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VH4770359

Phase 1

HIV Infections | Small molecule | Infectious Disease |GSK plc|Last Updated: Apr 13, 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_CONTROLLED
Total Trials1
Total Enrollment214
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07525544A Study to Investigate the Safety and PK of VH4770359 in Healthy ParticipantsPHASE1 NOT YET_RECRUITING 214Apr 7, 2026May 5, 2027Apr 13, 2026 -
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Study Endpoints
Primary Endpoints
Number of participants with Grade 3 and Grade 4 adverse events (AEs)
From Day 1 (first dose of study intervention) in each treatment period until the last on-site study visit (up to approximately 9 weeks)

An AE is any untoward medical occurrence in a clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. The AEs are graded using the Division of Acquired Immunodeficiency Syndrome (DAIDS) criteria where grades are defined based on numeric criteria as follows Grade 3: severe symptoms; Grade 4: potentially life-threatening. A higher grade indicates greater severity.

Secondary Endpoints
Part A: Area under the curve from time zero extrapolated to infinity (AUC[0-inf]) of VH4770359 following single dose administration
At Day 1 (pre-dose, 0.5h 1h, 2h, 3h, 4h, 6h, 8h,12h), Day 2 (24h, 36h), Day 3, Day 4, Day 5, Day 6, Day 7 and during outpatient visits until the last on site study visit (up to approximately 9 weeks)
Part B: AUC over a single dosing interval from time 0 to the next dose (AUC[0-tau]) of VH4770359 following multiple dose administration
At Day 1 (pre-dose, 0.5h, 1h, 2h, 3h, 4h, 6h, 8h, 12h, 24h) and at Day 14 (pre-dose, 0.5h, 1h, 2h, 3h, 4h, 6h, 8h, 12h, 24h)
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part A: VH4770359 SAD groupEXPERIMENTALHealthy participants will receive a single dose of VH4770359 on Day 1. Up to 7 cohorts will receive single ascending doses (SAD).
Part A: Placebo SAD groupPLACEBO_COMPARATORHealthy participants will receive a single dose of Placebo on Day 1.
Part B: VH4770359 MAD groupEXPERIMENTALHealthy participants will receive 14 daily repeat doses of VH4770359 from Day 1 to Day 14. Up to 4 cohorts will receive multiple ascending doses (MAD).
Part B: Placebo MAD groupPLACEBO_COMPARATORHealthy participants will receive 14 daily repeat doses of Placebo from Day 1 to Day 14.
Part B: VH4770359 MAD Drug-Drug Interaction (DDI) groupEXPERIMENTALHealthy participants will receive 14 daily repeat doses of VH4770359 from Day 1 to Day 14. Participants will also receive 2 mg Midazolam on Days -1, Day 1 and Day 14.
Part B: Placebo MAD DDI groupPLACEBO_COMPARATORHealthy participants will receive 14 daily repeat doses of Placebo from Day 1 to Day 14. Participants will also receive 2 mg Midazolam on Days -1, Day 1 and Day 14.
Interventions
NameTypeDescription
VH4770359DRUGParticipants will receive the assigned dose formulation of VH4770359 orally.
PlaceboDRUGParticipants will receive placebo to match the VH4770359 dose formulation.
MidazolamDRUGParticipants receive 2 mg Midazolam on Days -1, Day 1 and Day 14.
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Eligibility Criteria
Age Range18 Years — 55 Years
SexALL
Healthy VolunteersYes

Inclusion Criteria: 1. 18 to 55 years old 2. BMI 18.5-37.0 kg/m2 3. Male participants must adhere to contraception requirements or abstinence, and female participants must not be pregnant/breastfeeding and be of non-childbearing potential. Exclusion Criteria: 1. Participants with significant medi...

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