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H. pylori antibody levels after eradication

Does a higher bacterial load require more time for serum Helicobacter pylori IgG antibody titers to decrease after a successful eradication?

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0000947
Enrollment
44
Registered
2013-11-29
Start date
2013-09-30
Completion date
Unknown
Last updated
2019-03-11

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

Conditions

None listed

Interventions

None listed

Sponsors

Konkuk University Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Korean adults - underwent H. pylori eradication therapy after both serum H. pylori antibody testing and upper gastrointestinal endoscopy - without contraindication to the eradication therapy

Exclusion criteria

Exclusion criteria: - urea breath test (UBT) was positive after 4 weeks of eradication - did not submit to a follow-up serum H. pylori antibody test after successful eradication

Design outcomes

Primary

MeasureTime frame
Duration required for a more than 50% reduction of the initial H. pylori antibody titer—

Secondary

MeasureTime frame
Titer of H. pylori serology—

Countries

Korea, Republic of

Contacts

Public ContactSun-Young Lee

Konkuk University Medical Center

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026