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Claims for Patent: 7,160,870

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Claims for Patent: 7,160,870

Title:Thrombopoietin mimetics
Abstract:Invented are non-peptide TPO mimetics. Also invented are novel processes and intermediates used in the preparation of the presently invented compounds. Also invented is a method of treating thrombocytopenia, in a mammal, including a human, in need thereof which comprises administering to such mammal an effective amount of a selected hydroxy-1-azobenzene derivative.
Inventor(s): Duffy; Kevin J. (Collegeville, PA), Erickson-Miller; Connie (King Of Prussia, PA), Jenkins; Julian (Collegeville, PA), Luengo; Juan I. (Collegeville, PA), Visonneau; Sophie (Thousand Oaks, PA)
Assignee: SmithKline Beecham Corporation (Philadelphia, PA) Glaxo Group Limited (Greenford, GB)
Application Number:10/296,688
Patent Claims: 1. A compound selected from the group consisting essentially of: 3'-{N'-[1-(3,4-Dimethylphenyl)-3-methyl-5-oxo-1,5-dihydropyrazol-4-yliden- e]hydrazino}-2'-hydroxybiphenyl-3-carboxylic acid, and a pharmaceutically acceptable salt, a hydrate, a solvate, and an ester, thereof.

2. The compound of claim 1, wherein the compound is the pharmaceutically acceptable salt.

3. The pharmaceutical composition which comprises the compound of claim 1 and a pharmaceutically acceptable carrier.

4. The compound of claim 1, wherein the compound is 3'-{N'-[1-(3,4-Dimethylphenyl)-3-methyl-5-oxo-1,5-dihydropyrazol-4-yliden- e]hydrazino}-2'-hydroxybiphenyl-3-carboxylic acid.

5. A method of treating thrombocytopenia in a human in need thereof which comprises administering to such human a therapeutically effective amount of the compound of claim 1.

6. The method of claim 5 wherein the compound is administered orally.

7. The method of claim 5 wherein the compound is administered parenterally.

8. The method of claim 5 further comprising co-administering a therapeutically effective amount of an agent selected from the group consisting of: a colony stimulating factor, cytokine, chemokine, interleukin or cytokine receptor agonist or antagonist, soluble receptor, receptor agonist or antagonist antibody, and small molecule or peptide that acts by the same mechanisms as one or more of said agents.

9. The method of claim 8 wherein the agent is selected from the group consisting of: G-CSF, GM-CSF, TPO, M-CSF, EPO, Gro-beta, IL-11, SCF, FLT3 ligand, LIF, IL-3, IL-6, IL-1, Progenipoietin, NESP, SD-01, IL-8, IL-5, and a biologically active derivative of any of said agents.

10. The method of claim 5 wherein said thrombocytopenia is due to myelosuppression caused by chemotherapy or radiation therapy.

11. The method of claim 5 wherein said thrombocytopenia is due to an organ transplant.

12. The method of claim 5 wherein said thrombocytopenia is due to bone marrow, stem cell, or liver transplant.

13. The method of claim 5 wherein said thrombocytopenia is due to idiopathic thrombocytopenia purpura (ITP).

14. The method of claim 5 wherein said thrombocytopenia is due to myelodysplastic syndromes (MDS), aplastic anemia or leukemia.

15. The method of claim 5 wherein said thrombocytopenia is due to viral, fungal, microbial or parasitic infection.

16. The method of claim 5 wherein said thrombocytopenia is due to liver dysfunction.

17. The method of claim 5 wherein said thrombocytopenia is due to surgical procedures.

18. The method of claim 5 wherein said thrombocytopenia is due to treatment with antiviral or antibiotic agents.

19. A process for preparing a pharmaceutical composition containing a pharmaceutically acceptable carrier or diluent and an effective amount of the compound of claim 1, which process comprises bringing said compound into association with the pharmaceutically acceptable carrier or diluent.

20. The pharmaceutical composition of claim 3 further comprising a therapeutically effective amount of an agent selected from the group consisting of: a colony stimulating factor, cytokine, chemokine, interleukin, and cytokine receptor agonist.

21. The pharmaceutical composition of claim 20 wherein the agent is selected from the group consisting of: G-CSF, GM-CSF, TPO, M-CSF, EPO, Gro-beta, IL-11, SCF, FLT3 Ligand, LIF, IL-3, IL-6, IL-1, IL-5, and a biologically active derivative of any of said agents.

22. A compound selected from the group consisting essentially of: 4'-{N'-[1-(3,4-Dimethylphenyl)-3-methyl-5-oxo-1,5-dihydropyrazol-4-yliden- e]hydrazino}-3'-hydroxybiphenyl-4-carboxylic acid, and a pharmaceutically acceptable salt, a hydrate, a solvate, and an ester, thereof.
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