• CMT1J

    is caused by  a mutation in the ITPR3 gene

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  • So far,

     it has been found in about 30 people worldwide.

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  • It's an

     autosomal dominant disease

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  • If you have it,

     there's a 50% chance of passing it down to your child.

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    The severity of symptoms is extremely variable,

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    from asymptomatic to life-threatening.

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    Symptoms can start from infancy to adulthood.

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    There is a path to treatment.

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1J Foundation

Our mission is simple:

find and fund a cure for CMT1J.


We are excited to announce the CMT1J research project

More details on the Research Updates tab.


The 1J Foundation is a 501(c)(3) tax-exempt organization (EIN 93-2224114). Contributions are tax-deductible to the extent permitted by law.