Lumacaftor/Ivacaftor Combination Therapy in Subjects With CF Who Have an A455E CFTR Mutation
A Phase 2, Randomized, Double-Blind, Placebo-Controlled, Crossover Study to Evaluate the Efficacy of Lumacaftor/Ivacaftor Combination Therapy in Subjects With Cystic Fibrosis Who Have an A455E-CFTR Mutation
2 other identifiers
interventional
20
1 country
2
Brief Summary
This is a Phase 2, randomized, double-blind, placebo-controlled, multicenter, crossover study that will evaluate the efficacy of LUM/IVA in subjects with CF 12 years of age and older who have at least one A455E mutation.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_2
Started Jan 2017
Shorter than P25 for phase_2
2 active sites
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
Study Start
First participant enrolled
January 31, 2017
CompletedFirst Submitted
Initial submission to the registry
February 9, 2017
CompletedFirst Posted
Study publicly available on registry
February 23, 2017
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 6, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
October 4, 2017
CompletedResults Posted
Study results publicly available
October 2, 2018
CompletedOctober 2, 2018
September 1, 2018
7 months
February 9, 2017
September 6, 2018
September 6, 2018
Conditions
Outcome Measures
Primary Outcomes (1)
Absolute Change From Study Baseline in Percent Predicted Forced Expiratory Volume in 1 Second (ppFEV1) Through Week 8
FEV1 is the volume of air that can forcibly be blown out in one second, after full inspiration.
Study Baseline, Through Week 8
Study Arms (2)
Treatment Sequence 1
EXPERIMENTALLUM/IVA in Treatment Period 1; washout; placebo in Treatment Period 2
Treatment Sequence 2
EXPERIMENTALPlacebo in Treatment Period 1; washout; LUM/IVA in Treatment Period 2
Interventions
Eligibility Criteria
You may qualify if:
- Male or female with confirmed diagnosis of CF
- All subjects must have an A455E mutation on at least 1 CFTR allele; no more than 10 subjects may have an F508del mutation on 1 CFTR allele.
- Forced expiratory volume in one second (FEV1) ≥30% of predicted and ≤90% of predicted at the Screening Visit, based on the Global Lung Function Initiative (GLI)-2012 multi ethnic all-age reference equations.
- Stable CF disease as judged by the investigator.
- Willing to remain on a stable medication regimen for CF from 4 weeks before Day 1 through the Follow up Visit.
You may not qualify if:
- History of any comorbidity reviewed at the Screening Visit that, in the opinion of the investigator, might confound the results of the study or pose an additional risk in administering study drug to the subject.
- A G551D, G1244E, G1349D, G178R, G551S, S1251N, S1255P, S549N, S549R, or R117H mutation on at least one CFTR allele.
- Pregnant or breastfeeding.
- Any abnormal laboratory values at the Screening Visit.
- History of cataract/lens opacity, or evidence of cataract/lens opacity determined to be clinically significant by the ophthalmologist or optometrist during the ophthalmologic examination at the Screening Visit.
- Use of strong inhibitors or strong inducers of CYP3A, including consumption of certain herbal medications and certain fruit and fruit juices, within 14 days before Day 1
- Sexually active subjects of reproductive potential who are not willing to follow the contraception requirements
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
University Medical Center, Utrecht, Department of Pulmonology and Tuberculosis
Heidelberglaan, Netherlands
HagaZiekenhuis
The Hague, Netherlands
Related Publications (1)
Berkers G, van der Meer R, Heijerman H, Beekman JM, Boj SF, Vries RGJ, van Mourik P, Doyle JR, Audhya P, Yuan ZJ, Kinnman N, van der Ent CK. Lumacaftor/ivacaftor in people with cystic fibrosis with an A455E-CFTR mutation. J Cyst Fibros. 2021 Sep;20(5):761-767. doi: 10.1016/j.jcf.2020.11.007. Epub 2020 Nov 26.
PMID: 33249003DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Medical Monitor
- Organization
- Vertex Pharmaceuticals Incorporated
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 9, 2017
First Posted
February 23, 2017
Study Start
January 31, 2017
Primary Completion
September 6, 2017
Study Completion
October 4, 2017
Last Updated
October 2, 2018
Results First Posted
October 2, 2018
Record last verified: 2018-09