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A Phase 3 Study of VX-121 Combination Therapy in Subjects With Cystic Fibrosis

A Phase 3, Open-label Study Evaluating the Long-term Safety and Efficacy of VX-121 Combination Therapy in Subjects With Cystic Fibrosis

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2021-000713-17-CZ
Enrollment
850
Registered
2022-09-23
Start date
2022-12-22
Completion date
Unknown
Last updated
2024-08-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cystic Fibrosis MedDRA version: 20.0 Level: PT Classification code 10011762 Term: Cystic fibrosis System Organ Class: 10010331 - Congenital, familial and genetic disorders

Interventions

Sponsors

Vertex Pharmaceuticals Incorporated
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Subject (or his or her legally appointed and authorized representative) will sign and date an informed consent form (ICF), and, when appropriate, an assent form. 2.Willing and able to comply with scheduled visits, treatment plan, study restrictions, laboratory tests, contraceptive guidelines, and other study procedures. 3.Did not withdraw consent from a parent study. 4.Meets at least 1 of the following criteria: •Completed study drug treatment in a parent study. •Had study drug interruption(s) in a parent study, but did not permanently discontinue study drug, and completed study visits up to the last scheduled visit of the Treatment Period of a parent study. 5.Willing to remain on a stable CF treatment regimen through completion of study participation. Are the trial subjects under 18? yes Number of subjects for this age range: 140 F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 710 F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: 1.History of any comorbidity that, in the opinion of the investigator, might confound the results of the study or pose an additional risk in administering study drug to the subject. 2.Pregnant or breast-feeding females. All female subjects must have a negative pregnancy test at the Day 1 Visit before receiving the first dose of study drug. 3.History of drug intolerance in a parent study that would pose an additional risk to the subject in the opinion of the investigator. (e.g., subjects with a history of allergy or hypersensitivity to the study drug.) 4.Current participation in an investigational drug trial (other than a parent study). Participation in a noninterventional study (including observational studies, registry studies, and studies requiring blood collections without administration of study drug) and screening for another Vertex study is permitted.

Design outcomes

Primary

MeasureTime frame
Secondary Objective: To evaluate the long-term efficacy of VX-121/TEZ/D-IVA;Main Objective: To evaluate the long-term safety and tolerability of VX121/tezacaftor/deutivacaftor (VX-121/TEZ/D-IVA) in subjects with cystic fibrosis (CF);Primary end point(s): Safety and tolerability of long-term treatment with VX-121/TEZ/D-IVA based on adverse events (AEs), clinical laboratory values, ECGs, vital signs, and pulse oximetry;Timepoint(s) of evaluation of this end point: Day 1 through 96 weeks

Secondary

MeasureTime frame
Secondary end point(s): Absolute change from baseline in percent predicted forced expiratory volume in 1 second (ppFEV1) Absolute change from baseline in sweat chloride(SwCl) Number of pulmonary exacerbations (PEx);Timepoint(s) of evaluation of this end point: Day 1 through 96 weeks

Countries

Australia, Austria, Belgium, Canada, Czechia, Czech Republic, Denmark, France, Germany, Greece, Hungary, Ireland, Israel, Italy, Netherlands, New Zealand, Norway, Poland, Portugal, Spain, Sweden, Switzerland, United Kingdom, United States

Contacts

Public ContactClinical Trials and Medical Info

Vertex Pharmaceuticals Incorporated

medicalinfo@vrtx.com1877634 8789

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026