WO2018215282A1 - Combinaison d'inhibiteurs de bub1 et de pi3k - Google Patents

Combinaison d'inhibiteurs de bub1 et de pi3k Download PDF

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WO2018215282A1
WO2018215282A1 PCT/EP2018/062891 EP2018062891W WO2018215282A1 WO 2018215282 A1 WO2018215282 A1 WO 2018215282A1 EP 2018062891 W EP2018062891 W EP 2018062891W WO 2018215282 A1 WO2018215282 A1 WO 2018215282A1
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alkyl
methyl
indazol
amino
cycloalkyl
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PCT/EP2018/062891
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English (en)
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Gerhard Siemeister
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Bayer Pharma Aktiengesellschaft
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/506—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/53—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with three nitrogens as the only ring hetero atoms, e.g. chlorazanil, melamine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A61P35/04—Antineoplastic agents specific for metastasis

Definitions

  • the present invention relates to combinations of at least two components, component A and component B, component A being an inhibitor of budding uninhibited by benzimidazoles 1 kinase (Bub1 ), and component B being a Phosphatidylinositol-4,5- bisphosphate 3-kinase (PI3K) inhibitor.
  • component A being an inhibitor of budding uninhibited by benzimidazoles 1 kinase (Bub1 )
  • component B being a Phosphatidylinositol-4,5- bisphosphate 3-kinase (PI3K) inhibitor.
  • Another aspect of the present invention relates to the use of such combinations as described herein for the preparation of a medicament for the treatment or prophylaxis of a disease.
  • Another aspect of the present invention relates to the use of such combinations as described herein for the preparation of a medicament for the treatment or prophylaxis of a disease, particurlarly for the treatment of cancer.
  • Another aspect of the present invention relates to such combinations as described herein for use in the treatment or prophylaxis of a disease, particurlarly for use in the treatment of cancer.
  • Yet another aspect of the present invention relates to methods of treatment or prophylaxis of a cancer in a subject, comprising administering to said subject a therapeutically effective amount of a combination as described herein.
  • kits comprising a combination of:
  • component B as defined supra, or a pharmaceutically acceptable salt, solvate, hydrate or stereoisomer thereof ;
  • Cell cycle deregulation represents one of the classical hallmarks of cancer [Hanahan D and Weinberg RA, Cell 100, 57, 2000; Hanahan D and Weinberg RA, Cell 144, 646, 201 1 ] and consequently cell cycle arrest is the predominant mode of action of a lot of the cancer drugs on the market including " anti-mitotics ' such as taxanes and vinca alkaloids.
  • the concept of cell cycle checkpoint regulation offers a novel approach to cancer treatment: inactivation of cell cycle checkpoints is considered to drive tumor cells into cell divison despite DNA damage or unattached/misattached chromosomes resulting in a lethal degree of DNA damage or aneuploidy.
  • the spindle assembly checkpoint controls the accurate attachment of microtubules of the spindle device to the kinetochors (the attachment site for microtubules) of the duplicated chromosomes.
  • the SAC is active as long as unattached kinetochores are present and generates a wait-signal to give the dividing cell the time to ensure that each kinetochore is attached to a spindle pole, and to correct attachment errors [for recent review see Musacchio A, Curr. Biol. 25, R1002-R1018, 2015].
  • the SAC signal is initiated by multipolar-spindle 1 (Mpsl )-mediated phosphorylation of Met-Glu-Leu-Thr (MELT) motifs on the kinetochore scaffold 1 (KNL-1 ) protein to generate docking sites for budding uninhibited by benzimidazole 1 (Bub1 )/Bub3 dimers.
  • Mpsl multipolar-spindle 1
  • MELT Met-Glu-Leu-Thr
  • Bub1 kinetochore scaffold 1
  • Bub3 dimers The N-terminal non-catalytic part of Bub1 represents a scaffold for the assembly of mitotic arrest deficient 1 (MAD1 )/MAD2, BubR1 and centromere protein E (CENP-E) proteins.
  • MCC diffusible mitotic checkpoint complex
  • APC/C ubiquitin ligase anaphase-promoting complex/cyclosome
  • Bub1 kinase phosphorylates histone H2A at Thr120 within the centromeric region of the duplicated chromosomes thereby creating binding sites for shugoshin proteins (Sgo) 1 and 2, which protect centromeric cohesin from premature degradation, and for the chromosomal passenger complex consisting of INCENP, survivin, borealin and Aurora B (AurB) [Kawashima et al. Science 327, 172, 2010; Watanabe Y, Cold Spring Harb. Symp. Quant. Biol. 75, 419, 2010]. Specific inhibition of Bub1 kinase activity results in reduced levels of Sgo1 and Sgo2 at mitotic centromeres.
  • AurB fails to concentrate at the centromeres and was instead found to be spread over the chromosome arms [Baron et al. eLife 5, e12187, 2016].
  • AurB activity localized at the centromeric region is essential for the resolution of microtubule - kinetochore attachment errors such as syntelic and merotelic attachments.
  • Dyslocatization of AurB due to Bub1 kinase inactivation strongly compromizes the cells ability to resolve attachment errors and results in an increased rate of chromosome aligment defects [Ricke et al. J. Cell Biol. 199, 931 , 2012], in particular in presence of attachment error inducing agents such as microtubule stabilizers paclitaxel or docetaxel.
  • PI3K phosphatidyl inositol 3 kinase
