Why Taysha Gene Therapies (TSHA) Is Up 10.4% After Breakthrough Rett Syndrome Trial Data and FDA Nod - And What's Next

Simply Wall St
  • Taysha Gene Therapies recently announced new supplemental data from its Phase 1/2 REVEAL trial, showing that all participants receiving TSHA-102 for Rett syndrome achieved meaningful gains in functional skills and developmental milestones beyond what is typically observed.
  • These results, together with the FDA’s Breakthrough Therapy designation for TSHA-102 and protocol alignment for pivotal trials, underscore the advancing momentum in regulatory review and recognition of significant functional improvements for patients.
  • We'll explore how the FDA’s Breakthrough Therapy designation for TSHA-102 could influence Taysha Gene Therapies' path to approval and future prospects.

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Taysha Gene Therapies Investment Narrative Recap

To be a Taysha Gene Therapies shareholder, you need to believe in its ability to bring TSHA-102 through pivotal regulatory milestones for Rett syndrome, translating strong early clinical data into a viable commercial therapy. The recent supplemental trial data showing consistent functional gains adds weight to the largest near-term catalyst, regulatory approval, but does not eliminate the key risk of potential delays or surprises as the FDA review moves forward.

Among recent announcements, the awarding of Breakthrough Therapy designation to TSHA-102 by the FDA stands out, directly supporting the regulatory and clinical themes behind this data release. This designation, together with defined pivotal trial protocols, streamlines the pathway to a potential Biologics License Application while reinforcing Taysha’s focus on clinical endpoints most important to regulators and caregivers. The flip side many investors should be aware of is that if regulatory timelines slip or further requirements arise...

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Taysha Gene Therapies' outlook anticipates $88.9 million in revenue and $14.1 million in earnings by 2028. Achieving these targets implies 120.1% annual revenue growth and a $103.4 million increase in earnings from the current -$89.3 million.

Uncover how Taysha Gene Therapies' forecasts yield a $9.42 fair value, a 93% upside to its current price.

Exploring Other Perspectives

TSHA Community Fair Values as at Oct 2025

Simply Wall St Community members estimate TSHA's fair value from US$9.42 to US$28.16 across three analyses. While promising trial outcomes fuel optimism, progress toward regulatory approval remains the central challenge shaping the company's future.

Explore 3 other fair value estimates on Taysha Gene Therapies - why the stock might be worth over 5x more than the current price!

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

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