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Long-term use of proton pump inhibitors does not affect the frequency, growth, or histologic characteristics of colon adenomas.

AbstractBACKGROUND:
The clinical significance of the trophic effects of long-term proton pump inhibitors (PPI)-related hypergastrinemia on colon polyps remains unknown.
AIM:
To study the frequency, growth, and histology of colon polyps in patients on chronic PPI therapy (cases), compared to those not receiving acid suppression (controls).
METHODS:
Medical records of 2868 consecutive patients who underwent two or more colonoscopies, performed 3 or more months apart were reviewed. Cases (116) that used PPIs between the two colonoscopies were then compared to controls (194).
RESULTS:
Demographics and risk factors for colon cancer were comparable between the two groups. At baseline the mean frequency and size of adenomatous polyps were similar in cases and controls (P > 0.05) and at follow-up, these were 0.89 and 1.18 (P > 0.05; 95% CI of -0.08 to 0.66) and 4.09 mm and 4.00 mm (P > 0.05; 95% CI -2.29 to 2.11), respectively with no significant change. However, control group had a higher mean frequency and size of hyperplastic polyps at baseline as well as at follow-up colonoscopy (P < 0.05).
CONCLUSIONS:
The long-term use of PPI does not influence the frequency, growth, or histology of adenomatous polyps, but is associated with a reduction in both baseline and interval development of hyperplastic polyps.
AuthorsM Singh, G Dhindsa, S Friedland, G Triadafilopoulos
JournalAlimentary pharmacology & therapeutics (Aliment Pharmacol Ther) Vol. 26 Issue 7 Pg. 1051-61 (Oct 01 2007) ISSN: 0269-2813 [Print] England
PMID17877512 (Publication Type: Comparative Study, Journal Article, Research Support, N.I.H., Extramural)
Chemical References
  • Proton Pump Inhibitors
Topics
  • Adenomatous Polyps (drug therapy, metabolism)
  • Colonic Polyps (drug therapy, metabolism)
  • Colonoscopy
  • Female
  • Humans
  • Male
  • Middle Aged
  • Proton Pump Inhibitors (metabolism, therapeutic use)
  • Retrospective Studies
  • Treatment Outcome

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