Therapeutic compositions that alter the immune response
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61K-039/00
A61K-039/395
출원번호
US-0376604
(1999-08-18)
등록번호
US-7318921
(2008-01-15)
발명자
/ 주소
Madiyalakan,Ragupathy
Noujaim,Antoine
Schultes,Birgit
Baum,Richard
출원인 / 주소
AltaRex Medical Corp.
대리인 / 주소
Ropes & Gray LLP
인용정보
피인용 횟수 :
0인용 특허 :
19
초록
The invention is therapeutic methods and compositions that alter the immunogenicity of the host.
대표청구항▼
We claim: 1. A method for inducing a therapeutic host immune response against a multi-epitopic in vivo antigen that does not elicit an effective host immune response, the method comprising: contacting in vivo a multi-epitopic antigen selected from the group consisting of CA 125, CA 19.9, CA 15.3 an
We claim: 1. A method for inducing a therapeutic host immune response against a multi-epitopic in vivo antigen that does not elicit an effective host immune response, the method comprising: contacting in vivo a multi-epitopic antigen selected from the group consisting of CA 125, CA 19.9, CA 15.3 and PSA present in a host's serum with a composition comprising a non-radiolabeled antibody or antigen binding fragment thereof that specifically binds to a first epitope on the multi-epitopic in vivo antigen, whereby the antibody or antigen binding fragment thereof forms an immune complex with the antigen, and whereby an effective host T cell response against the antigen in the immune complex is elicited. 2. A method for inducing a therapeutic host immune response against a multi-epitopic in vivo antigen that does not elicit an effective host immune response, the method comprising: contacting in vivo a multi-epitopic antigen selected from the group consisting of CA 125, CA 19.9, CA 15.3 and PSA present in a host's serum with a composition comprising a non-radiolabeled antibody or antigen binding fragment thereof that specifically binds to an epitope on the multi-epitopic in vivo antigen, whereby the antibody or antigen binding fragment thereof forms an immune complex with the antigen, and whereby an effective host humoral immune response against a second epitope of the multi-epitopic in vivo antigen is elicited. 3. A method for inducing a therapeutic host immune response against a multi-epitopic in vivo antigen that does not elicit an effective host immune response, the method comprising: contacting in vivo a multi-epitopic antigen selected from the group consisting of CA 125, CA 19.9, CA 15.3 and PSA present in a host's serum with a composition comprising a non-radiolabeled antibody or antigen binding fragment thereof that specifically binds to an epitope on the multi-epitopic in vivo antigen, whereby the antibody or antigen binding fragment thereof forms an immune complex with the antigen, and whereby an effective host T cell response against the antigen in the immune complex and an effective humoral immune response against a second epitope of the multi-epitopic in vivo antigen is elicited. 4. The method of claim 1, wherein the antigen is CA 125. 5. The method of claim 4, wherein the antigen CA 125 is present in the host's serum at levels greater than 100 U/ml. 6. The method of claim 4, wherein the host has ovarian cancer. 7. The method of claim 4, wherein the antibody is B43.13 which is producible by a hybridoma having ATCC deposit number PTA-1883, or an antigen binding fragment of said antibody. 8. The method of claim 1, wherein the antigen is CA 19.9. 9. The method of claim 8, wherein the host has gastrointestinal cancer. 10. The method of claim 8, wherein the host suffers from inflammation. 11. The method of claim 8, wherein the antibody is Alt-3 which is producible by a hybridoma having ATCC deposit number PTA-2691, or an antigen binding fragment of said antibody. 12. The method of claim 8, wherein the antibody is Alt-4 which is producible by a hybridoma having ATCC deposit number PTA-2692, or an antigen binding fragment of said antibody. 13. The method of claim 1, wherein the antigen is CA 15.3. 14. The method of claim 13, wherein the host has breast cancer. 15. The method of claim 1, wherein the antigen is PSA. 16. The method of claim 15, wherein the host has prostate cancer. 17. The method of claim 15, wherein the antibody is AR47.47 which is producible by a hybridoma having ATCC deposit number HB-12526, or an antigen binding fragment of said antibody. 18. The method of claim 1, wherein the antibody or antigen binding fragment thereof is present in the composition in an amount of from 0.1 μg to 200 μg per kg of body weight of the host. 19. The method of claim 1, wherein the antibody or antigen binding fragment thereof is formulated for administration to the host at a dose of about 2 mg per host. 20. The method according to claim 1, wherein the antibody or antigen binding fragment thereof is selected from the group consisting of a chimeric monoclonal antibody, a genetically engineered antibody, a Fab fragment, a F(ab')2 fragment, a single chain antibody, and a single chain antibody fragment. 21. The method of claim 1, wherein the composition comprises one or more adjuvants, one or more carriers, one or more excipients, one or more stabilizers, one or more pharmaceutically acceptable carriers and/or physiologically acceptable saline. 22. The method of claim 1, wherein contacting comprises administering by intravenous, subcutaneous, intraperitoneal, intradermal, intramuscular, or intralymphatic routes. 23. The method of claim 1, wherein contacting comprises administering the composition in solution, tablet, or aerosol form. 24. The method of claim 2, wherein the antigen is CA 125. 25. The method of claim 24, wherein the antigen CA 125 is present in the host's serum at levels greater than 100 U/ml. 26. The method of claim 24, wherein the host has ovarian cancer. 27. The method of claim 24, wherein the antibody is B43.13 which is producible by a hybridoma having ATCC deposit number PTA-1883, or an antigen binding fragment of said antibody. 28. The method of claim 2, wherein the antigen is CA 19.9. 29. The method of claim 28, wherein the host has gastrointestinal cancer. 30. The method of claim 28, wherein the host suffers from inflammation. 31. The method of claim 28, wherein the antibody is Alt-3 which is producible by a hybridoma having ATCC deposit number PTA-2691, or an antigen binding fragment of said antibody. 32. The method of claim 28, wherein the antibody is Alt-4 which is producible by a hybridoma having ATCC deposit number PTA-2692, or an antigen binding fragment of said antibody. 33. The method of claim 2, wherein the antigen is CA 15.3. 34. The method of claim 33, wherein the host has breast cancer. 35. The method of claim 2, wherein the antigen is PSA. 36. The method of claim 35, wherein the host has prostate cancer. 37. The method of claim 35, wherein the antibody is AR47.47 which is producible by a hybridoma having ATCC deposit number HB-12526, or an antigen binding fragment of said antibody. 38. The method of claim 2, wherein the antibody or antigen binding fragment thereof is present in the composition in an amount of from 0.1 μg to 200 μg per kg of body weight of the host. 39. The method of claim 2, wherein the antibody or antigen binding fragment thereof is formulated for administration to the host at a dose of about 2 mg per host. 40. The method according to claim 2, wherein the antibody or antigen binding fragment thereof is selected from the group consisting of a chimeric monoclonal antibody, a genetically engineered antibody, a Fab fragment, a F(ab')2 fragment, a single chain antibody, and a single chain antibody fragment. 41. The method of claim 2, wherein the composition comprises one or more adjuvants, one or more carriers, one or more excipients, one or more stabilizers, one or more pharmaceutically acceptable carriers and/or physiologically acceptable saline. 42. The method of claim 2, wherein contacting comprises administering by intravenous, subcutaneous, intraperitoneal, intradermal, intramuscular, or intralymphatic routes. 43. The method of claim 2, wherein contacting comprises administering the composition in solution, tablet, or aerosol form. 44. The method of claim 3, wherein the antigen is CA 125. 45. The method of claim 44, wherein the antigen CA 125 is present in the host's serum at levels greater than 100 U/mi. 46. The method of claim 44, wherein the host has ovarian cancer. 47. The method of claim 42, wherein the antibody is B43.13 which is producible by a hybridoma having ATCC deposit number PTA-1883, or an antigen binding fragment of said antibody. 48. The method of claim 3, wherein the antigen is CA 19.9. 49. The method of claim 48, wherein the host has gastrointestinal cancer. 50. The method of claim 48, wherein the host suffers from inflammation. 51. The method of claim 48, wherein the antibody is Alt-3 which is producible by a hybridoma having ATCC deposit number PTA-2691, or an antigen binding fragment of said antibody. 52. The method of claim 48, wherein the antibody is Alt-4 which is producible by a hybridoma having ATCC deposit number PTA-2692, or an antigen binding fragment of said antibody. 53. The method of claim 3, wherein the antigen is CA 15.3. 54. The method of claim 53, wherein the host has breast cancer. 55. The method of claim 3, wherein the antigen is PSA. 56. The method of claim 55, wherein the host has prostate cancer. 57. The method of claim 55, wherein the antibody is AR47.47 which is producible by a hybridoma having ATCC deposit number HB-12526, or an antigen binding fragment of said antibody. 58. The method of claim 3, wherein the antibody or antigen binding fragment thereof is present in the composition in an amount of from 0.1 μg to 200 μg per kg of body weight of the host. 59. The method of claim 3, wherein the antibody or antigen binding fragment thereof is formulated for administration to the host at a dose of about 2 mg per host. 60. The method according to claim 3, wherein the antibody or antigen binding fragment thereof is selected from the group consisting of a chimeric monoclonal antibody, a genetically engineered antibody, a Fab fragment, a F(ab')2 fragment, a single chain antibody, and a single chain antibody fragment. 61. The method of claim 3, wherein the composition comprises one or more adjuvants, one or more carriers, one or more excipients, one or more stabilizers, one or more pharmaceutically acceptable carriers and/or physiologically acceptable saline. 62. The method of claim 3, wherein contacting comprises administering by intravenous, subcutaneous, intraperitoneal, intradermal, intramuscular, or intralymphatic routes. 63. The method of claim 3, wherein contacting comprises administering the composition in solution, tablet, or aerosol form. 64. The method of claim 1, wherein said non-radiolabeled antibody or antigen binding fragment thereof comprises an Fc portion that binds an FcγRII receptor. 65. The method of claim 1, wherein the antibody is an IgG1 antibody or an antigen-binding fragment thereof. 66. The method of claim 3, wherein said non-radiolabeled antibody or antigen binding fragment thereof comprises an Fc portion that binds an FcγRII receptor. 67. The method of claim 3, wherein the antibody is an IgG1 antibody or an antigen-binding fragment thereof. 68. The method of claim 1, wherein the multi-epitopic in vivo antigen is CA 125, and the first epitope on the multi-epitopic in vivo antigen is the epitope bound by an antibody produced by the hybridoma having ATCC deposit number PTA-1883. 69. The method of claim 2, wherein the multi-epitopic in vivo antigen is CA 125, and the epitope on the multi-epitopic in vivo antigen is the epitope bound by an antibody produced by the hybridoma having ATCC deposit number PTA-1883. 70. The method of claim 3, wherein the multi-epitopic in vivo antigen is CA 125, and the epitope on the multi-epitopic in vivo antigen is the epitope bound by an antibody produced by the hybridoma having ATCC deposit number PTA-1883. 71. The method of claim 1, wherein the antibody or antigen binding fragment thereof is specific for a single epitope. 72. The method of claim 71, wherein the antibody or antigen binding fragment thereof is selected from the group consisting of a chimeric monoclonal antibody, a genetically engineered antibody, a Fab fragment, a F(ab')2 fragment, a single chain antibody, and a single chain antibody fragment. 73. The method of claim 2, wherein the antibody or antigen binding fragment thereof is specific for a single epitope. 74. The method of claim 73, wherein the antibody or antigen binding fragment thereof is selected from the group consisting of a chimeric monoclonal antibody, a genetically engineered antibody, a Fab fragment, a F(ab')2 fragment, a single chain antibody, and a single chain antibody fragment. 75. The method of claim 3, wherein the antibody or antigen binding fragment thereof is specific for a single epitope. 76. The method of claim 75, wherein the antibody or antigen binding fragment thereof is selected from the group consisting of a chimeric monoclonal antibody, a genetically engineered antibody, a Fab fragment, a F(ab')2 fragment, a single chain antibody, and a single chain antibody fragment.
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