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PubMed This is a summary of 9 peer-reviewed journal articles Updated
Pediatric Neurology

Managing Symptoms and Supportive Care

At a Glance

While there is no cure for Canavan disease, comprehensive supportive care significantly improves a child's quality of life. Management focuses on controlling seizures with medication, managing muscle tone through physical therapy, and preventing aspiration using swallow studies or a G-tube.

While there is currently no cure for Canavan disease, there is a great deal that can be done to support your child’s comfort and well-being [1]. Supportive care is not just about medical treatments; it is about building a comprehensive “circle of care” designed to maximize your child’s quality of life and minimize distress [1][2].

Managing Neurological Symptoms

Because Canavan disease affects the brain’s signals, managing neurological symptoms is a primary focus of care.

Seizure Control

Approximately one-third of children with Canavan disease may experience seizures [3]. These are often manageable with standard medications.

  • Medication Options: Doctors prescribe antiepileptic drugs (AEDs) to help stabilize brain activity. Specific medications like levetiracetam (Keppra), phenobarbital, and clobazam are commonly used to manage seizures in pediatric leukodystrophies [4].
  • Monitoring: Regular check-ups with a pediatric neurologist are essential to adjust dosages as your child grows and to ensure the seizures are well-controlled [4].

Managing Muscle Tone and Spasticity

In the early stages, children often have low muscle tone (hypotonia). Over time, this may shift toward stiffness or spasticity [4].

  • Physical Therapy (PT): PT is a cornerstone of care. It focuses on gentle stretching to prevent muscle tightness (contractures) and finding the best positioning to support your child’s head and body [2][5].
  • Medical Interventions: When stretching isn’t enough, doctors may prescribe muscle relaxants like baclofen (oral or via an intrathecal pump) or use localized Botox injections to relieve debilitating tightness in specific muscle groups and improve comfort.

Respiratory Support

Because of low muscle tone and difficulty swallowing, children are at high risk of aspiration (inhaling food, liquid, or saliva into the lungs), which can lead to pneumonia [6].

  • Airway Clearance: Working with a pediatric pulmonologist or respiratory therapist is crucial. They can provide tools like a suction machine to clear secretions from the mouth and throat, and teach you chest physical therapy to keep the lungs clear.

Nutritional and Feeding Support

As motor skills decline, the muscles used for chewing and swallowing may weaken (dysphagia). Ensuring your child is safe while eating and getting enough nutrition is vital [6].

  • Swallow Studies: Specialized tests, such as a Fiberoptic Endoscopic Evaluation of Swallowing (FEES), allow doctors to watch how your child swallows in real-time [7]. This helps identify “silent aspiration,” where food or liquid enters the lungs without causing a cough [7][8].
  • G-Tubes: If feeding becomes unsafe or exhausting for your child, a gastrostomy tube (G-tube) may be recommended. This is a small tube placed into the stomach that ensures your child receives adequate hydration, nutrition, and medications without the risk of choking [6].

The Multidisciplinary Care Team

Managing Canavan disease requires a team approach. Your child’s care circle may include:

  • Pediatric Neurologist: To manage seizures and monitor brain health [4].
  • Metabolic Specialist/Geneticist: To track the biochemical markers of the disease [9].
  • Gastroenterologist/Dietitian: To ensure safe feeding and optimal nutrition [6].
  • Pulmonologist/Respiratory Therapist: To protect the lungs and support breathing.
  • Therapists (PT/OT/Speech): To support physical comfort, positioning, and communication [2].
  • Palliative Care Team: This team focuses specifically on quality of life, comfort, and providing emotional support for the entire family [1].

Focusing on these supportive steps allows you to address your child’s needs proactively, ensuring they remain as comfortable and engaged as possible throughout their journey.

