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Last Updated: March 29, 2024

Claims for Patent: 5,877,289


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Summary for Patent: 5,877,289
Title: Tissue factor compositions and ligands for the specific coagulation of vasculature
Abstract:Disclosed are various compositions and methods for use in achieving specific blood coagulation. This is exemplified by the specific in vivo coagulation of tumor vasculature, causing tumor regression, through the site-specific delivery of a coagulant using a bispecific antibody.
Inventor(s): Thorpe; Philip E. (Dallas, TX), Edgington; Thomas S. (La Jolla, CA)
Assignee: The Scripps Research Institute (La Jolla, CA) Board of Regents, The University of Texas System (Austin, TX)
Application Number:08/479,733
Patent Claims:1. A binding ligand comprising:

(a) a first binding region that binds to a tumor cell, a component of tumor-associated vasculature or a component of tumor-associated stroma; the first binding region operatively linked to

(b) a Tissue Factor construct or a second binding region that binds to a Tissue Factor construct, wherein said second binding region comprises an antibody or an antigen binding region of an antibody.

2. The binding ligand of claim 1, wherein said Tissue Factor construct comprises a mutant Tissue Factor deficient in the ability to activate Factor VII.

3. The binding ligand of claim 2, wherein said Tissue Factor construct includes a mutation in the amino acid region between about position 157 and about position 167.

4. The binding ligand of claim 3, wherein, within said Tissue Factor construct, Trp at position 158 is changed to Arg; wherein Ser at position 162 is changed to Ala; wherein Gly at position 164 is changed to Ala; or wherein Trp at position 158 is changed to Arg and Ser at position 162 is changed to Ala.

5. The binding ligand of claim 1, wherein said Tissue Factor construct comprises a truncated Tissue Factor.

6. The binding ligand of claim 5, wherein said truncated Tissue Factor comprises amino acids 1 to about 219 of the mature Tissue Factor protein.

7. The binding ligand of claim 5, wherein said truncated Tissue Factor has the amino acid sequence of SEQ ID NO:23.

8. The binding ligand of claim 1, wherein said Tissue Factor construct comprises a first Tissue Factor or truncated Tissue Factor construct operatively linked to a second Tissue Factor or truncated Tissue Factor construct.

9. The binding ligand of claim 8, wherein said Tissue Factor construct comprises two truncated Tissue Factors.

10. The binding ligand of claim 9, wherein said Tissue Factor construct comprises three truncated Tissue Factors.

11. The binding ligand of claim 10, wherein said Tissue Factor construct comprises five truncated Tissue Factors.

12. The binding ligand of claim 8, wherein said Tissue Factor construct comprises a first and second Tissue Factor construct operatively linked via a disulfide, thioether or peptide bond.

13. The binding ligand of claim 1, wherein said Tissue Factor construct comprises a Tissue Factor construct with a hydrophobic membrane insertion moiety, and wherein said Tissue Factor construct is linked to said first binding region via a biologically-releasable bond.

14. The binding ligand of claim 1, comprising a first binding region operatively linked to said Tissue Factor construct.

15. The binding ligand of claim 14, wherein said first binding region is linked to said Tissue Factor construct via a biologically-releasable bond.

16. The binding ligand of claim 15, wherein said first binding region is inked via a biologically-releasable bond to a Tissue Factor construct that comprises a hydrophobic membrane insertion moiety.

17. The binding ligand of claim 16, wherein said Tissue Factor construct comprises a truncated Tissue Factor that includes a hydrophobic membrane insertion moiety comprising a stretch of between about 3 and about 20 hydrophobic amino acids.

18. The binding ligand of claim 17, wherein said hydrophobic membrane insertion moiety comprises a stretch of hydrophobic amino acids located at the N- or C-terminus of the truncated Tissue Factor.

19. The binding ligand of claim 16, wherein said Tissue Factor construct comprises a truncated Tissue Factor that includes a hydrophobic membrane insertion moiety comprising a fatty acid.

20. The binding ligand of claim 16, wherein said Tissue Factor construct comprises two truncated Tissue Factors, each of which includes a hydrophobic membrane insertion moiety.

21. The binding ligand of claim 15, wherein said first binding region is linked to said Tissue Factor construct via a selectively-cleavable peptide bond.

22. The binding ligand of claim 21, wherein said first binding region is linked to said Tissue Factor construct via a peptide linker that includes a cleavage site for urokinase, plasmin, Thrombin, Factor IXa, Factor Xa or a metalloproteinase.

23. The binding ligand of claim 22, wherein said first binding region is linked to said Tissue Factor construct via a peptide linker that includes a cleavage site for an interstitial collagenase, a gelatinase or a stromelysin.

