DEVICES AND METHODS FOR DELIVERING POLYNUCLEOTIDES INTO RETINAL CELLS OF THE MACULA AND FOVEA

• US 20100081707A1
• Filed: 02/20/2009
• Published: 04/01/2010
• Est. Priority Date: 02/21/2008
• Status: Abandoned Application

• Current Assignee: James W.B. Bainbridge, Robin R. Ali
• Original Assignee: James W.B. Bainbridge, Robin R. Ali
• Inventors: Ali, Robin R., Bainbridge, James W.B.
• Application Number:
  US12/390,239
• Publication Number:
  US 20100081707A1
• Time in Patent Office: Days
• US Class Current: 514/44.R
• CPC Class Codes: A61F 9/0017 implantable in, or in contact with, the eye, e.g. ocular inserts
• CPC Class Codes: A61K 48/0075 characterised by an aspect of the delivery route, e.g. oral, subcutaneous
• CPC Class Codes: A61K 9/0048 Eye, e.g. artificial tears
• CPC Class Codes: A61M 2210/0612 Eyes
• CPC Class Codes: A61M 5/1452 pressurised by means of pistons
• CPC Class Codes: A61M 5/20 Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically A61M5/142 , A61M5/46 take precedence; hypodermic projectiles F42B12/54
• CPC Class Codes: A61M 5/329 characterised by features of the needle shaft
• CPC Class Codes: A61P 27/02 Ophthalmic agents
• CPC Class Codes: C07K 14/4702 Regulators; Modulating activity
• CPC Class Codes: C12N 2799/025 where the vector is derived from a parvovirus
• CPC Class Codes: C12N 2799/04 in vivo
• CPC Class Codes: C12N 2830/008 cell type or tissue specific enhancer/promoter combination

Abstract

Methods and systems for the delivery of polynucleotides to the subretinal space of the macula or fovea of an eye of a human are provided. The methods and systems are useful for treating ocular disorders.

Claims

1. A system for subretinal delivery of a vector to an eye of a human, comprising:

(a) a fine-bore cannula, wherein the fine bore cannula is 27 to 45 gauge;

(b) a syringe; and

(c) greater than about 0.8 ml of a suspension comprising an effective amount of the vector;

wherein the vector comprises a polynucleotide encoding a therapeutic polypeptide or therapeutic RNA under the control of a promoter suitable for expression of the therapeutic polypeptide or therapeutic RNA in one or more central retina cell types; and

wherein the vector is useful for treatment of an ocular disorder when administered to the subretinal space of the central retina of the eye.

2. The system of claim 1, wherein the suspension is contained within the syringe.

3. The system of claim 1, wherein the cannula is attached to the syringe.

4. The system of claim 2, wherein the syringe is an Accurus®

system syringe.

5. The system of claim 1, further comprising an automated injection pump.

6. The system of claim 5, wherein the automated injection pump is activated by a foot pedal.

7. The system of claim 5, wherein the syringe is inserted into the automated injection pump.

8. The system of claim 1, comprising at least about 0.9 ml of the suspension.

9. The system of claim 1, comprising at least about 1.0 ml of the suspension.

10. The system of claim 1, comprising at least about 1.5 ml of the suspension.

11. The system of claim 1, comprising at least about 2.0 ml of the suspension.

12. The system of claim 1, comprising about 0.8 to about 3.0 ml of the suspension.

13. The system of claim 12, comprising about 0.8 to about 2.5 ml of the suspension.

14. The system of claim 13, comprising about 0.8 to about 2.0 ml of the suspension.

15. The system of claim 14, comprising about 0.8 to about 1.5 ml of the suspension.

16. The system of claim 15, comprising about 0.8 to about 1.0 ml of the suspension.

17. The system of claim 1, comprising about 1.0 to about 3.0 ml of the suspension.

18. The system of claim 17, comprising about 1.0 to about 2.0 ml of the suspension.

19. The system of claim 1, wherein the concentration of the vector in the suspension is about 1×

10⁶ DRP/ml to about 1×

10¹⁴ DRP/ml.

