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The Annals of Pharmacotherapy: Vol. 37, No. 3, pp. 433-437. DOI 10.1345/aph.1C115
© 2003 Harvey Whitney Books Company.
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DRUG INFORMATION ROUNDS

Intravenous Proton-Pump Inhibitors Versus H2-Antagonists for Treatment of GI Bleeding

Rebecca M Huggins, PharmD

at time of writing, Pharmacy Practice Resident, Department of Pharmacy, Duke University Medical Center, Durham, NC; now, Critical Care Pharmacist, Palmetto Richland Memorial Hospital, Columbia, SC

Ann C Scates, PharmD

Clinical Pharmacist — Drug Information, Department of Pharmacy, Duke University Medical Center

Joanne K Latour, PharmD

Clinical Pharmacist — Medical Intensive Care Unit, Department of Pharmacy, Duke University Medical Center

Reprints: Ann C Scates PharmD, Department of Pharmacy, Duke University Medical Center, DUMC Box 3089, Durham, NC 27710-0001, FAX 919/681-3895, E-mail ann.scates{at}duke.edu

OBJECTIVE: To evaluate the evidence supporting the use of intravenous proton-pump inhibitors in the treatment of gastrointestinal (GI) hemorrhage in comparison with histamine2 (H2)-receptor antagonists.

DATA SOURCES: Clinical literature was accessed through a MEDLINE search (1966–October 2002). Data from abstracts and fully published articles were retrieved for analysis. Key search terms included pantoprazole, omeprazole, proton-pump inhibitors, gastrointestinal hemorrhage, histamine2-receptor antagonists, ranitidine, and cimetidine.

DATA SYNTHESIS: There are limited published clinical outcome data evaluating the use of intravenous pantoprazole in patients with upper GI hemorrhage. However, there are several gastric pH studies suggesting that intravenous pantoprazole is effective in quickly obtaining and maintaining a pH >6. When considering the results from studies of high-dose intravenous omeprazole, in addition to the pantoprazole data, the relative efficacy of intravenous proton-pump inhibitors appears to be superior to that of intravenous H2-receptor antagonists in providing a more predictable and sustained pH control.

CONCLUSIONS: Intravenous proton-pump inhibitors are suitable, possibly superior, alternatives to intravenous H2-receptor antagonists in treatment of upper GI bleeding.

Key Words: gastrointestinal hemorrhage, histamine2-receptor antagonists, proton-pump inhibitors

Published Online, January 27, 2003. www.theannals.com, DOI 10.1345/aph.1C115


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