24. The binding ligand of claim 1, comprising a first binding region operatively linked to a second binding region that binds to said Tissue Factor construct, said second binding region comprising an antibody or an antigen binding region of an antibody.

25. The binding ligand of claim 24, wherein said first binding region is an antibody or an antigen binding region of an antibody.

26. The binding ligand of claim 24, wherein said second binding region comprises an IgG antibody or an IgM antibody.

27. The binding ligand of claim 24, wherein said second binding region comprises an scFv, Fv, Fab', Fab or F(ab').sub.2 fragment of an antibody.

28. The binding ligand of claim 24, further comprising a Tissue Factor construct bound to said second antibody or antigen binding region of an antibody.

29. The binding ligand of claim 1, wherein said first binding region comprises an antibody or an antigen binding region of an antibody.

30. The binding ligand of claim 25, wherein said first binding region comprises an IgG antibody or an IgM antibody.

31. The binding ligand of claim 29, wherein said first binding region comprises an scFv, Fv, Fab', Fab or F(ab').sub.2 fragment of an antibody.

32. The binding ligand of claim 29, wherein said first binding region comprises an antigen binding region of an antibody that binds to the tumor cell surface antigen p185.sup.HER2, milk mucin core protein, TAG-72, Lewis a, carcinoembryonic antigen (CEA) or a tumor-associated antigen that binds to an antibody selected from the group consisting of B3 (ATCCHB10573), KS1/4 (NRRLB/18536 and NRRLB/18537), 260F9 (ATCCHB8488) and D612 (ATCCHB9796).

33. The binding ligand of claim 29, wherein said first binding region comprises an antigen binding region of an antibody that binds to a surface-expressed, surface-accessible or surface-localized component of intratumoral blood vessels of a vascularized tumor.

34. The binding ligand of claim 33, wherein said first binding region comprises an antigen binding region of an antibody that binds to a tumor vasculature cell surface receptor.

35. The binding ligand of claim 34, wherein said first binding region comprises an antigen binding region of an antibody that binds to an MHC Class II protein, a VEGF/VPF receptor, an FGF receptor, a TGF.beta. receptor, a TIE, VCAM-1, ICAM-1, P-selectin, E-selectin, .alpha..sub.v .beta..sub.3 integrin, pleiotropin, endosialin or endoglin.

36. The binding ligand of claim 35, wherein said first binding region comprises an antigen binding region of an antibody that binds to an MHC Class II protein.

37. The binding ligand of claim 35, wherein said first binding region comprises an antigen binding region of an antibody that binds to a VEGF/VPF receptor.

38. The binding ligand of claim 35, wherein said first binding region comprises an antigen binding region of an antibody that binds to VCAM-1.

39. The binding ligand of claim 35, wherein said first binding region comprises an antigen binding region of an antibody that binds to ICAM-1.

40. The binding ligand of claim 35, wherein said first binding region comprises an antigen binding region of an antibody that binds to P-selectin.

41. The binding ligand of claim 35, wherein said first binding region comprises an antigen binding region of an antibody that binds to E-selectin.

42. The binding ligand of claim 35, wherein said first binding region comprises an antigen binding region of an antibody that binds to endoglin.

43. The binding ligand of claim 42, wherein said first binding region comprises an antigen binding region of an antibody that binds to the same epitope as the monoclonal antibody TEC-4 (ATCC HB 12312).

44. The binding ligand of claim 43, wherein said first binding region comprises an antigen binding region of the monoclonal antibody TEC-4 (ATCC HB 12312).

45. The binding ligand of claim 42, wherein said first binding region comprises an antigen binding region of an antibody that binds to the same epitope as the monoclonal antibody TEC-11 (ATCC HB-12311).

46. The binding ligand of claim 45, wherein said first binding region comprises an antigen binding region of the monoclonal antibody TEC-11 (ATCC HB-12311).

47. The binding ligand of claim 33, wherein said first binding region comprises an antigen binding region of an antibody that binds to a ligand or growth factor that binds to a tumor vasculature cell surface receptor.

48. The binding ligand of claim 47, wherein said first binding region comprises an antigen binding region of an antibody that binds to VEGF/VPF, FGF, TGF.beta., a ligand that binds to a TIE, a tumor-associated fibronectin isoform, scatter factor, hepatocyte growth factor (HGF), platelet factor 4 (PF4), PDGF or TIMP.

49. The binding ligand of claim 48, wherein said first binding region comprises an antigen binding region of an antibody that binds to VEGF/VPF.

50. The binding ligand of claim 49, wherein said first binding region comprises an antigen binding region of an antibody that binds to the same epitope as the monoclonal antibody GV39 (ATCC HB 12450).

