Systematic reviews including this primary study

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Systematic review

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Authors Jian Z , Li H , Race NS , Ma T , Jin H , Yin Z
Journal British journal of clinical pharmacology
Year 2016
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Aims: Oral and intravenous proton pump inhibitors (PPIs) are equipotent in raising gastric pH. However, it is not known whether oral PPIs can replace intravenous PPIs in patients with bleeding peptic ulcers. Methods: We conducted a systematic review and meta-analysis of randomized controlled trials to compare oral and intravenous PPIs among patients with peptic ulcer bleeding. A search of all major databases and relevant journals from inception to April 2015, without a restriction on languages, was performed. Results: A total of 859 patients from seven randomized controlled trials were included in the meta-analysis. Similar pooled outcome measures were demonstrated between the two groups in terms of oral PPIs vs. intravenous PPIs in the rate of recurrent bleeding within the 30-day follow-up period [risk ratio = 0.90; 95% confidence interval (CI): 0.58, 1.39; P = 0.62; I2 = 0%). In terms of the rate of mortality, both oral and intravenous PPIs showed similar outcomes, and the pooled risk ratio was 0.88 (95% CI: 0.29, 2.71; P = 0.82; I2 = 0%). Likewise, no significant difference was detected in the need for blood transfusion and length of hospital stay; the pooled mean differences were -0.14 (95% CI: -0.39, 0.12; P = 0.29; I2 = 32%) and -0.60 (95% CI: -1.42, 0.23; P = 0.16; I2 = 79%), respectively. Conclusions: Our results suggest that oral PPIs are a feasible, safe alternative to intravenous PPIs in patients with bleeding peptic ulcers, and may be able to replace intravenous PPIs as the treatment of choice in these patients.

Systematic review

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Authors Tsoi KK , Hirai HW , Sung JJ
Journal Alimentary pharmacology & therapeutics
Year 2013
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BACKGROUND: The efficacy of adjuvant use of intravenous proton pump inhibitors (PPIs) after endoscopic therapy has been proved in peptic ulcer bleeding patients, but the efficacy of oral PPIs is uncertain. AIM: To compare the clinical outcomes of oral PPIs vs. intravenous PPIs in patients with peptic ulcer bleeding. METHODS: Prospective randomised controlled trials were systematically searched from OVID databases until June 2012. Trials comparing oral and intravenous PPIs among patients with peptic ulcer bleeding were included. Recurrent bleeding, length of hospitalisation, blood transfusion, requirement of surgery and mortality were measured. The risk of bias, study quality and heterogeneity were also evaluated. RESULTS: Six randomised trials from 2006 to 2011 were included. A total of 615 patients were randomly assigned to receive oral PPIs (n = 302) or intravenous PPIs (n = 313). The mean age was 60 years and 71.1% was male. No significant difference between oral and intravenous PPIs was observed regarding recurrent bleeding (RR: 0.92, 95% CI: 0.56-1.50), mean volume of blood transfused (-0.02 unit, 95% CI: -0.29-0.24 unit), requirement of surgery (RR: 0.82, 95% CI: 0.19-3.61) and all-cause mortality (RR: 0.88, 95% CI: 0.29-2.71). The duration of hospital stay in days was significantly shortened in those using oral PPIs (-0.74 day, 95% CI: -1.10 day to -0.39 day). CONCLUSION: Oral PPIs demonstrate a similar effectiveness to intravenous PPIs among patients with peptic ulcer bleeding, but the results were combined from open-labelled trials with limited sample size. A large double-blind non-inferiority trial is required to better assess the role of oral PPIs.