49
AMENDED CLAIMS
[received by the International Bureau on 15 December 2003 (15.12.03); original claims 1-59 replaced by amended claims 1-51 (7 pages)]
1. A substance consisting of a chemical complex comprising: ι) a cysteine derivative selected from the group consisting of cysteine, N-acetyl-cysteine, cystine, homocysteine, cysteine methyiester, 5-ethyl-cysteine, N,S- isobuturyl -cysteine, 5- carboxymethyi-cysteine, S-ethyl-homocysteine, S-methyl-cysteine, cysteine S-sulfate, N,S-diacetyl-cysteine methyiester, N-acetyl-S-methylcystelne, glutathione, stereoisomers thereof, salts thereof and mixtures thereof; ii) cimetidine or a pharmaceutically acceptable salt thereof.
2. A substance consisting of a chemical complex comprising: i) a cysteine derivative of Formula I, stereoisomers thereof and/or salts thereof,
I wherein n Is an integer from 1 to 3; p is a whole number selected from the group consisting of 1 and 2;
R1 is a monoradicai selected from the group consisting of hydrogen, halogen, sulphate, - C8-acyleπe, Cj-Cs-alkylene, C3-C7-cycloalkylene, C2-CB-alkenylene and C2-C8-alkynylene; R2 is a monoradicai selected from the group consisting of hydrogen, halogen, sulphate, Cj- C8-alkylene, rCv-cycloalkylene, C2-Cβ-a!kenylene and C2-C8-alkynylene; and R3 is a monoradicai selected from the group consisting of hydrogen, sulphate, - - alkylene, C2-C8-alkenylene, C2-Ca-aIkynylene, arylene, heteroarylene and
wherein p, R
1 and R
2 are independently selected from their groups as defined above; and
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ii) cimetidine or pharmaceutically acceptable salts thereof.
3. The substance according to claims 1 or 2, wherein the pharmaceutically acceptable salt of cimetidine is selected from the group consisting of cimetidine hydrochloride, cimetidine
5 hydrobromide, cimetidine acetate, cimetidine ascorbate and cimetidine benzoate.
4. The substance according to any one of claims 1 to 3, wherein the cimetidine or a salt thereof and the cysteine derivative are present in a molar ratio or a mass ratio of between about 1: 10000 to 10000: 1, preferably about 1: 1000 to 1000: 1, more preferably about
10 1: 100 to 100:1, such as about 1:10 to 10:1, about 1:5 to 5:1, or about 1:2 to 2:1.
5. The substance according to any one of claims 1 to 4, wherein the complex further comprises one or more therapeutically active agents.
15 6. The substance according to claim 5, wherein the one or more therapeutically active agent is an anticancer agent.
7. The substance according to claim 6, wherein the anticancer agent is selected from the group consisting of DNA-iπteractlve agents, antimetabolites, tubulin-interactive agents 20 hormonal agents, protease inhibitors, cyclooxygeπase inhibitors, nuclear factor kappa B inhibitors and 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) inhibitors.
8. A composition comprising a substance as defined in any of the claims 1 to 7 and and one or more pharmaceutically acceptable excipient(s) or carrier(s).
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9. A composition comprising i) a cysteine derivative selected from the group consisting of cysteine, N-acetyl-cysteine, cystine, homocysteine, cysteine methyiester, S-ethyl-cystelne, N,5-isobuturyl-cysteine, S- carboxymethyl-cysteine, S-ethγl-homocystelne, S-methyl-cysteine, cysteine S-sulfate,
30 N,S-dlacetyl~cysteine methyiester, N-acetyl-S-methylcysteine, glutathione, stereoisomers thereof, salts thereof and mixtures thereof; ii) cimetidine or pharmaceutically acceptable salts thereof; and iii) one or more acceptable excipient(s) or carrier(s).
35 10. A composition comprising: i) a cysteine derivative of Formula I, stereoisomers thereof and/or salts thereof,
wherein n is an integer from 1 to 3; p is a whole number selected from the group consisting of 1 and 2;
R1 is a monoradicai selected from the group consisting of hydrogen, halogen, sulphate, Cx-
C8-acylene, Ci- -alkylene, C3-C7-cycloa!kylene, C2-C8-alkenylenε and C2-C8-alkynylene;
R2 is a monoradicai selected from the group consisting of hydrogen, halogen, sulphate, Ci-
C8-alkylene, C3-C7-cycloalkylene, C2-C8-alkenyleπe and C2-C8-alkynylene; and
R3 is a monoradicai selected from the group consisting of hydrogen, sulphate, Cι-C8- alkylene, C2-C8-alkenylene, C2-C8~alkynylene, arylene, heteroarylene and
10
wherein p,
1 and R
2 are independently selected from their groups as defined above; and ii) cimetidine or pharmaceutically acceptable salts thereof.
15 11. The composition according to any one of claims 8 to 10, wherein the cimetidine or a pharmaceutically acceptable salt thereof is selected from the group consisting of cimetidine hydrochloride, cimetidine hydrobromide, cimetidine acetate, cimetidine ascorbate and cimetidine benzoate.
