IP Library › Granted Patent US 12,540,188
Granted Patent B2
US 12,540,188 · App. 18/017,838 · Granted Feb 3, 2026

IL10Rα/IL2Rγ synthetic cytokines

Inventors: Robert Kastelein (Menlo Park, CA); Deepti Rokkam (Menlo Park, CA); Patrick J. Lupardus (Menlo Park, CA); Mahalakshmi Ramadass (Menlo Park, CA); Sandro Vivona (Menlo Park, CA)
Assignee: SYNTHEKINE, INC.
C07K16/2866A61K45/06C12N15/63C07K2317/22C07K2317/24C07K2317/31C07K2317/565C07K2317/569C07K2317/92
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Quick Facts
Patent No.
US 12,540,188
App. No.
18/017,838
Granted
Feb 3, 2026
Kind
B2
Abstract

Provided herein are IL10Rα/IL2Rγ binding molecules that bind to IL10Rα and IL2Rγ and comprise an anti-IL2Rγ sdAb and an anti-IL2Rγ V H H antibody.

Claims (17)

1 . An IL10Rα/IL2Rγ binding molecule that specifically binds to IL10Rα subunit (IL10Rα) and IL2Rγ subunit (IL2Rγ),

wherein the binding molecule comprises a single-domain antibody (sdAb) that specifically binds to IL10Rα (an anti-IL10Rα sdAb), wherein the anti-IL10Rα sdAb comprises a CDR1 comprising SEQ ID NO: 38, a CDR2 comprising a SEQ ID NO: 56 and a CDR 3 comprising SEQ ID NO: 74 and a sdAb that specifically binds to IL2Rγ (an anti-IL2Rγ sdAb) comprising a CDR1 comprising SEQ ID NO: 97, a CDR2 comprising a SEQ ID NO: 120 and a CDR3 comprising SEQ ID NO: 143,

wherein the IL10Rα sdAb and IL2Rγ sdAb are in stable association via a peptide bond, a peptide linker, or complementary knob and hole Fc domains.

2 . The IL10Rα/IL2Rγ binding molecule of claim 1 , wherein the anti-IL10Rα sdAb is a VHH antibody and/or the anti-IL2Rγ sdAb is a VHH antibody.

3 . The IL10Rα/IL2Rγ binding molecule of claim 1 , wherein the anti-IL10Rα sdAb and the anti-IL2Rγ sdAb are joined by a peptide linker.

4 . The IL10Rα/IL2Rγ binding molecule of claim 3 , wherein the peptide linker comprises between 1 and 50 amino acids.

5 . The IL10Rα/IL2Rγ binding molecule of claim 4 , wherein the peptide linker comprises a sequence of GGGS (SEQ ID NO: 9).

6 . The IL10Rα/IL2Rγ binding molecule of claim 1 , wherein the binding molecule comprises the anti-IL10Rα sdAb linked to the N-terminus of a linker and the anti-IL2Rγ sdAb linked to the C-terminus of the linker.

7 . The IL10Rα/IL2Rγ binding molecule of claim 6 , wherein the anti-IL10Rα sdAb comprises a sequence having at least 90% sequence identity to SEQ ID NO: 206.

8 . The IL10Rα/IL2Rγ binding molecule of claim 6 , wherein the anti-IL10Rα sdAb comprises SEQ ID NO: 206 or SEQ ID NO: 203.

9 . The IL10Rα/IL2Rγ binding molecule of claim 6 , wherein the anti-IL2Rγ sdAb comprises a sequence having at least 90% sequence identity to SEQ ID NO: 229.

10 . The IL10Rα/IL2Rγ binding molecule of claim 6 , wherein the anti-IL2Rγ sdAb comprises SEQ ID NO: 229, SEQ ID NO: 213 or SEQ ID NO: 217.

11 . The IL10Rα/IL2Rγ binding molecule of claim 6 , wherein the IL10Rα sdAb comprises a sequence having at least 90% sequence identity to SEQ ID NO: 206, and the anti-IL2Rγ sdAb comprises a sequence having at least 90% sequence identity to SEQ ID NO: 229.

12 . The IL10Rα/IL2Rγ binding molecule of claim 6 ,

wherein the anti-IL10Rα sdAb comprises SEQ ID NO: 206 or SEQ ID NO: 203, and the anti-IL2Rγ sdAb comprises SEQ ID NO: 229, SEQ ID NO: 213 or SEQ ID NO: 217.

13 . The IL10Rα/IL2Rγ binding molecule of claim 1 , wherein the binding molecule comprises the anti-IL2Rγ sdAb linked to the N-terminus of a linker and the anti-IL10Rα sdAb linked to the C-terminus of the linker.

14 . A pharmaceutical composition comprising the IL10Rα/IL2Rγ binding molecule of claim 1 and a pharmaceutically acceptable carrier.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 11, 2023
From: KASTELEIN, ROBERT; ROKKAM, DEEPTI; LUPARDUS, PATRICK J.; RAMDASS, MAHALAKSHMI; VIVONA, SANDRO
To: INC., SYNTHEKINE
Reel/Frame 062954/0136 →
Continuity (5)
Provisional Application 63135884 · Jan 11, 2021
Provisional Application 63136098 · Jan 11, 2021
Provisional Application 63078745 · Sep 15, 2020
Provisional Application 63061562 · Aug 5, 2020
Related Publication 20230272095A1 · Aug 31, 2023
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