IP Library › Granted Patent US 12,410,255
Granted Patent B2
US 12,410,255 · App. 18/193,581 · Granted Sep 9, 2025

Natriuretic peptide receptor 1 antibodies and methods of use

Inventors: John Louis Diener (Cambridge, MA); Lars Gadtke (Munich, DE); Felix Hartlepp (Munich, DE); Tiancen Hu (Woodbridge, CT); Kathrin Ladetzki-Baehs (Planegg, DE); Michael John Romanowski (Lexington, MA); Cesare Russo (Bachlettenstrasse, CH); Xenia Wezler (Munich, DE); Xiaoling Xie (Cambridge, MA)
Assignee: NOVARTIS AG
C07K16/2869C12N15/63A61K39/3955A61K2039/505A61K45/06A61P9/00A61P13/12C07K14/58C07K14/72C07K2317/50C07K2317/54C07K2317/55C07K2317/56C07K2317/565C07K2317/622C07K2317/75
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Quick Facts
Patent No.
US 12,410,255
App. No.
18/193,581
Granted
Sep 9, 2025
Kind
B2
Abstract

This disclosure relates to anti-Natriuretic Peptide Receptor 1 (NPR1) antibodies including agonist antibodies which are able to activate the NPR1 receptor, pharmaceutical compositions comprising the same, and methods of treatment comprising the same.

Claims (44)

1. An isolated nucleic acid or nucleic acids encoding the amino acid sequence of an anti-NPR1 antibody or antigen binding fragment, wherein the antibody or antigen binding fragment comprises three heavy chain complementarity determining regions (HCDR1, HCDR2, and HCDR3) and three light chain complementarity determining regions (LCDR1, LCDR2, and LCDR3) selected from:

(I) 

SEQ ID NO: 28 (HCDR1),  

SEQ ID NO: 119 (HCDR2),

SEQ ID NO: 30 (HCDR3),  

SEQ ID NO: 41 (LCDR1), 

SEQ ID NO: 42 (LCDR2), and

SEQ ID NO: 134 (LCDR3);

(II) 

SEQ ID NO: 31 (HCDR1),  

SEQ ID NO: 119 (HCDR2), 

SEQ ID NO: 30 (HCDR3),

SEQ ID NO: 41 (LCDR1), 

SEQ ID NO: 42 (LCDR2), and 

SEQ ID NO: 134 (LCDR3);

(III)  

SEQ ID NO: 32 (HCDR1),

SEQ ID NO: 120 (HCDR2), 

SEQ ID NO: 30 (HCDR3), 

SEQ ID NO: 44 (LCDR1), 

SEQ ID NO: 45 (LCDR2), and 

SEQ ID NO: 135 (LCDR3); or

(IV) 

SEQ ID NO: 34 (HCDR1), 

SEQ ID NO: 121 (HCDR2), 

SEQ ID NO: 36 (HCDR3), 

SEQ ID NO: 47 (LCDR1), 

SEQ ID NO: 45 (LCDR2), and 

SEQ ID NO: 134 (LCDR3).

2. A vector comprising the isolated nucleic acid(s) of claim 1 .

3. A host cell comprising the isolated nucleic acid(s) of claim 1 .

4. A method of producing an isolated anti-NPR1 antibody or antigen binding fragment, comprising culturing the host cell of claim 3 under conditions suitable for producing the antibody or antigen binding fragment.

5. The isolated nucleic acid(s) of claim 1 , wherein the antibody or antigen binding fragment comprises:

(a) a heavy chain variable region comprising an amino acid sequence of SEQ ID NO: 201, and a light chain variable region comprising an amino acid sequence of SEQ ID NO: 136; or

(b) a heavy chain variable region comprising an amino acid sequence of SEQ ID NO: 122, and a light chain variable region comprising an amino acid sequence of SEQ ID NO: 136.

6. A vector comprising the isolated nucleic acid(s) of claim 5 .

7. A host cell comprising the isolated nucleic acid(s) of claim 5 .

8. A method of producing an isolated anti-NPR1 antibody or antigen binding fragment, comprising culturing the host cell of claim 7 under conditions suitable for producing the antibody or antigen binding fragment.

9. The isolated nucleic acid(s) of claim 1 , wherein the antibody or antigen binding fragment comprises:

(a) a heavy chain comprising an amino acid sequence of SEQ ID NO: 203, and a light chain comprising an amino acid sequence of SEQ ID NO: 138; or

(b) a heavy chain comprising an amino acid sequence of SEQ ID NO: 208, and a light chain comprising an amino acid sequence of SEQ ID NO: 138.

10. A vector comprising the isolated nucleic acid(s) of claim 9 .

11. A host cell comprising the isolated nucleic acid(s) of claim 9 .

12. A method of producing an isolated anti-NPR1 antibody or antigen binding fragment, comprising culturing the host cell of claim 11 under conditions suitable for producing the antibody or antigen binding fragment.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 9, 2023
From: DIENER, JOHN LOUIS; HU, TIANCEN; ROMAN OWSKI, MICHAEL; RUSSO, CESARE; XIE, XIAOLING
To: NOVARTIS INSTITUTES FOR BIOMEDICAL RESEARCH, INC
Reel/Frame 063955/0329 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 9, 2023
From: MORPHOSYS AG
To: NOVARTIS AG
Reel/Frame 063911/0161 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 9, 2023
From: NOVARTIS INSTITUTES FOR BIOMEDICAL RESEARCH, INC.
To: NOVARTIS AG
Reel/Frame 063911/0124 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 9, 2023
From: GADTKE, LARS; HARTLEPP, FELIX; BAEHS, KATHRIN LADETZKI; WEZLER, XENIA KAROLA
To: MORPHOSYS AG
Reel/Frame 063911/0178 →
Continuity (4)
Division 17348949 · Jun 16, 2021
Division 16897935 · Jun 10, 2020
Provisional Application 62860508 · Jun 12, 2019
Related Publication 20230365674A1 · Nov 16, 2023
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