Claims for Patent: 9,724,331

Summary for Patent: 9,724,331

Title:	Use of maleimide derivatives for preventing and treating leukemia
Abstract:	The present invention is related to a compound of formula (I): a pharmaceutically acceptable salt thereof, a hydrate thereof, a solvate thereof, a metabolite thereof or a prodrug thereof; for use in a method for the treatment and/or prevention of leukemia, wherein X is selected from the group consisting of N--R.sup.1, O and S; R.sup.1 is selected from the group consisting of alkyl, cycloalkyl, aryl, arylalkyl and hydrogen; R.sup.2 is selected from the group consisting of indolyl, substituted indolyl, azaindolyl and substituted azaindolyl; and R.sup.3 is selected from the group consisting of aryl, substituted aryl, unsubstituted heteroaryl, heterocyclyl and substituted heterocyclyl. ##STR00001##
Inventor(s):	Beller; Matthias (Nienhagen, DE), Lukas; Jan (Rostock, DE), Frech; Moritz (Neu Broderstorf, DE), Junghanss; Christian (Rostock, DE), Rolfs; Arndt (Berlin, DE), Pews-Davtyan; Anahit (Rostock, DE), Eisenloeffel; Christian (Rostock, DE)
Assignee:	Centogene AG (Rostock, DE)
Application Number:	14/650,939
Patent Claims:	1. A method for arresting or reducing the development of leukemia or the clinical symptoms of leukemia or causing regression of leukemia or the clinical symptoms of leukemia, wherein the method comprises administering to a subject in need thereof a therapeutically effective amount of a compound of formula (I): ##STR00045## a pharmaceutically acceptable salt thereof, a hydrate thereof, a solvate thereof, a metabolite thereof or a prodrug thereof; wherein X is selected from the group consisting of N--R.sup.1 and O; R.sup.1 is alkyl or hydrogen; R.sup.2 is indolyl or substituted indolyl; and R.sup.3 is aryl or substituted aryl, wherein the substituted aryl consists of one, two or three substituents, wherein each and any of the substituents is individually and independently selected from the group consisting of fluoro, chloro, methyl, trifluoromethyl, vinyl, acetyl, acetamido, formyl, ethoxycarbonyl and dimethylamidocarbonyl. 2. The method of claim 1, wherein R.sup.2 comprises one, two, three, four, five or six substituents, whereby each and any of the substituents is individually and independently selected from the group comprising halogen, alkyl, alkenyl, alkynyl, acyl, formyl, cycloalkyl, aryl, haloalkyl, polyfluoroalkyl, alkylthio, arylthio, monoalkylamino, dialkylamino, monoarylamino, diarylamino, alkylarylamino, alkylimido, hydroxy, alkoxy, aryloxy, carboxyl, alkoxycarbonyl, aryloxycarbonyl, cyano, amino, amido, acylamino, nitro, alkylsulfinyl, arylsulfinyl, alkyl sulfonyl, aryl sulfonyl, alkylsulfinamido, arylsulfinamido, alkylsulfonamido and arylsulfonamido. 3. The method of claim 1, wherein X is N--R', and wherein R.sup.1 is selected from the group consisting of alkyl and hydrogen. 4. The method of claim 3, wherein R.sup.1 is selected from the group consisting of methyl, butyl and hydrogen. 5. The method of claim 1, wherein X is O. 6. The method of claim 1, wherein R.sup.3 is selected from the group consisting of monocyclic aryl, substituted monocyclic aryl, bicyclic aryl, and substituted bicyclic aryl. 7. The method of claim 6, wherein R.sup.3 is selected from the group consisting of phenyl, substituted phenyl, naphthenyl, and substituted naphthenyl. 