20 12. The composition according to any one of claims 8 to 11, wherein the cimetidine or a salt thereof and the cysteine derivative are present in a moiar ratio or mass ratio of between about 1: 10000 to 10000: 1, such as about 1: 1000 to 1000: 1, preferably about 1:100 to 100:1, such as about 1: 10 to 10:1 e.g. about 1:5 to 5: 1, such as about 1:2 to 2: 1.
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13. The composition according to any one of claims 8 to 12, further comprising one or more therapeutically active agents.
14. The composition according to claim 13, wherein the one or more therapeutically active 30 agents is an anticancer agent.
15. The composition according to claim 14, wherein the anticancer agent Is selected from the group consisting of DNA-interactive agents, antimetabolites, tubulin-interactive agents hormonal agents, protease inhibitors, cyclooxygenase inhibitors, nuclear factor kappa B
35 inhibitors, 3-hydroxy-3-methy!glutaryl-coenzyme A (HMG-CoA) inhibitors, vitamin O derivatives and vitamin D analogs.
16. The composition according to any one of claims 8 to 15, formulated in a form for peroral, oral, topical, transdermal, or parenteral administration.
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17. The composition according to claim 16, formulated in a form for peroral or topical administration.
5 18. The composition according to any one of claims 8 to 17, formulated as a solid, a semi- solid, a suspension or an emulsion.
19. Use of a combination of cimetidine or a pharmaceutically acceptable salt thereof and a cysteine derivative selected from the group consisting of cysteine, N-acetyl-cysteine,
10 cystine, homocysteine, cysteine methyiester, S-ethyl-cysteine, N,S-isobuturyl-cysteine, S- carboxymethyl-cysteine, S-ethyl-homocysteine, S-methyl-cysteine, cysteine S-sulfate, N,S-diacetyl-cysteine methyiester, N-acetyl-S-methylcysteine, glutathione, stereoisomers thereof, salts thereof and mixtures thereof for the preparation of a medicament for the treatment of cancer in a mammal.
15
20. Use of a combination of cimetidine or a pharmaceutically acceptable salt thereof and a cysteine derivative of Formula 1 of claim 2, wherein n, p, R1, R2 and R3 is a as defined In claim 2 for the preparation of a medicament for the treatment of cancer in a mammal.
20 21. The use according to any one of claims 19 or 20, wherein the cancer is selected from the group of cancer in the gastrointestinal system, metastatic cancers and invasive cancers.
22. The use according to claim 21, wherein the cancer of the gastrointestinal system is 25 selected from the group of colon cancer, rectal cancer, colorectal cancer, pancreatic cancer, stomach (gastric) cancer, oesophageal cancer, liver cancer or bladder cancer.
23. The use according to claim 21, wherein the metastatic cancers and invasive cancers cancer is selected from the group of breast cancer, cancer of the male and female genital
30 tract, cancer of the thymus, lung, stomach, small Intestine, prostate, adrenal gland, pancreas, colon, lymphoid tissue, liver, brain, salivary gland, spleen and skin.
24. Use of a combination of cimetidine or a pharmaceutically acceptable salt thereof and a cysteine derivative selected from the group consisting of cysteine, N-acetyl-cysteine,
35 cystine, homocysteine, cysteine methyiester, S-ethyl-cysteine, N,S-isobuturyl-cysteine, S- carboxymethyl-cysteine, S-ethyl-homocysteine, S-methyl-cysteine, cysteine S-sulfate, N,S-diacetyl-cysteine methyiester, N-acetyl-S-methylcysteine, glutathione, stereoisomers thereof, salts thereof and mixtures thereof for the preparation of a medicament for immunomodulatlon of a mammal.
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25. The use according to claim 24, wherein immunomodulating activity relates to the suppression of inflammatory reactions such as treatment of diseases and disorders, or symptoms associated therewith, selected from the group consisting of hypersensitivity skin disease, atopic eczema, contact dermatitis, seborrhoeic eczema, psoriasis, IgE mediated
allergic reactions, asthma, allergic rhinitis, anaphyiaxis, autoimmune disease, chronic inflammatory disease, Crohn's disease, ulcerative colitis, rheumatoid arthritis, gout, osteoarthritis and pain.
5 26. The use according to any one of claims 19 to 25, wherein the cimetidine or a pharmaceutically acceptable salt thereof is selected from the group consisting of cimetidine hydrochlorlde, cimetidine hydrobromide, cimetidine acetate, cimetidine ascorbate and cimetidine benzoate.
10 27. The use according to any one of claims 19 to 26, wherein the medicament comprises a substance consisting of a complex as defined in any one of claims 1 to 7.
28. The use according to any one of claims 19 to 26, wherein the medicament comprises a composition as defined in any one of claims 8 to 18.
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29. The use according to any one of claims 19 to 28, wherein the medicament further comprises one or more therapeutically active agents.
30. The use according to claim 29, wherein the one or more therapeutically active agents 20 is an anticancer agent.
31. The use according to claim 30, wherein the anticancer agent is selected from the group consisting of DNA-interactive agents, antimetabolites, tubulin-interactive agents hormonal agents, protease inhibitors, cyclooxygenase inhibitors, nuclear factor kappa B Inhibitors, 3-
25 hydroxy-3-methylg!utaryI-coenzyme A (HMG-CoA) inhibitors, vitamin D derivatives and vitamin D analogs.
