Establishing a cohort of Korean patients with chronic hepatitis B

The Establishment of Korean Hepatitis B Patients Cohort

Observational Yonsei University · NCT04139850

This study is trying to gather information from Korean patients with chronic hepatitis B to better understand the condition and improve treatment strategies.

Quick facts

Study typeObservational
Enrollment2000 (estimated)
Ages19 Years and up
SexAll
SponsorYonsei University Academic / other
Locations1 site (Seoul)
Trial IDNCT04139850 on ClinicalTrials.gov

What this trial studies

This observational study aims to create a prospective multicenter cohort of patients diagnosed with chronic hepatitis B in South Korea. The cohort will facilitate the collection of data on the natural history of chronic hepatitis B among Korean patients, which is currently lacking. By following patients who have been diagnosed for over six months, the study seeks to inform future clinical guidelines and improve management strategies for chronic hepatitis B in Korea. The project is supported by the Centers for Disease Control (CDC) in Korea.

Who should consider this trial

Good fit: Ideal candidates are Korean adults aged 19 and older with a diagnosis of chronic hepatitis B for more than six months.

Not a fit: Patients with a history of hepatocellular carcinoma or other severe comorbidities may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved management and treatment guidelines for chronic hepatitis B patients in Korea.

How similar studies have performed: While there is limited data on chronic hepatitis B specific to Korean patients, similar cohort studies in other populations have shown success in improving treatment outcomes.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. age above 19 years;
2. CHB diagnosis with more than 6 months of HBsAg positive;
3. Patients who followed up regularly by medical institutions due to CHB;
4. Patients who can be followed up according to the research protocol;
5. Patients who have consented to the written consent of the applicant or guardian.

Exclusion Criteria:

1. HCC diagnosis before enrollment;
2. Malignant tumor other than HCC within 5 years;
3. Hepatitis C virus or human immunodeficiency virus co-infection;
4. Fatal conditions such as decompensated liver function, end stage renal disease and severe heart failure;
5. not be suitable for the research purpose.

Where this trial is running

Seoul

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 Bchronic hepatitis Bcohortnationwideprospectiveantiviral therapy
Last reviewed 2026-06-13 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.