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Cost-effectiveness of 14-day vonoprazan-based quadruple therapy for H. pylori eradication in area with high clarithromycin and levofloxacin resistance: A prospective randomized study

Cost-effectiveness of 14-day vonoprazan-based quadruple therapy for H. pylori eradication in area with high clarithromycin and levofloxacin resistance: A prospective randomized study

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20230428003
Enrollment
100
Registered
2023-04-28
Start date
2021-07-01
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

first-line treatment for H. pylori eradication in non-ulcer dyspeptic patients Helicobacter pylori, Vonoprazan, Quadruple therapy.

Interventions

vonoprazan 20 mg, bismuth subsalicylate 1024 mg, metronidazole 400 mg 3 times daily and tetracycline 500 mg 4 times daily for 14 days.,Vonoprazan 20 mg, bismuth subsalicylate 1024 mg, metronidazole 40
Experimental Drug,Experimental Drug
14-day VQT,7-day VQT

Sponsors

Center of Excellence in Digestive Diseases, Thammasat University.
Lead Sponsor
Bualuang ASEAN Chair Professorship at Thammasat University and Center of Excellence in Digestive Diseases, Thammasat University.
Collaborator

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: Patients aged between 18 and 70 years who underwent upper gastrointestinal (GI) endoscopy due to an indication as per the guidelines of the Gastroenterological Association of Thailand (GAT) and were found to have H. pylori infection with non-ulcer dyspeptic symptoms were enrolled in the study.

Exclusion criteria

Exclusion criteria: (1) history of upper gastrointestinal bleeding; (2) prior allergic reaction to amoxicillin, metronidazole, bismuth subsalicylate, or tetracycline; (3) use of antibiotics within one month prior to enrollment; (4) prior H. pylori eradication therapy; (5) current use of medication with potential drug interactions with the study medication; (6) the presence of severe comorbidities such as end-stage renal disease, advanced cirrhosis, immunocompromised status, AIDS, malignancy, and/or cerebrovascular disease, (7) pregnancy or lactation, (8) history of arrhythmia or QTc prolongation; (9) previous surgical or endoscopic resection of the upper GI tract; (10) contraindications for gastric biopsy, such as coagulopathy or current use of anticoagulants, and (11) unwillingness to participate

Design outcomes

Primary

MeasureTime frame
effectiveness and tolerability of vonoprazan-based quadruple therapy as the first-line treatment for H. pylori eradication in non-ulcer dyspeptic patients. 13C-urea breath test (UBT) at least 4 weeks after completion of the treatment. Eradication rate

Secondary

MeasureTime frame
tolerability of vonoprazan-based quadruple therapy as the first-line treatment for H. pylori eradication in non-ulcer dyspeptic patients during study until 4 weeks after treatment Reported adverse event,Cost effectiveness at the beginning of study incremental cost-effectiveness ratio (ICER) , cost-effectiveness ratio (CER),effectiveness of vonoprazan-based quadruple therapy against Clarithromycin resistant H. pylori, Metronidazole resistant and dual resistant 13C-urea breath test (UBT) at least 4 weeks after completion of the treatment Eradication rate,CYP3A4/5 genetic polymorphism against H. pylori eradication in non-ulcer dyspeptic patients in both groups at the beginning of study CYP3A4/5 genetic polymorphism

Countries

Thailand

Contacts

Public ContactRathakorn Vilaichone

Chulabhorn International College of Medicine (CICM) at Thammasat University

Vilaichone@hotmail.co.th6629269789

Outcome results

None listed

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