EXACT Study: Exaluren for Alport Syndrome

This study, called EXACT, is testing a drug called Exaluren for people with Alport Syndrome caused by specific genetic changes (nonsense mutations in COL4A3/4/5 genes). Researchers want to see if Exaluren is safe and effective. Success in this study will be measured by changes in kidney cell damage (podocyte foot process effacement) at 16 and 32 weeks. You may be able to join if you are 12 years or older, have a confirmed diagnosis of X-linked or autosomal recessive Alport Syndrome with a specific genetic mutation, good kidney function (eGFR > 45), and a certain level of protein in your urine (UPCR ≥ 500 mg/g). You also need to be on a stable dose of ACEi/ARB medication for at least 12 weeks. This study is currently recruiting 24 participants.

Study design
This is a randomized, double-blind, placebo-controlled study involving 24 participants. This means some participants will receive Exaluren and others a placebo (an inactive substance) without knowing which they are getting.
What's involved
You would first have a screening period of up to 6 weeks. Then, you would receive daily injections of Exaluren or placebo for 32 weeks. After treatment, there is a 4-week follow-up period.
Compensation
Not stated in the trial record.
Follow-up
Participants will be followed for 4 weeks after their last treatment to check for safety and effectiveness.

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NCT07523581

EXACT Study: A Blinded Study in Patients With Alport Syndrome to Evaluate Exaluren Efficacy and Safety

Recruiting
PHASE2Ages 12+InterventionalTreatment
Eloxx Pharmaceuticals, Inc.
~24 participants
Updated 2026-07-15 on ClinicalTrials.gov
What's tested:Exaluren

At a glance

Recruiting sites
3 of 12 listed sites are recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
The change in the degree of podocyte foot process effacement
Measured over Baseline to Week 16
+1 more outcome measured
Alport Syndrome, X-Linked
Alport Syndrome, Autosomal Recessive
12 sites across 8 states
United Kingdom4
California2
Colorado1
Minnesota1
New Jersey1
Ohio1
Pennsylvania1
Texas1

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Eligibility criteria

Inclusion

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

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
  • The change in the degree of podocyte foot process effacementBaseline to Week 16

    Measured in kidney biopsies by the change in the Filtration Slit Density (FSD)

  • The change in the degree of podocyte foot process effacementBaseline to Week 32

    Measured in kidney biopsies by the change in the Filtration Slit Density (FSD)