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ChAdOx1.tHIVconsv1

Phase 1

HIV-1-infection | Monoclonal antibody | Infectious Disease |Gilead Sciences, Inc.|Last Updated: Feb 9, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment36
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06071767Evaluation of Safety, Immunogenicity and Efficacy of a Triple Immune Regimen in Adults Initiated on ART During Acute HIV-1PHASE1 RECRUITING 36Apr 1, 2024Aug 1, 2029Feb 9, 202612 United States, Brazil
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Study Endpoints
Primary Endpoints
Occurrence of any serious adverse event (AE), Grade 3 or higher AE, or AE that leads to permanent discontinuation of study treatment regardless of grade, that is related to ChAdOx1-MVA/HIVconsvX vaccines, vesatolimod, GS-5423 or GS-2872
Week 0 to Week 64
Proportion of participants with viral control during an ATI defined as remaining off ART with HIV-1 RNA <1,000 copies/mL at Week 16 following ATI.
Week 0 to Week 16 on Step 2
Secondary Endpoints
Change in cell-associated HIV-1 RNA and DNA levels
Weeks 0 to Week 24 on Step 2
Change in plasma HIV-1 RNA viral load as measured by single copy assay (SCA)
Weeks 0 to Week 24 on Step 2
Change in intact proviral DNA levels (IPDA)
Weeks 0 to Week 24 on Step 2
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm A: Active ChAdOx1 and MVA/HIVconsvX vaccines, vesatolimod and bnAbsEXPERIMENTAL -
Arm B: Placebos for vaccines, vesatolimod and bnAbsPLACEBO_COMPARATOR -
Interventions
NameTypeDescription
ChAdOx1.tHIVconsv1BIOLOGICALAdministered as 0.4 mL intramuscularly (IM) at Week 0
ChAdOx1.HIVconsv62BIOLOGICALAdministered as 0.3 mL IM at Week 0
MVA.tHIVconsv3BIOLOGICALAdministered as 0.3 mL IM at Week 4
MVA.tHIVconsv4BIOLOGICALAdministered as 0.5 mL IM at week 4
Vesatolimod (VES)DRUGVES 6 mg administered orally once every 2 weeks for two doses, then VES 8 mg once every 2 weeks for 8 doses. Dose escalation may be held or the 8 mg dose may be reduced for intolerability for weeks 6 through 24.
GS-5423DRUGAdministered via intravenous (IV) infusion at week 7
GS-2872DRUGAdministered via IV infusion at week 7
PlaceboBIOLOGICALPlacebos for vaccines, VES, and bnAbs
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites12

Inclusion Criteria * Provision of written informed consent. * History of Initiation of combination ART within 90 days of acute HIV diagnosis * On ART for at least 12 months with no known ART interruption \>28 consecutive days within 12 months prior to Step 1 Study Entry * ART with an integrase inhi...

Countries:United StatesBrazil
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Recent Changes (Last 90 Days)
LOWMay 24, 2026NCT06071767studyFirstPostDate: changed