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Efficacy and tolerability of two quadruple regimens;bismuth,omeprazole, metronidazole and Amoxicillin or tetracycline as first line treatment for eradication of helicobacter pylori in patients with duodenal ulcer

Efficacy and tolerability of two quadruple regimens;bismuth,omeprazole, metronidazole and Amoxicillin or tetracycline as first line treatment for eradication of helicobacter pylori in patients with duodenal ulcer

Status
Active, not recruiting
Phases
Phase 2
Study type
Observational
Source
TCTR
Registry ID
TCTR20170623004
Enrollment
Unknown
Registered
2017-06-23
Start date
2014-10-20
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

helicobacter pylori Quadruple therapy eradication drug resistance helicobacter pylori Quadruple therapy eradication drug resistance

Interventions

with high dose of drugs Metronidazole 500mg &#44
Amoxicillin 1000 &#44
Bismuth subcitrate240 &#44
and omeprazole 20mg all three times a day for Two weeks,with omprazole 20mg twice a day&#44
bismuth 4 times a day&#44
tetracycline HCl 500 mg 4 times a day&#44
metronidazole 500 mg 3 times a day for 14 days. PPI and bismuth were taken before meal&#44
and antibiotics were used after meal.
Treatment,Treatment
amoxicillin group,tetracycline group

Sponsors

Shahid Sadoughi University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: Patients were eligible if they were aged 18 years or older and had confirmed H pylori infection. H pylori infection was diagnosed by either a positive rapid urease test or positive identification of H pylori in a histological sample using haematoxylin and eosin and/or Giemsa stain

Exclusion criteria

Exclusion criteria: Patients were excluded if they had any of the followings: previous eradication therapy for H pylori; known allergies to any of the study medications; recent use of antibiotics, bismuth salts, probiotic preparations, proton pump inhibitors or non-steroidal antiinflammatory drugs in the preceding 1 month; pregnant or lactating women; previous gastric surgery; alcohol or drug abuse; or severe concurrent medical illnesses, such as liver failure, renal failure or terminal malignancy

Design outcomes

Primary

MeasureTime frame
side-effect 2 week after start questionnaire

Secondary

MeasureTime frame
Eradication of helicobacter pylori 8 weeks after complete treatment C13 urea breath test

Countries

iran

Contacts

Public Contacthassan salmanroghani

Shahid Sadoughi University of Medical Sciences

salmanroghiani@yahoo.com03538206100

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026