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Evaluation of Elexacaftor/Tezacaftor/Ivacaftor (ELX/TEZ/IVA) in Cystic Fibrosis (CF) Participants 12 to Less Than 24 Months of Age

Phase 3
Active, not recruiting
Conditions
Cystic Fibrosis
Interventions
Registration Number
NCT05882357
Lead Sponsor
Vertex Pharmaceuticals Incorporated
Brief Summary

This study will evaluate the pharmacokinetics (PK), safety, tolerability, pharmacodynamics (PD), and efficacy of ELX/TEZ/IVA in CF subjects 12 to less than (\<) 24 months of age.

Detailed Description

Not available

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
70
Inclusion Criteria

Participants who have at least 1 F508del mutation in the CF transmembrane conductance regulator (CFTR) gene or another ELX/TEZ/IVA-responsive CFTR mutation

Key

Exclusion Criteria

History of any illness or any clinical condition that, in the opinion of the investigator, might either confound the results of the study or pose an additional risk in administering study drug(s) to the participant

Other protocol defined Inclusion/Exclusion criteria may apply.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SEQUENTIAL
Arm && Interventions
GroupInterventionDescription
Part AIVAParticipants will receive ELX/TEZ/IVA in the morning and IVA in the evening.
Part BIVAParticipants will receive ELX/TEZ/IVA in the morning and IVA in the evening with the dose(s) to be based on the outcome of Part A.
Part AELX/TEZ/IVAParticipants will receive ELX/TEZ/IVA in the morning and IVA in the evening.
Part BELX/TEZ/IVAParticipants will receive ELX/TEZ/IVA in the morning and IVA in the evening with the dose(s) to be based on the outcome of Part A.
Primary Outcome Measures
NameTimeMethod
Part A: Observed Pre-dose Concentration (Ctrough) of ELX, TEZ, IVA, and their Relevant MetabolitesDay 1 up to Day 15
Part B: Safety and Tolerability as Assessed by Number of Participants with Adverse Events (AEs) and Serious Adverse Events (SAEs)Day 1 up to Week 28
Part A: Safety and Tolerability as Assessed by Number of Participants with Adverse Events (AEs) and Serious Adverse Events (SAEs)Day 1 up to Day 43
Secondary Outcome Measures
NameTimeMethod
Part B: Observed Pre-dose Concentration (Ctrough) of ELX, TEZ, IVA, and their Relevant MetabolitesDay 15 up to Week 16
Part B: Absolute Change in Sweat Chloride (SwCl)From Baseline Through Week 24

Trial Locations

Locations (19)

Telethon Kids Institute

🇦🇺

Nedlands, Australia

The Royal Children's Hospital

🇦🇺

Parkville, Australia

Queensland Children's Hospital

🇦🇺

South Brisbane, Australia

The Children's Hospital at Westmead

🇦🇺

Westmead, Australia

The Hospital for Sick Children

🇨🇦

Toronto, Canada

British Columbia Children's Hospital

🇨🇦

Vancouver, Canada

Juliane Marie Center, Rigshospitalet

🇩🇰

Copenhagen, Denmark

Charite Paediatric Pulmonology Department

🇩🇪

Berlin, Germany

Kinderklinik III, Abt. fur Pneumologie

🇩🇪

Essen, Germany

Medizinische Hochschule Hannover

🇩🇪

Hannover, Germany

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Telethon Kids Institute
🇦🇺Nedlands, Australia
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