20. The system of claim 19, wherein the concentration of the vector in the suspension is about 1×

10¹¹ DRP/ml.

21. The system of claim 20, wherein the suspension further comprises a therapeutic agent.

22. The system of claim 21, wherein the therapeutic agent is a neurotrophic factor, an anti-angiogenic factor, an anti-angiogenic polynucleotide, an anti-angiogenic morpholino, or an anti-angiogenic antibody or antigen-binding fragment thereof.

23. The system of claim 1, wherein the fine-bore cannula is 35-41 gauge.

24. The system of claim 23, wherein the fine-bore cannula is 40 or 41 gauge.

25. The system of claim 24, wherein the fine-bore cannula is 41-gauge.

26. The system of claim 1, wherein the vector is a recombinant adeno-associated virus (AAV) vector.

27. The system of claim 26, wherein the recombinant AAV vector is an AAV2, AAV4, AAV5, or AAV8 vector.

28. The system of claim 26, wherein the recombinant AAV vector is a pseudotyped AAV vector or chimeric AAV vector.

29. The system of claim 26, wherein the recombinant AAV vector comprises a mixture of AAV serotypes, pseudotypes, or chimeric vectors.

30. The system of claim 1, wherein the vector is selected from the group consisting of adenoviral, HSV, and lentiviral vectors.

31. The system of claim 30, wherein the vector is a lentiviral vector.

32. The system of claim 31, wherein the lentiviral vector is selected from the group consisting of HIV-1, HIV-2, SIV, FIV and EIAV.

33. The system of claim 1, wherein the polynucleotide is selected to replace a mutated gene known to cause retinal disease.

34. The system of claim 33, wherein the polynucleotide comprises a sequence encoding a polypeptide selected from the group consisting of:

Prph2, RPE65, MERTK, RPGR, RP2, RPGRIP, CNGA3, CNGB3, and GNAT2.

35. The system of claim 34, wherein the polynucleotide is RPE65.

36. The system of claim 35, wherein the polynucleotide is hRPE65.

37. The system of claim 34, wherein the polynucleotide encodes the polypeptide RPE65.

38. The system of claim 37, wherein the polynucleotide encodes the polypeptide hRPE65.

39. The system of claim 1, wherein the polynucleotide comprises a sequence encoding a polypeptide selected from the group consisting of a neurotrophic factor, an anti-apoptotic factor, an anti-angiogenic factor, and an anti-inflammatory factor.

40. The system of claim 39, wherein the polynucleotide comprises a sequence encoding a polypeptide selected from the group consisting of GDNF, CNTF, FGF2, PEDF, EPO, BCL2, BCL-X, NFκ

B, Endostatin, Angiostatin, sFlt, IL10, IL1-ra, TGFβ

, and IL4.

41. The system of claim 1, wherein the polynucleotide comprises a sequence encoding a therapeutic RNA.

42. The system of claim 36, wherein the polynucleotide is under the control of a promoter sequence, and the promoter sequence is hRPE65 promoter (hRPEp).

43. The system of claim 36, wherein the vector is AAV2/2.hRPE65p.hRPE65 (SEQ ID NO:

1).

44. The system of claim 43, wherein the vector is useful for transducing retinal pigment epithelial cells.

45. The system of claim 44, wherein the vector is useful for transducing photoreceptor cells.

127. A kit comprising the system of claim 1, and instructions for use.

128. The kit of claim 127, wherein the instructions for use comprise instructions for performing a method for treating an ocular disorder comprising:

administering to the subretinal space of the central retina in an eye of a human in need thereof an effective amount of a vector;

wherein the vector is useful for treatment of the ocular disorder when administered to the subretinal space of the central retina of the eye.

