Kidney hope: drug combo may slow alport disease
NCT ID NCT06499948
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This completed Phase 4 trial tested two drugs—dapagliflozin and spironolactone—alone and together in 12 adults with Alport syndrome, a genetic kidney disease. The goal was to see if these drugs could lower protein levels in urine, a key sign of kidney damage. Participants took each drug for 4 weeks, then both together, while continuing standard care. The study aims to find a way to delay kidney failure.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Dapagliflozin and Spironolactone
- What this could lead to
- If successful, this could point toward a new way to slow kidney disease progression in Alport syndrome by lowering protein in the urine.
- What could go wrong
- This is a very small, early-phase trial (12 people) with short treatment periods. Results may not apply to all patients, and the drugs may not show lasting benefit or could cause side effects like high potassium.
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
-
Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
-
12 people
The number who actually took part.
- Started
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Feb 2024
- Finished
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Apr 2026
- 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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18 to 70 years
- 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: * Genetically proven Alport syndrome (AS) - defined as following: * gt;Men having hemizygous pathogenic/likely pathogenic variants involving COL4A5 gene - classified as X-linked AS involving men * gt;Women having heterozygous pathogenic/likely pathogenic variants involving COL4A5 gene - classified as X-linked AS involving women * gt;Both men and women with heterozygous pathogenic/likely pathogenic variants involving COL4A3 or COL4A4 genes - classified as autosomal dominant AS * gt;Both men and women with homozygous pathogenic/likely pathogenic variants involving COL4A3 or COL4A4 genes - classified as autosomal recessive AS * gt;Patients having variants of uncertain significance will be included if the fulfill at least 2 of the following criteria: (1) clinical features suggestive of AS, (2) positive family history suggestive of AS (i.e., at least one grade I relative having the same variant and presenting clinical features suggestive of AS) and (3) kidney biopsy showing the characteristic lesion of AS (i.e., structural defect of the glomerular basement membrane, "basket-wave" appearance of the basement membrane, lamination of the basement membrane) or for thin basement membrane disease (i.e., diffusely thin basement membrane) * Age between 18 and 70 years-old at the time of enrolment * Baseline estimated glomerular filtration rate (eGFR) over 10ml/min/1.73m2 at the time of enrolment * Stable kidney function: variation of eGFR under 25% from baseline in the last 6 weeks before randomization * 24-hours urine albumin-to-creatinine ratio greater than 30 mg/g after adjusting the dose of renin-angiotensin-system inhibitor * Stable renin-angiotensin-system inhibitor dose for at least 2 weeks before randomization Exclusion Criteria: * The need for kidney replacement therapy (i.e., hemodialysis, peritoneal dialysis, and kidney transplant) for more than 4 weeks in the last 12 months before enrollment * Treatment with Spironolactone or Dapagliflozin for more than 14 days in the last 28 days prior to enrollment * History of prior serious adverse event due to Spironolactone or Dapagliflozin * Active neoplasia * Autosomal dominant or recessive polycystic kidney disease * Type I diabetes * Patients with type II diabetes and diabetic nephropathy * Diagnosis of another concomitant distinct glomerulopathy (with the exception of concomitant IgA nephropathy on kidney biopsy) * Pregnancy and breastfeeding * History of solid organ transplant * Immunosuppressive treatment in the last 12 weeks prior to enrollment
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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.
Contacts and locations
Locations
-
Fundeni Clinical Institute
Bucharest, Sector 2, 020021, Romania
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