IP Library Granted Patent US 12662658
Granted Patent B2
US 12662658 · App. 18/955,938 · Granted Jun 23, 2026

Method of inhibiting tau phosphorylation

Inventors: Hoau-Yan Wang (Philadelphia, PA); Lindsay Burns Barbier (Austin, TX)
Assignee: Filana Therapeutics, Inc.
C12N5/0622C07D205/04C07D207/08C07D211/14C07D211/74C07D217/04C07D265/30C07D265/36C07D277/02C07D277/04C07D279/12C07D295/08C07D295/088C07D471/10C07D491/04C07D491/056C07D498/10G01N33/50G01N33/6896G01N33/94G01N2333/70571G01N2800/2821G01N2800/52
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Quick Facts
Patent No.
US 12662658
App. No.
18/955,938
Granted
Jun 23, 2026
Kind
B2
Abstract

A method of inhibiting phosphorylation of the tau protein and/or a TLR4-mediated immune response is disclosed. The method contemplates administering to cells in recognized need thereof such as cells of the central nervous system an effective amount of a of a compound or a pharmaceutically acceptable salt thereof that binds to a pentapeptide of filamin A (FLNA) of SEQ ID NO: 1, and contains at least four of the six pharmacophores of FIGS. 35 - 40.

Claims (33)

1 . A method of treating Alzheimer's disease in a patient, comprising administering to a patient having Alzheimer's disease a compound of the structure:

or a pharmaceutically acceptable salt and/or solvate thereof.

2 . The method of claim 1 , wherein the patient has an Alzheimer's disease symptom.

3 . The method of claim 1 , wherein the patient has been diagnosed as having Alzheimer's disease.

4 . The method of claim 1 , wherein the patient has a phosphorylated tau protein at S 202 , T 231 , or T 181 .

5 . The method of claim 4 , wherein the method reduces the level of phosphorylation at S 202 , T 231 , or T 181 by at least 50%.

6 . The method of claim 1 , wherein the method inhibits hyperphosphorylation of a tau protein at S 202 , T 231 , or T 181 .

7 . The method of claim 1 , wherein the patient has a tau-containing neurofibrillary tangle (NFT).

8 . The method of claim 1 , wherein the method reduces formation of a tau-containing neurofibrillary tangle (NFT) in the Alzheimer's disease patient's brain.

9 . The method of claim 1 , wherein the method inhibits Aβ 42 -induced formation of a tau-containing neurofibrillary tangle (NFT).

10 . The method of claim 1 , wherein the patient has a neuritic plaque.

11 . The method of claim 1 , wherein the method reduces formation of a neuritic plaque in the Alzheimer's disease patient's brain.

12 . The method of claim 1 , wherein the method inhibits Aβ 42 -induced formation of a neuritic plaque.

13 . The method of claim 1 , wherein the method reduces inflammation in Alzheimer's disease patient's brain.

14 . The method of claim 1 , wherein the method helps preserve the Alzheimer's disease patient's memory.

15 . The method of claim 1 , wherein the method provides cognitive recovery or mitigates further cognitive degeneration in the Alzheimer's disease patient.

16 . The method of claim 1 , wherein the method inhibits interaction of Aβ with α7nAChR.

17 . The method of claim 1 , wherein the method inhibits Filamin A (FLNA)-mediated signaling.

18 . The method of claim 17 , wherein the FLNA-mediated signaling is associated with an impairment in α-7 nicotinic acetylcholine receptor (α7nAChR) function.

19 . The method of claim 18 , wherein the impairment in α7nAChR function is induced by Aβ 42 .

20 . The method of claim 17 , wherein the FLNA-mediated signaling is associated with toll-like receptor-4 (TLR4) activation.

21 . The method of claim 20 , wherein TLR4 is induced by Aβ 42 .

22 . The method of claim 21 , wherein the method inhibits Aβ 42 -induced inflammatory cytokine production.

23 . The method of claim 1 , wherein the method inhibits Aβ-induced α7nAChR-mediated signaling.

24 . The method of claim 1 , wherein the compound is:

or pharmaceutically acceptable salt and/or solvate thereof.

25 . The method of claim 1 , wherein the compound is:

or pharmaceutically acceptable salt and/or solvate thereof.

26 . The method of claim 1 , wherein the compound is not a salt or solvate.

27 . The method of claim 1 , wherein the compound is a pharmaceutically acceptable salt.

28 . The method of claim 1 , wherein the compound is a pharmaceutically acceptable solvate.

29 . The method of claim 1 , wherein the compound is administered orally.

30 . The method of claim 1 , wherein the compound is administered daily; optionally wherein the compound is administered once or twice daily.