IP Library › Granted Patent US 12,679,888
Granted Patent B2
US 12,679,888 · App. 18/436,802 · Granted Jul 14, 2026

IL-18 binding protein (IL-18BP) and antibodies for treating inflammatory diseases

Inventors: Greg Del Val (Rolle, CH); Eduardo Schiffrin (Crissier, CH)
Assignee: AB2 BIO SA
C07K16/244A61K38/1709G01N33/6869A61K2039/505A61K2039/545C07K2317/30C07K2317/76C07K2317/92G01N2333/54
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Quick Facts
Patent No.
US 12,679,888
App. No.
18/436,802
Filed
Feb 8, 2024
Granted
Jul 14, 2026
Kind
B2
Art Unit
1647
USPC
424/145.1
Abstract

The present invention provides means and methods for treating Interleukin 18 (IL-18)-associated diseases and disorders. In particular, the present invention discloses antibodies specific for free IL-18 and IL-18 Binding Protein (IL-18BP) for use in such treatments and for the diagnosis of the diseases and disorders.

Claims (19)

1 . A method for the treatment of an IL-18 associated autoinflammatory disease or disorder and/or symptoms associated with said disease or disorder in a subject, said method comprising administering to said subject an IL-18 inhibitor, wherein the IL-18 inhibitor is an IL-18 binding protein (IL-18BP) or an active fragment thereof, wherein the IL-18BP or the active fragment thereof comprises N-terminal and/or C-terminal deletion variants of IL-18BP, which are present in an amount of less than 30%, wherein the IL-18 associated autoinflammatory disease or disorder is selected from juvenile idiopathic arthritis (JIA), systemic juvenile idiopathic arthritis (sJIA), systemic onset juvenile idiopathic arthritis (SoJIA), SoJIA with macrophage activation syndrome (SoJIA-MAS), or interstitial lung disease (ILD).

2 . The method of claim 1 , wherein the body fluids of said subject have been quantified to have abnormal levels of free IL-18, which exceed the level of free IL-18 in body fluids of a healthy control subject by 5%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 100%, or more than 100%.

3 . The method of claim 2 , wherein the level of free IL-18 in the body fluids has been determined to be ≥5 μg/mL as compared to ≤4 μg/mL in the healthy control subject.

4 . The method of claim 1 , wherein the IL18-BP is human IL-18BP.

5 . The method of claim 4 , wherein said human IL-18BP is selected from isoforms a, b, c and d of human IL-18BP.

6 . The method of claim 1 , wherein said deletion variants comprise deletions of between 1 and 5 amino acid residues at the C-terminal end of the IL-18BP and/or between 1 and 30 amino acid residues at the N-terminal end of the IL-18BP.

7 . The method of claim 1 , wherein the IL-18 associated autoinflammatory disease or disorder is accompanied by high levels of IL-18 and free IL-18.

8 . The method of claim 1 , wherein the IL-18 BP or the active fragment thereof is administered to the subject in need thereof in one or multiple doses/day, in one or multiple doses/week or in one or multiple doses/month.

9 . The method of claim 1 , wherein the IL-18 BP or the active fragment thereof is administered in one dose per week, in two doses per week, three doses per week, or four doses per week.

10 . The method of claim 9 , wherein a single dose comprises between 0.5 mg and 600 mg IL-18BP.

11 . The method of claim 9 , wherein a single dose comprises between 0.5 mg of IL-18BP/kg body weight and 10 mg of IL-18BP/kg body weight.

12 . The method of claim 9 , wherein a single dose of between 0.5 mg of IL-18BP/kg body weight and 5 mg of IL-18BP/kg body weight is administered every 24 or 48 hours.

13 . The method of claim 9 , wherein a single dose of 2 mg of IL-18BP/kg body weight is administered every 48 hours.

14 . The method of claim 1 , wherein the IL-18 BP or the active fragment thereof is administered every 24 hours to 48 hours.

15 . The method of claim 1 , wherein the IL-18 inhibitor is administered to the subject subcutaneously.

16 . The method of claim 1 , wherein the subject is a human.

17 . The method of claim 1 , wherein the IL-18 associated autoinflammatory disease or disorder is induced by viral infection.

18 . The method of claim 1 , further comprising administering to the subject a glucocorticoid.

19 . The method of claim 18 , wherein the glucocorticoid is dexamethasone.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 8, 2024
From: DEL VAL, GREG; SCHIFFRIN, EDUARDO
To: AB2 BIO SA
Reel/Frame 066420/0647 →
Priority Claims (3)
EP 15157742 · Mar 5, 2015 · regional
EP 15158781 · Mar 12, 2015 · regional
EP 15186626 · Sep 24, 2015 · regional
Continuity (4)
Continuation 17195518 · Mar 8, 2021
Continuation 16883906 · May 26, 2020
Continuation 15555446 · Mar 3, 2016
Related Publication 20240190952A1 · Jun 13, 2024
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