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VX-864

Phase 2

Alpha1-Antitrypsin Deficiency | Small molecule | Other |Vertex Pharmaceuticals Incorporated|Last Updated: May 26, 2022

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 Enrollment44
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04474197Evaluation of the Efficacy and Safety of VX-864 in Subjects With the PiZZ GenotypePHASE2 COMPLETED 44Jul 24, 2020May 4, 2021May 26, 202230 United States, Canada +4
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Study Endpoints
Primary Endpoints
Change in Plasma Functional Alpha-1 Antitrypsin (AAT) Levels
From Baseline at Day 28
Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)
Day 1 up to Week 8
Secondary Endpoints
Change in Plasma Antigenic AAT Levels
From Baseline at Day 28
Observed Pre-dose Plasma Concentration (Ctrough) of VX-864
Pre-dose at Day 7, Day 14, Day 21 and Day 28
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
PlaceboPLACEBO_COMPARATORParticipants received placebo matched to VX-864 in the treatment period for 28 days.
VX-864 100 mgEXPERIMENTALParticipants received VX-864 100 milligrams (mg) every 12 hours (q12h) in the treatment period for 28 days.
VX-864 300 mgEXPERIMENTALParticipants received VX-864 300 mg q12h in the treatment period for 28 days.
VX-864 500 mgEXPERIMENTALParticipants received VX-864 500 mg q12h in the treatment period for 28 days.
Interventions
NameTypeDescription
VX-864DRUGTablets for oral administration.
PlaceboDRUGPlacebo matched to VX-864 for oral administration.
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Eligibility Criteria
Age Range18 Years — 80 Years
SexALL
Healthy VolunteersNo
Study Sites30

Key Inclusion Criteria: * Subjects must have a PiZZ genotype confirmed at screening * Plasma AAT levels indicating severe deficiency at screening Key Exclusion Criteria: * History of a medical condition that could negatively impact the ability to complete the study * Solid organ, or hematological...

Countries:United StatesCanadaGermanyIrelandSwedenUnited Kingdom
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