A Phase 2 Study to Evaluate Efficacy and Safety of VX-561 in Subjects Aged 18 Years and Older With Cystic Fibrosis
Public ClinicalTrials.gov record NCT03911713. 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 2, Randomized, Double-blind Study to Evaluate the Efficacy and Safety of VX-561 in Subjects Aged 18 Years and Older With Cystic Fibrosis
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to evaluate the efficacy, safety, pharmacodynamic (PD) and pharmacokinetic (PK) effect of VX-561.
Study identification
- NCT ID
- NCT03911713
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 77 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 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
- Apr 17, 2019 (Actual)
- Primary completion
- Aug 20, 2020 (Actual)
- Completion
- Aug 20, 2020 (Actual)
- Last update posted
- Jan 25, 2022
2019 – 2020
United States locations
- U.S. sites
- 30
- U.S. states
- 23
- U.S. cities
- 28
| 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 | — |
| UCSF Gateway Medical Center | 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 | — |
| University of Kansas Medical Center | Kansas City | Kansas | 66160 | — |
| University of Kentucky | Lexington | Kentucky | 40536 | — |
| Johns Hopkins Hospital | Baltimore | Maryland | 21287 | — |
| Massachusetts General Hospital Cystic Fibrosis Center Clinical Research Center | Boston | Massachusetts | 02114 | — |
| Boston Children's Hospital | Boston | Massachusetts | 02115 | — |
| Michigan Medicine | Ann Arbor | Michigan | 48109-5212 | — |
| University of Minnesota | Minneapolis | Minnesota | 55455 | — |
| Cardinal Glennon Children's Hospital | St Louis | Missouri | 63104 | — |
| Washington University School of Medicine / St. Louis Children's Hospital | St Louis | Missouri | 63110 | — |
| Dartmouth Hitchcock Medical Center | Lebanon | New Hampshire | 03756 | — |
| 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 | — |
| 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 | — |
| Children's Hospital of Philadelphia | Philadelphia | Pennsylvania | 19104 | — |
| Children's Hospital of Pittsburgh of UPMC | Pittsburgh | Pennsylvania | 15224 | — |
| Medical University of South Carolina | Charleston | South Carolina | 29425 | — |
| Dell Children's Medical Group | Austin | Texas | 78723 | — |
| The University of Texas Southwestern Medical Center | Dallas | Texas | 75390 | — |
| University of Utah / Primary Children's Medical Center | Salt Lake City | Utah | 84132 | — |
| 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 18 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03911713, 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 Jan 25, 2022 · Synced Oct 18, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT03911713 live on ClinicalTrials.gov.