Status:

RECRUITING

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

Lead Sponsor:

Vertex Pharmaceuticals Incorporated

Collaborating Sponsors:

Moderna, Inc

Conditions:

Cystic Fibrosis

Eligibility:

All Genders

18-65 years

Phase:

PHASE1

PHASE2

Brief 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 conducta...

Eligibility Criteria

Key Inclusion Criteria:

  • Body mass index is less than (<) 30.0 kilograms per meter square (kg/m^2)

  • A total body weight greater than (>) 50 kg

  • Stable CF disease

  • CFTR gene mutations on both alleles that are not responsive to CFTR modulator therapy

    o Example mutations include but are not limited to, mutations that do not produce CFTR protein (i.e., Class I): nonsense mutations (e.g., G542X, W1282X) and canonical splice mutations (e.g., 621+1G->T)

  • Forced expiratory volume in 1 second (FEV1) value for SAD: greater than or equal to (≥)40 percent (%), MAD: ≥ 50% to less than or equal to (≤) 90%

Key Exclusion Criteria:

  • History of uncontrolled asthma within a year prior to screening
  • History of solid organ or hematological transplantation
  • Hepatic cirrhosis with portal hypertension, moderate hepatic impairment (Child Pugh Score 7 to 9), or severe hepatic impairment (Child Pugh Score 10 to 15)
  • Arterial oxygen saturation on room air less than (<) 94% at screening

Other protocol defined Inclusion/Exclusion criteria may apply.

Key Trial Info

Start Date :

February 27 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

May 12 2027

Estimated Enrollment :

39 Patients enrolled

Trial Details

Trial ID

NCT05668741

Start Date

February 27 2023

End Date

May 12 2027

Last Update

March 25 2026

Active Locations (43)

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Page 1 of 11 (43 locations)

1

University of Alabama at Birmingham - Child Health Research Unit

Birmingham, Alabama, United States, 35233

2

Memorial Health Services on behalf of Long Beach Memorial Medical Center d/b/a Miller Children's Hospital Long Beach

Long Beach, California, United States, 90806

3

Stanford University - Palo Alto - Pulmonology

Palo Alto, California, United States, 94304

4

National Jewish Health

Denver, Colorado, United States, 80206