A Study Evaluating the Safety and Efficacy of VX-659 Combination Therapy in Subjects With Cystic Fibrosis
Cystic Fibrosis
About this trial
This is an interventional treatment trial for Cystic Fibrosis
Eligibility Criteria
Key Inclusion Criteria:
- Body weight ≥35 kg.
Subjects must have an eligibleCFTR genotype.
- Part 1 and Part 3: Heterozygous for F508del and an MF mutation (F/MF)
- Part 2: Homozygous for F508del (F/F)
- FEV1 value ≥40% and ≤90% of predicted mean for age, sex, and height
Key Exclusion Criteria:
- History of clinically significant cirrhosis with or without portal hypertension.
- Glucose-6-phosphate dehydrogenase (G6PD) deficiency
- Lung infection with organisms associated with a more rapid decline in pulmonary status.
- History of solid organ or hematological transplantation.
Other protocol defined Inclusion/Exclusion criteria may apply.
Sites / Locations
- Yale New Haven Hospital
- University of Miami/Miller School of Medicine
- Advocate Children's Hospital - Park Ridge / North Suburban Pulmonary and Critical Care Consultants
- Indiana University Health
- The University of Iowa Hospitals and Clinics
- The Johns Hopkins Hospital/ Johns Hopkins Hospital, David Rubenstein Child Health Building
- Boston Children's Hospital
- University of Massachusetts Memorial Medical Center
- University of Michigan Health System
- Helen DeVos Children's Hospital CF Center
- Children's Mercy Hospital
- Rutgers-Robert Wood Johnson Medical School/ Rutgers-Robert Wood Johnson Medical School, Clinical Research Center
- Albany Medical College
- Northwell Health, Long Island Jewish Medical Center
- Columbia University Medical Center
- SUNY Upstate Medical University
- Respiratory Diseases of Children & Adolescents
- Children's Hospital of Pittsburgh of University of Pittsburgh Medical Center
- Sanford Research / USD
- University of Tennessee Medical Center-Adult Cystic Fibrosis Clinic
- Children's Foundation Research Center / Le Bonheur Children's Hospital
- Vanderbilt University Medical Center
- University of Utah / Primary Children's Medical Center
- Seattle Children's Hospital
- Providence Pediatric Pulmonary & Allergy/Immunology Clinic
- Cork University Hospital
- St. Vincent's University Hosptial
- Galway University Hospitals
- University Hospital Limerick
- Carmel Medical Center
- Ruth Children's Hospital Rambam Health Care Campus
- Hadassah Medical Organization
- The Chaim Sheba medical center
- Schneider Children's Medical Center
- Birmingham Heartlands Hospital
- Papworth Hospital NHS Foundation Trust, Papworth Everard
- University Hospital Llandough in Cardiff
- Royal Devon and Exeter NHS Foundation Trust, Royal Devon and Exeter Hospital
- The Newcastle upon Tyne Hospitals NHS Foundation Trust, The Royal Victoria Infirmary
- Greater Glasgow and Clyde NHS Board, Glasgow Clinical Research Facility
- Southampton University Hospitals NHS Foundation Trust
- Regional Respiratory Centre Belfast City Hospital
- Royal Brompton & Harefied NHS Foundation Trust
- University Hospital of South Manchester NHS Trust, North West Lung Centre
- Liverpool Heart and Chest Hospital
- Nottingham University Hospitals NHS Trust
- Ruth Children's Hospital Rambam Health Care Campus
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Arm 7
Arm 8
Placebo Comparator
Experimental
Experimental
Experimental
Active Comparator
Experimental
Placebo Comparator
Experimental
Part 1: Placebo
Part 1: VX-659/TEZ/IVA TC - Low Dose
Part 1: VX-659/TEZ/IVA TC - Medium Dose
Part 1: VX-659/TEZ/IVA TC - High Dose
Part 2: TEZ/IVA
Part 2: VX-659/TEZ/IVA TC
Part 3: Placebo
Part 3: VX-659/TEZ/VX-561 TC
Participants received placebo matched to VX-659/TEZ/IVA in TC treatment period for 4 weeks and placebo matched TEZ/IVA in washout period for 4 days.
Participants received VX-659 80 milligram (mg) once daily (qd)/TEZ 100 mg qd/IVA 150 mg every 12 hours (q12h) in TC treatment period for 4 weeks and TEZ 100 mg qd/IVA 150 mg q12h in washout period for 4 days.
Participants received VX-659 240 mg qd/TEZ 100 mg qd/IVA 150 mg q12h in TC treatment period for 4 weeks and TEZ 100 mg qd/IVA 150 mg q12h in washout period for 4 days.
Participants received VX-659 400 mg qd/TEZ 100 mg qd/IVA 150 mg q12h in TC treatment period for 4 weeks and TEZ 100 mg qd/IVA 150 mg q12h in washout period for 4 days.
Following run-in period with TEZ 100 mg qd/IVA 150 mg q12h for 4 weeks, participants received TEZ 100 mg qd/IVA 150 mg q12h in TC treatment period for 4 weeks and TEZ 100 mg qd/IVA 150 mg q12h in washout period for 4 weeks.
Following run-in period with TEZ 100 mg qd/IVA 150 mg q12h for 4 weeks, participants received VX-659 400 mg qd/TEZ 100 mg qd/IVA 150 mg q12h in TC treatment period for 4 weeks and TEZ 100 mg qd/IVA 150 mg q12h in washout period for 4 weeks.
Participants received placebo matched to VX-659/TEZ/VX-561 in TC treatment period for 4 weeks.
Participants received VX-659 400 mg qd/TEZ 100 mg qd/VX-561 200 mg qd in TC treatment period for 4 weeks.