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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02565914
Registration number
NCT02565914
Ethics application status
Date submitted
18/09/2015
Date registered
1/10/2015
Date last updated
28/09/2023
Titles & IDs
Public title
A Study to Evaluate the Safety and Efficacy of Long Term Treatment With VX-661 in Combination With Ivacaftor in Participants With Cystic Fibrosis Who Have an F508del-CFTR Mutation
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Scientific title
A Phase 3, Open-label, Rollover Study to Evaluate the Safety and Efficacy of Long Term Treatment With VX-661 in Combination With Ivacaftor in Subjects Aged 12 Years and Older With Cystic Fibrosis, Homozygous or Heterozygous for the F508del-CFTR Mutation
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Secondary ID [1]
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2014-004827-29
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Secondary ID [2]
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VX14-661-110
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Cystic Fibrosis
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Condition category
Condition code
Human Genetics and Inherited Disorders
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Cystic fibrosis
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Respiratory
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Other respiratory disorders / diseases
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Oral and Gastrointestinal
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Inflammatory and Immune System
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Connective tissue diseases
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Inflammatory and Immune System
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Other inflammatory or immune system disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - TEZ/IVA
Treatment: Drugs - IVA
Experimental: TEZ/IVA - Part A: Participants who received either TEZ/IVA, IVA monotherapy or Placebo in parent studies 103,106,107,108,109 and 111 were administered TEZ 100 milligram (mg)/IVA 150 mg fixed-dose tablet in the morning and IVA 150 mg mono tablet in the evening for 96 weeks.
Part B: Participants who received either TEZ/IVA, IVA monotherapy or Placebo in parent studies 106,108,109,112 and 114 were administered TEZ 100 mg/IVA 150 mg fixed-dose tablet in the morning and IVA 150 mg mono tablet in the evening for 96 weeks.
Part C: Participants who received TEZ/IVA, IVA monotherapy or Placebo in parent studies 106,108, and 114 were administered TEZ 100 mg/IVA 150 mg fixed dose tablet in the morning and IVA 150 mg mono tablet in the evening for 192 weeks.
Treatment: Drugs: TEZ/IVA
Fixed dose tablet for oral administration.
Treatment: Drugs: IVA
Tablet for oral administration.
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Part A: Safety and Tolerability as Assessed by Number of Participants With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)
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Assessment method [1]
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0
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Timepoint [1]
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Day 1 up to Week 100
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Primary outcome [2]
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Part B: Safety and Tolerability as Assessed by Number of Participants With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs
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Assessment method [2]
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0
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Timepoint [2]
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Day 1 up to Week 100
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Primary outcome [3]
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Part C: Safety and Tolerability as Assessed by Number of Participants With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)
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Assessment method [3]
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0
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Timepoint [3]
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Day 1 up to Week 196
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Secondary outcome [1]
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Part A: Absolute Change in Percent Predicted Forced Expiratory Volume in 1 Second (ppFEV1) for 106/110 Efficacy Set
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Assessment method [1]
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FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 106 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 106 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline except for Placebo-TEZ/IVA category, for which baseline was study 110 baseline.
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Timepoint [1]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [2]
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0
Part A: Absolute Change in Percent Predicted Forced Expiratory Volume in 1 Second (ppFEV1) for 108/110 Efficacy Set
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Assessment method [2]
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0
FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 108 and TEZ/IVA in current study 110); IVA-TEZ/IVA category (participants who received IVA monotherapy in parent study 108 and TEZ/IVA in current study 110); and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 108 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline.
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Timepoint [2]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [3]
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0
Part A: Absolute Change in Percent Predicted Forced Expiratory Volume in 1 Second (ppFEV1) for 103/110 Efficacy Set
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Assessment method [3]
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0
FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration. Data are reported for TEZ/IVA-TEZ/IVA group (participants who received TEZ/IVA in both parent study 103 and in current study 110). Baseline was defined as the parent study baseline.
