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  • 1
    Electronic Resource
    Electronic Resource
    Addition of metronidazole to omeprazole/amoxycillin dual therapy increases the rate of Helicobacter pylori eradication: a double-blind, randomized trial (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Alimentary pharmacology & therapeutics 9 (1995), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Aims: To compare the efficacy, safety and tolerability of an omeprazole/amoxycillin (OA) dual therapy Helicobacter pylori eradication regimen with an omeprazole/amoxycillin/metronidazole (OAM) triple therapy regimen. Methods: In this double-blind trial, conducted in 19 hospitals, 119 patients with symptomatic duodenal ulcer disease were randomized to receive either 14 days treatment with omeprazole 40 mg daily, amoxycillin 500 mg t.d.s. and placebo followed by a further 14 days’treatment with omeprazole 20 mg daily (n= 59) or 14 days treatment with omeprazole 40 mg daily, amoxycillin 500 mg t.d.s., and metronidazole 400 mg t.d.s., followed by a further 14 days’treatment with omeprazole 20 mg daily (n= 60). H. pylori status was assessed by 13C-urea breath test at entry and at 4 weeks post-treatment. Results: H. pylori infection was eradicated in 46% of the OA treated patients and in 92% of the OAM treated patients, a mean difference of 46% (P 〈 0.0001, 95% CI for the difference: + 30 to + 62). In only one patient was the duodenal ulcer not endoscopically healed after 4 weeks of treatment (OA 100%; OAM 98% healed). There were no significant differences in speed of symptom relief or improvement in symptoms between the two groups. Both regimens were well tolerated, with 96% of patients completing the course, and only one patient withdrawing due to an adverse event. The only side-effect with a significantly higher incidence in the OAM group was diarrhoea, which occurred in 36% of patients compared to 16% of patients in the OA group (P 〈 0.05). Conclusions: A regimen consisting of omeprazole 40 mg daily, amoxycillin 500 mg t.d.s. and metronidazole 400 mg t.d.s. for 14 days gives an appreciably higher H. pylori eradication rate than omeprazole and amoxycillin alone, with acceptable tolerability.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2036.1995.tb00414.x
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  • 2
    Electronic Resource
    Electronic Resource
    Bolus or slow titrated injection of midazolam prior to upper gastrointestinal endoscopy? Relative effect on oxygen saturation and prophylactic value of supplemental oxygen (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Alimentary pharmacology & therapeutics 4 (1990), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A total of 131 patients undergoing upper gastrointestinal endoscopy were sedated with midazolam given as a bolus injection over 5 seconds. The oxygen saturation was continuously measured using a pulse oximeter. Supplemental oxygen was given via nasal cannulae at a rate of 3 litres per minute to 54 patients, while the remaining 77 patients only received oxygen if their oxygen saturation dropped below 85%. Both groups in the present series were compared with 3 previously published series of patients, in whom we had used intravenous midazolam as a slow titrated injection.Despite using on average only two-thirds of the dose of midazolam, following bolus injection the degree of oxygen desaturation during the endoscopic procedure was greater, and the ability of supplemental oxygen delivered via nasal cannulae to prevent hypoxia was less (P 〈 0.01), than with a slow titrated injection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2036.1990.tb00485.x
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  • 3
    Electronic Resource
    Electronic Resource
    Symptomatic and endoscopic duodenal ulcer relapse rates 12 months following Helicobacter pylori eradication treatment with omeprazole and amoxycillin with or without metronidazole (1996)
    Oxford BSL : Blackwell Science
    Alimentary pharmacology & therapeutics 10 (1996), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Aim: To determine the effect of Helicobacter pylori eradication with omeprazole and amoxycillin, with or without metronidazole, on the 12-month course of duodenal ulcer disease. Methods: In a randomized, double-blind study, conducted in 19 hospitals, 105 H. pylori positive duodenal ulcer patients were healed and symptom-free following either omeprazole dual therapy (omeprazole 40 mg o.m.+amoxycillin 500 mg t.d.s., OA, eradication rate 46%, n=52) or omeprazole triple therapy (omeprazole 40 mg o.m.+amoxycillin 500 mg t.d.s.