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Vitamin D receptor polymorphism in two clinical phenotypes of chronic hepatitis B infection: HBV carrier with low viral load and chronic hepatitis phases

Vitamin D receptor polymorphism in two clinical phenotypes of chronic hepatitis B infection: HBV carrier with low viral load and chronic hepatitis phases

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20191110003
Enrollment
300
Registered
2019-11-10
Start date
2019-11-15
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Vitamin D receptor polymorphism Chronic HBV infection HBV carrier with low viral load Chronic hepatitis Vitamin D receptor polymorphism Chronic HBV infection HBV carrier with low viral load Chronic hepatitis

Interventions

Patients with chronic hepatitis B infection that have HBV viral load less than 2&#44
000 IU/ml,Patients with chronic hepatitis B infection that have HBV viral load more than 2&#44
000 IU/ml or ALT > upper normal limit or evidence of significant liver fibrosis
Basic Science,Basic Science
HBV carrier with low viral load,Chronic hepatitis

Sponsors

Department of medicine
Lead Sponsor
Chulolongkorn Memorial hospital
Collaborator

Eligibility

Sex/Gender
All
Age
30 Years to 60 Years

Inclusion criteria

Inclusion criteria: Patients with chronic HBV infection defined by HBsAg positive more than 6 months.

Exclusion criteria

Exclusion criteria: - pregnancy - patients with the conditions that may alter the immune system, for example; HIV infection, cancer, autoimmune disease, receiving immunosuppressive drugs and active infection. - HCV and HIV co-infection - HBV infected patients with decompensated cirrhosis and hepatocellular carcinoma

Design outcomes

Primary

MeasureTime frame
Single nucleotide polyomorphism(SNP) during recruitment real time PCR

Secondary

MeasureTime frame
Haplotype during recruitment Sequence of SNP

Countries

Thailand

Contacts

Public ContactProoksa Ananchuensook

Devision of gastroenterology and herpetology, faculty of medicine, King Chulalongkorn Memorial hospi

prooksa.anan@gmail.com0894861858

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026