A Phase 1/2 Study of VX-522 in Participants With Cystic Fibrosis (CF)

NCT05668741 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE1/PHASE2 · Type: INTERVENTIONAL · Enrollment: 26

Last updated 2026-05-22

No results posted yet for this study

Summary

The purpose of this study is to evaluate the safety, and tolerability and efficacy of VX-522 in participants 18 years of age and older with cystic fibrosis and a cystic fibrosis transmembrane conductance regulator (CFTR) genotype not responsive to CFTR modulator therapy.

Conditions

Interventions

DRUG

VX-522 mRNA therapy

Oral inhalation using nebulizer.

DRUG

IVA

Tablet for oral administration.

Sponsors & Collaborators

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SEQUENTIAL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2023-02-27
Primary Completion
2026-04-21
Completion
2026-09-09
FDA Drug
Yes

Countries

  • United States
  • Australia
  • Belgium
  • Canada
  • Germany
  • Sweden
  • United Kingdom

Study Locations

More Related Trials

Entities

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05668741 on ClinicalTrials.gov