Cystic FibrosisPhase 3NCT05274269
Evaluation of Efficacy and Safety of Elexacaftor/Tezacaftor/Ivacaftor (ELX/TEZ/IVA) in Cystic Fibrosis Subjects Without an F508del Mutation
A Phase 3 study testing ELX/TEZ/IVA and IVA in people with Cystic Fibrosis, run by Vertex Pharmaceuticals Incorporated at 90 sites in 15 countries.
Trial 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. Read more about this study
- Who is it for?
- Ages 6 years and older
- Conditions the study is for
- Cystic Fibrosis
- What is being tested?
- ELX/TEZ/IVA and IVA
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 307 participants
- Where
- 90 sitesin 15 countries
- Study dates
- 9 May 2022to 5 Jul 2023
- Phase
- Phase 3
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 6 years and older
- All sexes
- No healthy volunteers
- Child, Adult, Older adult
Who may be able to join
- Participant has a qualifying ELX/TEZ/IVA-responsive CFTR mutation and does not have an exclusionary CFTR mutation
- Forced expiratory volume in 1 second (FEV1) value >=40% and <=100% of predicted mean for age, sex, and height
Who cannot join
- 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
- Other protocol defined Inclusion/Exclusion criteria may apply.
Trial locations and contacts
90 sites in 15 countries.
90 sites in 15 countries
Germany19 sites
Charite Paediatric Pulmonology Department
Berlin
Universitaetsklinkum Koeln, CF-Studienzentrum
Cologne
Friedrich-Alexander University of Erlangen-Nuremberg, University Children's Hospital
Erlangen
Ruhrlandklinik Westdeutsches Lungenzentrum am Klinikum Essen
Essen
Johann Wolfgang Goethe University
Frankfurt
Justus-Liebig-Universität Gießen Zentrum für Kinderheilkunde und Jugendmedizin
Giessen
Universitätsklinikum Halle (Saale) / Universitätsklinik und Poliklinik für Innere Medizin, Schwerpunkt Pneumologie
Halle
Hannover Medical School
Hanover
Medizinische Hochschule Hannover
Hanover
Universitaetsklinikum Jena, Mukoviszidose-Zentrum
Jena
Johannes Gutenberg-Universitaet
Mainz
Dr. von Haunersches Kinderspital
München
Klinikum Innenstadt, University of Munich
München
Pneumologisches Studienzentrum Muenchen-West
München
Klinik fur Kinder- und Jugendmedizin, Universitatsklinikum Munster
Münster
Klinikum Westbrandenburg (CF)
Potsdam
Universitätsklinikum Tübingen Klinik für Kinder- und Jugendmedizin
Tübingen
Universitätsklinikum Ulm, Klinik für Kinder- und Jugendmedizin (CF)
Ulm
Universitätsklinikum Würzburg
Würzburg
France17 sites
CHU Lyon - Hopital Femme Mere-Enfant
Bron
Centre Hospitalier Intercommunal Creteil
Créteil
Institut Cœur Poumon, CHU de Lille
Lille
CHU Marseille - Hopital Nord
Marseille
Hopital Arnaud de Villeneuve
Montpellier
Centre Hospitalier Universitaire De Nantes - G. R. Laennec
Nantes
Centre Hospitalier Universitaire (CHU) de Nice - Hopital Pasteur
Nice
Hopital Cochin
Paris
Hopital Necker, Enfants Malades
Paris
Hopital Robert Debre
Paris
Hopital Haut-Leveque - CRCM Adulte
Pessac
Centre Hospitalier Lyon Sud
Pierre-Bénite
Centre Hospitalier Universitaire De Reims, Hopital Sebastopol
Reims
CHU de Rennes - Hôpital Sud
Rennes
Centre de Perharidy
Roscoff
CHU de Toulouse - Hopital Larre
Toulouse
Hopital Bretonneau
Tours
Spain13 sites
Hospital de Cruces
Barakaldo
Hospital Saint Joan de Deu
Barcelona
Hospital Universitari Vall d Hebron
Barcelona
Hospital Universitari Vall d´Hebron Servicio de Broncoscopia
Barcelona
Hospital Universitario de Jerez de la Frontera
Jerez de la Frontera
Hospital Infantil Universitario Nino Jesus
Madrid
Hospital Universitario 12 de Octubre
Madrid
Hospital Universitario Infantil La Paz
Madrid
Hospital Universitario Ramon y Cajal
Madrid
Hospital Virgen de la Arrixaca
Murcia
Corporacio Sanitaria Parc Tauli - Sabadell Hospital Universitari
Sabadell
Hospital Universitario Virgen del Rocio
Seville
Hospital Universitario y Politecnico La Fe
Valencia
Italy11 sites
Azienda Ospedaliero Universitaria Ospedali Riuniti di Ancona
Ancona
Azienda Ospedaliero Universitaria Ospedale Pediatrico Meyer
Florence
IRCCS Istituto Giannina Gaslini-Ospedale Pediatrico
Genova
Azienda Ospedaliera Universitaria Policlinico G. Martino
Messina
Fondazione IRCCS Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena
Milan
Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico
Milan
Azienda Ospedaliera Universitaria Federico II (Adults)
Naples
Malattie Apparato Respiratorio 2 - Centro Fibrosi Cistica
Orbassano
Centro Regionale Fibrosi Cistica, A.O. Ospedale San Carlo
Potenza
Ospedale Pediatrico Bambino Gesu
Rome
Azienda Ospedaliera di Verona - Ospedale Civile Maggiore
