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A Phase 1 Dose Escalation Study of VX-973 in Healthy Adults

A Phase 1, Randomized, Double-blind, Placebo-controlled, Single- and Multiple-dose Escalation Study Evaluating the Safety, Pharmacokinetics, and Pharmacodynamics of VX-973 in Healthy Adults

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05866055
Enrollment
30
Registered
2023-05-19
Start date
2023-05-10
Completion date
2024-04-04
Last updated
2024-05-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pain

Brief summary

The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of single and multiple doses of VX-973 in healthy participants.

Detailed description

This clinical trial information was submitted voluntarily under the applicable law and, therefore, certain submission deadlines may not apply. (That is, clinical trial information for this applicable clinical trial was submitted under section 402(j)(4)(A) of the Public Health Service Act and 42 CFR 11.60 and is not subject to the deadlines established by sections 402(j)(2) and (3) of the Public Health Service Act or 42 CFR 11.24 and 11.44.).

Interventions

DRUGVX-973

Suspension for oral administration.

DRUGPlacebo

Suspension for oral administration.

DRUGMidazolam

Syrup for oral administration.

Sponsors

Vertex Pharmaceuticals Incorporated
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

Key Inclusion Criteria: * 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 * Participants of non-childbearing potential * Nonsmoker or ex-smoker for at least 3 months before screening Key

Exclusion criteria

* History of febrile illness or other acute illness that has not fully resolved within 14 days before the first dose of study drug * Any condition possibly affecting drug absorption Other protocol defined Inclusion/

Design outcomes

Primary

MeasureTime frame
Part A: Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)From Day 1 up to Day 31
Part B: Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)From Day 1 up to Day 43

Secondary

MeasureTime frame
Part A: Area Under the Concentration Versus Time Curve (AUC) of VX-973From Day 1 up to Day 30
Part B: Area Under the Concentration Versus Time Curve (AUC) of VX-973From Day 1 up to Day 43
Part A: Maximum Observed Plasma Concentration (Cmax) of VX-973From Day 1 up to Day 30
Part B: Area Under the Concentration Versus Time Curve (AUC) of Midazolam in the Absence and Presence of VX-973Days -1 and 27: Pre-dose up to 24 hours Post Midazolam dose
Part B: Maximum Observed Plasma Concentration (Cmax) of Midazolam in the Absence and Presence of VX-973Days -1 and 27: Pre-dose up to 24 hours Post Midazolam dose
Part B: Maximum Observed Plasma Concentration (Cmax) of VX-973From Day 1 up to Day 43

Countries

United Kingdom

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026