CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 124 enrolled
Drug / intervention
VX-659 +6 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03224351
NCT03224351Phase 2Completed

A Phase 2, Randomized, Double-blind, Controlled Study to Evaluate the Safety and Efficacy of VX-659 Combination Therapy in Subjects Aged 18 Years and Older With Cystic Fibrosis

Vertex Pharmaceuticals Incorporated·interventional·Posted Jul 21, 2017·Updated Apr 22, 2021

In Brief

A Phase 2 clinical trial evaluating VX-659, TEZ/IVA, and 5 other interventions for Cystic Fibrosis. Completed, enrolled 124 participants across 47 sites in 4 countries.

Detailed Summary

This is a Phase 2, randomized, double-blind, placebo- and tezacaftor/ivacaftor (TEZ/IVA)-controlled, parallel-group, 3-part, multicenter study designed to evaluate the safety and efficacy of VX-659 in triple combination (TC) with TEZ and IVA in subjects with cystic fibrosis (CF) who are homozygous for the F508del mutation of the CF transmembrane conductance regulator (CFTR) gene (F/F genotype), or who are heterozygous for the F508del mutation and a minimal function (MF) CFTR mutation not likely to respond to TEZ, IVA, or TEZ/IVA (F/MF genotypes).

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsCystic Fibrosis
CountriesIreland, Israel, United Kingdom, United States
Collaborators--

Timeline

Phase 2CompletedFinished
201820192020202120222023202420252026
First PostedJul 21, 2017
Enrollment StartAug 8, 2017
Primary CompletionFeb 28, 2018
TodayJul 2, 2026
Enrollment to primary: 7 monthsPosted 8.9 years ago

Interventions

VX-659drug

Tablet for oral administration.

TEZ/IVAdrug

TEZ/IVA fixed-dose combination tablet for oral administration.

IVAdrug

Tablet for oral administration.

Placebo (matched to VX-659/TEZ/IVA)drug

Placebo matched to VX-659 and TEZ/IVA.

TEZdrug

Tablet for oral administration.

VX-561drug

Tablet for oral administration.

Placebo (matched to VX-659/TEZ/VX-561)drug

Placebo matched to VX-659, TEZ and VX-561.