A Phase 1, First-in-human Study of VX-433
Start Date
5/21/2026
Completion Date
3/5/2027
Summary
The purpose of this study is to evaluate the safety, tolerability, and pharmacokinetics (PK) of VX-433 following single and multiple ascending doses, as well as to assess the effect of VX-433 on the PK of midazolam, bupropion, and hydroxybupropion.
Detailed Description
The study is being conducted in healthy participants to evaluate the safety, tolerability, and PK of VX-433 (Parts A and B), as well as potential drug-drug interaction (DDI) between VX-433 and midazolam or bupropion (Part C). Note: 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.).
Eligibility Criteria
Age Range: 18 years to 55 years
Interventions
VX-433
Placebo
Midazolam
Bupropion
Conditions
Locations
ICON - Utah - Salt Lake City Office
Salt Lake City, Utah 84124
United States