New study aims to uncover hidden kidney risks in cystic fibrosis patients
NCT ID NCT06595420
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at why people with cystic fibrosis often develop kidney disease. Researchers will test blood and urine samples for early signs of kidney damage, comparing CF patients with and without frequent hospital stays, as well as people without CF. The goal is to find better ways to predict, detect, and prevent kidney problems in this population.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could lead to better ways to detect and prevent kidney damage in people with cystic fibrosis.
- What could go wrong
- This is an observational study, not a treatment trial. It may not directly change care, and results may not apply to all CF patients.
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.
- Participants
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About 260 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2025
- Expected to finish
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Dec 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.
Who is studied
Participants will be derived from patients with CF with ongoing care at one of the 3 CF Centers (Dartmouth, UAB, UVA).
- Ages
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7 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: 1. Outpatient CF Cohort * Diagnoses of Cystic Fibrosis * Age \> 30 years old * Able to provide informed consent 2. Inpatient CF Cohort * Diagnoses of Cystic Fibrosis * Age \> 7 years old * Able to provide informed consent and assent (where applicable) * 55 PwCF frequently hospitalized for a pulmonary exacerbation (\>1 hospital admission in the prior 12 months) * 55 PwCF sporadically hospitalized for a pulmonary exacerbation (no hospital admissions in the prior 12 months) * Able to provide urine sample independently 3. Healthy Controls * Healthy, as per participant self-report * Age between 30-50 years * Able to provide informed consent Exclusion Criteria: 1. Outpatient CF Cohort * History of any organ transplant * History of immunodeficiency * Previous or current cancer diagnoses * Pregnant or breastfeeding * On chronic dialysis * Non-compliance (demonstrated by \<2 visits during the 12 months before enrollment) 2. Inpatient CF Cohort * The initiation of intravenous antibiotic therapy after hospital admission before obtaining the first blood and urine sample * History of any organ transplant * History of immunodeficiency * Previous or current cancer diagnoses * Pregnant or breastfeeding * On chronic dialysis 3. Healthy Controls * History or current kidney disease, organ transplantation, cancer, or any other chronic illness * Current use of antibiotics * Urinary symptoms or UTI (dysuria, frequency, urgency) * Pregnant women * Menstruating on the study visit day * Blood relatives of PwCF
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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
3 sites. 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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Dartmouth-Hitchcock Geisel School of Medicine at Dartmouth
RECRUITINGLebanon, New Hampshire, 03756, United States
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University of Alabama at Birmingham
RECRUITINGBirmingham, Alabama, 35233, United States
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University of Virginia Children's Hospital
RECRUITINGCharlottesville, Virginia, 22908, United States
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Other studies related to the condition(s) this trial covers.
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- Heart attack delay may signal kidney risk after angioplasty
- ICU kidney injury: does the pattern predict lasting damage?
- Glucose sensor may flag diabetes risk in cystic fibrosis
- Can a kidney ultrasound scan warn of kidney damage after heart bypass surgery?
- Two blood tests may separate real kidney harm from a false alarm