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Research to the possible assciation between Chlamydia infection and the development of biliary atresia.

The Association between Chlamydia infection and Extrahepatic Biliairy Atresia, a case control study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
NL-OMON
Registry ID
NL-OMON28565
Enrollment
34
Registered
2014-05-15
Start date
2013-11-07
Completion date
Unknown
Last updated
2024-02-28

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

Conditions

Extrahepatic Biliary Atresia, Chlamydia infection

Interventions

Mothers will undergo one venapuncture. Biliary atrsia patients and controls will not be exposed to extra interventions.

Sponsors

Paul Fockens, MD, PhD Department of Gastroenterology and Hepatology Academic Medical Center The Netherlands
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: • Biopsy proven biliary atresia • Underwent Kasai operation • Liver tissue stored at the Department of Pathology • Outpatient follow up in the Academic Medical Center, Amsterdam or University Medical Centre Groningen • Younger than 12 years •Informed consent of custodial parent(s) or guardian, for inclusion of their child • Informed consent of the mother for the withdrawal of maternal blood for ELISA on Chlamydia

Exclusion criteria

Exclusion criteria: • Patients with embryonic biliary atresia • Older then 12 years

Design outcomes

Primary

MeasureTime frame
The presence of Chlamydia IgA antibody in serum of Dutch patients with biliary atresia, compared to the control group. The presence of Chlamydia in liver tissue (liver biopsy and fibrotic remnant obtained during Kasai operation) of BA patients as compared to controls, examined by PCR as well as Chlamydia-specific staining by immunohistochemistry.

Secondary

MeasureTime frame
The presence of Chlamydia IgA antibody in serum of mothers of patients with biliary atresia, compared to the presence of Chlamydia IgA antibody in serum of mothers of the control group and the presence of Chlamydia IgA antibody in the general population.

Contacts

Public ContactLiesbeth Vries, de
e.m.g.devries@amc.uva.nl+31-205668091

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)