A Study of VX-445 in Healthy Subjects and Subjects With Cystic Fibrosis
Cystic Fibrosis
About this trial
This is an interventional treatment trial for Cystic Fibrosis
Eligibility Criteria
Key Inclusion Criteria:
Parts A, B, and C:
- Female subjects must be of non-childbearing potential.
- Between the ages of 18 and 55 years, inclusive.
- Body mass index (BMI) of 18.0 to 32.0 kg/m2, inclusive, and a total body weight >50 kg
Parts D, E, and F:
- Body weight ≥35 kg.
Subjects must have an eligible CFTR genotype:
- Parts D and F: Heterozygous for F508del and an MF mutation (F/MF)
- Part E: Homozygous for F508del (F/F)
- FEV1 value ≥40% and ≤90% of predicted mean for age, sex, and height.
Key Exclusion Criteria:
Parts A, B, and C:
- Any condition possibly affecting drug absorption.
- History of febrile illness within 14 days before the first study drug dose.
- Glucose-6-phosphate dehydrogenase (G6PD) deficiency.
Parts D, E, and F:
- 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
- Banner University of Arizona Medical Center
- University of Arkansas for Medical Sciences
- Valley Children's Healthcare
- (Kaiser Permanente) Oakland Medical Center
- National Jewish Health
- Central Florida Pulmonary Group
- Tampa General Hospital Cardiac and Lung Transplant Clinic
- Children's Specialty Services at North Druid Hills
- Northwestern Memorial Hospital
- Covance Clinical Research Unit Inc., Evansville Clinic [Parts A, B, C only]
- University of Kansas Medical Center
- Tulane Medical Center
- Harper University Hospital
- Children's Respiratory and Critical Care Specialists, P.A., Children's Hospitals and Clinics of Minn
- Morristown Medical Center
- University of New Mexico School of Medicine
- UC Health Office of Clinical Research
- University Hospitals Cleveland Medical Center/Rainbow Babies and Children's Hospital
- Nationwide Children's Hospital
- Austin Children's Chest Associates
- The University of Vermont
- University of Virginia Health System
- West Virginia University Hospitals
- Children's Hospital of the King's Daughters
- Virginia Commonwealth University
- Medical College of Wisconsin
- Monash Medical Center
- The Alfred Hospital
- The Royal Children's Hospital Melbourne
- Mater Adult Hospital
- Royal Prince Alfred Hospital
- Westmead Hospital
- Antwerp University Hospital
- Universitair Ziekenhuis Gent
- Academic Medical Centre
- HagaZiekenhuis van den Haag
- Radboud UMC
- Erasmus Medical Center
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Arm 7
Arm 8
Arm 9
Arm 10
Arm 11
Arm 12
Arm 13
Arm 14
Arm 15
Placebo Comparator
Experimental
Experimental
Placebo Comparator
Experimental
Placebo Comparator
Experimental
Placebo Comparator
Experimental
Experimental
Experimental
Active Comparator
Experimental
Placebo Comparator
Experimental
Part A: Pooled Placebo (Except Cohort A7)
Part A: VX-445 (Except Cohort A7)
Part A: VX-445 (Cohort A7)
Part B: Pooled Placebo (Cohort B1 to B4)
Part B: VX-445 (Cohort B1 to B4)
Part C: Pooled Placebo (Cohort C1 to C3)
Part C: VX-445/TEZ/IVA TC (Cohort C1 to C3)
Part D: Placebo
Part D: VX-445/TEZ/IVA TC - Low Dose
Part D: VX-445/TEZ/IVA TC - Medium Dose
Part D: VX-445/TEZ/IVA TC - High Dose
Part E: TEZ/IVA
Part E: VX-445/TEZ/IVA TC
Part F: Placebo
Part F: VX-445/TEZ/VX-561 TC
Participants without CF who received single dose of placebo matched to VX-445 in Cohort A1 to A5.
Participants without CF who received single ascending dose of VX-445 tablet starting from 20 milligrams (mg) to 360 mg in Cohort A1 to A5.
Participants without CF who received single dose of VX-445 100 mg tablet on Day 1 in fasted state and on Day 7 in fed state, followed by VX-445 20 mg intravenous (IV) injection on Day 13 in fed state in Cohort A7.
Participants without CF who received multiple doses of placebo matched to VX-445 once daily (qd) for 10 days in Cohort B1 to B4.
Participants without CF who received VX-445 tablet qd for 10 days in Cohort B1 (60 mg), B2 (120 mg), B3 (240 mg) and B4 (340 mg).
Participants without CF who received placebo matched to VX-445/TEZ/IVA triple combination (TC) qd in the morning and placebo matched to IVA in the evening for 14 days.
Participants without CF who received VX-445 200 mg qd/TEZ 100 mg qd/IVA 150 mg q12h in Cohort C1; VX-445 280 mg qd/TEZ 100 mg qd/IVA 150 mg q12h in Cohort C2 and VX-445 100 mg qd/TEZ 100 mg qd/IVA 150 mg q12h in Cohort C3 for 14 days.
Participants with CF, F/MF genotype who received placebo matched to VX-445/TEZ/IVA TC qd in the morning and placebo matched to IVA qd in the evening for 4 weeks in the TC treatment period.
Participants with CF, F/MF genotype who received VX-445 50 mg qd/TEZ 100 mg qd/IVA 150 mg q12h for 4 weeks in the TC treatment period.
Participants with CF, F/MF genotype who received VX-445 100 mg qd/TEZ 100 mg qd/IVA 150 mg q12h for 4 weeks in the TC treatment period.
Participants with CF, F/MF genotype who received VX-445 200 mg qd/TEZ 100 mg qd/IVA 150 mg q12h for 4 weeks in the TC treatment period.
Following run-in period of 4 weeks with TEZ/IVA, participants with CF, F/F genotype who received TEZ 100 mg qd/IVA 150 mg q12h and placebo matched to VX-445 for 4 weeks in the TC treatment period.
Following run-in period of 4 weeks with TEZ/IVA, participants with CF, F/F genotype who received VX-445 200 mg qd/TEZ 100 mg qd /IVA 150 mg q12h for 4 weeks in the TC treatment period.
Participants with CF, F/MF genotype who received placebo matched to VX-445/TEZ/VX-561 for 4 weeks in the TC treatment period.
Participants with CF, F/MF genotype who received VX-445 200 mg qd/TEZ 100 mg qd/VX-561 150 mg qd for 4 weeks in the TC treatment period.