Primary studies included in this systematic review

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Primary study

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Authors Yen HH , Yang CW , Su WW , Soon MS , Wu SS , Lin HJ
Journal BMC gastroenterology
Year 2012
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BACKGROUND: High dose intravenous proton pump inhibitor after endoscopic therapy for peptic ulcer bleeding has been recommended as adjuvant therapy. Whether oral proton pump inhibitor can replace intravenous proton pump inhibitor in this setting is unknown. This study aims to compare the clinical efficacy of oral and intravenous proton pump inhibitor after endoscopic therapy. METHODS: Patients with high-risk bleeding peptic ulcers after successful endoscopic therapy were randomly assigned as oral lansoprazole or intravenous esomeprazole group. Primary outcome of the study was re-bleeding rate within 14 days. Secondary outcome included hospital stay, volume of blood transfusion, surgical intervention and mortality within 1 month. RESULTS: From April 2010 to Feb 2011, 100 patients were enrolled in this study. The re-bleeding rates were 4% (2/50) in the intravenous group and 4% (2/50) in the oral group. There was no difference between the two groups with regards to the hospital stay, volume of blood transfusion, surgery or mortality rate. The mean duration of hospital stay was 1.8 days in the oral lansoprazole group and 3.9 days in the intravenous esomeprazole group (p > 0.01). CONCLUSION: Patients receiving oral proton pump inhibitor have a shorter hospital stay. There is no evidence of a difference in clinical outcomes between oral and intravenous PPI treatment. However, the study was not powered to prove equivalence or non-inferiority. Future studies are still needed. TRIAL REGISTRATION: NCT01123031.

Primary study

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Journal Iranian Red Crescent medical journal
Year 2011
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BACKGROUND: Proton pump inhibitors (PPIs) decrease the rate of rebleeding following endoscopic hemostatic therapy in patients with bleeding peptic ulcers. This study compares the efficacy of oral omeprazole vs intravenous pantoprazole in decrease of rebleeding of peptic ulcer patients. METHODS: One hundred and six patients with high risk peptic ulcer were randomized to receive either oral omeprazole (80 mg BID for 3 days) or IV pantoprazole (80 mg bolus and 8 mg/hour infusion for 3 days) followed by omeprazole (20 mg each day for 30 days). All patients underwent upper endoscopy and endoscopic therapy within 24 hours. RESULTS: Seventeen patients were excluded from the study. Forty four patients were randomly allocated into omeprazole group and 41 patients to IV pantoprazole group. Both groups were similar for factors affecting the outcome. Bleeding reoccurred in five patients of omeprazole group and four patients in pantoprazole group (11.4% vs 9.8 %). The mean hospital stay and blood transfusion were not different in both groups. CONCLUSION: Oral omeprazole and IV pantoprazole had equal effects on prevention of rebleeding after endoscopic therapy in patients with high risk bleeding peptic ulcers.

Primary study

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Authors Tsai JJ , Hsu YC , Perng CL , Lin HJ
Journal British journal of clinical pharmacology
Year 2009
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AIMS: We aimed to assess the clinical effectiveness of oral vs. intravenous (i.v.) regular-dose proton pump inhibitor (PPI) after endoscopic injection of epinephrine in patients with peptic ulcer bleeding. METHODS: Peptic ulcer patients with active bleeding, nonbleeding visible vessels, or adherent clots were enrolled after successful endoscopic haemostasis achieved by epinephrine injection. They were randomized to receive either oral rabeprazole (RAB group, 20 mg twice daily for 3 days) or i.v. omeprazole (OME group, 40 mg i.v. infusion every 12 h for 3 days). Subsequently, the enrolled patients receive oral PPI for 2 months (rabeprazole 20 mg or esomeprazole 40 mg once daily). The primary end-point was recurrent bleeding up to 14 days. The hospital stay, blood transfusion, surgery and mortality within 14 days were compared as well. RESULTS: A total of 156 patients were enrolled, with 78 patients randomly allocated in each group. The two groups were well matched for factors affecting the clinical outcomes. Primary end-points (recurrent bleeding up to 14 days) were reached in 12 patients (15.4%) in the OME group and 13 patients (16.7%) in the RAB group [95% confidence interval (CI) of difference -12.82, 10.22]. All the rebleeding events occurred within 3 days of enrolment. The two groups were not different in hospital stay, volume of blood transfusion, surgery or mortality rate (1.3% of the OME group and 2.6% of the RAB group died, 95% CI of difference -5.6, 3.0). CONCLUSIONS: Oral rabeprazole and i.v. regular-dose omeprazole are equally effective in preventing rebleeding in patients with high-risk bleeding peptic ulcers after successful endoscopic injection with epinephrine. © 2009 The Authors.