51. The binding ligand of claim 50, wherein said first binding region comprises an antigen binding region of the monoclonal antibody GV39 (ATCC HB 12450).

52. The binding ligand of claim 49, wherein said first binding region comprises an antigen binding region of an antibody that binds to the same epitope as the monoclonal antibody GV97 (ATCC HB 12451).

53. The binding ligand of claim 52, wherein said first binding region comprises an antigen binding region of the monoclonal antibody GV97 (ATCC HB 12451).

54. The binding ligand of claim 48, wherein said first binding region comprises an antigen binding region of an antibody that binds to FGF.

55. The binding ligand of claim 48, wherein said first binding region comprises an antigen binding region of an antibody that binds to TGF.beta..

56. The binding ligand of claim 33, wherein said first binding region comprises an antigen binding region of an antibody that binds to a ligand:receptor complex or a growth factor:receptor complex, but does not bind to the ligand or growth factor or to the receptor when the ligand or growth factor or the receptor is not in the ligand:receptor complex.

57. The binding ligand of claim 29, wherein said first binding region comprises an antigen binding region of an antibody that binds to a basement membrane component, tenascin, an activated platelet or an antigen inducible on a basement membrane component or activated platelet.

58. The binding ligand of claim 33, wherein said first binding region is operatively linked to a second antibody or antigen binding region thereof that binds to a Tissue Factor construct.

59. The binding ligand of claim 1, wherein said first binding region comprises a ligand or receptor that binds to a tumor cell, a component of tumor vasculature or a component of tumor stroma.

60. The binding ligand of claim 59, wherein said first binding region comprises VEGF/VPF, FGF, TGF.beta., a ligand that binds to a TIE, a tumor-associated fibronectin isoform, scatter factor, hepatocyte growth factor (HGF), platelet factor 4 (PF4), PDGF, TIMP or a soluble binding domain of a VEGF/VPF receptor.

61. The binding ligand of claim 60, wherein said first binding region comprises VEGF/VPF.

62. The binding ligand of claim 1, comprising a first antibody or antigen binding region of an antibody that binds to a tumor cell, a component of tumor-associated vasculature or a component of tumor-associated stroma; the first binding region operatively linked to a second antibody or antigen binding region of an antibody that binds to a Tissue Factor construct.

63. The binding ligand of claim 1, wherein said first binding region is operatively linked to said Tissue Factor construct or said second binding region via a covalent bond.

64. The binding ligand of claim 10, wherein said first binding region is operatively linked to said Tissue Factor construct or said second binding region via a cross-linker.

65. The binding ligand of claim 10, wherein said binding ligand is a fusion protein prepared by expressing a recombinant vector in a host cell, wherein the vector comprises, in the same reading frame, a DNA segment encoding said first binding region operatively linked to a DNA segment encoding said Tissue Factor construct or said second binding region.

66. The binding ligand of claim 1, dispersed in a pharmacologically acceptable medium.

67. A binding ligand comprising a first antibody or antigen binding region of an antibody that binds to a tumor cell, a component of tumor-associated vasculature or a component of tumor-associated stroma; the first binding region operatively linked to a Tissue Factor construct.

68. A binding ligand comprising a first antibody or antigen binding region of an antibody that binds to a tumor cell, a component of tumor-associated vasculature or a component of tumor-associated stroma; the first binding region operatively linked to a second antibody or antigen binding region of an antibody that binds to a Tissue Factor construct.

69. A bispecific antibody comprising:

(a) a first antibody or antigen binding region of an antibody that binds to a tumor cell, a component of tumor-associated vasculature or a component of tumor-associated stroma; the first antibody or antigen binding region operatively linked to

(b) a second antibody or antigen binding region of an antibody that binds to a Tissue Factor construct.

70. A binding ligand comprising a first binding region that binds to a surface-expressed, surface-accessible or surface-localized marker of intratumoral blood vessels of a vascularized tumor, the first binding region operatively linked to a Tissue Factor construct or to an antibody, or antigen binding region thereof, that binds to a Tissue Factor construct.

71. A binding ligand comprising a first antibody, or antigen binding region thereof, that binds to a surface-expressed surface-accessible or surface-localized marker of intratumoral blood vessels of a vascularized tumor, the first antibody or antigen binding region operatively linked to a Tissue Factor construct or to a second antibody, or antigen binding region thereof, that binds to a Tissue Factor construct.

72. The binding ligand of claim 71; wherein said first antibody, or antigen binding region thereof, is linked to a Tissue Factor construct.

73. The binding ligand of claim 71, wherein said first antibody, or antigen binding region thereof, is linked to a second antibody, or antigen binding region thereof, that binds to a Tissue Factor construct.

