Study Stopped
No suitable case identified
Risk of Hepatitis Flare in Patients With Previous Hepatitis B Virus Exposure Amongst Patients
1 other identifier
observational
68
1 country
1
Brief Summary
The purpose of this study is to study the risk of hepatitis flare in patients with previous hepatitis B virus exposure amongst patients on immunosuppressive and biological modifier therapies
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started May 2020
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 19, 2020
CompletedFirst Posted
Study publicly available on registry
April 22, 2020
CompletedStudy Start
First participant enrolled
May 1, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 12, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
January 12, 2022
CompletedJanuary 28, 2022
January 1, 2022
1.7 years
April 19, 2020
January 14, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Rate of hepatitis flare
Hepatitis flare, defined as ALT \>2xULN IU/L, according to the Asia Pacific Association for the Study of the Liver (APASL) definition while on biological modifier therapy. The upper limit of normal (ULN) was defined as 40 IU/L by APASL.
24 months
Secondary Outcomes (4)
Rate of severe hepatitis flare
24 months
Rate of icteric flare
24 months
Rate of HBsAg seroreversion
24 months
Risk factors associated with development of hepatitis flare
24 months
Study Arms (1)
Prospective group
Patients will be followed up until development of hepatitis flare or at 2 years after study recruitment. We plan to recruit 150 patients for the prospective cohort.
Eligibility Criteria
All patients with previous HBV exposure who are already on biological modifier therapies and who will be newly started on biological modifier therapies in the Department of Medicine and Therapeutics, Prince of Wales Hospital and Department of Medicine, University Malaya Medical Centre will be recruited.
You may qualify if:
- Age ≥ 18 years old at the time of starting biological modifier therapies or at the time of recruitment
- Positive for anti-HBc OR
- Positive for anti-HBs and born before year 1988
You may not qualify if:
- Known HBV carrier with HBsAg positive
- Concomitant HCV and/ or HIV infection
- Already on HBV anti-viral
- Refuse to consent
- Baseline ALT \> 80 IU/ml
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Chinese University of Hong Konglead
- University of Malayacollaborator
Study Sites (1)
The Chinese University of Hong Kong
Hong Kong, Hong Kong
Related Publications (26)
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PMID: 30912100BACKGROUND
Biospecimen
Serum
Study Officials
- PRINCIPAL INVESTIGATOR
WingYan Mak, MRCP
Chinese University of Hong Kong
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Assistant Professor
Study Record Dates
First Submitted
April 19, 2020
First Posted
April 22, 2020
Study Start
May 1, 2020
Primary Completion
January 12, 2022
Study Completion
January 12, 2022
Last Updated
January 28, 2022
Record last verified: 2022-01
Data Sharing
- IPD Sharing
- Will not share