46. A system for subretinal delivery of a vector to an eye of a human, comprising:

(a) a fine-bore cannula, wherein the fine bore cannula is 27 to 45 gauge;

(b) a first syringe comprising a first fluid suitable for subretinal injection to the eye; and

(c) a second syringe comprising a second fluid comprising an effective amount of the vector;

wherein the total volume of the first and the second fluids in combination is about 0.5 ml to about 3.0 ml;

wherein the vector comprises a polynucleotide encoding a therapeutic polypeptide or therapeutic RNA under the control of a promoter suitable for expression of the therapeutic polypeptide or therapeutic RNA in one or more central retina cell types; and

wherein the vector is useful for treatment of an ocular disorder when administered to the subretinal space of the central retina of the eye.

47. The system of claim 46, wherein the first and second syringes are Accurus®

system syringes.

48. The system of claim 46, further comprising an automated injection pump.

49. The system of claim 48, wherein the automated injection pump is activated by a foot pedal.

50. The system of claim 46, wherein the total volume of the first and the second fluids in combination is about 0.8 to about 3.0 ml.

51. The system of claim 50, wherein the total volume of the first and the second fluids in combination is about 0.9 to about 3.0 ml.

52. The system of claim 51, wherein the total volume of the first and the second fluids in combination is about 1.0 to about 3.0 ml.

53. The system of claim 46, wherein the volume of the first fluid is about 0.1 to about 0.5 ml.

54. The system of claim 46, wherein the volume of the second fluid is about 0.5 to about 3.0 ml.

55. The system of claim 54, wherein the volume of the second fluid is about 0.8 to about 3.0 ml.

56. The system of claim 55, wherein the volume of the second fluid is about 0.9 to about 3.0 ml.

57. The system of claim 56, wherein the volume of the second fluid is about 1.0 to about 3.0 ml.

58. The system of claim 46, wherein the concentration of the vector in the second fluid is about 1×

10⁶ DRP/ml to about 1×

10¹⁴ DRP/ml.

59. The system of claim 58, wherein the concentration of the vector in the second fluid is about 1×

10¹¹ DRP/ml.

60. The system of claim 46, wherein the first or the second fluid further comprises a therapeutic agent.

61. The system of claim 60, wherein the therapeutic agent is a neurotrophic factor, an anti-angiogenic factor, an anti-angiogenic polynucleotide, an anti-angiogenic morpholino, or an anti-angiogenic antibody or antigen-binding fragment thereof.

62. The system of claim 46, wherein the first fluid is saline.

63. The system of claim 46, wherein the fine-bore cannula is 35-41 gauge.

64. The system of claim 63, wherein the fine-bore cannula is 40 or 41 gauge.

65. The system of claim 64, wherein the fine-bore cannula is 41-gauge.

66. The system of claim 46, wherein the vector is a recombinant adeno-associated virus (AAV) vector.

67. The system of claim 66, wherein the recombinant AAV vector is an AAV2, AAV4, AAV5, or AAV8 vector.

68. The system of claim 66, wherein the recombinant AAV vector is a pseudotyped AAV vector or chimeric AAV vector.

69. The system of claim 66, wherein the recombinant AAV vector comprises a mixture of AAV serotypes, pseudotypes, or chimeric vectors.

70. The system of claim 46, wherein the vector is selected from the group consisting of adenoviral, HSV, and lentiviral vectors.

71. The system of claim 70, wherein the vector is a lentiviral vector.

72. The system of claim 71, wherein the lentiviral vector is selected from the group consisting of HIV-1, HIV-2, SIV, FIV and EIAV.

73. The system of claim 46, wherein the polynucleotide is selected to replace a mutated gene known to cause retinal disease.

74. The system of claim 73, wherein the polynucleotide comprises a sequence encoding a polypeptide selected from the group consisting of:

Prph2, RPE65, MERTK, RPGR, RP2, RPGRIP, CNGA3, CNGB3, and GNAT2.

