Breakthrough treatment for Tay-Sachs shows positive results, study finds – The Jerusalem Post

Posted By on August 28, 2021

A UK-based American pharmaceutical firm has had positive results so far in the late-stage trials for its treatment of Tay-Sachs disease, in what could be a major breakthrough for a condition disproportionately affecting Ashkenazi Jews.

So far, the drug, which is taken orally dissolved in water, was tolerated by the child and adult patients, and no serious drug-related side effects were observed.

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Tay-Sachs is a rare inherited condition that impacts an estimated one out of every 200,000-320,000 live births. This is caused by the mutations in the HEXA gene that, ultimately, allows GM2 gangliosides to accumulate to the point of toxicity.

Those who suffer from the disease usually first show symptoms within six months after birth. This infantile form usually results in reduced vision before progressing to seizures and gradual loss of mobility. Typically, the patient will die by the age of four or five. Other, rarer forms exist as well, with the juvenile form developing after the age of five and typically resulting in death at around age 15.

Another, even rarer form is the late-onset adult form. Occurring later in life, the symptoms can theoretically manifest at any time. It progresses at a slower pace than the other forms, and is usually not fatal, though it will cause cognitive and physical deterioration.

Other demographics are affected by Tay-Sachs, too, such as among some French Canadians and Cajuns.

With the exception of the rare late-onset form, there is no real treatment for Tay-Sachs, and is always fatal.

Free screening is also available in the United Kingdom through the National Health Services (NHS).

But IntraBio's trials could be a massive gamechanger for those carrying the Tay-Sachs gene or even suffering from the condition itself, as it is the first drug to show significant potential for application as a treatment.

"This is the first drug to offer hope to the patients and families affected by these devastating diseases," Cure Tay-Sachs Foundation president Rick Karl and Cure Action CEO Dan Lewi said in a joint statement. "There is an urgent need for this effective treatment to be approved and made available for patients in our community before the window of therapeutic opportunity is lost."

The company's findings are set to be published in full next month in a peer-reviewed academic journal. In addition, further trials are also underway.

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Breakthrough treatment for Tay-Sachs shows positive results, study finds - The Jerusalem Post

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