Clinical Trial

A Phase 1, First-in-human Study of VX-433

Recruiting Phase 1
View on ClinicalTrials.gov →
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.
Protocol Amendment History 1 change
critical Recruitment opened 2026-06-09
Trial Details
NCT Number NCT07584434
Lead Sponsor Vertex Pharmaceuticals Incorporated
Conditions Narcolepsy Type 1 (NT1)
Enrollment 118 participants
Start Date 2026-05-21
Primary Completion 2027-03-05 (estimated)
Study Completion 2027-03-05 (estimated)
Updated on ClinicalTrials.gov 2026-06-08