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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT04183790
Registration number
NCT04183790
Ethics application status
Date submitted
28/11/2019
Date registered
3/12/2019
Titles & IDs
Public title
Evaluation of Long-term Safety and Efficacy of VX-445 Combination Therapy in Subjects With Cystic Fibrosis Who Are 6 Years of Age and Older
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Scientific title
A Phase 3, Open-label Study Evaluating the Long-term Safety and Efficacy of VX-445/TEZ/IVA Combination Therapy in Subjects With Cystic Fibrosis Who Are 6 Years of Age and Older
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Secondary ID [1]
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2019-001827-11
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Secondary ID [2]
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VX19-445-107
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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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0
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Cystic fibrosis
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Respiratory
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0
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Other respiratory disorders / diseases
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Oral and Gastrointestinal
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0
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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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0
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Connective tissue diseases
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Inflammatory and Immune System
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0
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Other inflammatory or immune system disorders
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Intervention/exposure
Study type
Interventional(has expanded access)
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Description of intervention(s) / exposure
Treatment: Drugs - ELX/TEZ/IVA
Treatment: Drugs - IVA
Experimental: Triple Combination Arm - Subjects will receive ELX/TEZ/IVA TC in the morning and IVA as mono tablet in the evening.
Treatment: Drugs: ELX/TEZ/IVA
Fixed-dose combination (FDC) tablet for oral administration
Treatment: Drugs: IVA
Mono 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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Safety and tolerability as assessed by adverse events (AEs) and serious adverse events (SAEs)
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Assessment method [1]
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Timepoint [1]
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From Baseline up to Week 196
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Secondary outcome [1]
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Absolute change in percent predicted forced expiratory volume in 1 second (ppFEV1)
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Assessment method [1]
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Timepoint [1]
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From Baseline up to Week 192
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Secondary outcome [2]
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Absolute change in sweat chloride (SwCl)
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Assessment method [2]
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Timepoint [2]
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From Baseline up to Week 192
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Secondary outcome [3]
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Absolute change in Cystic Fibrosis Questionnaire-Revised (CFQ-R) respiratory domain score
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Assessment method [3]
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Timepoint [3]
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From Baseline up to Week 192
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Secondary outcome [4]
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Absolute change in body mass index (BMI)
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Assessment method [4]
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Timepoint [4]
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From Baseline up to Week 192
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Secondary outcome [5]
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Absolute change in BMI-for-age z-score
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Assessment method [5]
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Timepoint [5]
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From Baseline up to Week 192
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Secondary outcome [6]
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Number of pulmonary exacerbations (PEx)
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Assessment method [6]
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Timepoint [6]
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From Baseline up to Week 192
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Secondary outcome [7]
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Number of CF-related hospitalizations
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Assessment method [7]
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Timepoint [7]
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From Baseline up to Week 192
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Secondary outcome [8]
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Absolute change in lung clearance index 2.5 (LCI 2.5)
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Assessment method [8]
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Timepoint [8]
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From Baseline up to Week 192
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Secondary outcome [9]
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Absolute change in weight
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Assessment method [9]
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Timepoint [9]
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From Baseline up to Week 192
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Secondary outcome [10]
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Absolute change in weight-for-age z-score
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Assessment method [10]
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Timepoint [10]
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From Baseline up to Week 192
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Secondary outcome [11]
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Absolute change in height
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Assessment method [11]
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Timepoint [11]
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From Baseline up to Week 192
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Secondary outcome [12]
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Absolute change in height-for-age z-score
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Assessment method [12]
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Timepoint [12]
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From Baseline up to Week 192
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Eligibility
Key inclusion criteria
Key
* Completed study drug treatment in parent study (VX18-445-106 Part B, NCT03691779), or had study drug interruption(s) in parent study but completed study visits up to the last scheduled visit of the Treatment Period in the parent study
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Minimum age
6
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* History of study drug intolerance in parent study
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
17/02/2020
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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
24/02/2024
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Sample size
Target
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Accrual to date
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Final
64
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Recruitment in Australia
Recruitment state(s)
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Recruitment hospital [1]
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Queensland Children's Hospital - South Brisbane
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Recruitment hospital [2]
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The Children's Hospital at Westmead - Westmead
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Recruitment postcode(s) [1]
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- South Brisbane
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Recruitment postcode(s) [2]
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- Westmead
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Recruitment outside Australia
Country [1]
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United States of America
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State/province [1]
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California
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Country [2]
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United States of America
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State/province [2]
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Colorado
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Country [3]
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United States of America
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State/province [3]
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Illinois
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Country [4]
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United States of America
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State/province [4]
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Massachusetts
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Country [5]
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United States of America
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State/province [5]
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Minnesota
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Country [6]
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United States of America
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State/province [6]
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Missouri
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Country [7]
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United States of America
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State/province [7]
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New York
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Country [8]
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United States of America
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State/province [8]
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North Carolina
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Country [9]
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United States of America
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State/province [9]
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Ohio
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Country [10]
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United States of America
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State/province [10]
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Oregon
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Country [11]
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United States of America
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State/province [11]
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Texas
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Country [12]
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United States of America
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State/province [12]
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Washington
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Country [13]
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Canada
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State/province [13]
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Toronto
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Country [14]
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Canada
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State/province [14]
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Vancouver
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Country [15]
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Ireland
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State/province [15]
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Dublin
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Country [16]
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United Kingdom
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State/province [16]
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Birmingham
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Country [17]
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United Kingdom
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State/province [17]
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London
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Vertex Pharmaceuticals Incorporated
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
This study will evaluate the long-term safety, tolerability, efficacy, and pharmacodynamics of elexacaftor (ELX, VX-445) in triple combination (TC) with tezacaftor (TEZ) and ivacaftor (IVA) in subjects with cystic fibrosis (CF).
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Trial website
https://clinicaltrials.gov/study/NCT04183790
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Trial related presentations / publications
Southern KW, Murphy J, Sinha IP, Nevitt SJ. Corrector therapies (with or without potentiators) for people with cystic fibrosis with class II CFTR gene variants (most commonly F508del). Cochrane Database Syst Rev. 2020 Dec 17;12(12):CD010966. doi: 10.1002/14651858.CD010966.pub3.
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
Details on Vertex data sharing criteria and process for requesting access can be found at: https://www.vrtx.com/independent research/clinical-trial-data-sharing
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT04183790