Study to Evaluate the Safety and Efficacy of CTP-656 in Patients With Cystic Fibrosis With CFTR Gating Mutations
Public ClinicalTrials.gov record NCT02971839. 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, Parallel-Group, Double-Blind, Placebo Controlled Study to Evaluate the Safety and Efficacy of CTP-656 With an Open-Label Active Comparator in Patients With Cystic Fibrosis With CFTR Gating Mutations.
Study identification
- NCT ID
- NCT02971839
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Vertex Pharmaceuticals Incorporated
- Industry
- Enrollment
- 11 participants
Conditions and interventions
Conditions
Interventions
- VX-561 Drug
- Placebo Drug
- IVA Drug
Drug
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
- Nov 30, 2016
- Primary completion
- Jul 31, 2017
- Completion
- Jul 31, 2017
- Last update posted
- Aug 25, 2020
2016 – 2017
United States locations
- U.S. sites
- 14
- U.S. states
- 11
- U.S. cities
- 14
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Southern California | Los Angeles | California | — | — |
| Stanford Hospital | Palo Alto | California | — | — |
| Children's National Health | Washington D.C. | District of Columbia | — | — |
| University of Miami | Miami | Florida | — | — |
| Rush University | Chicago | Illinois | — | — |
| Indiana University | Indianapolis | Indiana | — | — |
| Boston Children's Hospital | Boston | Massachusetts | — | — |
| University of Massachusetts | Worcester | Massachusetts | — | — |
| Washington University | St Louis | Missouri | — | — |
| Atlantic Health | Morristown | New Jersey | — | — |
| New York Medical College | Valhalla | New York | — | — |
| Cincinnati Children's Hospital | Cincinnati | Ohio | — | — |
| Nationwide Children's Hospital | Columbus | Ohio | — | — |
| Children's Hospital of Philadelphia | Philadelphia | Pennsylvania | — | — |
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 NCT02971839, 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 Aug 25, 2020 · Synced Jun 26, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02971839 live on ClinicalTrials.gov.