A study to evaluate the efficacy of third regimen with vonoprazan for eradication of Helicobacter pylori resistant against first and second regimen.

A study to evaluate the efficacy of third regimen with vonoprazan for eradication of Helicobacter pylori resistant against first and second regimen. - Third regimen with vonoprazan for eradication of Helicobacter pylori.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000017061

Enrollment

Registered

2015-04-22

Start date

2015-04-22

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Helicobacter pylori infection

Interventions

Patient receive the regimen shown below for seven days. Vonoprazan 20mg twice a day metronidazole 250mg twice a day amoxicillin 750mg twice a day

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: A patient who failed first and second regimen for eradication of Helicobacter pylori.

Exclusion criteria

Exclusion criteria: A patient who took antibacterial drug or antacid drug within one month. A patient who has allergic hypersensitivity against the drugs used in this study. A patient who are judged to be inappropriate for this study by doctors conducting the study.

Design outcomes

Primary

Measure	Time frame
Eradication rate of Helicobacter pylori	—

Secondary

Measure	Time frame
Rate of adverse events	—

Countries

Japan

Contacts

Public ContactShinnosuke Tokoro

Shonan Kamakura General Hospital Gastroenterology medicine center

tocotocotack@hotmail.co.jp0467-46-1717

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026