Evaluation of Long-term Safety and Efficacy of ELX/TEZ/IVA TC Combination Therapy in Participants With Cystic Fibrosis Who Are 6 Years of Age and Older
Public ClinicalTrials.gov record NCT04183790. 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 3, Open-label Study Evaluating the Long-term Safety and Efficacy of ELX/TEZ/IVA Combination Therapy in Subjects With Cystic Fibrosis Who Are 6 Years of Age and Older
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The study evaluates the long-term safety, tolerability, efficacy, and pharmacodynamics of elexacaftor (ELX, VX-445) in triple combination (TC) with tezacaftor (TEZ) and ivacaftor (IVA) in participants with cystic fibrosis (CF).
Study identification
- NCT ID
- NCT04183790
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 64 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 6 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 16, 2020
- Primary completion
- Feb 23, 2024
- Completion
- Feb 23, 2024
- Last update posted
- May 17, 2025
2020 – 2024
United States locations
- U.S. sites
- 13
- U.S. states
- 12
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Children's Hospital of Orange County | Orange | California | 92868 | — |
| Children's Hospital Colorado | Aurora | Colorado | 80045 | — |
| Ann & Robert Lurie Children's Hospital of Chicago | Chicago | Illinois | 60611 | — |
| Boston Children's Hospital | Boston | Massachusetts | 02115 | — |
| Children's Respiratory and Critical Care Specialists, P.A., Children's Hospitals and Clinics of Minnesota | Minneapolis | Minnesota | 55404 | — |
| The Children's Mercy Hospital | Kansas City | Missouri | 64108 | — |
| Northwell Health- Long Island Jewish Medical Center | New Hyde Park | New York | 11040 | — |
| Clinical Research of Charlotte | Charlotte | North Carolina | 28277 | — |
| Rainbow Babies and Children's Hospital/University Hospitals Cleveland Medical Center | Cleveland | Ohio | 44106 | — |
| Nationwide Children's Hospital | Columbus | Ohio | 43205 | — |
| Oregon Health & Science University | Portland | Oregon | 97239 | — |
| Texas Children's Hospital | Houston | Texas | 77030 | — |
| Seattle Children's Hospital | Seattle | Washington | 98105 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 8 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04183790, 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 May 17, 2025 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04183790 live on ClinicalTrials.gov.