Personalized drug trial offers hope for cystic fibrosis patients with rare gene mutations
NCT ID NCT03587961
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-phase trial is testing whether certain cystic fibrosis drugs, called CFTR modulators, can help people with rare gene mutations that are not currently approved for these medications. The study will enroll 20 participants aged 6 and older and measure changes in lung function. The goal is to see if personalized treatment can improve breathing in patients who have few other options.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Symdeko (also known as Orkambi, Ivacaftor)
- What this could lead to
- If it works, this could expand treatment options for people with cystic fibrosis who have rare mutations not currently covered by approved drugs.
- What could go wrong
- This is a very early, small trial with only 20 participants, so results may not apply widely. The drugs are used off-label and may not work for all mutations, and there are risks like side effects or no improvement in lung function.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
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About 20 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2019
- Expected to finish
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Sep 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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6 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Diagnosis of CF * Age ≥6 y.o. * CFTR mutation that may respond to approved correctors/potentiators in the opinion of the study investigators * Informed Consent/Assent * Stable CF pulmonary regimen Exclusion Criteria: * Exacerbation requiring antibiotic or steroids for \>28 days before trial entry * Ongoing participation in a CFTR modulator study * Active smoking in the past 6 months * History of solid organ transplant * Any condition which precludes the use of CFTR modulators: e.g. advanced cirrhosis, End-stage Renal Disease (ESRD) * Any condition that precludes the patient from participation in the opinion of the investigator * Any meds that have significant drug-drug interactions or any other off label use of CFTR modulators
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Alabama at Birmingham
RECRUITINGBirmingham, Alabama, 35233, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can a simple questionnaire reveal why some cystic fibrosis patients skip physiotherapy?
- Cystic fibrosis diabetes: do gut hormones and genes hold the key?
- Can a special lung scan catch cystic fibrosis damage earlier than standard tests?
- Can a pill replace the liquid? testing a new form of cystic fibrosis drug
- Triple therapy under the microscope: does it transform cystic fibrosis care?