Positive Data in Stargardt Disease Pivotal Trial

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Belite Bio is reporting positive topline results from the global Phase 3 DRAGON trial of tinlarebant, marking what the company says is the first successful pivotal trial in patients with Stargardt disease Type 1 (STGD1). The eye disease leads to progressive vision loss, usually beginning in childhood or young adulthood, and currently has no approved treatment worldwide.

The trial enrolled 104 patients with STGD1 and it met the primary efficacy endpoint, demonstrating a statistically significant and clinically meaningful 36% reduction in the growth rate of retinal lesions compared with placebo. “Not only was tinlarebant shown to be efficacious in slowing retinal degeneration, but this is also the first time that an oral treatment was able to demonstrate a clinically meaningful outcome in retinal degenerative disease,” the company says. “With this data, we are advancing our regulatory interactions globally and moving closer to delivering the first approved treatment for people living with Stargardt disease.”

As expected, the company says the overall change in visual acuity was minimal over the period of 24 months in both study groups​, consistent with natural history data. The safety profile remains consistent with what the company previously reported, and tinlarebant was well tolerated with only four treatment-related discontinuations.

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