Status:

ACTIVE_NOT_RECRUITING

Dose-Escalation Prime/Boost Therapeutic Vaccination Study Of 2 Chimp Adenoviral Vectors in Adults With Chronic HBV On Nucleos(t)Ide Therapy

Lead Sponsor:

Virion Therapeutics

Collaborating Sponsors:

Vir Biotechnology, Inc.

Conditions:

Chronic Hepatitis B

Eligibility:

All Genders

18-55 years

Phase:

PHASE1

Brief Summary

This Phase 1b clinical study is a multi-center, open-label, dose escalation, prime only, and prime plus boost therapeutic vaccination study of 2 distinct chimpanzee adenoviral vectors (AdC6 and AdC7),...

Eligibility Criteria

Inclusion

  • Documented chronic HBV infection (eg, HBsAg+ ≥ 6 months with detectable HBsAg at screening)
  • Receipt of either entecavir, tenofovir (tenofovir alafenamide fumarate or tenofovir disoproxil fumarate), or lamivudine for at least 12 months before screening with no reported antiviral resistance during this time; still on treatment at screening and expected to stay on therapy during the study period
  • Virally suppressed for \> 12 months (HBV DNA \< 40 IU/mL)
  • No clinical diagnosis of advanced liver fibrosis and/or cirrhosis

Exclusion

  • History of hepatic decompensation, advanced fibrosis, or liver transplantation
  • History of hepatocellular carcinoma
  • History of risk factors for thrombosis and thrombocytopenia
  • Documented hepatitis A, hepatitis C, hepatitis D, hepatitis E, or HIV (or history of prior active disease)
  • Pregnant, nursing, or planning a pregnancy during the trial

Key Trial Info

Start Date :

September 26 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

March 31 2026

Estimated Enrollment :

56 Patients enrolled

Trial Details

Trial ID

NCT06070051

Start Date

September 26 2023

End Date

March 31 2026

Last Update

May 30 2025

Active Locations (3)

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Page 1 of 1 (3 locations)

1

Chinese University of Hong Kong

Hong Kong, Hong Kong

2

Aotearoa Clinical Trials, Middlemore Hospital

Auckland, New Zealand

3

Auckland City Hospital

Auckland, New Zealand