On Rare

“We just thought we were clumsy”. Katie and Allie are living with late-onset Tay-Sachs disease


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Katie and Allie’s story began in childhood with unexplained clumsiness and subtle symptoms that intensified over time. After years of searching for answers, Katie was diagnosed with late-onset Tay-Sachs (LOTS), a rare neurodegenerative disease. Further testing confirmed her twin sister Allie’s diagnosis as well. Despite facing daily challenges ranging from mobility issues to emotional strain, the sisters have become passionate advocates, raising over $1 million for research and awareness. With humor, grit, and the support of their family—especially their powerhouse mom—they continue to live fully and inspire the rare disease community.

In this moving episode of On Rare, David Rintell, Head of Patient Advocacy at BridgeBio, and Mandy Rohrig, Senior Director of Patient Advocacy at BridgeBio Gene Therapy, speak with Katie and Allie, who share their experience with late-onset Tay-Sachs. The episode explores how Tay-Sachs, typically diagnosed in childhood, can present in adulthood, the emotional toll of navigating a progressive rare disease, and the resilience of a close-knit sibling duo who’ve turned advocacy into action.

 

Diana Jussila, Director of Family Services at the National Tay-Sachs & Allied Diseases Association (NTSAD), provides essential insights into late-onset Tay-Sachs disease, a rare, progressive, neurodegenerative condition caused by mutations in the HEXA gene leading to deficiency of the Hex A enzyme. Without this enzyme, toxic substances accumulate in the brain and spinal cord, resulting in symptoms like muscle weakness, balance issues, speech difficulties, and psychiatric challenges. With no approved treatments and only supportive care available, community connection, advocacy, and ongoing research are vital lifelines for those living with late-onset Tay-Sachs disease.

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On RareBy BridgeBio Pharma

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