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Timepoint [3]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [4]
0
0
Part A: Absolute Change in Percent Predicted Forced Expiratory Volume in 1 Second (ppFEV1) for 111/110 Efficacy Set
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Assessment method [4]
0
0
FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 111 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 111 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline.
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Timepoint [4]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [5]
0
0
Part A: Relative Change in Percent Predicted Forced Expiratory Volume in 1 Second (ppFEV1) for 106/110 Efficacy Set
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Assessment method [5]
0
0
FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 106 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 106 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline except for Placebo-TEZ/IVA category, for which baseline was study 110 baseline.
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Timepoint [5]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [6]
0
0
Part A: Relative Change in Percent Predicted Forced Expiratory Volume in 1 Second (ppFEV1) for 108/110 Efficacy Set
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Assessment method [6]
0
0
FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 108 and TEZ/IVA in current study 110); IVA-TEZ/IVA category (participants who received IVA monotherapy in parent study 108 and TEZ/IVA in current study 110); and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 108 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline.
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Timepoint [6]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [7]
0
0
Part A: Relative Change in Percent Predicted Forced Expiratory Volume in 1 Second (ppFEV1) for 103/110 Efficacy Set
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Assessment method [7]
0
0
FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration. Data are reported for TEZ/IVA-TEZ/IVA group (participants who received TEZ/IVA in both parent study 103 and in current study 110). Baseline was defined as the parent study baseline.
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Timepoint [7]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [8]
0
0
Part A: Relative Change in Percent Predicted Forced Expiratory Volume in 1 Second (ppFEV1) for 111/110 Efficacy Set
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Assessment method [8]
0
0
FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 111 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 111 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline.
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Timepoint [8]
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From Baseline at Study 110 Week 96
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Secondary outcome [9]
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Part A: Number of Pulmonary Exacerbation (PEx) Events for 106/110 PEx Analysis Set
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Assessment method [9]
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Pulmonary exacerbation was defined as the treatment with new or changed antibiotic therapy (intravenous, inhaled, or oral) for greater than or equal to 4 sinopulmonary signs/symptoms. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 106 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 106 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline except for Placebo-TEZ/IVA category, for which baseline was study 110 baseline.
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Timepoint [9]
0
0
From Baseline up to Study 110 Week 96
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Secondary outcome [10]
0
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Part A: Number of Pulmonary Exacerbation (PEx) Events for 108/110 PEx Analysis Set
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Assessment method [10]
0
0
Pulmonary exacerbation was defined as the treatment with new or changed antibiotic therapy (intravenous, inhaled, or oral) for greater than or equal to 4 sinopulmonary signs/symptoms. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 108 and TEZ/IVA in current study 110); IVA-TEZ/IVA category (participants who received IVA monotherapy in parent study 108 and TEZ/IVA in current study 110); and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 108 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline.
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Timepoint [10]
0
0
From Baseline up to Week 96
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Secondary outcome [11]
0
0
Part A: Absolute Change in Body Mass Index (BMI) for 106/110 Efficacy Set
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Assessment method [11]
0
0
BMI was defined as weight in kilogram (kg) divided by height in square meter (m\^2). Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 106 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 106 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline except for Placebo-TEZ/IVA category, for which baseline was study 110 baseline.
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Timepoint [11]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [12]
0
0
Part A: Absolute Change in Body Mass Index (BMI) for 108/110 Efficacy Set
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Assessment method [12]
0
0
BMI was defined as weight in kg divided by height in square meter (m\^2). Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 108 and TEZ/IVA in current study 110); IVA-TEZ/IVA category (participants who received IVA monotherapy in parent study 108 and TEZ/IVA in current study 110); and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 108 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline.
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Timepoint [12]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [13]
0
0
Part A: Absolute Change in Body Mass Index (BMI) for 103/110 Efficacy Set
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Assessment method [13]
0
0
BMI was defined as weight in kg divided by height in square meter (m\^2). Data are reported for TEZ/IVA-TEZ/IVA group (participants who received TEZ/IVA in both parent study 103 and in current study 110). Baseline was defined as the parent study baseline.
