IP Library Granted Patent US 12,324,855
Granted Patent B2
US 12,324,855 · App. 18/316,829 · Granted Jun 10, 2025

Method of safe administration of phosphorylated Tau peptide vaccine

Inventors: Andrea Pfeifer (St. Legier, CH); Andreas Muhs (Cugy, CH); Maria Pihlgren Bosch (Mont-sur-Lausanne, CH); Marija Vukicevic Verhille (St-Sulpice, CH); Nicolas Piot (Grandvaux, CH); Saroj Raj Ghimire (Chavannes-Pres-Renens, CH); Elizabeth Anne Ramsburg (Chalfont, PA); Donata De Marco (Turnhout, BE); Charlotte Sadaka (San Diego, CA)
Assignees: AC Immune SA; Janssen Pharmaceuticals, Inc.
A61K9/1271A61K39/0007A61P25/28A61K2039/545A61K2039/55516A61K2039/55555A61K2039/55561A61K2039/55572A61K2039/6018A61K2039/627
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Quick Facts
Patent No.
US 12,324,855
App. No.
18/316,829
Granted
Jun 10, 2025
Kind
B2
Abstract

Methods for inducing anti-phosphorylated Tau antibodies without inducing a severe adverse event in humans are described. The methods include administering to the subject an effective amount of liposomes including a toll-like receptor 4 agonist and a Tau phosphopeptide presented on the surface of the liposome.

Claims (26)

1. A method of inducing anti-phosphorylated Tau antibodies without inducing a severe adverse event in a human subject in need thereof, comprising administering to the subject an effective amount of liposomes comprising a toll-like receptor 4 agonist and a Tau phosphopeptide comprising an amino acid sequence selected from the group consisting of SEQ ID NOs: 2, 5, 9 and 12, wherein the Tau phosphopeptide is administered at an amount of about 25 nmoles to about 750 nmoles per dose, and the Tau phosphopeptide is presented on the surface of the liposome.

2. The method of claim 1 , wherein the Tau phosphopeptide consists of an amino acid sequence selected from the group consisting of SEQ ID NOs: 28, 31, 35 and 38.

3. The method of claim 1 , wherein the effective amount of liposomes comprises 300 μg to 2400 μg per dose of the Tau phosphopeptide.

4. The method of claim 3 , wherein the effective amount of liposomes comprises 300 μg per dose, 900 μg per dose, 1800 μg per dose, or 2400 μg per dose of the Tau phosphopeptide.

5. The method of claim 1 , wherein the liposomes are administered subcutaneously.

6. The method of claim 1 , wherein the liposomes are administered intramuscularly.

7. The method of claim 1 , wherein the liposome further comprises a helper T-cell epitope and a lipidated CpG oligonucleotide.

8. The method of claim 7 , wherein the lipidated CpG oligonucleotide has a nucleotide sequence selected from the group consisting of SEQ ID NO:18 to SEQ ID NO:22, wherein the CpG oligonucleotide has one or more phosphorothioate internucleotide linkages, and the CpG oligonucleotide is covalently linked to at least one lipophilic group, optionally via a PEG linker.

9. The method of claim 8 , wherein the CpG oligonucleotide is covalently linked to at least one lipophilic group via a PEG linker.

10. The method of claim 1 , wherein the liposome further comprises one or more lipids selected from the group consisting of 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC), 1,2-dimyristoyl-sn-glycero-3-phosphoryl-3′-rac-glycerol (DMPG), and cholesterol.

11. The method of claim 7 , wherein the helper T-cell epitope comprises at least one amino acid sequence selected from the group consisting of SEQ ID NO: 13 to SEQ ID NO: 17, SEQ ID NO:23 to SEQ ID NO:26, and SEQ ID NO:39 to SEQ ID NO:44.

12. The method of claim 7 , wherein the effective amount of liposomes comprises the helper T-cell epitope at an amount of about 2 nmoles to about 110 nmoles per dose.

13. The method of claim 7 , wherein the effective amount of liposomes comprises the helper T-cell epitope having an amino acid sequence selected from the group consisting of SEQ ID NO: 13 to SEQ ID NO:17, SEQ ID NO:23 to SEQ ID NO:26, and SEQ ID NO: 39 to SEQ ID NO:44 at an amount of 25 μg to 620 μg per dose.

14. The method of claim 1 , wherein the effective amount of liposomes comprises the toll-like receptor 4 agonist at an amount of 30 μg to 900 μg per dose.

15. The method of claim 7 , wherein the effective amount of liposomes comprises the lipidated CpG oligonucleotide having a nucleotide sequence selected from the group consisting of SEQ ID NO: 18 to SEQ ID NO:22 at an amount of 50 μg to 1250 μg per dose.

16. The method of claim 1 , wherein the liposome comprises:

(1) the Tau phosphopeptide having the amino acid sequence of SEQ ID NO:28;

(2) the toll-like receptor 4 agonist comprising monophosphoryl hexa-acyl Lipid A, 3-deacyl;

(3) the helper T-cell epitope comprising the amino acid sequence of SEQ ID NO: 39;

(4) the lipidated CpG oligonucleotide comprising the nucleotide sequence of SEQ ID NO: 18; and

(5) at least one lipid selected from the group consisting of 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC), 1,2-dimyristoyl-sn-glycero-3-phosphoryl-3′-rac-glycerol (DMPG), and cholesterol,

wherein the effective amount of liposomes comprises the helper T-cell epitope at an amount of about 75 nmoles to about 450 nmoles per dose.

17. The method of claim 1 , wherein the subject is in need of a treatment of Alzheimer's Disease.

18. The method of claim 17 , wherein the subject is in need of a treatment of early Alzheimer's Disease, mild cognitive impairment (MCI) due to Alzheimer's Disease, or mild to moderate Alzheimer's Disease.

19. The method of claim 14 , wherein the effective amount of liposomes comprises the toll-like receptor 4 agonist at an amount of 100 μg to 585 μg per dose.

20. The method of claim 15 , wherein the effective amount of liposomes comprises the lipidated CpG oligonucleotide at an amount of 150 μg to 800 μg per dose.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 12, 2023
From: PFEIFER, ANDREA; PIHLGREN BOSCH, MARIA; VUKICEVIC VERHILLE, MARIJA; PIOT, NICOLAS; GHIMIRE, SAROJ RAJ
To: AC IMMUNE SA
Reel/Frame 063629/0464 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 12, 2023
From: MUHS, ANDREAS
To: AC IMMUNE SA
Reel/Frame 063629/0498 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 12, 2023
From: RAMSBURG, ELIZABETH ANNE; DE MARCO, DONATA; SADAKA, CHARLOTTE
To: JANSSEN PHARMACEUTICALS, INC.
Reel/Frame 063629/0534 →
Continuity (3)
Continuation 16785011 · Feb 7, 2020
Provisional Application 62802870 · Feb 8, 2019
Related Publication 20230381108A1 · Nov 30, 2023
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