A Study to Evaluate the Relative Bioavailability of a Fixed-dose Combination Tablet of VX-121/Tezacaftor/Deutivacaftor
Public ClinicalTrials.gov record NCT05535959. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 1, Randomized, Open-label, Crossover Study to Evaluate the Relative Bioavailability of a Fixed-dose Combination Tablet of VX-121, Tezacaftor, and Deutivacaftor in Healthy Adult Subjects
Study identification
- NCT ID
- NCT05535959
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Vertex Pharmaceuticals Incorporated
- Industry
- Enrollment
- 16 participants
Conditions and interventions
Conditions
Interventions
- VX-121/TEZ/D-IVA Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 55 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 14, 2022
- Primary completion
- Nov 8, 2022
- Completion
- Nov 8, 2022
- Last update posted
- Dec 11, 2022
2022
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| ICON Salt Lake City | Salt Lake City | Utah | 84124 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05535959, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Dec 11, 2022 · Synced Jun 26, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05535959 live on ClinicalTrials.gov.