Jason Mazzola, 24, with Fragile X, saw significant improvements in focus, confidence, and education after taking zatolmilast, an experimental drug. His mother, Lizzie Mazzola, notes his newfound independence, including working and managing daily tasks. A 2021 study found zatolmilast improved memory and language in 30 adult males with Fragile X, leading to ongoing larger studies to determine FDA approval.