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CFTR Modulator

ELX/TEZ/IVA for Cystic Fibrosis

Phase 3
Waitlist Available
Research Sponsored by Vertex Pharmaceuticals Incorporated
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Completed study drug treatment in parent study (VX18-445-104); or had study drug interruption(s) in parent study but completed study visits up to the last scheduled visit of the Treatment Period in the parent study
Key
Timeline
Screening 3 weeks
Treatment Varies
Follow Up from baseline up to week 100
Awards & highlights

Study Summary

This trial will study the effects of a new drug for cystic fibrosis patients who have one F508del mutation and one other mutation.

Eligible Conditions
  • Cystic Fibrosis

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~from baseline up to week 100
This trial's timeline: 3 weeks for screening, Varies for treatment, and from baseline up to week 100 for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Part A: Safety and Tolerability as Assessed by Number of Participants With Treatment-Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
Secondary outcome measures
Part A: Absolute Change From Parent Study Baseline in BMI Z-score
Part A: Absolute Change From Parent Study Baseline in Body Mass Index (BMI)
Part A: Absolute Change From Parent Study Baseline in Body Weight
+3 more

Side effects data

From 2022 Phase 3 trial • 458 Patients • NCT04043806
25%
Cough
23%
Infective pulmonary exacerbation of cystic fibrosis
20%
Headache
16%
Upper respiratory tract infection
15%
Sputum increased
14%
Pyrexia
13%
Oropharyngeal pain
13%
Nasopharyngitis
11%
Nasal congestion
10%
Fatigue
10%
Viral upper respiratory tract infection
9%
Nausea
9%
Immunisation reaction
9%
Alanine aminotransferase increased
9%
Blood creatine phosphokinase increased
9%
Haemoptysis
8%
Rhinorrhoea
7%
Abdominal pain
7%
Diarrhoea
7%
COVID-19
7%
Sinusitis
7%
Aspartate aminotransferase increased
7%
Back pain
6%
Arthralgia
6%
Dyspnoea
6%
Productive cough
6%
Sinus congestion
6%
Rash
5%
Vomiting
5%
Pain
5%
Myalgia
5%
Respiration abnormal
2%
Pneumonia
1%
Distal intestinal obstruction syndrome
100%
80%
60%
40%
20%
0%
Study treatment Arm
Part A: ELX/TEZ/IVA
Part B: ELX/TEZ/IVA

Trial Design

1Treatment groups
Experimental Treatment
Group I: ELX/TEZ/IVAExperimental Treatment2 Interventions
Part A: Participants received ELX (elexacaftor) 200 milligram (mg) once daily (qd)/TEZ 100 mg qd/IVA 150 mg every 12 hours (q12h) in the treatment period for 96 weeks. Part B: Participants from certain countries participated in Part B and continued to receive ELX 200 mg qd /TEZ 100 mg qd/IVA 150 mg q12h in the treatment period for 48 weeks.
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
ELX/TEZ/IVA
2019
Completed Phase 3
~3370
IVA
2018
Completed Phase 3
~5230

Find a Location

Who is running the clinical trial?

Vertex Pharmaceuticals IncorporatedLead Sponsor
243 Previous Clinical Trials
32,136 Total Patients Enrolled
126 Trials studying Cystic Fibrosis
17,498 Patients Enrolled for Cystic Fibrosis

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

What are the conditions that ELX/TEZ/IVA is used to treat?

"ELX/TEZ/IVA is a common treatment for patients with one copy of the f508del mutation in the cftr gene. However, this medication can also be used to help people with cystic fibrosis who have either two copies of the f508del mutation or who carry an ivacaftor-responsive cftr mutation."

Answered by AI

Are there other examples in the medical literature of research using ELX/TEZ/IVA?

"ELX/TEZ/IVA was first studied in 2015 at NCT02565914. As of now, there are a combined total of 85 completed and live trials. A majority of these 22 active studies are based in Houston, Texas."

Answered by AI

Has the Food and Drug Administration cleared ELX/TEZ/IVA for use?

"ELX/TEZ/IVA Phase 3 trial data suggests that this medication is safe and effective."

Answered by AI

Will this be the first time that this particular type of trial is conducted?

"Vertex Pharmaceuticals Incorporated conducted the first clinical trial for ELX/TEZ/IVA in 2015. The study had 1044 participants and resulted in the drug receiving Phase 3 approval. In total, there are currently 22 trials underway across 110 cities and 23 countries."

Answered by AI
~47 spots leftby Apr 2025