+metronidazole 400 mg t.d.s., OAM, eradication rate 92%, n=53) for 2 weeks, followed by 2 weeks of omeprazole 20 mg o.m. and a 12-month untreated follow-up period, after which time all patients were endoscoped. Endoscopic and symptomatic relapse rates, and effect on H. pylori status measured using 13C-urea breath test, were determined. Results: During the 12-month untreated follow-up period, the life-table endoscopic relapse rates were 12% (95% CI: 2–22%) and 2% (95% CI: 0–6%) for OA and OAM patients, respectively. By 12 months, life-table symptomatic relapse rates were 22% (95% CI: 13–37%) and 19% (95% CI: 8–30%) for OA and OAM, respectively. In the 12 months untreated follow-up period, 2/69 (3%, 95% CI: 0–7%) patients rendered H. pylori negative had an endoscopic relapse at the end of the 12-month follow-up period, compared with 5/31 (16%, 95% CI: 3–29%) patients remaining H. pylori positive (P=0.03 between H. pylori positive and negative groups). Twelve of 69 (17%, 95% CI: 8–26%) patients rendered H. pylori negative relapsed symptomatically, compared with 9/31 (29%, 95% CI: 13–45%) patients remaining H. pylori positive (P= N.S. between groups). There was a significant improvement in epigastric pain (P=0.0001), nausea and vomiting (P〈0.05) between entry to the study and 1, 6 and 12 months post-treatment for both treatment groups. Conclusions: OAM eradicates H. pylori in significantly more patients than OA, but successful H. pylori eradication with either OAM or OA predisposes to low endoscopic and symptomatic relapse rates for duodenal ulcer patients when followed up for 12 months.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2036.1996.36178000.x
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  • 4
    Electronic Resource
    Electronic Resource
    Helicobacter pylori infection treated with a tripotassium dicitrato bismuthate and metronidazole combination (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Alimentary pharmacology & therapeutics 4 (1990), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Seventy-two patients with H. pylori infection in their antral mucosa took part in the study. Forty-three received metronidazole 400 mg t.d.s. for two weeks, plus De-Nol tabs 2 b.d. for four weeks, and the remaining 29 patients received metronidazole 400 mg t.d.s. for two weeks plus De-Nol liquid 5 ml q.d.s. for four weeks. Seven of 57 H. pylori isolates were found to have pre-treatment metronidazole resistance. Success, in terms of eradication of H. pylori, was assessed using a one-month post-treatment 14C urea breath test.Successful eradication of H. pylori was achieved in 72% and 79%, respectively, of the metronidazole/De-Nol tablet and metronidazole/De-Nol liquid groups. These figures increased to 87% and 84%, respectively, if the patients whose organisms were known to be metronidazole-sensitive were considered in isolation. H. pylori was successfully eradicated in only one of seven patients with a metronidazole-resistant organism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2036.1990.tb00513.x
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  • 5
    Electronic Resource
    Electronic Resource
    Experience with‘triple’ anti-Helicobacter pylori eradication therapy: side effects and the importance of testing the pre-treatment bacterial isolate for metronidazole resistance (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Alimentary pharmacology & therapeutics 6 (1992), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: At the 1990 World Congresses of Gastroenterology, the Working Party on Helicobacter pylori (H. pylori) recommended that, in suitable patients, the bacterium should be eradicated using a therapeutic regimen comprising a bismuth salt, tetracycline and metronidazole for two weeks. We have treated 40 patients infected with H. pylori with‘triple’ therapy consisting of 120 mg tripotassium dicitrato bismuthate q.d.s., 500 mg tetracycline q.d.s. and 400 mg metronidazole t.d.s. for two weeks.The success rate, in terms of bacterial eradication, was 19/21 (90.5%) in patients with metronidazole-sensitive organisms, compared with only 6/19 (31.6%) in patients whose H. pylori were resistant to metronidazole (P 〈 0.01). Side effects, particularly diarrhoea and vomiting/nausea, were common: 23/40 patients reported such symptoms during the 14-day course of therapy. Fifteen of these 23 patients completed the entire 14-day course, although suffering from significant side effects, while the remaining eight patients had to discontinue the treatment because side effects became intolerable.If a form of triple therapy is going to be widely used to eradicate H. pylori infection, the regimen will have to be simpler, shorter, produce fewer side effects and be more effective in patients with metronidazole-resistant bacteria.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2036.1992.tb00556.x
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  • 6
    Electronic Resource
    Electronic Resource
