Novel pyridoindole derivative compound and use thereof

The pyridoindole derivative compound addresses the underlying interaction between Tau and synaptogyrin-3 to prevent or treat tauopathy, providing a fundamental solution by inhibiting the binding of Tau to synaptic vesicles and restoring neurotransmitter secretion.

WO2026059395A1 Publication Date: 2026-03-19KOREA INST OF SCI & TECH
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Patent Information

Application Number
PCT/KR2025/014306
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-09-13
Filing Date
2025-09-15
Publication Date
2026-03-19

AI Technical Summary

Technical Problem

Current treatments for tauopathy, a neurodegenerative disease caused by hyperphosphorylation and aggregation of Tau protein, primarily focus on symptomatic relief rather than addressing the underlying interaction between Tau protein and synaptogyrin-3, which contributes to the disease's progression.

Method used

A novel pyridoindole derivative compound that inhibits the interaction between Tau protein and synaptogyrin-3, blocking the binding of Tau to synaptic vesicles and restoring neurotransmitter secretion.

Benefits of technology

The compound effectively prevents or treats tauopathy by fundamentally eliminating the etiology of the disease, inhibiting the interaction between Tau and synaptogyrin-3, thereby restoring vesicle mobility and neurotransmitter secretion, offering a therapeutic strategy beyond symptomatic treatment.

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Abstract

The present invention provides a composition for preventing or treating neurodegenerative diseases, containing a novel pyridoindole derivative compound as an active ingredient. The present invention departs from a conventional symptomatic treatment that focused on controlling peripheral symptoms of neurodegenerative diseases, particularly various tauopathies caused by Tau protein aggregation, so as to significantly inhibit the interaction between Tau protein and synaptogyrin-3, and thus can achieve the fundamental removal of the cause of neurodegeneration.
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