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Timepoint [13]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [14]
0
0
Part A: Absolute Change in Body Mass Index (BMI) for Study 111/110 Efficacy Set
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Assessment method [14]
0
0
BMI was defined as weight in kg divided by height in square meter (m\^2). Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 111 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 111 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline.
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Timepoint [14]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [15]
0
0
Part A: Absolute Change in BMI Z-score for 106/110 Efficacy Set
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Assessment method [15]
0
0
The z-score is a statistical measure to describe whether a mean was above or below the standard. A z-score of 0 is equal to the mean and is considered normal. Lower numbers indicate values lower than the mean and higher numbers indicate values higher than the mean. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 106 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 106 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline except for Placebo-TEZ/IVA category, for which baseline was study 110 baseline.
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Timepoint [15]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [16]
0
0
Part A: Absolute Change in BMI Z-score for 108/110 Efficacy Set
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Assessment method [16]
0
0
The z-score is a statistical measure to describe whether a mean was above or below the standard. A z-score of 0 is equal to the mean and is considered normal. Lower numbers indicate values lower than the mean and higher numbers indicate values higher than the mean. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 108 and TEZ/IVA in current study 110); IVA-TEZ/IVA category (participants who received IVA monotherapy in parent study 108 and TEZ/IVA in current study 110); and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 108 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline.
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Timepoint [16]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [17]
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Part A: Absolute Change in Cystic Fibrosis Questionnaire-Revised (CFQ-R) Respiratory Domain Score for 106/110 Efficacy Set
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Assessment method [17]
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The CFQ-R is a validated participant-reported outcome measuring health-related quality of life for participants with cystic fibrosis. Respiratory domain assessed respiratory symptoms, score range: 0-100; higher scores indicating fewer symptoms and better health-related quality of life. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 106 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 106 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline except for Placebo-TEZ/IVA category, for which baseline was study 110 baseline.
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Timepoint [17]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [18]
0
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Part A: Absolute Change From Baseline in Cystic Fibrosis Questionnaire-Revised (CFQ-R) Respiratory Domain Score for 108/110 Efficacy Set
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Assessment method [18]
0
0
The CFQ-R is a validated participant-reported outcome measuring health-related quality of life for participants with cystic fibrosis. Respiratory domain assessed respiratory symptoms, score range: 0-100; higher scores indicating fewer symptoms and better health-related quality of life. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 108 and TEZ/IVA in current study 110); IVA-TEZ/IVA category (participants who received IVA monotherapy in parent study 108 and TEZ/IVA in current study 110); and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 108 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline.
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Timepoint [18]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [19]
0
0
Part A: Absolute Change in Cystic Fibrosis Questionnaire-Revised (CFQ-R) Respiratory Domain Score for 103/110 Efficacy Set
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Assessment method [19]
0
0
The CFQ-R is a validated participant-reported outcome measuring health-related quality of life for participants with cystic fibrosis. Respiratory domain assessed respiratory symptoms, score range: 0-100; higher scores indicating fewer symptoms and better health-related quality of life. Data are reported for TEZ/IVA-TEZ/IVA group (participants who received TEZ/IVA in both parent study 103 and in current study 110). Baseline was defined as the parent study baseline.
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Timepoint [19]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [20]
0
0
Part A: Absolute Change in Body Weight for Study 106/110 Efficacy Set
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Assessment method [20]
0
0
Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 106 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 106 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline except for Placebo-TEZ/IVA category, for which baseline was study 110 baseline.
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Timepoint [20]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [21]
0
0
Part A: Absolute Change in Body Weight for 108/110 Efficacy Set
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Assessment method [21]
0
0
Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 108 and TEZ/IVA in current study 110); IVA-TEZ/IVA category (participants who received IVA monotherapy in parent study 108 and TEZ/IVA in current study 110); and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 108 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline.
