Empagliflozin Repurposing for Lafora Disease: A Pilot Clinical Trial and Preclinical Investigation of Novel Therapeutic Targets
Abstract
Background: Lafora disease (LD) is an ultra-rare and fatal neurodegenerative disorder with limited therapeutic options. Current treatments primarily address symptoms, with modest efficacy in halting disease progression, thus highlighting the urgent need for novel therapeutic approaches. Gene therapy, antisense oligonucleotides, and recombinant enzymes have recently been, and still are, under investigation. Drug repurposing may offer a promising approach to identify new, possibly effective, therapies. Methods: This study aims to investigate the conditions for repurposing empagliflozin, an SGLT2 (sodium/glucose cotransporter-2) inhibitor, as a potential treatment for LD and to establish a clinical protocol. Clinical phase: This 12-month prospective observational study will assess the safety and clinical efficacy of empagliflozin in two patients with early to intermediate LD stage. The primary endpoints will include changes in the severity of epilepsy and cognitive function, while the secondary endpoints will assess motor function, global function, and autonomy. Multiple clinical and instrumental evaluations (including MRI and PET with 18F-fluorodeoxyglucose) will be performed before and during treatment. Safety monitoring will include regular clinical assessments and reports of adverse events. Preclinical phase: In silico studies (using both molecular docking calculations and reverse ligand-based screening) and in vitro cell-based assays will allow us to investigate the…
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