Primary study

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Authors Bajaj JS , Dua KS , Hanson K , Presberg K
Journal Digestive diseases and sciences
Year 2007
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Proton pump inhibitors (PPIs) reduce the rate of rebleeding in patients with nonvariceal upper GI bleed (NVGIB). Oral (PO) and intravenous (IV) pantoprazole are equipotent in raising gastric pH. We conducted a pilot study comparing the efficacy of PO vs. IV pantoprazole for reducing rebleeding after NVGIB. Patients with NVGIB were randomized to receive PO (80 mg BID for 3 days) or IV (80-mg IV bolus and 8 mg/hr infusion for 3 days) pantoprazole followed by pantoprazole, 40 mg PO BID, for 30 days. All patients underwent endoscopy within 24 hr and endotherapy was applied where necessary. Twelve patients randomized to the PO and 13 to the IV pantoprazole group were comparable in age, hematocrit, Rockall scores, ulcer characteristics, and endoscopic interventions. Two patients in the IV arm rebled and another in the IV arm developed reversible renal failure. No patient in the PO arm rebled, had organ failure, or had to be changed to IV pantoprazole. We conclude that in this pilot study, the effect of PO pantoprazole on 30-day rebleeding rate in patients with NVGIB was similar to that of IV pantoprazole.

Primary study

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Journal World journal of gastroenterology : WJG
Year 2006
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Aim: To compare the effect of intravenous and oral omeprazole in patients with bleeding peptic ulcers without high-risk stigmata. Methods: This randomized study included 211 patients [112 receiving iv omeprazole protocol (Group 1), 99 receiving po omeprazole 40 mg every 12 h (Group 2)] with a mean age of 52.7. In 144 patients the ulcers showed a clean base, and in 46 the ulcers showed flat spots and in 21 old adherent clots. The endpoints were re-bleeding, surgery, hospital stay, blood transfusion and death. After discharge, re-bleeding and death were re-evaluated within 30 d. Results: The study groups were similar with respect to baseline characteristics. Re-bleeding was recorded in 5 patients of Group 1 and in 4 patients of Group 2 (P = 0.879). Three patients in Group 1 and 2 in Group 2 underwent surgery (P = 0.773). The mean length of hospital stay was 4.6 ± 1.6 d in Group 1 vs 4.5 ± 2.6 d in Group 2 (P = 0.710); the mean amounts of blood transfusion were 1.9 ± 1.1 units in Group 1 vs 2.1 ± 1.7 units in Group 2 (P = 0.350). Four patients, two in each group died (P = 0.981). After discharge, a new bleeding occurred in 2 patients of Group 1 and in 1 patient of Group 2, and one patient from Group 1 died. Conclusion: We demonstrate that the effect of oral omeprazole is as effective as intravenous therapy in terms of re-bleeding, surgery, transfusion requirements, hospitalization and mortality in patients with bleeding ulcers with low risk stigmata. These patients can be treated effectively with oral omeprazole. © 2006 The WJG Press. All rights reserved.

Primary study

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BACKGROUND/AIMS: The use of proton pump inhibitor (PPI) prevents rebleeding by elevating the intragastric pH in patients with bleeding peptic ulcers after hemostasis has been achieved. We assessed if high-dose oral pantoprazole is as effective as high-dose intravenous pantoprazole for their ability to prevent rebleeding after having achieved initial hemostasis in patients with active bleeding or nonbleeding visible vessels. METHODS: Thirty eight patients with bleeding peptic ulcers who had achieved initial hemostasis were enrolled in this randomized controlled trial. In the high-dose oral pantoprazole group (n=19), 40 mg of pantoprazole was given orally twice daily for 5 days. In the high-dose intravenous pantoprazole group (n=19), an 80 mg intravenous bolus of pantoprazole was given; this was followed by 8 mg/hour of continuous infusion daily for 3 days. Thereafter, 40 mg of pantoprazole was given orally once daily for 8 weeks. RESULTS: The two groups were similar with respect to all the background variables. Rebleeding occurred in 2 patients (10.5%) in the intravenous group and in 1 patient in the oral group (5.3%) by day 30 after enrollment (p=1.000). There was no significant difference in terms of the number of therapeutic endoscopic sessions (1 vs. 1.13+/-0.52), the surgery (0% vs. 0%), the bleeding related mortality (0% vs. 0%), and the mean number of units of transfused blood. CONCLUSIONS: The high-dose oral pantoprazole is as effective as an intravenous administration in reducing rebleeding episodes in patients with bleeding peptic ulcers after successful endoscopic therapy.