From the abstract: "Several clinical trials are in progress now that were motivated by this research."
McBride SM, Holloway SL, Jongens TA. Using Drosophila as a tool to identify Pharmacological Therapies for Fragile X Syndrome. Drug Discov Today Technol. 2012 Sep 24;10(1):e129-e136. PMID: 23730322.
Related blog posts include this one.