32. The use according to any one of claims 19 to 31, wherein the medicament is formulated for peroral, oral, topical, transdermal or pareπteral administration.
30
33. The use according to any one of claims 19 to 32, wherein the medicament is formulated for delivery of the composition to the gastro-intestinal tract.
34. The use according to any one of claims 19 to 24 and 28 to 33, wherein the cimetidine 35 or a salt thereof and the cysteine derivative are each individually comprised in separate dosage forms.
35. The use according to any one of claims 19 to 33, wherein the cimetidine or a salt thereof and the cysteine derivative are together comprised in a single dosage form.
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36. A method for treating cancer in a mammal, comprising administration to a mammal an effective amount of a combination of cimetidine or a pharmaceutically acceptable salt thereof; and a cysteine derivative selected from the group consisting of cysteine, N-acetyl- cysteine, cystine, homocysteine, cysteine methyiester, S-ethyl-cysteine, N,S-isobuturyl-
cysteine, S-carboxymethyl-cysteine, S-ethyl-homocysteine, S-methyl-cysteine, cysteine.5- sulfate, N,S-diacetyl-cysteine methyiester, N-acetyl-S-methylcysteine, glutathione, stereoisomers thereof, salts thereof and mixtures thereof.
5 37. The method according to claim 36, wherein the cancer is selected from the group of cancer in the gastrointestinal system, metastatic cancers and invasive cancers.
38. The method according to claim 37, wherein the cancer of the gastrointestinal system is selected from the group of colon cancer, rectal cancer, cotorectal cancer, pancreatic
10 cancer, stomach (gastric) cancer, oesophageal cancer, liver cancer or bladder cancer.
39. The method according to claim 37, wherein the metastatic cancers and invasive cancers cancer is selected from the group of breast cancer, cancer of the male and female genital tract, cancer of the thymus, lung, stomach, small intestine, prostate, adrenal gland,
15 pancreas, colon, lymphold tissue, liver, brain, salivary gland, spleen and skin.
40. A method for immunomodulation in a mammal, comprising administration to said mammal an effective amount of a combination of cimetidine or a pharmaceutically acceptable salt thereof; and a cysteine derivative selected from the group consisting of
20 cysteine, N-acetyi-cysteine, cystine, homocysteine, cysteine methyiester, S-ethyl-cysteine, N,S-lsobuturyl-cysteine, S-carboxymethyl-cysteine, S-ethyl-homocysteine, S-methyl- cysteine, cysteine S-sulfate, N,S-diacetyl-cysteine methyiester, N-acetyl-S-methylcysteine, glutathione, stereoisomers thereof, salts thereof and mixtures thereof.
25 41. The method according to claim 40, wherein immunomodulating activity relates to the suppression of inflammatory reactions such as treatment of diseases and disorders, or symptoms associated therewith, selected from the group consisting of hyperseπsitivity skin disease, atopic eczema, contact dermatitis, seborrhoeic eczema, psoriasis, IgE mediated allergic reactions, asthma, allergic rhinitis, anaphylaxis, autoimmune disease, chronic
30 inflammatory disease, Crohn's disease, ulcerative colitis, rheumatoid arthritis, gout, osteoarthritis and pain.
42. The method according to any one of claims 36, 39 and 40, wherein the cimetidine or a pharmaceutically acceptable salt thereof is selected from the group consisting of cimetidine 35 hydrochloride, cimetidine hydrobromide, cimetidine acetate, cimetidine ascorbate and cimetidine benzoate.
44. The method according to any one of claims 36, 39 and 40, wherein the combination of cimetidine or a salt thereof and the cysteine derivative, is in the form of a substance
40 consisting of a chemical complex as defined in any one of claims 1 to 7.
45. The method according to any one of claims 36, 39 and 40, wherein the combination of cimetidine or a salt thereof and the cysteine derivative is a composition as defined in any one of claims 8 to 18.
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46. The method according to any one of claims 36, 39 and 40, further comprising the administration of one or more therapeutically active agents.
47, The method according to claim 44, wherein the one or more therapeutically active agents is an anticancer agent,
48. The method according to claim 45, wherein the anticancer agent is selected from the group consisting of DNA-interactive agents, aπtimetabolites, tubulin-interactive agents hormonal agents, protease inhibitors, cyclooxygenase inhibitors, nuclear factor kappa B inhibitors, 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) inhibitors and vitamin D derivatives and vitamin D analogs.
49 The method according to any one of claims 36, 39 and 40, wherein said combination of cimetidine or a salt thereof and the cysteine derivative is administered by peroral, oral, topical, transdermal, or parenteral administration, or combinations thereof.
50. The method according to any one of claims 36, 39 and 40, wherein the combination of cimetidine or a salt thereof and the cysteine derivative, are together comprised in a single formulation.
51. The method according to any one of claims 36, 39 and 40, wherein the combination of cimetidine or a derivative thereof and the cysteine derivative are each individually comprised in separate formulations.