Verona
Belgium6 sites
Cliniques Universitaires de Bruxelles Hopital Erasme
Brussels
Universitair Ziekenhuis Brussel - Campus Jette
Brussels
Universitair Ziekenhuis Antwerpen (UZA) - Antwerp University Hospital
Edegem
Universitair Ziekenhuis Gent
Ghent
Universitaire Ziekenhuizen Leuven - Campus Gasthuisberg
Leuven
Cliniques Universitaires Saint-Luc
Woluwe-Saint-Lambert
Canada6 sites
Stollery Children's Hospital
Edmonton
Centre Hospitalier de l'Universite de Montreal (CHUM) Hotel-Dieu
Montreal
McGill University Health Centre, Glen Site, Montreal Children's Hospital
Montreal
The Hospital for Sick Children
Toronto
British Columbia Children's Hospital
Vancouver
St. Paul's Hospital
Vancouver
Netherlands5 sites
Academisch Medisch Centrum (Academic Medical Centre)
Amsterdam
UMC St. Radboud
Nijmegen
Erasmus Medical Center
Rotterdam
HagaZiekenhuis van den Haag
The Hague
Universitair Medisch Centrum Utrecht
Utrecht
Poland3 sites
Pediatric Hospital Polanki named of Maciej Płażyński
Gdansk
Instytut Matki i Dziecka, Klinika Mukowiscydozy IMiD, Oddział Chorób Płuc SZPZOZ im.Dzieci Warszawy w Dziekanowie Leśnym
Łomianki
Institute of Tuberculosis and Lung Diseases
Rabka-Zdrój
Czechia2 sites
Klinika Detskych Infekcnich Nemoci
Brno
Fakultni nemocnice v Motole
Prague
Sweden2 sites
Sahlgrenska Universitetssjukhuset
Gothenburg
Karolinska Universitetssjukhuset, Huddinge
Stockholm
About this study
Official title: A Phase 3 Double-blind, Randomized, Placebo-controlled Study Evaluating the Efficacy and Safety of ELX/TEZ/IVA in Cystic Fibrosis Subjects 6 Years of Age and Older With a Non-F508del ELX/TEZ/IVA-responsive CFTR Mutation
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.
- Conditions
- Cystic Fibrosis
- Being tested
- ELX/TEZ/IVA, IVA, Placebo (matched to ELX/TEZ/IVA), Placebo (matched to IVA)
- Medical subject headings
- Cystic Fibrosis
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
ELX/TEZ/IVADrug
Also called VX-445/VX-661/VX-770, elexacaftor/tezacaftor/ivacaftor
Fixed-dose combination (FDC) tablets for oral administration.
IVADrug
Also called VX-770, ivacaftor
Tablet for oral administration.
Placebo (matched to ELX/TEZ/IVA)Other
Placebo matched to ELX/TEZ/IVA for oral administration.
Placebo (matched to IVA)Other
Placebo matched to IVA for oral administration.
| Study group | Role | What they receive |
|---|---|---|
| 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. Receives: 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. Receives: Drug: ELX/TEZ/IVA; Drug: IVA |
What is being measured
The primary outcome is the main question the study is designed to answer.
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.
Measured: From Baseline Through Week 24
Secondary outcomes (6)
Absolute Change in Sweat Chloride (SwCl)
Sweat samples were collected using an approved collection device.
Measured: From Baseline Through Week 24
Absolute Change in Cystic Fibrosis Questionnaire-Revised (CFQ-R) Respiratory Domain (RD) Score
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.
Measured: From Baseline Through Week 24
Absolute Change in Body Mass Index (BMI)
BMI was defined as weight in kilogram (kg) divided by height in square meter (m^2).
Measured: From Baseline at Week 24
Absolute Change in Weight
Measured: From Baseline at Week 24
Number of Pulmonary Exacerbations (PEx)
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.
Measured: From Baseline Through Week 24
Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)
Measured: Day 1 up to Week 28
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted10 Mar 2022
- Study start9 May 2022
- Primary completion5 Jul 2023
- Study completion5 Jul 2023
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Other trials for Cystic FibrosisStudies of the same condition, open and under way.
- More trials run by Vertex Pharmaceuticals IncorporatedThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Quadruple blind
- Who is masked
- Participant, Care provider, Investigator, Outcomes assessor
- Enrolment
- 307 participants (actual)
Sponsor and investigators
- Lead sponsor
- Vertex Pharmaceuticals Incorporated
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05274269
- Sponsor's protocol ID
- VX21-445-124
- Other IDs
- 2021-005320-38
- Status last verified
- Jul 2024
- First submitted
- 1 Mar 2022
- Last updated
- 1 Aug 2024
- Results posted
- Yes, on ClinicalTrials.gov
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- No: 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