問卷

TPIDB > Search Result > Clinical Trials List

Clinical Trials List

Protocol NumberGS-US-642-5670
NCT Number(ClinicalTrials.gov Identfier)NCT05770895

2023-02-15 - 2025-06-30

Phase I

Recruiting10

ICD-10B18.1

Chronic viral hepatitis B without delta-agent

ICD-9070.32

Viral hepatitis B without mention of hepatic coma, chronic, without mention of hepatitis delta

A Phase 1a/1b Study to Evaluate the Safety and Tolerability of Repeated Doses of Nonreplicating Arenavirus Vector Therapeutic Vaccines GS-2829 and GS-6779 in Healthy Participants and Participants With Chronic Hepatitis B (CHB)

  • Trial Applicant

    GILEAD SCIENCES HONG KONG LIMITED

  • Sponsor

  • Trial scale

    Multi-Regional Multi-Center

  • Update

    2025/08/20

Investigators and Locations

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator 蘇東弘

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator 陳啟益

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator 曾國枝

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator 胡琮輝

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator 許耀峻

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Sheng-Shun Yang

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator Pin-Nan Cheng Digestive System Department

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Condition/Disease

Chronic Hepatitis B

Objectives

Primary objective: To evaluate the safety and tolerability of repeated dosing of GS-2829 and GS-6779 in healthy participants, as well as in virally suppressed and viremic CHB participants Secondary objective: To evaluate the immunogenicity of repeated doses of GS-2829 and GS-6779 in healthy participants and in virally suppressed and viremic CHB participants

Test Drug

GS-2829GS-6779

Active Ingredient

GS-2829
GS-6779

Dosage Form

Solution for Injection
Solution for Injection

Dosage

? 1.0 x 107 focus-forming units (FFU)/mL
? 1.0 x 107 focus-forming units (FFU)/mL

Endpoints

Proportion of participants with treatment-emergent adverse events (AEs), serious adverse events (SAEs), and abnormal laboratory test results

Inclution Criteria

Key Inclusion Criteria:

Phase 1a and 1b:

Body mass index (BMI) of ≤ 32.0 kg/m^2.
Non-diabetic without impaired glucose tolerance.
No evidence of cardiac disease based on 12 lead ECG.
Phase 1a (Healthy Individuals) only:

Aged 18 through 60 years.
No history of Hepatitis B infection with a negative Hepatitis B virus (HBV) core Antibody.
Phase 1b (Virally suppressed CHB individuals):

Aged 18 through 65 years.
Documented CHB and HBsAg ≤ 5000 IU/mL at screening.
No evidence of advanced fibrosis by Fibroscan (defined as Fibroscan < 9 kPa within 6 months of screening).
Diagnosed with chronic hepatitis B on suppressive oral antiviral for ≥ 6 months.

Exclusion Criteria

Key Exclusion Criteria:

Phase 1a and 1b:

Use of any systemic antibiotics within 30 days of screening.
Receipt of any HBV vaccine within 12 months of screening visit or planning HBV vaccination during the study period.
Receipt of any investigational product within 3 months or vaccine within 3 months of screening (with the exception of influenza and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccines, which if needed, should be administered at least 14 days before or after an investigational product administration).
Receipt of immunoglobulin or other blood products within 3 months of screening.
Positive serum pregnancy test at screening or positive urine pregnancy on Day 1.
Have been treated with systemic steroids, immunosuppressant therapies, or chemotherapeutic agents within 3 months prior to screening or is expected to receive these agents during the study (eg, corticosteroids, immunoglobulins, other immune or cytokine-based therapies).
Participation in any other clinical study (including observational studies) without prior approval from the sponsor is prohibited while participating in the study.

The Estimated Number of Participants

  • Taiwan

    25 participants

  • Global

    80 participants