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Neurological & Neuromuscular

Canavan Disease Clinical Trials and Treatments

Also called Canavan-Van Bogaert-Bertrand disease, aspartoacylase deficiency, spongy degeneration

Canavan disease (also called Canavan-Van Bogaert-Bertrand disease) is a rare autosomal recessive leukodystrophy caused by mutations in the ASPA gene encoding aspartoacylase, a key enzyme in brain metabolism. This enzyme normally catalyzes hydrolysis of N-acetylaspartate (NAA) to aspartate and acetate, both critical metabolites in the central nervous system.

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About Canavan Disease

Canavan disease (also called Canavan-Van Bogaert-Bertrand disease) is a rare autosomal recessive leukodystrophy caused by mutations in the ASPA gene encoding aspartoacylase, a key enzyme in brain metabolism. This enzyme normally catalyzes hydrolysis of N-acetylaspartate (NAA) to aspartate and acetate, both critical metabolites in the central nervous system. Loss of enzymatic activity causes massive accumulation of NAA in the brain, with characteristic spongy degeneration of white matter defined by intramyelinic edema and vacuolation.

Patients present in infancy with hypotonia (decreased muscle tone) and developmental delay, typically manifesting by 3-6 months of age with failure to meet developmental milestones. Progressive spasticity develops during the second year of life affecting lower more than upper limbs. Seizures occur in most patients. Visual and hearing loss develop as disease progresses.

Most patients become vegetative (profoundly disabled with minimal awareness) by late childhood. MRI characteristically shows white matter changes with a spongy appearance. The severe infantile form presents by 6 months with rapid progression, while rare juvenile variants present later with slower progression but still lead to significant neurological disability.

Common Symptoms of Canavan Disease

Recognizing the signs of Canavan Disease early can lead to faster diagnosis and better outcomes. Symptoms may vary in severity from person to person. If you or a loved one are experiencing any of the following, consider speaking with a specialist.

  • Developmental delay and hypotonia in infancy
  • Loss of developmental milestones
  • Spasticity developing in second year of life
  • Seizures
  • Visual and hearing loss
  • Progressive quadriplegia

Who Canavan Disease Affects

Canavan disease typically manifests by age 3-6 months with developmental delay and hypotonia. The condition affects males and females equally. It shows notably higher prevalence in the Ashkenazi Jewish population (approximately 1 in 6,400 to 1 in 13,500) compared to general population (approximately 1 in 100,000), though cases occur across all ethnicities.

Autosomal recessive inheritance means both parents must carry mutations, and approximately 25% of offspring in carrier couples will be affected.

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Help Paying for Canavan Disease Treatment

Charity funds and drugmaker programs for Canavan Disease, checked at the source. Pick your insurance to see what fits.

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Charity funds
  • From a charity · United Leukodystrophy Foundation
    Hultman Memorial Fund fund
    Open

    Pays for: Expenses directly related to the affected family member, based on demonstrated hardship (per 12 months), up to $500 per year.

    The foundation says: “Applications are reviewed on a rolling basis as funding is available.”
Status as each foundation showed it on September 28, 2026.

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Side Effect Explorer

Real-world side effect reports from the FDA Adverse Event Reporting System (FAERS). Includes both FDA-approved drugs and investigational therapies from active clinical trials. Click any drug to see what patients reported.

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Genetic Testing

Genetic testing can confirm a diagnosis, guide treatment decisions, and identify family members who may be at risk.

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Trusted Canavan Disease Resources

Reputable organizations and medical references for learning more about Canavan Disease, including disease registries, foundation resources, and clinical guidelines.

Active Clinical Trials for Canavan Disease

Use this Canavan Disease clinical trial finder to see the 2 studies recruiting patients in the United States and worldwide, with eligibility criteria in plain English. These studies play a critical role in advancing care for neurological & neuromuscular conditions and may offer access to treatments not yet widely available. Each trial below is sourced directly from ClinicalTrials.gov, with eligibility criteria translated into plain English to help patients and caregivers evaluate whether a study may be a fit.

TrialsSite mapPipeline timeline

Note: Trial recruitment statuses on ClinicalTrials.gov may not immediately reflect recent FDA decisions, sponsor announcements, or enrollment changes. Always confirm a trial's current status directly with the study coordinator before making plans.

2 active trials worldwide
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RECRUITINGPHASE1, PHASE2Updated a few months agoNCT04998396

A Study of AAV9 Gene Therapy in Participants With Canavan Disease (CANaspire Clinical Trial)

Intervention: AAV9 BBP-812

Sponsor: Aspa Therapeutics

The main objective of this trial is to evaluate the safety, tolerability, and pharmacodynamic activity of BBP-812, an investigational AAV9-based gene therapy, in pediatric participants with Canavan disease.

Ages up to 30 Months4 locations
Started Sep 2021Updated 5 months agoEst. Oct 2026 (9 days)
RECRUITINGNo updates in a whileNCT03047369

The Myelin Disorders Biorepository Project

Sponsor: Children's Hospital of Philadelphia · Biogen + 7 more

The Myelin Disorders Biorepository Project (MDBP) seeks to collect and analyze clinical data and biological samples from leukodystrophy patients worldwide to support ongoing and future research projects. The MDBP is one of the world's largest leukodystrophy biorepositories, havin...

Ages not specified23 locations
Started Dec 2016Updated 11 months agoEst. Dec 2030 (~4y 2m)
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Active trial locations23 cities in the US
+15 more

Trial Pipeline

Jan 2021 to Oct 2031
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Data from ClinicalTrials.gov, U.S. National Library of Medicine.
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Patient Communities

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Related Neurological & Neuromuscular Conditions

Other rare diseases in the neurological & neuromuscular category. Patients with Canavan Disease may find relevant research, shared treatment pathways, or overlapping clinical trials among these related conditions.

Frequently Asked Questions About Canavan Disease