75. The system of claim 74, wherein the polynucleotide is RPE65.

76. The system of claim 75, wherein the polynucleotide is hRPE65.

77. The system of claim 74, wherein the polynucleotide encodes the polypeptide RPE65.

78. The system of claim 77, wherein the polynucleotide encodes the polypeptide hRPE65.

79. The system of claim 46, wherein the polynucleotide comprises a sequence encoding a polypeptide selected from the group consisting of a neurotrophic factor, an anti-apoptotic factor, an anti-angiogenic factor, and an anti-inflammatory factor.

80. The system of claim 79, wherein the polynucleotide comprises a sequence encoding a polypeptide selected from the group consisting of GDNF, CNTF, FGF2, PEDF, EPO, BCL2, BCL-X, NFκ

B, Endostatin, Angiostatin, sFlt, IL10, IL1-ra, TGFβ

, and IL4.

81. The system of claim 46, wherein the polynucleotide comprises a sequence encoding a therapeutic RNA.

82. The system of claim 76, wherein the polynucleotide is under the control of a promoter sequence, and the promoter sequence is hRPE65 promoter (hRPEp).

83. The system of claim 76, wherein the vector is AAV2/2.hRPE65p.hRPE65 (SEQ ID NO:

1).

84. The system of claim 83, wherein the vector is useful for transducing retinal pigment epithelial cells.

85. The system of claim 83, wherein the vector is useful for transducing photoreceptor cells.

129. A kit comprising the system of claim 46, and instructions for use.

130. The kit of claim 129, wherein the instructions for use comprise instructions for performing a method for treating an ocular disorder comprising:

administering to the subretinal space of the central retina in an eye of a human in need thereof an effective amount of a vector;

wherein the vector is useful for treatment of the ocular disorder when administered to the subretinal space of the central retina of the eye.

86. A method for treating an ocular disorder, comprising:

administering to the subretinal space of the central retina in an eye of a human in need thereof an effective amount of a vector;

wherein the vector is useful for treatment of the ocular disorder when administered to the subretinal space of the central retina of the eye.

87. The method of claim 86, wherein the vector comprises a polynucleotide encoding a therapeutic polypeptide or therapeutic RNA;

and wherein the polynucleotide is under the control of a promoter suitable for expression of the therapeutic polypeptide or therapeutic RNA in one or more central retina cell types.

88. The method of claim 87, wherein one or more cells in contact with the subretinal space of the central retina are transduced by the vector and express the therapeutic polypeptide or therapeutic RNA encoded by the polynucleotide.

89. The method of claim 87, wherein one or more cells in contact with the subretinal space of the outer macula are transduced by the vector and express the therapeutic polypeptide or therapeutic RNA encoded by the polynucleotide.

90. The method of claim 87, wherein one or more cells in contact with the subretinal space of the inner macula are transduced by the vector and express the therapeutic polypeptide or therapeutic RNA encoded by the polynucleotide.

91. The method of claim 87, wherein one or more cells in contact with the subretinal space of the fovea are transduced by the vector and express the therapeutic polypeptide or therapeutic RNA encoded by the polynucleotide.

92. The method of claim 87, wherein the one or more cells are retinal pigment epithelial cells.

93. The method of claim 87, wherein the one or more cells are photoreceptor cells.

94. The method of claim 87, wherein the polynucleotide comprises a sequence encoding a therapeutic polypeptide.

95. The method of claim 87, wherein the polynucleotide comprises a sequence encoding a therapeutic RNA.

96. The method of claim 86, wherein the vector is administered to the outer macula.

97. The method of claim 96, wherein the vector is administered to the inner macula.

98. The method of claim 97, wherein the vector is administered to the fovea.

99. The method of claim 98, wherein the method does not significantly adversely affect central retinal function or central retinal structure.

100. The method of claim 99, wherein the ocular disorder is selected from the group consisting of:

autosomal recessive severe early-onset retinal degeneration (Leber'"'"'s Congenital Amaurosis), congenital achromatopsia, Stargardt'"'"'s disease, Best'"'"'s disease, Doyne'"'"'s disease, cone dystrophy, retinitis pigmentosa, X-linked retinoschisis, Usher'"'"'s syndrome, atrophic age related macular degeneration, neovascular AMD, diabetic maculopathy, proliferative diabetic retinopathy (PDR), cystoid macular oedema, central serous retinopathy, retinal detachment, intra-ocular inflammation, and posterior uveitis.

101. The method of claim 100, wherein the ocular disorder is autosomal recessive severe early-onset retinal degeneration (Leber'"'"'s Congenital Amaurosis).

102. The method of claim 101, wherein the method is effective in treating the human'"'"'s visual function.

103. The method of claim 102, wherein visual function is assessed by microperimetry, dark-adapted perimetry, assessment of visual mobility, visual acuity, ERG, or reading assessment.

104. The method of claim 102, wherein visual function is assessed by microperimetry, dark-adapted perimetry, or assessment of visual mobility.

105. The method of claim 102, wherein the method results in an improvement in the human'"'"'s visual function.

106. The method of claim 102, wherein the method results in the prevention of or a slowing of the progression of decline of the human'"'"'s visual function due to progression of the ocular disorder.

107. The method of claim 86, wherein the vector is a recombinant adeno-associated virus (AAV) vector.

108. The method of claim 107, wherein the recombinant AAV vector is an AAV2, AAV4, AAV5, or AAV8 vector.

109. The method of claim 107, wherein the recombinant AAV vector is a pseudotyped AAV vector or chimeric AAV vector.

110. The method of claim 107, wherein the recombinant AAV vector comprises a mixture of AAV serotypes, pseudotypes, or chimeric vectors.

111. The method of claim 87, wherein the polynucleotide is selected to replace a mutated gene known to cause retinal disease.

112. The method of claim 111, wherein the polynucleotide encodes a sequence encoding a polypeptide selected from the group consisting of:

Prph2, RPE65, MERTK, RPGR, RP2, RPGRIP, CNGA3, CNGB3, and GNAT2.

113. The method of claim 112, wherein the polynucleotide is RPE65.

114. The method of claim 113, wherein the polynucleotide is hRPE65.

115. The method of claim 112, wherein the polynucleotide encodes the polypeptide RPE65.

116. The method of claim 115, wherein the polynucleotide encodes the polypeptide hRPE65.

117. The method of claim 87, wherein the polynucleotide comprises a sequence encoding a polypeptide selected from the group consisting of a neurotrophic factor, an anti-apoptotic factor, an anti-angiogenic factor, and an anti-inflammatory factor.

118. The method of claim 117, wherein the polynucleotide comprises a sequence encoding a polypeptide selected from the group consisting of GDNF, CNTF, FGF2, PEDF, EPO, BCL2, BCL-X, NFκ

B, Endostatin, Angiostatin, sFlt, IL10, IL1-ra, TGFβ

, and IL4.

119. The method of claim 87, wherein the polynucleotide comprises a sequence encoding a therapeutic RNA.

120. The method of claim 114, wherein the polynucleotide is under the control of a promoter sequence, and the promoter sequence is hRPE65 promoter (hRPEp).

121. The method of claim 114, wherein the vector is AAV2/2.hRPE65p.hRPE65 (SEQ ID NO:

1).

122. The method of claim 87, further comprising administering a therapeutic agent to the subretinal space of the central retina of the eye.

123. The method of claim 122, wherein the therapeutic agent is a neurotrophic factor, an anti-angiogenic factor, an anti-angiogenic polynucleotide, an anti-angiogenic morpholino, or an anti-angiogenic antibody or antigen-binding fragment thereof.

124. The method of claim 87, comprising administering to the human about 0.5 ml to about 3.0 ml of a suspension comprising the vector.

125. The method of claim 124, comprising administering to the human about 0.8 ml to about 3.0 ml of a suspension comprising the vector.

126. The method of claim 125, comprising administering to the human about 0.9 ml to about 3.0 ml of a suspension comprising the vector.