8. The method of claim 7, wherein each and any of the substituents is individually and independently selected from the group consisting of fluoro, chloro, methyl, trifluoromethyl, vinyl, acetyl, acetamido, methoxy, formyl, ethoxycarbonyl and dimethylamidocarbonyl. 9. The method of claim 8, wherein R.sup.3 is selected from the group consisting of phenyl and substituted phenyl, wherein substituted phenyl is phenyl consisting of one, two or three substituents, wherein each and any of the substituents is individually and independently selected from the group consisting of fluoro, chloro, methyl, trifluoromethyl, vinyl, acetyl, acetamido, methoxy, formyl, ethoxycarbonyl and dimethylamidocarbonyl. 10. The method of claim 7, wherein R.sup.3 is substituted phenyl and each and any of the substituents is individually any independently selected from the group consisting of alkyl, substituted alkyl, alkoxy, substituted alkoxy, alkynyl and halogen. 11. The method of claim 10, wherein alkyl is methyl or ethyl, substituted alkyl is halogen-substituted methyl or acetyl, alkoxy is ethoxy, and alkenyl is vinyl. 12. The method of claim 7, wherein the compound is of formula (IV) ##STR00046## wherein R.sup.5 is selected from the group consisting of alkyl, aminoalkyl, alkoxyalkyl, hydroxyalkyl, aryl and heteroaryl. 13. The method of claim 12, wherein R.sup.5 is methyl. 14. The method of claim 1, wherein R.sup.2 is a moiety of formula (VIa) ##STR00047## wherein R.sup.4 is selected from the group consisting of hydrogen, aryl, heteroaryl, alkyl, cycloalkyl, polyfluoroalkyl, arylalkyl and heteroarylalkyl, R.sup.6 is selected from the group consisting of alkyl and aryl, each and any of Y.sup.1, Y.sup.2, Y.sup.3 and Y.sup.4 is individually and independently selected from the group consisting of N and CR.sup.7, under the proviso that at least two of Y.sup.1, Y.sup.2, Y.sup.3 and Y.sup.4 are CR.sup.7, wherein each and any of R.sup.7 is individually and independently selected from the group consisting of hydrogen, halogen, alkyl, alkenyl, alkynyl, acyl, formyl, cycloalkyl, aryl, haloalkyl, polyfluoroalkyl, alkylthio, arylthio, monoalkylamino, dialkylamino, monoarylamino, diarylamino, alkyl aryl amino, alkylimido, hydroxy, alkoxy, aryloxy, carboxyl, alkoxycarbonyl, aryloxycarbonyl, cyano, amino, amido, acylamino, nitro, alkylsulfinyl, arylsulfinyl, alkyl sulfonyl, aryl sulfonyl, alkyl sulfinamido, aryl sulfinamido, alkyl sulfonamido and arylsulfonamido. 15. The method of claim 14, wherein each and any of Y.sup.1, Y.sup.2, Y.sup.3 and Y.sup.4 is CR.sup.7. 16. The method of claim 15, wherein R.sup.7 is hydrogen. 17. The method of claim 14, wherein R.sup.4 is selected from the group consisting of hydrogen, alkyl and benzyl, and/or wherein R.sup.6 is hydrogen or alkyl. 18. The method of claim 14, wherein each and any of Y.sup.1, Y.sup.2, Y.sup.3 and Y.sup.4 is individually and independently selected from the group consisting of N and CR.sup.7, under the proviso that one or two of Y.sup.1, Y.sup.2, Y.sup.3 and Y.sup.4 are N. 19. The method of claim 18, wherein R.sup.7 is hydrogen. 20. The method of claim 14, wherein R.sup.4 is selected from the group consisting of hydrogen, alkyl and benzyl, and/or wherein R.sup.6 is hydrogen or alkyl. 21. The method of claim 14, wherein the compound is of formula (VI) ##STR00048## wherein R.sup.5 is selected from the group consisting of alkyl, aminoalkyl, alkoxyalkyl, hydroxyalkyl, aryl and heteroaryl, or wherein the compound is of formula (V) ##STR00049## 22. The method of claim 21, wherein R.sup.5 is methyl. 