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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/ct2/show/NCT04537793




Registration number
NCT04537793
Ethics application status
Date submitted
28/08/2020
Date registered
3/09/2020
Date last updated
28/06/2023

Titles & IDs
Public title
Evaluation of ELX/TEZ/IVA in Cystic Fibrosis (CF) Subjects 2 Through 5 Years
Scientific title
A Phase 3 Study Evaluating the Safety, Tolerability, and Pharmacokinetics of Elexacaftor/Tezacaftor/Ivacaftor Triple Combination Therapy in Cystic Fibrosis Subjects 2 Through 5 Years of Age
Secondary ID [1] 0 0
2020-002251-38
Secondary ID [2] 0 0
VX20-445-111
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Cystic Fibrosis 0 0
Condition category
Condition code
Human Genetics and Inherited Disorders 0 0 0 0
Cystic fibrosis
Respiratory 0 0 0 0
Other respiratory disorders / diseases
Oral and Gastrointestinal 0 0 0 0
Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
Inflammatory and Immune System 0 0 0 0
Connective tissue diseases
Inflammatory and Immune System 0 0 0 0
Other inflammatory or immune system disorders

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - ELX/TEZ/IVA
Treatment: Drugs - IVA

Experimental: Part A: ELX/TEZ/IVA - Participants weighing greater than or equal to (>=)14 kilograms (kg) at screening received elexacaftor (ELX) 100 milligrams (mg) once daily (qd)/tezacaftor (TEZ) 50 mg qd/ivacaftor (IVA) 75 mg every 12 hours (q12h) in the treatment period for 15 days.

Experimental: Part B: ELX/TEZ/IVA - Participants weighing (>=)14 kg at screening received ELX 100 mg qd/TEZ 50 mg qd/IVA 75 mg q12h. Participants weighing (>=)10 kg to less than (<)14 kg received ELX 80 mg qd/TEZ 40 mg qd/IVA 60 mg once every morning (qAM) and 59.5 mg once every evening (qPM) in the treatment period for 24 weeks.


Treatment: Drugs: ELX/TEZ/IVA
Fixed dose combination granules for oral administration.

Treatment: Drugs: IVA
Granules for oral administration.
Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Part A: Observed Pre-dose Concentration (Ctrough) of ELX,TEZ,IVA, and Relevant Metabolites
Timepoint [1] 0 0
From Day 1 through Day 15
Primary outcome [2] 0 0
Part A: Safety and Tolerability as Assessed by Number of Participants With Treatment- Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
Timepoint [2] 0 0
From Day 1 up to Day 43
Primary outcome [3] 0 0
Part B: Safety and Tolerability as Assessed by Number of Participants With Treatment-Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
Timepoint [3] 0 0
From Day 1 up to Week 28
Secondary outcome [1] 0 0
Part B: Observed Pre-dose Plasma Concentration (Ctrough) of ELX,TEZ,IVA and Relevant Metabolites
Timepoint [1] 0 0
From Day 1 through Week 16
Secondary outcome [2] 0 0
Part B: Absolute Change in Sweat Chloride (SwCl)
Timepoint [2] 0 0
From Baseline through Week 24
Secondary outcome [3] 0 0
Part B: Absolute Change in Lung Clearance Index 2.5 (LCI 2.5)
Timepoint [3] 0 0
From Baseline through Week 24

Eligibility
Key inclusion criteria
Key

- Homozygous for the F508del mutation or heterozygous for F508del and a minimal function
(MF) mutation (F/F or F/MF genotypes)

Key
Minimum age
2 Years
Maximum age
5 Years
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
- Clinically significant cirrhosis with or without portal hypertension

- Lung infection with organisms associated with a more rapid decline in pulmonary status

- Solid organ or hematological transplantation

Other protocol defined Inclusion/Exclusion criteria may apply

Study design
Purpose of the study
Treatment
Allocation to intervention
Non-randomised trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Other
Other design features
Phase
Phase 3
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Completed
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
19/11/2020
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
3/06/2022
Sample size
Target
Accrual to date
Final
83
Recruitment in Australia
Recruitment state(s)
Recruitment hospital [1] 0 0
Telethon Kids Institute - Nedlands
Recruitment hospital [2] 0 0
The Royal Children's Hospital - Parkville, VIC
Recruitment hospital [3] 0 0
Queensland Children's Hospital - South Brisbane
Recruitment postcode(s) [1] 0 0
- Nedlands
Recruitment postcode(s) [2] 0 0
- Parkville, VIC
Recruitment postcode(s) [3] 0 0
- South Brisbane
Recruitment outside Australia
Country [1] 0 0
United States of America
State/province [1] 0 0
Arizona
Country [2] 0 0
United States of America
State/province [2] 0 0
California
Country [3] 0 0
United States of America
State/province [3] 0 0
Colorado
Country [4] 0 0
United States of America
State/province [4] 0 0
Illinois
Country [5] 0 0
United States of America
State/province [5] 0 0
Indiana
Country [6] 0 0
United States of America
State/province [6] 0 0
Massachusetts
Country [7] 0 0
United States of America
State/province [7] 0 0
Minnesota
Country [8] 0 0
United States of America
State/province [8] 0 0
Missouri
Country [9] 0 0
United States of America
State/province [9] 0 0
North Carolina
Country [10] 0 0
United States of America
State/province [10] 0 0
Oregon
Country [11] 0 0
United States of America
State/province [11] 0 0
Pennsylvania
Country [12] 0 0
United States of America
State/province [12] 0 0
Washington
Country [13] 0 0
Canada
State/province [13] 0 0
Toronto
Country [14] 0 0
Canada
State/province [14] 0 0
Vancouver
Country [15] 0 0
Germany
State/province [15] 0 0
Berlin
Country [16] 0 0
Germany
State/province [16] 0 0
Essen
Country [17] 0 0
United Kingdom
State/province [17] 0 0
Liverpool
Country [18] 0 0
United Kingdom
State/province [18] 0 0
London

Funding & Sponsors
Primary sponsor type
Commercial sector/Industry
Name
Vertex Pharmaceuticals Incorporated
Address
Country

Ethics approval
Ethics application status

Summary
Brief summary
This study will evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics and
efficacy of elexacaftor (ELX)/tezacaftor (TEZ)/ivacaftor (IVA) triple combination therapy in
CF subjects 2 through 5 years of age.
Trial website
https://clinicaltrials.gov/ct2/show/NCT04537793
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for scientific queries



Summary Results

For IPD and results data, please see https://clinicaltrials.gov/ct2/show/NCT04537793