A Phase 3 Study of VX-445 Combination Therapy in Cystic Fibrosis (CF) Subjects Heterozygous for F508del and a Gating or Residual Function Mutation (F/G and F/RF Genotypes)
Public ClinicalTrials.gov record NCT04058353. 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, Randomized, Double-blind, Controlled Study Evaluating the Efficacy and Safety of VX-445 Combination Therapy in Subjects With Cystic Fibrosis Who Are Heterozygous for the F508del Mutation and a Gating or Residual Function Mutation (F/G and F/RF Genotypes)
Study identification
- NCT ID
- NCT04058353
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Vertex Pharmaceuticals Incorporated
- Industry
- Enrollment
- 271 participants
Conditions and interventions
Conditions
Interventions
- ELX/TEZ/IVA Drug
- IVA Drug
- TEZ/IVA Drug
Drug
Eligibility (public fields only)
- Age range
- 12 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
- Aug 27, 2019
- Primary completion
- Jun 11, 2020
- Completion
- Jun 11, 2020
- Last update posted
- Jul 1, 2021
2019 – 2020
United States locations
- U.S. sites
- 37
- U.S. states
- 24
- U.S. cities
- 35
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama at Birmingham | Birmingham | Alabama | 35233 | — |
| Banner University of Arizona Medical Center | Tucson | Arizona | 85724 | — |
| Miller Children's Hospital / Long Beach Memorial | Long Beach | California | 90806 | — |
| Stanford University | Palo Alto | California | 94304 | — |
| University of California Davis Medical Center | Sacramento | California | 95817 | — |
| University of California San Francisco, Lung Transplant Program | San Francisco | California | 94143 | — |
| National Jewish Health | Denver | Colorado | 80206 | — |
| University of Miami Miller School of Medicine | Miami | Florida | 33136 | — |
| Central Florida Pulmonary Group, PA | Orlando | Florida | 32803 | — |
| Indiana University | Indianapolis | Indiana | 46202 | — |
| The University of Iowa Hospitals and Clinics | Iowa City | Iowa | 52242 | — |
| University of Kansas Medical Center | Kansas City | Kansas | 66160 | — |
| University of Kentucky | Lexington | Kentucky | 40536 | — |
| Massachusetts General Hospital Cystic Fibrosis Center Clinical Rsearch Center | Boston | Massachusetts | 02114 | — |
| Boston Children's Hospital | Boston | Massachusetts | 02115 | — |
| Michigan Medicine | Ann Arbor | Michigan | 48109-5212 | — |
| University of Minnesota | Minneapolis | Minnesota | 55455 | — |
| Washington University School of Medicine / St. Louis Children's Hospital | St Louis | Missouri | 63110 | — |
| Dartmouth Hitchcock Medical Center | Lebanon | New Hampshire | 03756 | — |
| Northwell Health- Long Island Jewish Medical Center | New Hyde Park | New York | 11040 | — |
| Mount Sinai Beth Israel | New York | New York | 10003 | — |
| Columbia University Medical Center | New York | New York | 10032 | — |
| University of North Carolina Hospitals | Chapel Hill | North Carolina | 27514 | — |
| UC Health Holmes | Cincinnati | Ohio | 45220 | — |
| Rainbow Babies and Children's Hospital/University Hospitals Cleveland Medical Center | Cleveland | Ohio | 44106 | — |
| Nationwide Children's Hospital | Columbus | Ohio | 43205 | — |
| ProMedica Toledo Hospital/Toledo Children's Hospital/Pediatric Pulmonary & Cystic Fibrosis Center | Toledo | Ohio | 43606 | — |
| University of Oklahoma Health Sciences Center | Oklahoma City | Oklahoma | 73104 | — |
| Oregon Health & Science University | Portland | Oregon | 97239 | — |
| Children's Hospital of Philadelphia | Philadelphia | Pennsylvania | 19104 | — |
| Children's Hospital of Pittsburgh of UPMC | Pittsburgh | Pennsylvania | 15224 | — |
| Dell Children's Medical Group | Austin | Texas | 78723 | — |
| The University of Texas Southwestern Medical Center | Dallas | Texas | 75390 | — |
| Texas Children's Hospital | Houston | Texas | 77030 | — |
| University of Utah / Primary Children's Medical Center | Salt Lake City | Utah | 84132 | — |
| University of Washington Medical Center | Seattle | Washington | 98195 | — |
| University of Wisconsin Hospital and Clinics | Madison | Wisconsin | 53792 | — |
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 56 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04058353, 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 Jul 1, 2021 · Synced Jun 26, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04058353 live on ClinicalTrials.gov.