NCT05274269

Brief Summary

This study evaluated the efficacy, pharmacodynamics (PD) and safety of ELX/TEZ/IVA in participants 6 years of age and older with a non-F508del ELX/TEZ/IVA-responsive cystic fibrosis transmembrane conductance regulator gene (CFTR) mutation.

Trial Health

98
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
307

participants targeted

Target at P50-P75 for phase_3

Timeline
Completed

Started May 2022

Shorter than P25 for phase_3

Geographic Reach
15 countries

90 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 1, 2022

Completed
9 days until next milestone

First Posted

Study publicly available on registry

March 10, 2022

Completed
2 months until next milestone

Study Start

First participant enrolled

May 9, 2022

Completed
1.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 5, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 5, 2023

Completed
1.1 years until next milestone

Results Posted

Study results publicly available

August 1, 2024

Completed
Last Updated

August 1, 2024

Status Verified

July 1, 2024

Enrollment Period

1.2 years

First QC Date

March 1, 2022

Results QC Date

July 3, 2024

Last Update Submit

July 31, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Absolute Change in Percent Predicted Forced Expiratory Volume in 1 Second (ppFEV1)

    FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration.

    From Baseline Through Week 24

Secondary Outcomes (6)

  • Absolute Change in Sweat Chloride (SwCl)

    From Baseline Through Week 24

  • Absolute Change in Cystic Fibrosis Questionnaire-Revised (CFQ-R) Respiratory Domain (RD) Score

    From Baseline Through Week 24

  • Absolute Change in Body Mass Index (BMI)

    From Baseline at Week 24

  • Absolute Change in Weight

    From Baseline at Week 24

  • Number of Pulmonary Exacerbations (PEx)

    From Baseline Through Week 24

  • +1 more secondary outcomes

Study Arms (2)

Placebo

PLACEBO COMPARATOR

Participants received placebo matched to ELX/TEZ/IVA FDC in the morning and placebo matched to IVA in the evening for 24 weeks.

Other: Placebo (matched to ELX/TEZ/IVA)Other: Placebo (matched to IVA)

ELX/TEZ/IVA

EXPERIMENTAL

Participants 6 to less than (\<) 12 years of age and weighing \<30 kilogram (kg) at Day 1 received ELX 100 milligram (mg)/TEZ 50 mg /IVA 75 mg as fixed dose combination (FDC) tablets in the morning and IVA as mono tablet in the evening and those weighing more than or equal to (≥) 30 kg at Day 1 received ELX 200 mg/TEZ 100 mg/IVA 150 mg as FDC tablets in the morning and IVA as mono tablet in the evening for 24 weeks. Participants ≥12 years age at Day 1 received ELX 200 mg/TEZ 100 mg/IVA 150 mg as FDC tablets in the morning and IVA as mono tablet in the evening for 24 weeks.

Drug: ELX/TEZ/IVADrug: IVA

Interventions

Fixed-dose combination (FDC) tablets for oral administration.

Also known as: VX-445/VX-661/VX-770, elexacaftor/tezacaftor/ivacaftor
ELX/TEZ/IVA
IVADRUG

Tablet for oral administration.

Also known as: VX-770, ivacaftor
ELX/TEZ/IVA

Placebo matched to ELX/TEZ/IVA for oral administration.

Placebo

Placebo matched to IVA for oral administration.

Placebo

Eligibility Criteria

Age6 Years+
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Forced expiratory volume in 1 second (FEV1) value \>=40% and \<=100% of predicted mean for age, sex, and height

You may not qualify if:

  • History of solid organ or hematological transplantation
  • Clinically significant cirrhosis with or without portal hypertension
  • Lung infection with organisms associated with a more rapid decline in pulmonary status

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (90)

