disease
  • inflammatory bowel disease
  • Prostate cancer
  • ulcerative colitis

ASJC Scopus subject areas

  • Urology

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    Haddad, A., Al-Sabbagh, M. Q., Al-Ani, H., Siyam, A. M., Aborajooh, E., Iwata, T., Kimura, S., Shariat, S. F., & Abufaraj, M. (Accepted/In press). Inflammatory bowel disease and prostate cancer risk: A systematic review. Arab Journal of Urology. https://doi.org/10.1080/2090598X.2020.1761674