Pantoprazole to Prevent Gastroduodenal Events in Patients Receiving Rivaroxaban and/or Aspirin in a Randomized, Double-Blind, Placebo-Controlled Trial
- PMID: 31054846
- DOI: 10.1053/j.gastro.2019.04.041
Pantoprazole to Prevent Gastroduodenal Events in Patients Receiving Rivaroxaban and/or Aspirin in a Randomized, Double-Blind, Placebo-Controlled Trial
Abstract
Background & aims: Antiplatelets and anticoagulants are associated with increased upper gastrointestinal bleeding. We evaluated whether proton pump inhibitor therapy could reduce this risk.
Methods: We performed a 3 × 2 partial factorial double-blind trial of 17,598 participants with stable cardiovascular disease and peripheral artery disease. Participants were randomly assigned to groups given pantoprazole 40 mg daily or placebo, as well as rivaroxaban 2.5 mg twice daily with aspirin 100 mg once daily, rivaroxaban 5 mg twice daily, or aspirin 100 mg alone. The primary outcome was time to first upper gastrointestinal event, defined as a composite of overt bleeding, upper gastrointestinal bleeding from a gastroduodenal lesion or of unknown origin, occult bleeding, symptomatic gastroduodenal ulcer or ≥5 erosions, upper gastrointestinal obstruction, or perforation.
Results: There was no significant difference in upper gastrointestinal events between the pantoprazole group (102 of 8791 events) and the placebo group (116 of 8807 events) (hazard ratio, 0.88; 95% confidence interval [CI], 0.67-1.15). Pantoprazole significantly reduced bleeding of gastroduodenal lesions (hazard ratio, 0.52; 95% confidence interval, 0.28-0.94; P = .03); this reduction was greater when we used a post-hoc definition of bleeding gastroduodenal lesion (hazard ratio, 0.45; 95% confidence interval, 0.27-0.74), although the number needed to treat still was high (n = 982; 95% confidence interval, 609-2528).
Conclusions: In a randomized placebo-controlled trial, we found that routine use of proton pump inhibitors in patients receiving low-dose anticoagulation and/or aspirin for stable cardiovascular disease does not reduce upper gastrointestinal events, but may reduce bleeding from gastroduodenal lesions. ClinicalTrials.gov ID: NCT01776424.
Keywords: Drug; Heart Disease Prevention; Stomach; Thrombosis.
Copyright © 2019 AGA Institute. Published by Elsevier Inc. All rights reserved.
Comment in
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Pantoprazole did not reduce risk for a composite of upper gastrointestinal events in stable arterial disease.Ann Intern Med. 2019 Oct 15;171(8):JC45. doi: 10.7326/ACPJ201910150-045. Ann Intern Med. 2019. PMID: 31610558 No abstract available.
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Reply.Gastroenterology. 2020 Jan;158(1):285-286. doi: 10.1053/j.gastro.2019.10.032. Epub 2019 Nov 5. Gastroenterology. 2020. PMID: 31704300 No abstract available.
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Pantoprazole in Prevention of Gastroduodenal Events in Patients Receiving Rivaroxaban and/or Aspirin-A Short Word of Caution.Gastroenterology. 2020 Jan;158(1):283-284. doi: 10.1053/j.gastro.2019.08.063. Epub 2019 Nov 5. Gastroenterology. 2020. PMID: 31704304 No abstract available.
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Pantoprazole in COMPASS- No Prevention of Gastroduodenal Events or Other Useful Net Results.Gastroenterology. 2020 Jan;158(1):284-285. doi: 10.1053/j.gastro.2019.09.050. Epub 2019 Nov 5. Gastroenterology. 2020. PMID: 31704305 No abstract available.
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