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GS-4774

Phase 2

Chronic HBV Infection | Monoclonal antibody | Infectious Disease |Gilead Sciences, Inc.|Trials Updated: Nov 1, 2019

GS-4774 development status

Highest phase Phase 2
Registered trials 4 across 1 sponsor since Jan 2013

Success Probability

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Market & Valuation

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Trial Design

RandomizedCONTROLLEDDMC
Total Trials1
Total Enrollment178

FDA Designations

No designations recorded

GS-4774 clinical trials

GS-4774 · 1 trial · 1 indication

Phase 2 1
NCT01943799Safety and Efficacy of GS-4774 for the Treatment of Chronic Hepatitis BChronic HBV Infection
COMPLETED178 Analytics
PHASE2COMPLETED
Safety and Efficacy of GS-4774 for the Treatment of Chronic Hepatitis B
Chronic HBV InfectionUnlock trial analytics

Study Endpoints

Primary Endpoints

Change From Baseline in HBsAg at Week 24
Baseline; Week 24

The change from baseline to Week 24 in HBsAg was analyzed using a mixed effect model for repeated measures (MMRM). The model included included treatment, HBsAg baseline level (≤ 1000 IU/mL or \> 1000 IU/mL), HBeAg baseline status (positive or negative), visit, and treatment-by-visit interaction as fixed effects and visit as a repeated measure.

Secondary Endpoints

Change From Baseline in HBsAg at Week 12
Baseline; Week 12
Change From Baseline in HBsAg at Week 48
Baseline; Week 48
Percentage of Participants With HBsAg Loss and HBsAg Seroconversion at Week 24
Week 24
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
OAV AloneEXPERIMENTALParticipants will continue their prebaseline OAV regimen alone from baseline to Week 48.
OAV + GS-4774 2 YUEXPERIMENTALParticipants will continue their prebaseline OAV regimen from baseline to Week 48, and will receive GS-4774 2 yeast units (YU) from baseline to Week 20.
OAV + GS-4774 10 YUEXPERIMENTALParticipants will continue their prebaseline OAV regimen from baseline to Week 48, and will receive GS-4774 10 YU from baseline to Week 20.
OAV + GS-4774 40 YUEXPERIMENTALParticipants will continue their prebaseline OAV regimen from baseline to Week 48, and will receive GS-4774 40 YU from baseline to Week 20.

Interventions

NameTypeDescription
GS-4774BIOLOGICALAdministered as a subcutaneous injection every 4 weeks for a total of 6 doses
OAV RegimenDRUGAdministered prior to study enrollment (tenofovir disoproxil fumarate, entecavir, adefovir, lamivudine, or telbivudine either as single agents or in combination)
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Eligibility Criteria

Age Range18 Years to 65 Years
SexALL
Healthy VolunteersNo
Study Sites17

Key Inclusion Criteria: * Ability to understand and sign a written informed consent form, which must be obtained prior to initiation of study procedures * Currently taking an approved HBV oral antiviral medication * Documented evidence of chronic HBV infection (eg, HBsAg positive for more than 6 mo...

Countries:United StatesNew Zealand
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Frequently asked questions about GS-4774

What is GS-4774 used for?

GS-4774 is an investigational therapy being studied for the treatment of chronic hepatitis B virus (HBV) infection. It was evaluated in a Phase 2 clinical trial in adults with chronic HBV. It is not approved for any indication and remains in clinical development.

Who is developing GS-4774?

GS-4774 is being developed by Gilead Sciences, Inc., which trades on the Nasdaq under the ticker GILD. Gilead sponsored the Phase 2 study of GS-4774 in chronic hepatitis B.

What phase is GS-4774 in?

GS-4774 is in Phase 2 development. One Phase 2 trial has been completed, and no trials are currently active. The drug is investigational and has not been approved by the FDA for any indication.

What clinical trial is GS-4774 in?

GS-4774 was evaluated in the Phase 2 trial NCT01943799, titled Safety and Efficacy of GS-4774 for the Treatment of Chronic Hepatitis B. The completed study enrolled 178 adults with chronic HBV infection across the United States and New Zealand.

How was the GS-4774 Phase 2 trial designed?

The Phase 2 trial NCT01943799 was a randomized, controlled study of GS-4774 in 178 adults aged 18 years and older with chronic hepatitis B. It enrolled participants in the United States and New Zealand and has been completed.