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VX-668

Phase 1

Alpha-1 Antitrypsin Deficiency | Small molecule | Rare Disease |Vertex Pharmaceuticals Incorporated|Trials Updated: Mar 15, 2024

VX-668 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Feb 2023

VX-668 target and mechanism

Molecular targetAAT
Target classProtein
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment114

FDA Designations

No designations recorded

VX-668 clinical trials

VX-668 · 1 trial · 1 indication

Phase 1 1
NCT05727800A Phase 1, First-in-human Study of VX-668Alpha-1 Antitrypsin Deficiency
COMPLETED114 Analytics
PHASE1COMPLETED
A Phase 1, First-in-human Study of VX-668
Alpha-1 Antitrypsin DeficiencyUnlock trial analytics

Study Endpoints

Primary Endpoints

Part A and B: Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)
Day 1 up to Day 20

Secondary Endpoints

Part A and B: Maximum Observed Plasma Concentration (Cmax) of VX-668
Day 1 up to Day 20
Part A and B: Area Under the Concentration Versus Time Curve (AUC) of VX-668
Day 1 up to Day 20
Part A and B: Urine Concentration of VX-668
Part A Cohort A3: Days 1 and 5; Part B Cohort B3: Days 1, 10, and 11
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part AEXPERIMENTALParticipants grouped in different cohorts will receive a single ascending dose of VX-668.
Placebo Part APLACEBO_COMPARATORParticipants will be randomized to receive placebo matched to VX-668.
Part BEXPERIMENTALParticipants grouped in different cohorts will receive multiple doses of VX-668.The dose levels will be determined based on the data from Part A.
Placebo Part BPLACEBO_COMPARATORParticipants will be randomized to receive placebo matched to VX-668.

Interventions

NameTypeDescription
VX-668DRUGSuspension for oral administration.
PlaceboDRUGSuspension for oral administration.
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Eligibility Criteria

Age Range18 Years to 55 Years
SexALL
Healthy VolunteersYes
Study Sites5

Key Inclusion Criteria: * Participants of age between 18 to 55 years (inclusive) * Body mass index (BMI) of 18.0 to 32.0 kilogram per meter square (kg/m\^2) * A total body weight of more than (\>)50 kg * Nonsmoker or ex-smoker for at least 3 months before screening Key Exclusion Criteria: * Any c...

Countries:United States
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Frequently asked questions about VX-668

What is VX-668?

VX-668 is an investigational small molecule developed by Vertex Pharmaceuticals for alpha-1 antitrypsin deficiency, a rare genetic disorder. It is designed to target the AAT protein. VX-668 is in Phase 1 clinical development and has been studied in a completed first-in-human trial.

What is VX-668 used for in alpha-1 antitrypsin deficiency?

VX-668 is being developed as a potential treatment for alpha-1 antitrypsin deficiency, a rare inherited condition. It is a small molecule that targets the AAT protein. The drug is investigational and has not been approved for any indication; it has completed a Phase 1 trial.

What does VX-668 target?

VX-668 targets the AAT protein, also known as alpha-1 antitrypsin. It is a small molecule designed to interact with this protein. By targeting AAT, the drug aims to address the underlying protein deficiency in alpha-1 antitrypsin deficiency.

Who is developing VX-668?

VX-668 is being developed by Vertex Pharmaceuticals Incorporated, which trades on the Nasdaq under the ticker VRTX. Vertex is a biopharmaceutical company focused on rare diseases and other serious conditions.

What phase is VX-668 in?

VX-668 is in Phase 1 clinical development. It has completed one Phase 1 trial and is not currently listed as active in further trials. The drug remains investigational and has not been approved by the FDA for any use.

What clinical trials is VX-668 in?

VX-668 has been evaluated in a Phase 1 first-in-human study, NCT05727800, titled "A Phase 1, First-in-human Study of VX-668." This completed trial enrolled 114 participants with alpha-1 antitrypsin deficiency in the United States and included healthy volunteers.