New drug aims to slow kidney damage in rare alport syndrome
NCT ID NCT07523581
First seen Jun 27, 2026 · Last updated Jul 16, 2026 · Updated 5 times
Summary
This study tests a drug called exaluren in 24 people aged 12 and older with Alport syndrome caused by specific genetic errors. The drug is given as a daily shot for 32 weeks. Half the group starts exaluren right away, while the other half gets a placebo first and then switches to exaluren. The goal is to see if exaluren can improve kidney health by looking at tiny changes in kidney tissue and protein levels in urine.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 24 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jun 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
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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12 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: * A confirmed diagnosis of X-linked or autosomal recessive Alport Syndrome with a documented nonsense mutation of COL4A5 in a male or nonsense mutation of COL4A3 or COL4A4 (male or female) * eGFR\>45 ml/min/1.73 m2 * Urinary protein based on two spot urine collections \[urine protein/creatinine ratio (UPCR) ≥ 500 mg/g\] * Stable regimen of ACEi/ARB for at least 12 weeks before Day 1 Exclusion Criteria: * History of any organ transplantation * Liver disease characterized by cirrhosis or portal hypertension. Participants with alanine aminotransferase (ALT), aspartate aminotransferase (AST), and/or a total bilirubin 1.5 times the upper limit of normal (ULN) will be excluded * History of dialysis * Acute kidney injury within 4 weeks before screening * Active dizziness
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Genom att skicka in godkänner du våra Användarvillkor
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 study's own enquiry address
This study publishes an address for enquiries. See it below .
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The places running it
12 sites in 2 countries. 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
Show contact details
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Genom att skicka in godkänner du våra Användarvillkor
Locations
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Alder Hey Children's NHS Foundation Trust
NOT_YET_RECRUITINGLiverpool, L12 2AP, United Kingdom
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Cleveland Clinic
NOT_YET_RECRUITINGCleveland, Ohio, 44195, United States
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Denver Nephrologists PC, Colorado Kidney Care PC
RECRUITINGDenver, Colorado, 80220, United States
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Great Ormond Street Hospital
RECRUITINGLondon, WC1N 3JH, United Kingdom
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Hackensack University Medical Center
NOT_YET_RECRUITINGHackensack, New Jersey, 07601, United States
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Renal Associates, P.A.
NOT_YET_RECRUITINGSan Antonio, Texas, 78109, United States
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Royal Free Hospital
RECRUITINGLondon, NW3 2QG, United Kingdom
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Royal Manchester Children's Hospital
NOT_YET_RECRUITINGManchester, M13 9WL, United Kingdom
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Stanford University
NOT_YET_RECRUITINGStanford, California, 94305, United States
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University of California, Los Angeles
NOT_YET_RECRUITINGLos Angeles, California, 90095, United States
Contact Email: •••••@•••••
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University of Minnesota
NOT_YET_RECRUITINGMinneapolis, Minnesota, 55455, United States
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University of Pennsylvania
NOT_YET_RECRUITINGPhiladelphia, Pennsylvania, 19104, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Newborn screening study aims to catch rare diseases at birth
- New drug aims to plug kidney leaks in multiple diseases
- Study links gum health to rare kidney diseases
- Alport patients needed: join a registry to speed up research
- Kidney hope: drug combo may slow alport disease
- Experimental drug targets genetic cause of alport syndrome in tiny pilot