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Details for Patent: 8,658,653

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Details for Patent: 8,658,653

Title:Inhibitors of Bruton's tyrosine kinase
Abstract: Disclosed herein are compounds, including compounds having the structure of Formula (A), (B), (C), and (D), as described in further detail herein, that form covalent bonds with Bruton's tyrosine kinase (Btk). Also described are irreversible inhibitors of Btk. Methods for the preparation of the compounds are disclosed. Also disclosed are pharmaceutical compositions that include the compounds. Methods of using the Btk inhibitors are disclosed, alone or in combination with other therapeutic agents, for the treatment of autoimmune diseases or conditions, heteroimmune diseases or conditions, cancer, including lymphoma, and inflammatory diseases or conditions.
Inventor(s): Honigberg; Lee (San Francisco, CA), Verner; Erik (Belmont, CA), Pan; Zhengying (Austin, TX)
Assignee: Pharmacyclics, Inc. (Sunnyvale, CA)
Filing Date:Jan 30, 2012
Application Number:13/361,726
Claims:1. A method for treating a B-cell malignancy in a subject in need thereof comprising administering to the subject two or more agents, wherein the first agent is an irreversible inhibitor of Bruton's tyrosine kinase (Btk) and the second agent is selected from paclitaxel, amrubicin, or azacitidine, wherein the irreversible Btk inhibitor is a compound having the structure of Formula (A): ##STR00056## wherein: A is N; R.sub.1 is phenyl-O-phenyl or phenyl-S-phenyl; R.sub.2 and R.sub.3 are independently H; R.sub.4 is L.sub.3-X-L.sub.4-G, wherein, L.sub.3 is optional, and when present is an optionally substituted or unsubstituted alkylene, optionally substituted or unsubstituted cycloalkylene, optionally substituted or unsubstituted alkenylene, or optionally substituted or unsubstituted alkynylene; X is optional, and when present is O, --C(.dbd.O), S, --S(.dbd.O), --S(.dbd.O).sub.2, --NH, --NR.sub.9, --NHC(O), --C(O)NH, --NR.sub.9C(O), --C(O)NR.sub.9, --S(.dbd.O).sub.2NH, --NHS(.dbd.O).sub.2, --S(.dbd.O).sub.2NR.sub.9--, --NR.sub.9S(.dbd.O).sub.2, --OC(O)NH--, --NHC(O)O--, --OC(O)NR.sub.9--, --NR.sub.9C(O)O--, --CH.dbd.NO--, --ON.dbd.CH--, --NR.sub.10C(O)NR.sub.10--, heteroarylene, arylene, --NR.sub.10C(.dbd.NR.sub.11)NR.sub.10--, --NR.sub.10C(.dbd.NR.sub.11)--, --C(.dbd.NR.sub.11)NR.sub.10--, --OC(.dbd.NR.sub.11)--, or --C(.dbd.NR.sub.11)O--; L.sub.4 is optional, and when present is a substituted or unsubstituted alkylene, substituted or unsubstituted cycloalkylene, substituted or unsubstituted alkenylene, substituted or unsubstituted alkynylene, substituted or unsubstituted arylene, substituted or unsubstituted heteroarylene, or substituted or unsubstituted heterocycle; or L.sub.3, X and L.sub.4 taken together form a nitrogen containing heterocyclic ring; G is ##STR00057## wherein, R.sub.6, R.sub.7 and R.sub.8 are independently selected from among H, lower alkyl or substituted lower alkyl, lower heteroalkyl or substituted lower heteroalkyl, substituted or unsubstituted lower cycloalkyl, and substituted or unsubstituted lower heterocycloalkyl; R.sub.9 is selected from among H, substituted or unsubstituted lower alkyl, and substituted or unsubstituted lower cycloalkyl; each R.sub.10 is independently H, substituted or unsubstituted lower alkyl, or substituted or unsubstituted lower cycloalkyl; or two R.sub.10 groups can together form a 5-, 6-, 7-, or 8-membered heterocyclic ring; or R.sub.10 and R.sub.11 can together form a 5-, 6-, 7-, or 8-membered heterocyclic ring; and R.sub.11 is selected from H, --S(.dbd.O).sub.2R.sub.8, --S(.dbd.O).sub.2NH.sub.2, --C(O)R.sub.8, --CN, --NO.sub.2, heteroaryl, or heteroalkyl; or a pharmaceutically acceptable salt thereof.

2. The method of claim 1, wherein the B cell malignancy is a lymphoma.

3. The method of claim 1, wherein the B cell malignancy is selected from nodal marginal zone B cell lymphoma, extranodal marginal zone B cell lymphoma, splenic marginal zone B cell lymphoma, diffuse large B cell lymphoma, follicular lymphoma, Waldenstrom macroglobulinemia, mantle cell lymphoma, and Burkitt lymphoma.

4. The method of claim 1, wherein the B cell malignancy is plasma cell myeloma.

5. The method of claim 1, wherein the B cell malignancy is a leukemia.

6. The method of claim 1, wherein the B cell malignancy is selected from B-cell prolymphocytic leukemia and Burkitt leukemia.

7. The method of claim 1, wherein the second agent is paclitaxel.

8. The method of claim 1, wherein the second agent is amrubicin.

9. The method of claim 1, wherein the second agent is azacitidine.

10. The method of claim 1, wherein the irreversible inhibitor of Btk and the second agent are administered simultaneously.

11. The method of claim 1, wherein the irreversible inhibitor of Btk and the second agent are administered sequentially.

12. The method of claim 1, wherein the irreversible inhibitor of Btk is administered orally.

13. The method of claim 1 wherein the irreversible inhibitor of Btk ##STR00058## has the structure.

14. A method for treating a B-cell malignancy in a subject in need thereof comprising administering to the subject two or more agents, wherein the first agent is an irreversible inhibitor of Bruton's tyrosine kinase (Btk) and the second agent is selected from paclitaxel, amrubicin, or azacitidine, wherein the irreversible inhibitor is a ##STR00059## compound having the structure of or a pharmaceutically acceptable salt thereof.
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