Medizinische Universität Innsbruck

Innsbruck, Austria

Location

Cliniques Universitaires de Bruxelles Hopital Erasme

Brussels, Belgium

Location

Universitair Ziekenhuis Brussel - Campus Jette

Brussels, Belgium

Location

Universitair Ziekenhuis Antwerpen (UZA) - Antwerp University Hospital

Edegem, Belgium

Location

Universitair Ziekenhuis Gent

Ghent, Belgium

Location

Universitaire Ziekenhuizen Leuven - Campus Gasthuisberg

Leuven, Belgium

Location

Cliniques Universitaires Saint-Luc

Woluwe-Saint-Lambert, Belgium

Location

Stollery Children's Hospital

Edmonton, Canada

Location

Centre Hospitalier de l'Universite de Montreal (CHUM) Hotel-Dieu

Montreal, Canada

Location

McGill University Health Centre, Glen Site, Montreal Children's Hospital

Montreal, Canada

Location

The Hospital for Sick Children

Toronto, Canada

Location

British Columbia Children's Hospital

Vancouver, Canada

Location

St. Paul's Hospital

Vancouver, Canada

Location

Klinika Detskych Infekcnich Nemoci

Brno, Czechia

Location

Fakultni nemocnice v Motole

Prague, Czechia

Location

CHU Lyon - Hopital Femme Mere-Enfant

Bron, France

Location

Centre Hospitalier Intercommunal Creteil

Créteil, France

Location

Institut Cœur Poumon, CHU de Lille

Lille, France

Location

CHU Marseille - Hopital Nord

Marseille, France

Location

Hopital Arnaud de Villeneuve

Montpellier, France

Location

Centre Hospitalier Universitaire De Nantes - G. R. Laennec

Nantes, France

Location

Centre Hospitalier Universitaire (CHU) de Nice - Hopital Pasteur

Nice, France

Location

Hopital Cochin

Paris, France

Location

Hopital Necker, Enfants Malades

Paris, France

Location

Hopital Robert Debre

Paris, France

Location

Hopital Haut-Leveque - CRCM Adulte

Pessac, France

Location

Centre Hospitalier Lyon Sud

Pierre-Bénite, France

Location

Centre Hospitalier Universitaire De Reims, Hopital Sebastopol

Reims, France

Location

CHU de Rennes - Hôpital Sud

Rennes, France

Location

Centre de Perharidy

Roscoff, France

Location

CHU de Toulouse - Hopital Larre

Toulouse, France

Location

Hopital Bretonneau

Tours, France

Location

Charite Paediatric Pulmonology Department

Berlin, Germany

Location

Universitaetsklinkum Koeln, CF-Studienzentrum

Cologne, Germany

Location

Friedrich-Alexander University of Erlangen-Nuremberg, University Children's Hospital

Erlangen, Germany

Location

Ruhrlandklinik Westdeutsches Lungenzentrum am Klinikum Essen

Essen, Germany

Location

Johann Wolfgang Goethe University

Frankfurt, Germany

Location

Justus-Liebig-Universität Gießen Zentrum für Kinderheilkunde und Jugendmedizin

Giessen, Germany

Location

Universitätsklinikum Halle (Saale) / Universitätsklinik und Poliklinik für Innere Medizin, Schwerpunkt Pneumologie

Halle, Germany

Location

Hannover Medical School

Hanover, Germany

Location

Medizinische Hochschule Hannover

Hanover, Germany

Location

Universitaetsklinikum Jena, Mukoviszidose-Zentrum

Jena, Germany

Location

Johannes Gutenberg-Universitaet

Mainz, Germany

Location

Dr. von Haunersches Kinderspital

München, Germany

Location

Klinikum Innenstadt, University of Munich

München, Germany

Location

Pneumologisches Studienzentrum Muenchen-West

München, Germany

Location

Klinik fur Kinder- und Jugendmedizin, Universitatsklinikum Munster

Münster, Germany

Location

Klinikum Westbrandenburg (CF)

Potsdam, Germany

Location

Universitätsklinikum Tübingen Klinik für Kinder- und Jugendmedizin

Tübingen, Germany

Location

Universitätsklinikum Ulm, Klinik für Kinder- und Jugendmedizin (CF)

