Phase 1 Hepatitis B Trial, Recruiting NCT05856890 Sponsor: Rockefeller University Condition: Hepatitis B
Back to Hepatitis B

Phase 1 Hepatitis B Trial, Recruiting

NCT05856890
Recruiting Phase 1

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:

  • People aged between 18 and 70 years old
  • People who have had a confirmed hepatitis B (HBV) infection for at least 6 months, shown by a positive HBsAg test
  • People who have been taking an antiviral medication for hepatitis B for at least 6 months, with no change to that medication in the past 3 months
  • People whose hepatitis B virus levels in the blood are too low to be measured by standard tests
  • People whose HBsAg level is above 10 IU/mL and whose hepatitis B surface antibody test is negative
  • People who are willing and able to give informed consent to participate
  • People who could become pregnant must have a negative pregnancy test at both the screening visit and the start of the study
  • People who could become pregnant must agree to use two methods of contraception during the study (one option is a partner who has documented proof of a vasectomy with confirmed zero sperm count, provided that partner is their only partner)
  • People who could father a pregnancy must agree to use condoms starting 10 days before the study begins and throughout the follow-up period

Who may not be able to join:

  • People who show signs of advanced liver scarring (stage 3 or 4 fibrosis), based on a liver stiffness scan (FibroScan) result of 9 kPa or higher, done within the past 12 months or at the pre-treatment visit
  • People who have a certain type of suspicious liver lesion (classified as LI-RADS 4 or 5) found on a scan within the past 12 months or at the pre-treatment visit
  • People with a blood protein level called alpha-fetoprotein (AFP) above 20 ng/mL (confirm with trial site regarding borderline results)
  • People who have HIV, hepatitis C, or hepatitis delta virus infection, based on tests within the past 12 months or done at screening
  • People who have previously had a bone marrow or stem cell transplant, or a solid organ transplant (such as a kidney or liver transplant)
  • People who have had a significant allergic reaction (such as hives or anaphylaxis) to any drug, antibody therapy, or vaccine, or who have multiple drug allergies
  • People with a history of heart disease, including heart failure, coronary artery disease, cardiomyopathy, or a family history of certain inherited heart rhythm conditions
  • People who have a clinically significant abnormal heart rhythm reading (ECG), including a QTcF interval above 450 ms for males or above 470 ms for females
  • People who have used systemic steroids, immune-suppressing cancer medications, interferons, or interleukins in the past 6 months
  • People with a history of chronic liver disease from a cause other than hepatitis B, or certain immune or autoimmune conditions (the trial doctor would make this assessment)
  • People who have had a significant acute illness, such as influenza or COVID-19, within the 2 weeks before the study start date
  • People whose blood test results fall outside the acceptable ranges for certain measures, including low white blood cell counts, low haemoglobin, low platelets, elevated liver enzymes (ALT or AST), elevated bilirubin (unless due to a known condition called Gilbert's syndrome), low albumin, reduced kidney function, or a raised INR
  • People who are currently pregnant or breastfeeding
  • People who have received any vaccine within 14 days before receiving the study treatment
  • People who have previously received any anti-hepatitis B antibody therapy, including hepatitis B immune globulin (HBIG)
  • People who are currently in another clinical trial of an investigational product, have been in one within the past 12 weeks, or expect to join one during this study

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 27 July 2026
Phase 1: approximately ~10% of drugs entering this phase reach regulatory approval, based on published industry-wide historical data. This is not specific to this trial.
Phase success rates shown are historical industry-wide averages based on published data. They are not a prediction for this specific trial or your individual situation.

Contact this trial

Principal Investigator: Marina Caskey, MD, The Rockefeller University

Phone: 800-782-2737

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.

Trial details

Status
Recruiting
Phase
Phase 1
Sponsor
Rockefeller University
Registry
ClinicalTrials.gov
Start date
7 August 2023
Est. completion
1 December 2027

Where this trial is recruiting

🇺🇸 United States

Primary endpoints

Rate and severity of solicited adverse events that are Grade 2 or above within 2 weeks after administration.; Rate and severity of treatment-emerging unsolicited adverse events that are Grade 2 or above (including confirmed laboratory abnormalities) within 2, 12, 24 and 48 weeks after administration.; Rate and severity of participants with serious adverse events (SAEs) throughout the study period that are considered related to investigational product and the duration of those SAEs.; Rate and severity of participants with potential immune complex disease (ICD) throughout the study period follow...

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: 27 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