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Timepoint [21]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [22]
0
0
Part A: Absolute Change in Body Weight for 103/110 Efficacy Set
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Assessment method [22]
0
0
Data are reported for TEZ/IVA-TEZ/IVA group (participants who received TEZ/IVA in both parent study 103 and in current study 110). Baseline was defined as the parent study baseline.
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Timepoint [22]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [23]
0
0
Part A: Absolute Change in Body Weight for 111/110 Efficacy Set
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Assessment method [23]
0
0
Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 111 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 111 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline.
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Timepoint [23]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [24]
0
0
Part A: Absolute Change in Body Weight Z-score for 106/110 Efficacy Set
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Assessment method [24]
0
0
The z-score is a statistical measure to describe whether a mean was above or below the standard. A z-score of 0 is equal to the mean and is considered normal. Lower numbers indicate values lower than the mean and higher numbers indicate values higher than the mean. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 106 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 106 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline except for Placebo-TEZ/IVA category, for which baseline was study 110 baseline.
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Timepoint [24]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [25]
0
0
Part A: Absolute Change in Body Weight Z-score for 108/110 Efficacy Set
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Assessment method [25]
0
0
The z-score is a statistical measure to describe whether a mean was above or below the standard. A z-score of 0 is equal to the mean and is considered normal. Lower numbers indicate values lower than the mean and higher numbers indicate values higher than the mean. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 108 and TEZ/IVA in current study 110); IVA-TEZ/IVA category (participants who received IVA monotherapy in parent study 108 and TEZ/IVA in current study 110); and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 108 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline.
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Timepoint [25]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [26]
0
0
Part A: Absolute Change in Height Z-score for 106/110 Efficacy Set
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Assessment method [26]
0
0
The z-score is a statistical measure to describe whether a mean was above or below the standard. A z-score of 0 is equal to the mean and is considered normal. Lower numbers indicate values lower than the mean and higher numbers indicate values higher than the mean. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 106 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 106 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline except for Placebo-TEZ/IVA category, for which baseline was study 110 baseline.
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Timepoint [26]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [27]
0
0
Part A: Absolute Change in Height Z-score for 108/110 Efficacy Set
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Assessment method [27]
0
0
The z-score is a statistical measure to describe whether a mean was above or below the standard. A z-score of 0 is equal to the mean and is considered normal. Lower numbers indicate values lower than the mean and higher numbers indicate values higher than the mean. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 108 and TEZ/IVA in current study 110); IVA-TEZ/IVA category (participants who received IVA monotherapy in parent study 108 and TEZ/IVA in current study 110); and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 108 and in current study 110) as per pre-specified analysis plan. Baseline was defined as the parent study baseline.
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Timepoint [27]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [28]
0
0
Part A: Time-to-first Pulmonary Exacerbation (PEx) for 106/110 PEx Analysis Set
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Assessment method [28]
0
0
Time-to-first pulmonary exacerbation was analyzed using Kaplan-Meier estimates and expressed in terms of event-free probability. PEx was defined as the treatment with new or changed antibiotic therapy (intravenous, inhaled, or oral) for greater than or equal to 4 sinopulmonary signs/symptoms. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 106 and TEZ/IVA in current study 110) and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 106 and in current study 110) as per pre-specified analysis plan.
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Timepoint [28]
0
0
96 weeks
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Secondary outcome [29]
0
0
Part A: Time-to-first Pulmonary Exacerbation (PEx) for 108/110 PEx Analysis Set
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Assessment method [29]
0
0
Time-to-first pulmonary exacerbation was analyzed using Kaplan-Meier estimates and expressed in terms of event-free probability. PEx was defined as the treatment with new or changed antibiotic therapy (intravenous, inhaled, or oral) for greater than or equal to 4 sinopulmonary signs/symptoms. Data are reported separately for Placebo-TEZ/IVA category (participants who received placebo in parent study 108 and TEZ/IVA in current study 110); IVA-TEZ/IVA category (participants who received IVA monotherapy in parent study 108 and TEZ/IVA in current study 110); and TEZ/IVA-TEZ/IVA category (participants who received TEZ/IVA in both parent study 108 and in current study 110) as per pre-specified analysis plan.
