IP Library Granted Patent US 9,550,768
Granted Patent B2
US 9,550,768 · App. 13/793,881 · Granted Jan 24, 2017

Kinase modulation and indications therefor

Inventors: Chao Zhang (Moraga, CA); Gideon Bollag (Orinda, CA); Gaston Habets (Pleasant Hill, CA); Jiazhong Zhang (Foster City, CA); Prabha N. Ibrahim (Mountain View, CA); Guoxian Wu (Foster City, CA)
Assignee: Plexxikon Inc.
C07D471/04A61K31/444A61K31/4439A61K31/506A61K31/5377A61K45/06
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Quick Facts
Patent No.
US 9,550,768
App. No.
13/793,881
Granted
Jan 24, 2017
Kind
B2
Abstract

Compounds, compositions and methods useful for treatment of Flt3-mediated diseases or conditions are provided herewith. Also provided herewith are methods for modulating the receptor protein tyrosine like kinase 3(Flt3).

Claims (7)

1. A method for treating a subject suffering from acute myeloid leukemia (AML), said method comprising administering to the subject an effective amount of a compound having the formula:

or a pharmaceutically acceptable salt, tautomer or isomer thereof, wherein the subject has an FMS-like tyrosine kinase (Flt3) gene with an internal tandem duplication (ITD) mutation.

2. The method of claim 1 , wherein the Flt3 gene further comprises an amino acid substitution at residues F691, D835, Y842 or combinations thereof.

3. The method of claim 2 , wherein the amino acid substitution is selected from F691L, D835V/Y, Y842C/H and combinations thereof.

4. The method of claim 3 , wherein the amino acid substitution comprises F691L.

5. The method of claim 1 , wherein the administration is oral.

6. The method of claim 1 , wherein the effective amount is 0.1 mg/kg to 20 mg/kg.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 26, 2022
From: PLEXXIKON INC.
To: DAIICHI SANKYO, INC.
Reel/Frame 060313/0546 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 11, 2014
From: ZHANG, CHAO; BOLLAG, GIDEON; HABETS, GASTON; ZHANG, JIAZHONG; IBRAHIM, PRABHA N.; WU, GUOXIAN
To: PLEXXIKON INC.
Reel/Frame 032408/0705 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 11, 2014
From: ZHANG, CHAO; BOLLAG, GIDEON; HABETS, GASTON; ZHANG, JIAZHONG; IBRAHIM, PRABHA N.; WU, GUOXIAN
To: PLEXXIKON INC.
Reel/Frame 032408/0767 →
Continuity (4)
Continuation In Part PCTUS2012038417 · May 17, 2012
Provisional Application 61487249 · May 17, 2011
Provisional Application 61522652 · Aug 11, 2011
Related Publication 20130274259A1 · Oct 17, 2013