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Effectiveness of Vonoprazan versus Proton Pump Inhibitors for Helicobacter pylori

Comparison of the efficacy of Vonoprazan and proton pump inhibitors (PPIs) in the eradication of Helicobacter pylori

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20260226068950N1
Enrollment
50
Registered
2026-04-25
Start date
2026-04-20
Completion date
Unknown
Last updated
2026-06-01

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

Conditions

Helicobacter pylori infection. Helicobacter pylori [H. pylori] as the cause of diseases classified elsewhere

Interventions

Intervention 1: Intervention group1:Participants in the intervention group will receive Vonoprazan (20 milligrams, twice daily), Amoxicillin (1,000 milligrams, twice daily), and Clarithromycin (500 mi

Sponsors

Oroumia University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Age greater than 18 years Confirmed diagnosis of Helicobacter pylori infection based on standard methods (Urea Breath Test, Stool Antigen Test, or Histopathological Evidence) Informed consent for study participation

Exclusion criteria

Exclusion criteria: History of severe hypersensitivity to Vonoprazan, Proton Pump Inhibitors, or the antibiotics used in the protocol. Severe hepatic or renal impairment (for example, renal impairment with creatinine clearance less than thirty milliliters per minute or hepatic impairment Child-Pugh Class C) Pregnancy, breastfeeding, or failure to use effective contraception in women of childbearing potential. Concomitant use of medications with significant known interactions with the study drugs Participation in another clinical trial within the past 4 weeks

Design outcomes

Primary

MeasureTime frame
H. pylori eradication success rate. Timepoint: The outcome evaluation will be conducted in two stages: the first stage, prior to the intervention’s commencement (Baseline), and the second stage, 8 weeks after the complete cessation of the intervention period. Method of measurement: The Urea Breath Test with Carbon-13 (¹³C-UBT) or the Fecal Antigen Test.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr.Asad Hashemi

Oroumia University of Medical Sciences

Hashemi5225@yahoo.com+98 44 3346 9931

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Jun 11, 2026