    Does a previous course of tripotassium dicitrato bismuthate afect the subsequent chances of successful Helicobacter pylori eradication? (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Alimentary pharmacology & therapeutics 6 (1992), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We have performed a retrospective study of 103 patients with either peptic ulcer or non-ulcer dyspepsia, infected with metronidazole-sensitive strains of Helicobacter pylori (H. pylori), who were treated with a combination of tripotassium dicitrato bismuthate and metronidazole for a period of at least two weeks.Dual therapy with tripotassium dicitrato bismuthate plus metronidazole showed similarly high eradication rates (≥ 80%) of H. pylori from patients irrespective of age, gender or clinical diagnosis. Most importantly, dual therapy achieved a similar eradication rate of H. pylori infection in 41 patients who had previously been treated with tripotassium dicitrato bismuthate alone or in combination with an antibiotic other than metronidazole. It therefore appears that H. pylori does not become resistant to treatment with tripotassium dicitrato bismuthate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2036.1992.tb00054.x
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  • 7
    Electronic Resource
    Electronic Resource
    Omeprazole and Helicobacter Pylori: temporary suppression rather than true eradication (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Alimentary pharmacology & therapeutics 5 (1991), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Twenty-four Helicobacter pylori (H. pylori)-positive patients were treated for 28 days with either 20 mg omeprazole o.m. (n= 12) or 40 mg omeprazole o.m. (n= 12). Clearance (absence of H. pylori at the end of or shortly after treatment) and eradication (absence of H. pylori 1 month after cessation of treatment) were assessed using the 14C-urea breath test. Observed clearance and eradication were: 20 mg omeprazole 3/12 and 0/12; 40 mg omeprazole 6/12 and 1/12 respectively. The effect on H. pylori is probably due to the change in gastric pH from acid to neutral, however it is insufficient to recommend the inclusion of omeprazole in regimens aimed at eradicating H. pylori.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2036.1991.tb00032.x
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  • 8
    Electronic Resource
    Electronic Resource
    Rapid eradication of Helicobacter pylori infection (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Alimentary pharmacology & therapeutics 9 (1995), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background/aims: Current Helicobacter pylori eradication therapy for peptic ulcer disease usually involves a 2-week course of either a bismuth preparation or omeprazole in combination with antibiotics. We have studied a shorter, 7-day course of treatment to assess efficacy and tolerability. Methods: Four hundred and thirty-six patients, in three non-randomized groups, received omeprazole (40 mg mane), amoxycillin (500 mg t.d.s.) and metronidazole (400 mg t.d.s.): 308 patients received the triple combination for 14 days; 80 patients were treated for 7 days; and 48 patients received omeprazole and amoxycillin for 7 days but metronidazole for only 5 days. Results: Helicobacter pylori was eradicated in 89.5%, 91.1% and 87.5%, respectively (98.3%, 92.9% and 100% of metronidazole-sensitive isolates and 75.6% and 88.2% of metronidazole-resistant isolates in the first two groups). Side effects were significantly more frequent in patients who received 14 days (49%) compared with 7 days of treatment (33%); only 8/308 and 1/128 patients, respectively, failed to complete the course. Conclusions: On the basis of efficacy, tolerability and cost, we conclude that a 7-day course of the omeprazole (40 mg mane), amoxycillin (500 mg t.d.s.) plus metronidazole (400 mg t.d.s.) combination is effective therapy for the eradication of H. pylori.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2036.1995.tb00349.x
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  • 9
    Electronic Resource
    Electronic Resource
    Conference report: duodenal ulcer trials reported at the European Helicobacter pylori Study Group, Edinburgh 1995 (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Alimentary pharmacology & therapeutics 10 (1996), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2036.1996.tb00176.x
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  • 10
    Electronic Resource
    Electronic Resource
    Long-term follow-up of Helicobacter pylori eradication therapy in Vietnam: reinfection and clinical outcome (2005)
    Oxford, UK : Blackwell Science Ltd
    Alimentary pharmacology & therapeutics 22 (2005), S. 0 
    Details
    ISSN: 1365-2036
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2036.2005.02521.x
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