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Timepoint [29]
0
0
96 weeks
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Secondary outcome [30]
0
0
Part A: Plasma Concentrations of TEZ, TEZ Metabolite (M1-TEZ), Ivacaftor (IVA) and Ivacaftor Metabolite (M1-IVA)
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Assessment method [30]
0
0
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Timepoint [30]
0
0
Week 24
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Secondary outcome [31]
0
0
Part B: Absolute Change in Percent Predicted Forced Expiratory Volume in 1 Second (ppFEV1)
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Assessment method [31]
0
0
FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration.
Query!
Timepoint [31]
0
0
From Baseline at Study 110 Week 96
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Secondary outcome [32]
0
0
Part B: Absolute Change in Body Mass Index (BMI)
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Assessment method [32]
0
0
BMI was defined as weight in kilogram (kg) divided by height in square meter (m\^2).
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Timepoint [32]
0
0
From Baseline at Week 96
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Secondary outcome [33]
0
0
Part B: Absolute Change in BMI Z-score
Query!
Assessment method [33]
0
0
The z-score is a statistical measure to describe whether a mean was above or below the standard. A z-score of 0 is equal to the mean and is considered normal. Lower numbers indicate values lower than the mean and higher numbers indicate values higher than the mean.
Query!
Timepoint [33]
0
0
From Baseline at Week 96
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Secondary outcome [34]
0
0
Part B: Number of Pulmonary Exacerbation (PEx) Events
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Assessment method [34]
0
0
Pulmonary exacerbation was defined as the treatment with new or changed antibiotic therapy (intravenous, inhaled, or oral) for greater than or equal to 4 sinopulmonary signs/symptoms.
Query!
Timepoint [34]
0
0
From Baseline up to Week 96
Query!
Eligibility
Key inclusion criteria
Part A:
* Participants entering the Treatment Cohort must meet all of the following criteria:
* Elect to enroll in the Treatment Cohort
* Completed study drug Treatment Period in a parent study (NCT02070744, NCT02347657, NCT02516410, NCT02392234, NCT02412111) or study drug treatment and the Safety Follow up Visit for participants from NCT02508207.
* Willing to remain on a stable CF regimen through the Safety Follow-up Visit.
* Participants re-enrolling in the Part A Treatment Cohort must meet all of the following criteria:
* Previously received at least 4 weeks of study drug before discontinuing in Part A of Study NCT02565914 to participate in another qualified Vertex study.
* Completed the last required visit of another qualified Vertex study before or during the Returning Visit in Part A Study NCT02565914.
* Participants entering the Part A Observational Cohort must meet the following criteria:
* <18 years of age (age on the date of informed consent/assent in the parent study)
* Completed study drug Treatment Period in a parent study or study drug treatment and the Safety Follow up Visit for subjects from NCT02508207, but do not elect to enroll in the NCT02565914 Treatment Cohort; or
* Received at least 4 weeks of study drug treatment and completed visits up to the last scheduled visit of the Treatment Period of a parent study (and the Safety Follow up Visit for participants from NCT02508207), but do not meet eligibility criteria for enrollment into the Treatment Cohort
Part B:
Participants who meet all of the following inclusion criteria will be eligible for Part B.
* Did not withdraw consent from the parent study or Part A of Study NCT02565914.
* Completed study drug treatment during the Treatment Period in Part A of - Willing to remain on a stable CF medication (and supplement) regimen through the 96 week visit of Study NCT02565914.
Participants re enrolling in Part B must meet all of the following criteria:
* Previously received at least 4 weeks of study drug before discontinuing Study NCT02565914 to participate in another qualified Vertex study, which is defined as a Vertex study of investigational CFTR modulators that allows participation of participants in Study NCT02565914.
