• Participants who resumed VYKAT XR following a 16-week randomized withdrawal period demonstrated improvements in hyperphagia and behavioral symptoms as early as Week 13, with benefits continuing through 2 years
  • VYKAT XR demonstrated statistically significant and sustained improvements in hyperphagia and Prader-Willi syndrome-related behaviors for up to 3 years compared to real-world data from the PATH for PWS Natural History Study

SAN DIEGO, June 15, 2026 /PRNewswire/ -- Soleno Therapeutics, a Neurocrine Biosciences (NASDAQ:NBIX) company, today announced late-breaking data at ENDO 2026 showing that resuming treatment with VYKAT® XR (diazoxide choline) extended-release tablets for two years after a 16-week randomized withdrawal period was associated with durable improvements in hyperphagia and behavioral symptoms characteristic of Prader-Willi syndrome (PWS).