The Genetics Podcast
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EP 244: Building the first n-of-1 ASO: The new frontier of rare disease with Timothy Yu of Boston Children’s Hospital

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This week on The Genetics Podcast, Patrick is joined by Dr. Timothy Yu, Associate Professor of Pediatrics at Harvard Medical School and Physician/Researcher at Boston Children’s Hospital. They discuss how one child’s hidden genetic mutation led Tim into individualized ASO medicine, what it takes to develop n-of-1 therapies, and how new regulatory frameworks could expand treatment options for children with ultra-rare genetic disease.

Show Notes

0:00 Intro to The Genetics Podcast

01:00 Welcome to Tim

02:05 How uncovering the genetic mutation underlying an ultra-rare disease led Tim into personalized ASO medicine

07:38 Challenges in developing a custom ASO 

12:25 How Tim’s team has scaled individualized ASO therapies to reach more than 50 patients worldwide

16:18 Measuring clinical benefit in n-of-1 therapies with natural history data, wearables, and biomarkers

20:24 How the N-of-1 Collaborative helps rare disease researchers share infrastructure 

24:28 Comparing ASOs, base editing, and prime editing for individualized rare disease therapies

30:06 Finding scalable models for n-of-1 therapies in newborn genetic disease

33:52 The potential impact of the FDA’s Plausible Mechanism framework on bespoke therapies

36:58 Connecting rapid newborn genome sequencing to earlier treatment for rare genetic disease

42:10 Closing remarks

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