Evaluating how hepatitis B virus genotype affects treatment response in children

Impact of Hepatitis B Virus Genotype on Treatment Response in Children With Chronic Hepatitis B

Observational University of Medicine and Pharmacy at Ho Chi Minh City · NCT06289725

This study is trying to see how different types of the hepatitis B virus affect how well children respond to treatment for chronic hepatitis B.

Quick facts

Study typeObservational
Enrollment84 (estimated)
Ages2 Years to 16 Years
SexAll
SponsorUniversity of Medicine and Pharmacy at Ho Chi Minh City Academic / other
Locations2 sites (Ho Chi Minh City and 1 other locations)
Trial IDNCT06289725 on ClinicalTrials.gov

What this trial studies

This observational study investigates the relationship between hepatitis B virus genotype and treatment response in children diagnosed with chronic hepatitis B. Conducted in Ho Chi Minh City, Vietnam, the study involves a prospective cohort of pediatric patients who will be followed for at least 12 months. Blood samples will be collected for hepatitis B virus genotyping using Sanger sequencing to determine how different genotypes may influence treatment outcomes. The research aims to establish a correlation between genotype and the effectiveness of antiviral treatments.

Who should consider this trial

Good fit: Ideal candidates for this study are children aged 2 to under 16 years with chronic hepatitis B and specific viral load and liver enzyme criteria.

Not a fit: Patients with co-infections such as HIV or hepatitis C, or those with other chronic liver diseases, will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to more personalized treatment strategies for children with chronic hepatitis B based on their virus genotype.

How similar studies have performed: While the specific approach of this study may be novel, previous studies have indicated that understanding the relationship between genotype and treatment response can lead to improved outcomes in hepatitis B management.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Children from 2 years old to under 16 years old are diagnosed with hepatitis B chronic disease AND
* HBsAg or HBV DNA: positive for at least six months AND
* Liver enzyme ALT: continuously increased by\> 70 for male and \> 50 for female (\> 2 x ULN) AND
* The virus is proliferating: HBV DNA above 20,000 IU/mL (if HBeAg positive) OR HBV DNA above 2,000 IU/mL (if HBeAg negative) AND
* A parent or legal guardian of the pediatric patient obtains consent for them to participate in research.

Exclusion Criteria:

* HIV and hepatitis C co-infection
* Patients have other chronic liver disease (Wilson, autoimmune hepatitis)
* Patients are being treated with immunosuppressive drugs
* Psychomotor retardation, cerebral palsy, brain sequelae

Where this trial is running

Ho Chi Minh City and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Chronic Hepatitis bHepatitis Btreatment responsegenotypechildren
Last reviewed 2026-06-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.