23. The method claim 1, wherein the compound is selected from the group consisting of 1-Methyl-3,4-bis-(2-methyl-1H-indol-3-yl)-1H-pyrrole-2,5-dione; 1-Methyl-3-(2-methyl-1H-indol-3-yl)-4-(4-vinylphenyl)-1H-pyrrole-2,5-dion- e; 1-Methyl-3-(2-methyl-1H-indol-3-yl)-4-phenyl-1H-pyrrole-2,5-dione; 3-(4-Acetylphenyl)-1-methyl-4-(2-methyl-1H-indol-3-yl)-1H-pyrrole-2,5-dio- ne (also referred to herein as PDA-66); 3-(2,6-Dimethylphenyl)-1-methyl-4-(2-methyl-1H-indol-3-yl)-1H-pyrrole-2,5- -dione; 3-(3-Chlorophenyl)-1-methyl-4-(2-methyl-1H-indol-3-yl)-1H-pyrrole-- 2,5-dione; 3-(2,4-Dichlorophenyl)-1-methyl-4-(2-methyl-1H-indol-3-yl)-1H-p- yrrole-2,5-dione; 1-Methyl-3-(2-methyl-1H-indol-3-yl)-4-(thiophen-3-yl)-1H-pyrrole-2,5-dion- e; 1-Methyl-3-(2-methyl-1H-indol-3-yl)-4-(pyridin-4-yl)-1H-pyrrole-2,5-dio- ne; 1-Methyl-3-(2-methyl-1H-indol-3-yl)-4-(naphthalen-2-yl)-1H-pyrrole-2,5- -dione; 3-(2,5-Dimethoxyphenyl)-1-methyl-4-(2-methyl-1H-indol-3-yl)-1H-pyr- role-2,5-dione; 1-Methyl-3-(2-methyl-1H-indol-3-yl)-4-(2-(trifluoromethyl)phenyl)-1H-pyrr- ole-2,5-dione; 3-(4-Fluorophenyl)-1-methyl-4-(2-methyl-1H-indol-3-yl)-1H-pyrrole-2,5-dio- ne; 3-(5-Acetyl-2-fluorophenyl)-1-methyl-4-(2-methyl-1H-indol-3-yl)-1H-pyr- role-2,5-dione; N-(4-(1-Methyl-4-(2-methyl-1H-indol-3-yl)-2, 5-di oxo-2,5-dihydro-1H-pyrrol-3-yl)phenyl) acetamide; 3-(2-Methyl-1H-indol-3-yl)-4-phenylfuran-2, 5-dione; 3-(4-Acetylphenyl)-4-(2-methyl-1H-indol-3-yl)-1H-pyrrole-2, 5-dione; 3-(2-Methyl-1H-indol-3-yl)-4-(naphthalen-2-yl)furan-2, 5-dione; 3-(2-Methyl-1H-indol-3-yl)-4-(naphthalen-2-yl)-1H-pyrrole-2, 5-dione; 3-(4-Acetylphenyl)-4-(2-methyl-1H-indol-3-yl)furan-2, 5-dione; and 3-(2-Methyl-1H-indol-3-yl)-4-phenyl-1H-pyrrole-2, 5-dione. 24. The method of claim 1, wherein the compound is 3-(4-acetylphenyl)-4-(2-methyl-1H-indol-3-yl)-1H-pyrrole-2,5-dione ##STR00050## 25. The method of claim 1, wherein the compound is 3-(4-acetylphenyl)-1-methyl-4-(2-methyl-1H-indol-3-yl)-1H-pyrrole-2,5-dio- ne ##STR00051## 26. The method of claim 1, wherein leukemia is selected from the group consisting of acute lymphoblastic leukemia (ALL), acute myeloid leukemia (AML), refractory leukemia, resistant leukemia, FLT3-ITD-positive leukemia, any chronic leukemia, myelodysplasia, and lymphoma. 27. The method of claim 1, further comprising administering a chemotherapeutic agent. 28. The method of claim 27, wherein the chemotherapeutic agent is selected from the group comprising cytarabine, etoposide, mitoxantron, cyclophosphamide, retinoic acid, daunorubicin, doxorubicin, idarubicin, azacytidine, decitabine, a tyrosine-kinase inhibitor, a antineoplastic antibody, vincaalkaloids and steroids. 29. The method of claim 28, wherein the chemotherapeutic agent is a tyrosine-kinase inhibitor, wherein the tyrosine-kinase inhibitor is selected from the group comprising sorafenib, dasatinib, nilotinib, nelarabine and fludarabine or wherein the chemotherapeutic agent is Alemtuzumab.

Details for Patent 9,724,331

Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Genzyme Corporation	CAMPATH	alemtuzumab	Injection	103948	05/07/2001		2032-12-10
Genzyme Corporation	LEMTRADA	alemtuzumab	Injection	103948	11/14/2014		2032-12-10
Genzyme Corporation	CAMPATH	alemtuzumab	Injection	103948	10/12/2004		2032-12-10