Ulm, Germany

Location

Universitätsklinikum Würzburg

Würzburg, Germany

Location

National Koranyi Institute for TBC and Pulmonology

Budapest, Hungary

Location

Azienda Ospedaliero Universitaria Ospedali Riuniti di Ancona

Ancona, Italy

Location

Azienda Ospedaliero Universitaria Ospedale Pediatrico Meyer

Florence, Italy

Location

IRCCS Istituto Giannina Gaslini-Ospedale Pediatrico

Genova, Italy

Location

Azienda Ospedaliera Universitaria Policlinico G. Martino

Messina, Italy

Location

Fondazione IRCCS Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena

Milan, Italy

Location

Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico

Milan, Italy

Location

Azienda Ospedaliera Universitaria Federico II (Adults)

Naples, Italy

Location

Malattie Apparato Respiratorio 2 - Centro Fibrosi Cistica

Orbassano, Italy

Location

Centro Regionale Fibrosi Cistica, A.O. Ospedale San Carlo

Potenza, Italy

Location

Ospedale Pediatrico Bambino Gesu

Rome, Italy

Location

Azienda Ospedaliera di Verona - Ospedale Civile Maggiore

Verona, Italy

Location

Academisch Medisch Centrum (Academic Medical Centre)

Amsterdam, Netherlands

Location

UMC St. Radboud

Nijmegen, Netherlands

Location

Erasmus Medical Center

Rotterdam, Netherlands

Location

HagaZiekenhuis van den Haag

The Hague, Netherlands

Location

Universitair Medisch Centrum Utrecht

Utrecht, Netherlands

Location

Oslo University Hospital, Department of Paediatric Medicine

Oslo, Norway

Location

Pediatric Hospital Polanki named of Maciej Płażyński

Gdansk, Poland

Location

Institute of Tuberculosis and Lung Diseases

Rabka-Zdrój, Poland

Location

Instytut Matki i Dziecka, Klinika Mukowiscydozy IMiD, Oddział Chorób Płuc SZPZOZ im.Dzieci Warszawy w Dziekanowie Leśnym

Łomianki, Poland

Location

Hospital de Santa Maria

Lisbon, Portugal

Location

Hospital Sao Joao

Porto, Portugal

Location

Hospital de Cruces

Barakaldo, Spain

Location

Hospital Saint Joan de Deu

Barcelona, Spain

Location

Hospital Universitari Vall d Hebron

Barcelona, Spain

Location

Hospital Universitari Vall d´Hebron Servicio de Broncoscopia

Barcelona, Spain

Location

Hospital Universitario de Jerez de la Frontera

Jerez de la Frontera, Spain

Location

Hospital Infantil Universitario Nino Jesus

Madrid, Spain

Location

Hospital Universitario 12 de Octubre

Madrid, Spain

Location

Hospital Universitario Infantil La Paz

Madrid, Spain

Location

Hospital Universitario Ramon y Cajal

Madrid, Spain

Location

Hospital Virgen de la Arrixaca

Murcia, Spain

Location

Corporacio Sanitaria Parc Tauli - Sabadell Hospital Universitari

Sabadell, Spain

Location

Hospital Universitario Virgen del Rocio

Seville, Spain

Location

Hospital Universitario y Politecnico La Fe

Valencia, Spain

Location

Sahlgrenska Universitetssjukhuset

Gothenburg, Sweden

Location

Karolinska Universitetssjukhuset, Huddinge

Stockholm, Sweden

Location

Kinderspital Zuerich

Zurich, Switzerland

Location

MeSH Terms

Conditions

Cystic Fibrosis

Interventions

elexacaftor, ivacaftor, tezacaftor drug combinationivacaftor

Condition Hierarchy (Ancestors)

Pancreatic DiseasesDigestive System DiseasesLung DiseasesRespiratory Tract DiseasesGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesInfant, Newborn, Diseases

Results Point of Contact

Title
Medical Monitor
Organization
Vertex Pharmaceuticals Incorporated

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 1, 2022

First Posted

March 10, 2022

Study Start

May 9, 2022

Primary Completion

July 5, 2023

Study Completion

July 5, 2023

Last Updated

August 1, 2024

Results First Posted

August 1, 2024

Record last verified: 2024-07

Data Sharing

IPD Sharing
Will not share

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

Locations