* Completed the last required visit of another qualified Vertex study before or during the Returning Visit in Part B.
* Willing to remain on a stable CF medication (and supplement) regimen through the 96 week visit in Part B.
Part C:
* Participants who meet all of the following inclusion criteria will be eligible for Part C.
* Did not withdraw consent from Part B of Study NCT02565914.
* Completed study drug treatment during Part B of NCT02565914.
* Willing to remain on a stable CF medication (and supplement) regimen through the 96 week visit of Part C.
Query!
Minimum age
12
Years
Query!
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Maximum age
No limit
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Query!
Sex
Both males and females
Query!
Can healthy volunteers participate?
No
Query!
Key exclusion criteria
* History of any comorbidity that, in the opinion of the investigator, might confound the results of the study or pose an additional risk to the subject.
* Pregnant and nursing females.
* Sexually active subjects of reproductive potential who are not willing to follow the contraception requirements.
* History of drug intolerance in the parent study that would pose an additional risk to the subject.
* Participation in an investigational drug trial (including studies investigating VX-661/ivacaftor or lumacaftor/ivacaftor) other than the parent studies of NCT02565914 or other eligible Vertex studies investigating VX-661 in combination with ivacaftor, or use of a commercially available CFTR modulator.
Other protocol defined Inclusion/Exclusion criteria may apply.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 3
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/08/2015
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
5/12/2022
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Sample size
Target
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Accrual to date
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Final
1131
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Recruitment in Australia
Recruitment state(s)
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- Chermside
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- Melbourne
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- South Brisbane
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- Westmead
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- Chermside
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- Melbourne
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- South Brisbane
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- Westmead
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Funding & Sponsors
Primary sponsor type
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Name
Vertex Pharmaceuticals Incorporated
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Summary
Brief summary
This is a Phase 3, multicenter, open-label, 3-part rollover study in subjects with CF who are homozygous or heterozygous for the F508del-CFTR mutation and who participated in studies VX13-661-103 (Study 103, NCT02070744), VX14-661-106 (Study 106, NCT02347657), VX14-661-107 (Study 107, NCT02516410), VX14-661-108 (Study 108, NCT02392234), VX14-661-109 (Study 109, NCT02412111), VX14-661-111 (Study 111, NCT02508207), VX15-661-112 (NCT02730208), and VX16-661-114 (NCT03150719). The study is designed to evaluate the safety and efficacy of long-term treatment of VX-661 in combination with ivacaftor.
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Trial website
https://clinicaltrials.gov/study/NCT02565914
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Trial related presentations / publications
Flume PA, Biner RF, Downey DG, Brown C, Jain M, Fischer R, De Boeck K, Sawicki GS, Chang P, Paz-Diaz H, Rubin JL, Yang Y, Hu X, Pasta DJ, Millar SJ, Campbell D, Wang X, Ahluwalia N, Owen CA, Wainwright CE; VX14-661-110 study group. Long-term safety and efficacy of tezacaftor-ivacaftor in individuals with cystic fibrosis aged 12 years or older who are homozygous or heterozygous for Phe508del CFTR (EXTEND): an open-label extension study. Lancet Respir Med. 2021 Jul;9(7):733-746. doi: 10.1016/S2213-2600(20)30510-5. Epub 2021 Feb 10. Erratum In: Lancet Respir Med. 2021 Apr;9(4):e38. doi: 10.1016/S2213-2600(21)00122-3.
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Public notes
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Contacts
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No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Type
Other Details
Attachment
Study protocol
https://cdn.clinicaltrials.gov/large-docs/14/NCT02565914/Prot_000.pdf
Statistical analysis plan
https://cdn.clinicaltrials.gov/large-docs/14/NCT02565914/SAP_001.pdf
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results are available at
https://clinicaltrials.gov/study/NCT02565914
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