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Completed Phase 2 Interventional Results available

Study of VX-809 in Cystic Fibrosis Subjects With the ∆F508-CFTR Gene Mutation

ClinicalTrials.gov ID: NCT00865904

Public ClinicalTrials.gov record NCT00865904. 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.

ClinicalTrials.gov public records Last synced Jun 27, 2026, 5:58 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Double-Blind, Placebo-Controlled, Multiple Dose Study of VX-809 to Evaluate Safety, Pharmacokinetics, and Pharmacodynamics of VX-809 in Cystic Fibrosis Subjects Homozygous for the ∆F508-CFTR Gene Mutation

Study identification

NCT ID
NCT00865904
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Enrollment
93 participants

Conditions and interventions

Interventions

  • VX-809 Drug
  • Placebo 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
Feb 28, 2009
Primary completion
Nov 30, 2009
Completion
Nov 30, 2009
Last update posted
Aug 27, 2015

2009

United States locations

U.S. sites
18
U.S. states
14
U.S. cities
18
Facility City State ZIP Site status
Not listed Birmingham Alabama
Not listed Palo Alto California
Not listed San Diego California
Not listed Aurora Colorado
Not listed Atlanta Georgia
Not listed Chicago Illinois
Not listed Iowa City Iowa
Not listed Baltimore Maryland
Not listed Boston Massachusetts
Not listed Minneapolis Minnesota
Not listed St Louis Missouri
Not listed Chapel Hill North Carolina
Not listed Cincinnati Ohio
Not listed Cleveland Ohio
Not listed Columbus Ohio
Not listed Philadelphia Pennsylvania
Not listed Pittsburgh Pennsylvania
Not listed Seattle Washington

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 7 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00865904, 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 27, 2015 · Synced Jun 27, 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 NCT00865904 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →