Modified protein kinase A-specific oligonucleotides and methods of their use
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01N-043/04
A01N-043/02
A61K-031/70
C07H-021/04
C07H-021/00
C12N-005/02
C12N-005/00
출원번호
US-0412947
(1999-10-05)
발명자
/ 주소
Agrawal,Sudhir
출원인 / 주소
Idera Pharmaceuticals, Inc.
대리인 / 주소
Wilmer Cutler Pickering Hale and Dorr LLP
인용정보
피인용 횟수 :
7인용 특허 :
15
초록▼
Disclosed are synthetic, modified oligonucleotides complementary to, and capable of down-regulating the expression of, nucleic acid encoding protein kinase A subunit RIα. The modified oligonucleotides have from about 15 to about 30 nucleotides and are hybrid, inverted hybrid, or inverted chimer
Disclosed are synthetic, modified oligonucleotides complementary to, and capable of down-regulating the expression of, nucleic acid encoding protein kinase A subunit RIα. The modified oligonucleotides have from about 15 to about 30 nucleotides and are hybrid, inverted hybrid, or inverted chimeric oligonucleotides. Also disclosed are therapeutic compositions containing such oligonucleotides and methods of using the same. In addition, therapeutic compositions and methods of their use are described which are directed to a synergistic effect resulting from the combination of oligonucleotides of the invention and other therapeutic compositions and methods.
대표청구항▼
What is claimed is: 1. A method for inhibiting proliferation of cancer cells comprising: (a) administering to the cells a first therapeutic agent comprising a synthetic, modified antisense oligonucleotide fully complementary to at least 15 consecutive nucleotides of nucleic acid sequence GCCAGTGAGG
What is claimed is: 1. A method for inhibiting proliferation of cancer cells comprising: (a) administering to the cells a first therapeutic agent comprising a synthetic, modified antisense oligonucleotide fully complementary to at least 15 consecutive nucleotides of nucleic acid sequence GCCAGTGAGGAGGCACGC (SEQ ID NO:11) encoding N-terminal codons 8-13 of protein kinase A subunit RIα, and wherein the oligonucleotide is a hybrid, inverted hybrid, or inverted chimeric oligonucleotide, the hybrid oligonucleotide comprising a region of at least two deoxyribonucleotides, flanked by 3' and 5' flanking ribonucleotide regions each having at least four ribonucleotides, the inverted hybrid oligonucleotide comprising a region of at least four ribonucleotides flanked by 3' and 5' flanking deoxyribonucleotide regions of at least two deoxyribonucleotides, and the inverted chimeric oligonucleotide comprising an oligonucleotide nonionic region of at least four nucleotides flanked by two oligonucleotide phosphorothioate regions; and (b) administering to the cells a second therapeutic agent comprising an active ingredient for cancer therapy, wherein the administering steps may be performed simultaneously or sequentially in any order. 2. The method of claim 1, wherein the second therapeutic agent is an antibody that binds to epidermal growth factor receptor (EGFR) or a cytotoxic agent selected from the group consisting of taxanes, platinum-derived agents, and topoisomerase II-selective drugs. 3. The method of claim 2, wherein the oligonucleotide is a hybrid oligonucleotide. 4. The method of claim 3, wherein the oligonucleotide has a nucleotide sequence consisting of the nucleotide sequence set forth in SEQ ID NO:4. 5. The method of claim 2, wherein the second therapeutic agent is administered prior to administration of the first therapeutic agent. 6. The method of claim 2, wherein the cancer cells are human cancer cells. 7. The method of claim 6, wherein the human cancer cells are selected from the group consisting of breast cancer cells, colon cancer cells, and ovarian cancer cells. 8. The method of claim 2, wherein the oligonucleotide is an inverted hybrid oligonucleotide. 9. The method of claim 8, wherein the oligonucleotide has a nucleotide sequence consisting of the nucleotide sequence set forth in SEQ ID NO:6. 10. The method of claim 2, wherein the oligonucleotide is an inverted chimeric oligonucleotide. 11. The method of claim 10, wherein the oligonucleotide has a nucleotide sequence consisting of the nucleotide sequence set forth in SEQ ID NO:1. 12. The method of claim 2, wherein the oligonucleotide further comprises a 2'-O-substituted nucleotide. 13. The method of claim 1, wherein the second therapeutic agent is an antibody that binds to EGFR. 14. The method of claim 13, wherein the antibody is a monoclonal antibody. 15. The method of claim 14, wherein the antibody is C225. 16. The method of claim 1, wherein the second therapeutic agent is a taxane. 17. The method of claim 16, wherein the taxane is selected from the group consisting of paclitaxel and docetaxel. 18. A pharmaceutical composition comprising: (a) a first therapeutic agent comprising a synthetic, modified antisense oligonucleotide fully complementary to at least 15 consecutive nucleotides of nucleic acid sequence GCCAGTGAGGAGGCACGC (SEQ ID NO:11) encoding N-terminal codons 8-13 of protein kinase A subunit RIα, and wherein the oligonucleotide is a hybrid, inverted hybrid, or inverted chimeric oligonucleotide, the hybrid oligonucleotide comprising a region of at least two deoxyribonucleotides, flanked by 3' and 5' flanking ribonucleotide regions each having at least four ribonucleotides, the inverted hybrid oligonucleotide comprising a region of at least four ribonucleotides flanked by 3' and 5' flanking deoxyribonucleotide regions of at least two deoxyribonucleotides, and the inverted chimeric oligonucleotide comprising an oligonucleotide nonionic region of at least four nucleotides flanked by two oligonucleotide phosphorothioate regions; and (b) a second therapeutic agent comprising an active ingredient for cancer therapy. 19. The pharmaceutical composition of claim 18, wherein the second therapeutic agent is an antibody that binds to epidermal growth factor receptor (EGFR) or a cytotoxic agent selected from the group consisting of taxanes, platinum-derived agents, and topoisomerase II-selective drugs. 20. The pharmaceutical composition of claim 19, wherein the oligonucleotide is a hybrid oligonucleotide. 21. The pharmaceutical composition of claim 20, wherein the oligonucleotide has a nucleotide sequence consisting of the nucleotide sequence set forth in SEQ ID NO:4. 22. The pharmaceutical composition of claim 19, wherein the second therapeutic agent is administered prior to administration of the first therapeutic agent. 23. The pharmaceutical composition of claim 19, wherein the oligonucleotide is an inverted hybrid oligonucleotide. 24. The pharmaceutical composition of claim 23, wherein the oligonucleotide has a nucleotide sequence consisting of the nucleotide sequence set forth in SEQ ID NO:6. 25. The pharmaceutical composition of claim 19, wherein the oligonucleotide is an inverted chimeric oligonucleotide. 26. The pharmaceutical composition of claim 25, wherein the oligonucleotide has a nucleotide sequence consisting of the nucleotide sequence set forth in SEQ ID NO:1. 27. The pharmaceutical composition of claim 19, wherein the oligonucleotide further comprises a 2'-O-substituted nucleotide. 28. The pharmaceutical composition of claim 18, wherein the second therapeutic agent is an antibody that binds to EGFR. 29. The pharmaceutical composition of claim 28, wherein the antibody is a monoclonal antibody. 30. The pharmaceutical composition of claim 29, wherein the antibody is C225. 31. The pharmaceutical composition of claim 18, wherein the second therapeutic agent is a taxane. 32. The pharmaceutical composition of claim 31, wherein the taxane is selected from the group consisting of paclitaxel and docetaxel. 33. The pharmaceutical composition of claim 18, wherein said synthetic, modified antisense oligonucleotide further comprises 0 to 25 additional nucleotides that are fully complementary to a nucleic acid encoding protein kinase A subunit RIα. 34. A method for treating cancer in an afflicted subject comprising: (a) administering to the subject a first therapeutic agent comprising a synthetic, modified antisense oligonucleotide fully complementary to at least 15 consecutive nucleotides of the nucleic acid sequence GCCAGTGAGGAGGCACGC (SEQ ID NO:11) encoding N-terminal codons 8-13 of protein kinase A subunit RIα, and wherein the oligonucleotide is a hybrid, inverted hybrid, or inverted chimeric oligonucleotide, the hybrid oligonucleotide comprising a region of at least two deoxyribonucleotides, flanked by 3' and 5' flanking ribonucleotide regions each having at least four ribonucleotides, the inverted hybrid oligonucleotide comprising a region of at least four ribonucleotides flanked by 3' and 5' flanking deoxyribonucleotide regions of at least two deoxyribonucleotides, and the inverted chimeric oligonucleotide comprising an oligonucleotide nonionic region of at least four nucleotides flanked by two oligonucleotide phosphorothioate regions; and (b) administering to the subject a second therapeutic agent comprising an active ingredient for cancer therapy, wherein the administering steps may be performed simultaneously or sequentially in any order. 35. The method of claim 34, wherein the second therapeutic agent is an antibody that binds to epidermal growth factor receptor (EGFR) or a cytotoxic agent selected from the group consisting of taxanes, platinum-derived agents, and topoisomerase II-selective drugs. 36. The method of claim 35, wherein the oligonucleotide is a hybrid oligonucleotide. 37. The method of claim 36, wherein the oligonucleotide has a nucleotide sequence consisting of the nucleotide sequence set forth in SEQ ID NO:4. 38. The method of claim 35, wherein the second therapeutic agent is administered prior to administration of the first therapeutic agent. 39. The method of claim 35, wherein the subject is a human. 40. The method of claim 39, wherein the human has a cancer selected from the group consisting of breast cancer, colon cancer, and ovarian cancer. 41. The method of claim 35, wherein the oligonucleotide is an inverted hybrid oligonucleotide. 42. The method of claim 41, wherein the oligonucleotide has a nucleotide sequence consisting of the nucleotide sequence set forth in SEQ ID NO:6. 43. The method of claim 35, wherein the oligonucleotide is an inverted chimeric oligonucleotide. 44. The method of claim 43, wherein the oligonucleotide has a nucleotide sequence consisting of the nucleotide sequence set forth in SEQ ID NO:1. 45. The method of claim 35, wherein the oligonucleotide further comprises a 2'-O-substituted nucleotide. 46. The method of claim 34, wherein the second therapeutic agent is an antibody that binds to EGFR. 47. The method of claim 46, wherein the antibody is a monoclonal antibody. 48. The method of claim 47, wherein the antibody is C225. 49. The method of claim 34, wherein the second therapeutic agent is a taxane. 50. The method of claim 49, wherein the taxane is selected from the group consisting of paclitaxel and docetaxel. 51. The method of claim 1 or 34, wherein said synthetic, modified antisense oligonucleotide further comprises 0 to 25 additional nucleotides that are fully complementary to a nucleic acid encoding protein kinase A subunit RIα.
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이 특허에 인용된 특허 (15)
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