Effect of a proton pump inhibitor on stool antigen tests for Helicobacter pylori infection

Effect of a proton pump inhibitor on stool antigen tests for Helicobacter pylori infection - Effect of a proton pump inhibitor on stool antigen tests for Helicobacter pylori infection

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000047303

Enrollment

Registered

2022-04-01

Start date

2022-04-01

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

Suspected H. pylori infection

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Suspected H. pylori infection

Exclusion criteria

Exclusion criteria: 1) Taking PPIs within 2 weeks of evaluating H. pylori infection 2) Taking antibiotics within 4 weeks of evaluating H. pylori infection 3) A previous history of gastrectomy 4) A previous history of H. pylori eradication therapy

Design outcomes

Primary

Measure	Time frame
Sensitivity and specificity of stool antigen tests (Quick Navi TM-H. pylori; Otsuka Pharmaceutical, Tokyo, Japan, Quick Chaser H. pylori; MIZUHO MEDY, Saga, Japan, BLEIA H. pylori Antigen; EIKEN CHEMICAL, Tokyo, Japan) before and after oral administration of a PPI (30 mg lansoprazole once daily for 14 days)	—

Secondary

Measure	Time frame
If not agreement, the stool antigen tests are reperformed at least 14 days after completing oral PPI administration	—

Countries

Japan

Contacts

Public ContactYusaku Kajihara

Fuyoukai Murakami Hospital Department of Gastroenterology

y_kaji2012@yahoo.co.jp+81-17-729-8888

Outcome results