Common questions in this guide

How are seizures managed in children with Canavan disease?
Seizures occur in about one-third of children with Canavan disease. They are typically managed using standard antiepileptic medications such as levetiracetam, phenobarbital, or clobazam, closely monitored by a pediatric neurologist.
Why is physical therapy important for Canavan disease?
Physical therapy focuses on gentle stretching to prevent muscle tightness and contractures. It also helps caregivers find the safest and most comfortable ways to position the child's head and body as their muscle tone changes.
Why might my child need a swallow study?
A swallow study allows doctors to observe how your child swallows in real-time. It is crucial for identifying silent aspiration, a condition where food or liquid enters the lungs without causing a cough, which can lead to severe pneumonia.
When should we consider a G-tube for a child with Canavan disease?
A G-tube is often recommended when feeding by mouth becomes unsafe or too exhausting for the child. It ensures they receive adequate hydration, nutrition, and medications directly into the stomach without the risk of choking or aspiration.
What specialists should be on our Canavan disease care team?
Your child's care team should ideally include a pediatric neurologist, a metabolic geneticist, a gastroenterologist, a pulmonologist, and physical, occupational, and speech therapists. A palliative care team is also vital for supporting overall quality of life and comfort.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.What is the plan for monitoring my child's swallowing safety, and should we schedule a formal swallow study (like FEES)?
  2. 2.If my child develops seizures, what is your preferred first-line medication?
  3. 3.Can you recommend a physical therapist who has experience with leukodystrophies and macrocephaly-specific positioning?
  4. 4.At what point should we discuss the possibility of a gastrostomy tube (G-tube) to support my child's growth and hydration?
  5. 5.Can we get a referral to a pediatric pulmonologist to discuss a respiratory care plan and obtain a suction machine?

Questions For You

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References

References (9)
  1. 1

    Pathophysiology and Treatment of Canavan Disease.

    Pleasure D, Guo F, Chechneva O, et al.

    Neurochemical research 2020; (45(3)):561-565 doi:10.1007/s11064-018-2693-6.

    PMID: 30535831
  2. 2

    Feasibility, Acceptability, and Reliability of Remote Motor Assessment in Children With Canavan Disease.

    Kiefer M, Khan A, Leiro B, et al.

    Pediatric neurology 2025; (164()):129-136 doi:10.1016/j.pediatrneurol.2025.01.006.

    PMID: 39892021
  3. 3

    Epilepsy in children with leukodystrophies.

    Zhang J, Ban T, Zhou L, et al.

    Journal of neurology 2020; (267(9)):2612-2618 doi:10.1007/s00415-020-09889-y.

    PMID: 32388833
  4. 4

    An unusual case of a toddler with Canavan disease with frequent intractable seizures: A case report and review of the literature.

    Irilouzadian R, Goudarzi A, Hesami H, et al.

    SAGE open medical case reports 2023; (11()):2050313X231160885 doi:10.1177/2050313X231160885.

    PMID: 36968992
  5. 5

    Reliability of the Telemedicine Application of the Gross Motor Function Measure-88 in Patients With Leukodystrophy.

    Gavazzi F, Adang L, Waldman A, et al.

    Pediatric neurology 2021; (125()):34-39 doi:10.1016/j.pediatrneurol.2021.09.012.

    PMID: 34624609
  6. 6

    The natural history of Canavan disease: 23 new cases and comparison with patients from literature.

    Bley A, Denecke J, Kohlschütter A, et al.

    Orphanet journal of rare diseases 2021; (16(1)):227 doi:10.1186/s13023-020-01659-3.

    PMID: 34011350
  7. 7

    Fiberoptic Endoscopic Evaluation of Swallowing Across the Age Spectrum.

    Miller CK, Schroeder JW, Langmore S

    American journal of speech-language pathology 2020; (29(2S)):967-978 doi:10.1044/2019_AJSLP-19-00072.

    PMID: 32650653
  8. 8

    [Introduction of fiberoptic endoscopic evaluation of swallowing and increase of the range of indications in our department].

    Ambrus A, Rovó L, Sztanó B, et al.

    Orvosi hetilap 2023; (164(46)):1817-1823 doi:10.1556/650.2023.32912.

    PMID: 37980634
  9. 9

    Cytotoxic edema and diffusion restriction as an early pathoradiologic marker in canavan disease: case report and review of the literature.

    Merrill ST, Nelson GR, Longo N, Bonkowsky JL

    Orphanet journal of rare diseases 2016; (11(1)):169 doi:10.1186/s13023-016-0549-1.

    PMID: 27927234

This page provides educational information on symptom management and supportive care for Canavan disease. Always consult your child's pediatric neurologist and multidisciplinary care team for personalized medical advice.

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