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A role of P.gingivalis and Acetaldehyde in barrier dysfunction of gastric mucosa after H.pylori eradication

A role of P.gingivalis and Acetaldehyde in barrier dysfunction of gastric mucosa after H.pylori eradication - Mucosal barrier dysfunction by P.gingivals and Acetaldehyde on gastric mucosa after H.pylori eradication

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000034376
Enrollment
30
Registered
2019-09-15
Start date
2019-06-01
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

Gastric cancer after H.pylori eradication

Interventions

P.gingivalis LPS low concentration P.gingivalis LPS high concentration P.gingivalis LPS + Acetaldehyde low P.gingivalis LPS + Acetaldehyde high

Sponsors

Tohoku University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: post-eradication GC lesions, which were newly discovered later than 24 months after successful eradication.

Exclusion criteria

Exclusion criteria: 1) patients younger than 20 years old or older than 85 years old; 2) patients with a history of chemotherapy, radiotherapy or upper abdominal surgery; 3) patients taking nonsteroidal anti-inflammatory drugs, antibiotics, or any acid secretion inhibitors; 4) patients with serious medical conditions; 5) patients suffering from mental disorders; 6) patients who might be pregnant; 7) patients with inappropriate specimens; 8) patients with contraindication for endoscopic biopsy or gastrin injection; and 9) patients who refused to participate in this study

Design outcomes

Primary

MeasureTime frame
Mucosal damage of atrophic mucosa by the stimulation of P.gingivalis LPS or LPS and acetaldehyde

Countries

Japan

Contacts

Public ContactKaname Uno

Tohoku University Hospital Division of Gastroenterology

kaname-1@umin.ac.jp022-717-7171

Outcome results

None listed

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