Hepatitis B Trial, Recruiting (NCT04970836)

Hepatitis B Trial, Recruiting NCT04970836 Sponsor: National Taiwan University Hospital Condition: Hepatitis B

Printed from Voxsanity (voxsanity.com.au) — NCT04970836 — Data sourced from ClinicalTrials.gov. Verify directly with the trial site before attending. Not medical advice.

Back to Hepatitis B

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

You are over 20 years old and were born after 1987
You were born in Taiwan and received at least 3 doses of the hepatitis B vaccine as a baby
Your blood test shows no signs of current or past hepatitis B infection (both surface antibody and surface antigen tests came back negative)
You have reported (by questionnaire) that you did not receive any hepatitis B vaccines during childhood or teenage years
You are willing to receive 1 or 2 doses of the hepatitis B vaccine as part of the trial, after discussing and agreeing to the process
You are generally in good health

Who may not be able to join:

You have had an allergic reaction to a hepatitis B vaccine in the past, or are allergic to any of its ingredients (such as yeast)
You did receive hepatitis B vaccines during your childhood or teenage years
Your blood test shows that you already have protection against hepatitis B (positive surface antibody), or that you currently have a hepatitis B infection (positive surface antigen)

⚠️ Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.

Last synced 26 July 2026

This study is not part of the standard drug-approval phase pathway (for example an observational, device, behavioural, or registry study), so a phase success rate does not apply.

Contact this trial

Principal Investigator: CHYI-FENG JAN, MD, PhD, National Taiwan University Hospital

Phone: +886-2-23123456

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Voxsanity

Clinical trials and treatments, explained plainly · voxsanity.com.au

Date:

To: My Doctor

Re: Clinical trial enquiry

I am writing to enquire about the following clinical trial which may be relevant to my care:

Trial: NCT04970836

Sponsor: National Taiwan University Hospital

Phase: Not Applicable

Status: Recruiting

Condition: Hepatitis B

Trial contact: +886-2-23123456

More information: https://clinicaltrials.gov/study/NCT04970836

Eligibility summary (AI generated)

Written by an AI model from the ClinicalTrials.gov eligibility criteria and checked on a sample basis. Please confirm against the original criteria.

Who might be able to join this trial:

You are over 20 years old and were born after 1987
You were born in Taiwan and received at least 3 doses of the hepatitis B vaccine as a baby
Your blood test shows no signs of current or past hepatitis B infection (both surface antibody and surface antigen tests came back negative)
You have reported (by questionnaire) that you did not receive any hepatitis B vaccines during childhood or teenage years
You are willing to receive 1 or 2 doses of the hepatitis B vaccine as part of the trial, after discussing and agreeing to the process
You are generally in good health

Who may not be able to join:

You have had an allergic reaction to a hepatitis B vaccine in the past, or are allergic to any of its ingredients (such as yeast)
You did receive hepatitis B vaccines during your childhood or teenage years
Your blood test shows that you already have protection against hepatitis B (positive surface antibody), or that you currently have a hepatitis B infection (positive surface antigen)

⚠️ Important: Always verify eligibility with the trial site directly before applying.

Access in Australia: A treatment being studied in a clinical trial is generally not yet listed on the PBS. Where a medicine is not approved or not available through a trial, the TGA Special Access Scheme may allow a doctor to access unapproved therapeutic goods for individual patients. See voxsanity.com.au/sas-navigator/ for a plain English explainer.

This information was sourced from ClinicalTrials.gov via Voxsanity (data last synced 26 July 2026). It is not medical advice. Please verify the trial's current status directly with the trial site before acting.

Trial details

Status

Recruiting

Phase

Not Applicable

Sponsor

National Taiwan University Hospital

Registry

ClinicalTrials.gov

Start date

1 August 2021

Est. completion

31 December 2027

Where this trial is recruiting

🇹🇼 Taiwan

Primary endpoints

anti-HBs titer response rate at 7-10 days; anti-HBs titer response rate at one month; anti-HBs titer response rate at 6 months; anti-HBs titer response rate at 12 months; anti-HBs titer immune response change at 12 months

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 26 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov