Claims for Patent: 9,920,116

Summary for Patent: 9,920,116

Title:	Methods for treating ischemic stroke using chimeric and humanized anti-histone antibodies
Abstract:	The present invention concerns chimeric or humanized antibodies or antigen-binding fragments thereof that comprise specific CDR sequences, disclosed herein. Preferably, the antibodies or fragments comprise specific heavy and light chain variable region sequences disclosed herein. More preferably, the antibodies or fragments also comprise specific constant region sequences, such as those associated with the nG1m1,2 or Km3 allotypes. The antibodies or fragments may bind to a human histone protein, such as H2B, H3 or H4. The antibodies or fragments are of use to treat a variety of diseases that may be associated with histones, such as autoimmune disease (e.g., SLE), atherosclerosis, arthritis, rheumatoid arthritis, edema, sepsis, septic shock, hyperinflammatory disorder, infectious disease, inflammatory disease, immune dysregulatory disorder, GVHD, transplant rejection, atherosclerosis, asthma, a coagulopathy, myocardial ischemia, thrombosis, nephritis, inflammatory liver injury, acute pancreatitis, ischemia-reperfusion injury, stroke, cardiovascular disease, and burn.
Inventor(s):	Chang; Chien-Hsing (Downingtown, PA), Hansen; Hans J. (Diamondhead, MS), Goldenberg; David M. (Mendham, NJ)
Assignee:	Immunomedics, Inc. (Morris Plains, NJ)
Application Number:	15/713,031
Patent Claims:	1. A method of treating ischemic stroke, comprising administering to a subject with ischemic stroke a chimeric or humanized anti-histone H4 antibody or antigen-binding fragment thereof, comprising the heavy chain complementarity-determining region (CDR) sequences CDR1 (DDYLH, SEQ ID NO:90), CDR2 (WIGWIDPENGDTEYASKFQG, SEQ ID NO:91) and CDR3 (PLVHLRTFAY, SEQ ID NO:92) and the light chain CDR sequences CDR1 (RASESVDSYDNSLH, SEQ ID NO:93), CDR2 (LASNLES, SEQ ID NO:94) and CDR3 (QQNNEDPWT, SEQ ID NO:95). 2. The method of claim 1, further comprising administering at least one other therapeutic agent to the subject, before, concurrently with or after the chimeric or humanized antibody or fragment thereof. 3. The method of claim 2, wherein the therapeutic agent is selected from the group consisting of a second antibody, a second antibody fragment, an immunoconjugate, an immunomodulator, an anti-angiogenic agent, a pro-apoptotic agent, a cytokine, a chemokine, a drug, a hormone, an siRNA, a coagulation inhibitor, a stem cell growth factor, a lymphotoxin, a hematopoietic factor, a colony stimulating factor, an interferon, erythropoietin, thrombopoietin, an enzyme, recombinant human thrombomodulin and activated human protein C. 4. The method of claim 3, wherein the second antibody, second antibody fragment or immunoconjugate binds to an antigen selected from the group consisting of histone H2B, histone H3, histone H4 and MIF. 5. The method of claim 3, wherein the immunomodulator is selected from the group consisting of a cytokine, a stem cell growth factor, a lymphotoxin, a hematopoietic factor, a colony stimulating factor (CSF), an interleukin (IL), erythropoietin, thrombopoietin, tumor necrosis factor (TNF), granulocyte-colony stimulating factor (G-CSF), granulocyte macrophage-colony stimulating factor (GM-CSF), interferon-.alpha., interferon-.beta., interferon-.gamma., interferon-.lamda., TGF-.alpha., TGF-.beta., interleukin-1 (IL-1), IL-1.alpha., IL-2, IL-3, IL-4, IL-5, IL-6, IL-7, IL-8, IL-9, IL-10, IL-11, IL-12; IL-13, IL-14, IL-15, IL-16, IL-17, IL-18, IL-21, IL-23, IL-25, LIF, FLT-3, angiostatin, thrombospondin, recombinant human thrombomodulin, endostatin and lymphotoxin. 6. The method of claim 5, wherein the cytokine is selected from the group consisting of human growth hormone, N-methionyl human growth hormone, bovine growth hormone, parathyroid hormone, thyroxine, insulin, proinsulin, relaxin, prorelaxin, follicle stimulating hormone (FSH), thyroid stimulating hormone (TSH), luteinizing hormone (LH), hepatic growth factor, prostaglandin, fibroblast growth factor, prolactin, placental lactogen, OB protein, tumor necrosis factor-.alpha., tumor necrosis factor-.beta., mullerian-inhibiting substance, mouse gonadotropin-associated peptide, inhibin, activin, vascular endothelial growth factor, integrin, thrombopoietin (TPO), NGF-.beta., platelet-growth factor, TGF-.alpha., TGF-.beta., insulin-like growth factor-I, insulin-like growth factor-II, erythropoietin (EPO), osteoinductive factors, interferon-.alpha., interferon-.beta., interferon-.gamma., macrophage-CSF (M-CSF), IL-1, IL-la, IL-2, IL-3, IL-4, IL-5, IL-6, IL-7, IL-8, IL-9, IL-10, IL-11, IL-12, IL-13, IL-14, IL-15, IL-16, IL-17, IL-18, IL-21, IL-25, LIF, FLT-3, angiostatin, thrombospondin, endostatin, tumor necrosis factor and lymphotoxin. 7. The method of claim 1, wherein the chimeric or humanized antibody or fragment thereof is a bispecific antibody or fragment thereof. 8. The method of claim 1, wherein the antibody or fragment thereof is a chimeric antibody or fragment and wherein the amino acid sequence of the heavy chain variable region sequence is SEQ ID NO:98 and the amino acid sequence of the light chain variable region sequence is SEQ ID NO:99. 9. The method of claim 1, wherein the antibody or fragment thereof is a humanized antibody or fragment and wherein the amino acid sequence of the heavy chain variable region sequence is SEQ ID NO:96 and the amino acid sequence of the light chain variable region sequence is SEQ ID NO:97. 10. A method of treating ischemic stroke comprising administering to a subject with ischemic stroke a chimeric or humanized anti-histone H3 antibody or antigen-binding fragment thereof, comprising the heavy chain CDR sequences CDR1 (SYWMH, SEQ ID NO: 100), CDR2 (NIDPSDSETHYNQKFKD, SEQ ID NO:101) and CDR3 (EKITDDYNYFDY, SEQ ID NO: 102) and the light chain CDR sequences CDR1 (RASESVDSYGNSFMH, SEQ ID NO:103), CDR2 (HASNLES, SEQ ID NO:104) and CDR3 (QQNNEDPLT, SEQ ID NO: 105). 11. The method of claim 10, further comprising administering at least one other therapeutic agent to the subject, before, concurrently with or after the chimeric or humanized antibody or fragment thereof. 12. The method of claim 11, wherein the therapeutic agent is selected from the group consisting of a second antibody, a second antibody fragment, an immunoconjugate, an immunomodulator, an anti-angiogenic agent, a pro-apoptotic agent, a cytokine, a chemokine, a drug, a hormone, an siRNA, a coagulation inhibitor, a stem cell growth factor, a lymphotoxin, a hematopoietic factor, a colony stimulating factor, an interferon, erythropoietin, thrombopoietin, an enzyme, recombinant human thrombomodulin and activated human protein C. 13. The method of claim 12, wherein the second antibody, second antibody fragment or immunoconjugate binds to an antigen selected from the group consisting of histone H2B, histone H3, histone H4 and MIF. 14. The method of claim 12, wherein the immunomodulator is selected from the group consisting of a cytokine, a stem cell growth factor, a lymphotoxin, a hematopoietic factor, a colony stimulating factor (CSF), an interleukin (IL), erythropoietin, thrombopoietin, tumor necrosis factor (TNF), granulocyte-colony stimulating factor (G-CSF), granulocyte macrophage-colony stimulating factor (GM-CSF), interferon-.alpha., interferon-.beta., interferon-.gamma., interferon-.lamda., TGF-.alpha., TGF-.beta., interleukin-1 (IL-1), IL-1.alpha., IL-2, IL-3, IL-4, IL-5, IL-6, IL-7, IL-8, IL-9, IL-10, IL-11, IL-12; IL-13, IL-14, IL-15, IL-16, IL-17, IL-18, IL-21, IL-23, IL-25, LIF, FLT-3, angiostatin, thrombospondin, recombinant human thrombomodulin, endostatin and lymphotoxin. 15. The method of claim 14, wherein the cytokine is selected from the group consisting of human growth hormone, N-methionyl human growth hormone, bovine growth hormone, parathyroid hormone, thyroxine, insulin, proinsulin, relaxin, prorelaxin, follicle stimulating hormone (FSH), thyroid stimulating hormone (TSH), luteinizing hormone (LH), hepatic growth factor, prostaglandin, fibroblast growth factor, prolactin, placental lactogen, OB protein, tumor necrosis factor-.alpha., tumor necrosis factor-.beta., mullerian-inhibiting substance, mouse gonadotropin-associated peptide, inhibin, activin, vascular endothelial growth factor, integrin, thrombopoietin (TPO), NGF-.beta., platelet-growth factor, TGF-.alpha., TGF-.beta., insulin-like growth factor-I, insulin-like growth factor-II, erythropoietin (EPO), osteoinductive factors, interferon-.alpha., interferon-.beta., interferon-.gamma., macrophage-CSF (M-CSF), IL-1, IL-1.alpha., IL-2, IL-3, IL-4, IL-5, IL-6, IL-7, IL-8, IL-9, IL-10, IL-11, IL-12, IL-13, IL-14, IL-15, IL-16, IL-17, IL-18, IL-21, IL-25, LIF, FLT-3, angiostatin, thrombospondin, endostatin, tumor necrosis factor and lymphotoxin. 16. The method of claim 10, wherein the chimeric or humanized antibody or fragment thereof is a bispecific antibody or fragment thereof. 17. The method of claim 10, wherein the antibody or fragment thereof is a chimeric antibody or fragment thereof and wherein the amino acid sequence of the heavy chain variable region sequence is SEQ ID NO: 108 and the amino acid sequence of the light chain variable region sequence is SEQ ID NO: 109. 18. The method of claim 10, wherein the antibody or fragment thereof is a humanized antibody or fragment thereof and wherein the amino acid sequence of the heavy chain variable region sequence is SEQ ID NO: 106 and the amino acid sequence of the light chain variable region sequence is SEQ ID NO: 107. 19. A method of treating ischemic stroke comprising administering to a subject with ischemic stroke a chimeric or humanized anti-histone H2B antibody or antigen-binding fragment thereof, comprising the heavy chain CDR sequences CDR1 (SYVMY, SEQ ID NO: 110), CDR2 (YINPYNDGTKYNEKFKG, SEQ ID NO: 111) and CDR3 (PGDGYPFDY, SEQ ID NO: 112) and the light chain CDR sequences CDR1 (RSSQSIVHSNGNTYLE, SEQ ID NO: 113), CDR2 (KVSNRFS, SEQ ID NO: 114) and CDR3 (FQGSHVPYT, SEQ ID NO:115). 20. The method of claim 19, further comprising administering at least one other therapeutic agent to the subject, before, concurrently with or after the chimeric or humanized antibody or fragment thereof. 21. The method of claim 20, wherein the therapeutic agent is selected from the group consisting of a second antibody, a second antibody fragment, an immunoconjugate, an immunomodulator, an anti-angiogenic agent, a pro-apoptotic agent, a cytokine, a chemokine, a drug, a hormone, an siRNA, a coagulation inhibitor, a stem cell growth factor, a lymphotoxin, a hematopoietic factor, a colony stimulating factor, an interferon, erythropoietin, thrombopoietin, an enzyme, recombinant human thrombomodulin and activated human protein C. 22. The method of claim 21, wherein the immunomodulator is selected from the group consisting of a cytokine, a stem cell growth factor, a lymphotoxin, a hematopoietic factor, a colony stimulating factor (CSF), an interleukin (IL), erythropoietin, thrombopoietin, tumor necrosis factor (TNF), granulocyte-colony stimulating factor (G-CSF), granulocyte macrophage-colony stimulating factor (GM-CSF), interferon-.alpha., interferon-.beta., interferon-.gamma., interferon-.lamda., TGF-.alpha., TGF-.beta., interleukin-1 (IL-1), IL-1.alpha., IL-2, IL-3, IL-4, IL-5, IL-6, IL-7, IL-8, IL-9, IL-10, IL-11, IL-12; IL-13, IL-14, IL-15, IL-16, IL-17, IL-18, IL-21, IL-23, IL-25, LIF, FLT-3, angiostatin, thrombospondin, recombinant human thrombomodulin, endostatin and lymphotoxin. 23. The method of claim 22, wherein the cytokine is selected from the group consisting of human growth hormone, N-methionyl human growth hormone, bovine growth hormone, parathyroid hormone, thyroxine, insulin, proinsulin, relaxin, prorelaxin, follicle stimulating hormone (FSH), thyroid stimulating hormone (TSH), luteinizing hormone (LH), hepatic growth factor, prostaglandin, fibroblast growth factor, prolactin, placental lactogen, OB protein, tumor necrosis factor-.alpha., tumor necrosis factor-.beta., mullerian-inhibiting substance, mouse gonadotropin-associated peptide, inhibin, activin, vascular endothelial growth factor, integrin, thrombopoietin (TPO), NGF-.beta., platelet-growth factor, TGF-.alpha., TGF-.beta., insulin-like growth factor-I, insulin-like growth factor-II, erythropoietin (EPO), osteoinductive factors, interferon-.alpha., interferon-.beta., interferon-.gamma., macrophage-CSF (M-CSF), IL-1, IL-1.alpha., IL-2, IL-3, IL-4, IL-5, IL-6, IL-7, IL-8, IL-9, IL-10, IL-11, IL-12, IL-13, IL-14, IL-15, IL-16, IL-17, IL-18, IL-21, IL-25, LIF, FLT-3, angiostatin, thrombospondin, endostatin, tumor necrosis factor and lymphotoxin. 24. The method of claim 19, wherein the chimeric or humanized antibody or fragment thereof is a bispecific antibody or fragment thereof. 25. The method of claim 19, wherein the antibody or fragment thereof is a chimeric antibody or fragment thereof and wherein the amino acid sequence of the heavy chain variable region sequence is SEQ ID NO: 118 and the amino acid sequence of the light chain variable region sequence is SEQ ID NO: 119. 26. The method of claim 19, wherein the antibody or fragment thereof is a humanized antibody or fragment thereof and wherein the amino acid sequence of the heavy chain variable region sequence is SEQ ID NO: 116 and the amino acid sequence of the light chain variable region sequence is SEQ ID NO: 117.

Details for Patent 9,920,116

Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Nps Pharmaceuticals, Inc.	NATPARA	parathyroid hormone	For Injection	125511	01/23/2015		2033-02-15