Skip to content
Study details
Enrolling now

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

What this study is about

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.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Take Deutivacaftor
  • 2.Take Itraconazole
  • 3.Take Midazolam
  • +3 more

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
OralInjection / IV

How treatment is administered

Treatment Assignment
Randomized & Blinded

You may get a placebo/standard care, and you won't know which.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

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