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Study details
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Evaluation of VX-828

Vertex Pharmaceuticals Incorporated
NCT IDNCT06154447ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1

Target enrollment

255

Study length

about 2.4 years

Ages

18+

Locations

12 sites in FL, KS, KY +8

About this study

Researchers are testing a treatment called VX-828. The trial will be given to people with cystic fibrosis and healthy adults. The goal is to see if it's safe and how well it works in these groups.

Based on ClinicalTrials.gov records.

What participants do

  • 1.Take Deutivacaftor
  • 2.Take Itraconazole
  • 3.Take Midazolam
  • +3 more
PhasePhase 1
DrugDeutivacaftor
Routeoral
Primary goalPart A: Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)

Participation effort

Estimated from trial records. Details can vary by site.

Time + visits
Low9%
Logistics
Moderate50%

Logistics difficulty varies by site location and availability.

Trial highlights

Treatment details

Auto-extracted from trial records to preview treatments and outcomes.

Drug classes

Breast Cancer Resistance Protein Inhibitors, itraconazole (Antifungal; inhibits ergosterol synthesis), midazolam (Benzodiazepine; short-acting)

Drug routes

oral (Oral Capsule), injection

Endpoints

Primary: Part A: Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs), Part B: Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs), Part C: Area Under the Concentration Versus Time Curve (AUC) of Midazolam in Plasma in the Absence and Presence of VX-828/TEZ/D-IVA, Part C: Area Under the Concentration Versus Time Curve (AUC) of VX-828 in Plasma in the Absence and Presence of Itraconazole, Part C: Maximum Observed Concentration (Cmax) of Midazolam in Plasma in the Absence and Presence of VX-828/TEZ/D-IVA, Part C: Maximum Observed Concentration (Cmax) of VX-828 in Plasma in the Absence and Presence of Itraconazole, Part D: Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs), Part E: Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)

Secondary: Part A: Area Under the Concentration Versus Time Curve (AUC) of VX-828 in Plasma, Part A: Maximum Observed Concentration (Cmax) of VX-828 in Plasma, Part B: Area Under the Concentration Versus Time Curve (AUC) of VX-828 at Day 28 in Plasma, Part B: Maximum Observed Concentration (Cmax) of VX-828 at Day 28 in Plasma, Part C: Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs), Part D: Area Under the Concentration Versus Time Curve (AUC) of VX-828, TEZ and D-IVA and their Metabolites at Day 28 in Plasma, Part D: Maximum Observed Concentration (Cmax) of VX-828, TEZ and D-IVA and their Metabolites at Day 28 in Plasma, Part E: Area Under the Concentration Versus Time Curve (AUC) of VX-828, TEZ, and D-IVA and their Metabolites in Plasma

Body systems

Respiratory