(12) United States Patent

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Jun 4, 2012 - (58) Field of Classification Search. (56) ... cell proliferative disorders by administration of a Syk kinase ... Sheet 3 of26 ..... survival data is for NOD-SCID mice injected intravenously ..... marrow, undergo a series of cell divisions to form multipotent ... compared to wild-type) in the activation loop of the second.
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Masuda et al.

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METHODS OF TREATING CELL PROLIFERATIVE DISORDERS Inventors: Esteban Masuda, Menlo Park, CA (US); Donald G. Payan, Hillsborough, CA (US); Elliot B. Grossbard, San Francisco, CA (US); Somasekhar Bhamidipati, Foster City, CA (US); Rajinder Singh, Belmont, CA (US)

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Assignee: Rigel Pharmaceuticals, Inc., South San Francisco, CA (US) Notice:

Subject to any disclaimer, the terrIl of this patent is extended or adjusted under 35 U.S.c. 154(b) by 0 days. This patent is subject to a terminal disclaimer.

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Filed:

Prior Publication Data Sep. 27, 2012

Related U.S. Application Data (63)

Continuation of application No. 111407,233, filed on Apr. 18,2006, now Pat. No. 8,227,455.

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Provisional application No. 60/672,648, filed on Apr. 18, 2005, provisional application No. 601706,710, filed on Aug. 8, 2005.

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Int. Cl. A61K 31/33 (2006.01) U.S. Cl. USPC .......................................................... 5141183 Field of Classification Search USPC .......................................................... 5141183 See application file for complete search history.

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References Cited

5,958,935 5,985,856 6,593,326 7,449,458 7,538,108

Argade et al. Gillman et al. Argade et al. Mehta et al. Singh et al. Singh et al. Singh et al. Masuda et al. Singh et al. 112008 Argade et al. 112008 Argade et al. 212009 Hitoshi et al.

212011 1012003 512005 8/2005 912005 1012005 9/2006 1212006 312007

FOREIGN PATENT DOCUMENTS 00/39101 7/2000 02/059110 03/026664 03/030909

2004014832 2005/016893

2005013996 2006068770

8/2002 4/2003 4/2003 212004 212005 212005 6/2006

OTHER PUBLICATIONS

Jun. 4, 2012

US 2012/0245127 Al

Patent No.: US 8,481,521 B2 Date of Patent: *Jul. 9,2013

2003/0195169 2005/0113398 2005/0171171 2005/0209224 2005/0234049 2006/0211657 2006/0276459 2007/0060603 2008/0009484 2008/0021020 2009/0048214

Appl. No.: 13/487,979

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US008481521B2

United States Patent

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U.S. PATENT DOCUMENTS A 911999 Davis et al. A 1111999 Stella et al. Bl 7/2003 Bradbury et al. B2 1112008 Bhamidipati et al. B2 5/2009 Singh et al.

Talmadge, James E., et ai, "Murine Models to Evaluate Novel and Conventional Therapeutic Strategies for Cancer," The American Journal of Pathology, Mar. 2007, vol. 170, No.3, pp. 793-804. Suggitt, Marie, et ai, "50 Years of Preclinical Anticancer Drug Screening: Empirical to Target-Driven Approaches," Clinical Cancer Research, Feb. 1,2005, vol. 11, pp. 971-981. U.S. Appl. No. 111567,780, filed Dec. 7, 2006. Pine et aI., "An Orally Bioavailable Inhibitor of FLT3 and Syk Kinases Prevents Tumor Growth in Subcutaneously Implanted Human Tumor Xenografts and Promotes Cell Death in FLT3 Mutant AML Cells," Blood (ASH Annual Meeting Abstracts), vol. 106, Abstract 243, 2005. Hoelzer. et al., "Recent Approaches in Acute Lymphoblastic Leukemia in Adults," Critical Reviews in Oncology/Hematology, vol. 36, p. 49-58,2000.

Primary Examiner - Brandon Fetterolf Assistant Examiner - Christopher R Stone (74) Attorney, Agent, or Firm - McDounell Boehnen Hulbert & Berghoff LLP (57)

ABSTRACT

The present disclosure provides methods for the treatment of cell proliferative disorders by administration of a Syk kinase or Syk/Flt-3 kinase inhibitor. Cell proliferative disorders treatable by the methods include, hematopoietic neoplasms and virally associated tumors. The compounds are also directed to therapeutic or prophylactic inhibition of tumor metastasis. 18 Claims, 26 Drawing Sheets

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