74. A Tissue Factor construct comprising an operatively linked first, second and third Tissue Factor construct or truncated Tissue Factor construct.

75. The Tissue Factor construct of claim 74, comprising about five operatively linked Tissue Factor or truncated Tissue Factor constructs.

76. The Tissue Factor construct of claim 75, comprising about ten operatively linked Tissue Factor or truncated Tissue Factor constructs.

77. The Tissue Factor construct of claim 76, comprising about twenty operatively linked Tissue Factor or truncated Tissue Factor constructs.

78. The Tissue Factor construct of claim 74, comprising at least one truncated Tissue Factor.

79. The Tissue Factor construct of claim 78, wherein said truncated Tissue Factor comprises amino acids 1 to about 219 of the mature Tissue Factor protein.

80. The Tissue Factor construct of claim 78, wherein said truncated Tissue Factor has the amino acid sequence of SEQ ID NO:23.

81. The Tissue Factor construct of claim 78, comprising a truncated Tissue Factor that includes a hydrophobic membrane insertion moiety.

82. The Tissue Factor construct of claim 81, comprising a truncated Tissue Factor that includes a stretch of between about 3 and about 20 hydrophobic amino acids.

83. The Tissue Factor construct of claim 82, comprising a truncated Tissue Factor that includes a stretch of hydrophobic amino acids located at the N- or C-terminus of the truncated Tissue Factor.

84. The Tissue Factor construct of claim 81, comprising a truncated Tissue Factor that includes a fatty acid.

85. The Tissue Factor construct of claim 81, comprising two truncated Tissue Factors, each of which includes a hydrophobic membrane insertion moiety.

86. The Tissue Factor construct of claim 78, comprising a truncated Tissue Factor modified to contain a terminal cysteine residue.

87. The Tissue Factor construct of claim 86, comprising two truncated Tissue Factors, each of which is modified to contain a terminal cysteine residue.

88. The Tissue Factor construct of claim 86, further comprising an antibody or an antigen binding region of an antibody operatively linked to said cysteine residue.

89. The Tissue Factor construct of claim 78, comprising a truncated Tissue Factor modified to contain a selectively cleavable peptide linker.

90. The Tissue Factor construct of claim 89, wherein said selectively cleavable peptide linker includes a cleavage site for urokinase, plasmin, Thrombin, Factor IXa, Factor Xa or a metalloproteinase.

91. The Tissue Factor construct of claim 90, wherein said selectively cleavable peptide linker includes a cleavage site for an interstitial collagenase, a gelatinase or a stromelysin.

92. The Tissue Factor construct of claim 89, further comprising an antibody or an antigen binding region of an antibody operatively linked to said selectively cleavable peptide linker.

93. The Tissue Factor construct of claim 67, comprising an operatively linked series of units in the sequence: a cysteine residue, a selectively cleavable peptide linker, a stretch of hydrophobic amino acids, a first truncated Tissue Factor, a second truncated Tissue Factor, and a third truncated Tissue Factor.

94. The Tissue Factor construct of claim 93, further comprising an antibody or an antigen binding region of an antibody operatively linked to said cysteine residue.

95. The Tissue Factor construct of claim 93, comprising an operatively linked series of units in the sequence: a cysteine residue, a selectively cleavable peptide linker, a first stretch of hydrophobic amino acids, a first truncated Tissue Factor, a second truncated Tissue Factor, a third truncated Tissue Factor and a second stretch of hydrophobic amino acids.

96. The Tissue Factor construct of claim 95, comprising an operatively linked series of units in the sequence: a first cysteine residue, a selectively cleavable peptide linker, a first stretch of hydrophobic amino acids, a first truncated Tissue Factor, a second truncated Tissue Factor, a third truncated Tissue Factor, a second stretch of hydrophobic amino acids and a second cysteine residue or a second a selectively cleavable peptide linker.

97. The Tissue Factor construct of claim 96, comprising an antibody or an antigen binding region of an antibody operatively linked to said first or second cysteine residue.

98. A Tissue Factor construct comprising a first Tissue Factor or truncated Tissue Factor construct operatively linked to a second Tissue Factor or truncated Tissue Factor construct wherein at least one of said Tissue Factor or truncated Tissue Factor constructs is a mutant Tissue Factor deficient in the ability to activate Factor VII.

99. The Tissue Factor construct of claim 98, comprising a Tissue Factor that includes a mutation in the amino acid region between about position 157 and about position 167.

100. The Tissue Factor construct of claim 99, comprising a mutant Tissue Factor wherein Trp at position 158 is changed to Arg; wherein Ser at position 162 is changed to Ala; wherein Gly at position 164 is changed to Ala; or wherein Trp at position 158 is changed to Arg and Ser at position 162 is changed to Ala.

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