  • AKT phosphatidyl inositol 3 kinase
  • Class I PI3K signals downstream of most cancer associated tyrosine kinase growth factor receptors (such as EGFR/HER, IGF-1 R, PDGFR, VEGF, c-KIT or Met), cell adhesion molecules (such as integrins), GPCRs, and oncogenes (such as Ras).
  • tyrosine kinase growth factor receptors such as EGFR/HER, IGF-1 R, PDGFR, VEGF, c-KIT or Met
  • cell adhesion molecules such as integrins
  • GPCRs a cell adhesion molecules
  • oncogenes such as Ras
  • the present invention provides combinations of at least two components, component A and component B, component A being an inhibitor of Bub1 -kinase or a pharmaceutically acceptable salt, solvate, hydrate or stereoisomer thereof, and component B being a PI3K inhibitor or a pharmaceutically acceptable salt, solvate, hydrate or stereoisomer thereof.
  • the present invention provides combinations of at least two components, component A and component B, component A being an inhibitor of Bub1 kinase, or an N-oxide, a salt, a tautomer, a solvate, a hydrate or a stereoisomer thereof, or a salt of said N-oxide, tautomer, solvate, hydrate or stereoisomer, or a mixture of same, and component B being a PI3K kinase inhibitor, or a stereoisomer, a tautomer, an N-oxide, a hydrate, a solvate or a salt thereof, or a mixture of same.
  • the present invention relates to a kit comprising:
  • Component A a Bub1 kinase inhibitors as described herein, or a pharmaceutically acceptable salt, solvate, hydrate or stereoisomer thereof ;
  • Component B a PI3K inhibitor as described herein, or a pharmaceutically acceptable salt, solvate, hydrate or stereoisomer thereof ; and, optionally, Component C : one or more further pharmaceutical agents ;
  • components A and B in any of the above- mentioned combinations are in the form of a pharmaceutical formulation/composition which is ready for use to be administered simultaneously, concurrently, separately or sequentially.
  • the components may be administered independently of one another by the oral, intravenous, topical, local installations, intraperitoneal or nasal route.
  • the present invention covers the combinations as described herein for use in the treatment or prophylaxis of a disease. In accordance with another aspect, the present invention covers the use of such combinations as described herein for the preparation of a medicament for the treatment or prophylaxis of a disease.
  • the present invention covers methods of treatment or prophylaxis of a cancer in a subject, comprising administering to said subject a therapeutically effective amount of a combination as described herein.
  • Constituents which are optionally substituted as stated herein, may be substituted, unless otherwise noted, one or more times, independently from one another at any possible position.
  • each definition is independent. For example, whenever R 1 , R 2 , R 3 , R 4 , R 5 , R 7 , R 8 V, W, Y and/or Z occur more than one time for any compound of formula (I) each definition of R 1 , R 2 , R 3 , R 4 , R 5 , R 7 , R 8 , V, W, Y and Z is independent.
  • a constituent be composed of more than one part, e.g. Ci-C4-alkoxy-Ci-C4-alkyl-
  • the position of a possible substituent can be at any of these parts at any suitable position.
  • a hyphen at the beginning or at the end of the constituent marks the point of attachment to the rest of the molecule.
  • the substitutent could be at any suitable position of the ring, also on a ring nitrogen atom if suitable.
  • halogen atom halo- or Hal-
  • halogen atom halo- or Hal-
  • Ci-C6-alkyl is to be understood as meaning a linear or branched, saturated, monovalent hydrocarbon group having 1 , 2, 3, 4, 5, or 6 carbon atoms, e.g.
  • said group has 1 , 2, 3 or 4 carbon atoms ("Ci-C4-alkyl”), e.g. a methyl, ethyl, propyl, butyl, iso-propyl, iso-butyl, sec-butyl, tert-butyl group, more particularly 1 , 2 or 3 carbon atoms (“Ci-C3-alkyl”), e.g. a methyl, ethyl, n-propyl- or iso-propyl group.
  • Ci-C4-alkyl e.g. a methyl, ethyl, propyl, butyl, iso-propyl, iso-butyl, sec-butyl, tert-butyl group, more particularly 1 , 2 or 3 carbon atoms
  • Si-C3-alkyl e.g. a methyl, ethyl, n-propyl- or iso-propyl group.
  • Ci-C6-haloalkyl is to be understood as meaning a linear or branched, saturated, monovalent hydrocarbon group in which the term "Ci-C6-alkyl” is defined supra, and in which one or more hydrogen atoms is replaced by a halogen atom, in identically or differently, i.e. one halogen atom being independent from another. Particularly, said halogen atom is F.
  • Said Ci-C6-haloalkyl group is, for example, -CF3, -CHF2, -CH2F, -CF2CF3, -CH2CH2F, -CH2CHF2, -CH2CF3, -CH2CH2CF3, or -CH(CH 2 F) 2 .
  • Ci-C6-alkoxy is to be understood as meaning a linear or branched, saturated, monovalent, hydrocarbon group of formula -O-alkyl, in which the term “alkyl” is defined supra, e.g. a methoxy, ethoxy, n-propoxy, iso-propoxy, n-butoxy, iso-butoxy, tert-butoxy, sec-butoxy, pentoxy, iso-pentoxy, or n-hexoxy group, or an isomer thereof.
  • Particularly preferred is "Ci-C4-alkoxy” e.g.
  • Ci-C4-haloalkoxy is to be understood as meaning a linear or branched, saturated, monovalent Ci-C4-alkoxy group, as defined supra, in which one or more of the hydrogen atoms is replaced, in identically or differently, by a halogen atom. Particularly, said halogen atom is F.
  • Said Ci-C4-haloalkoxy group is, for example, -OCF3, -OCHF2, -OCH2F, -OCF2CF3, or -OCH 2 CF 3 .
  • Ci-C6-hydroxyalkyl is to be understood as preferably meaning a linear or branched, saturated, monovalent hydrocarbon group in which the term "Ci-C6-alkyl” is defined supra, and in which one or more hydrogen atoms is replaced by a hydroxy group, e.g. a hydroxy methyl, 1 -hydroxyethyl, 2-hydroxyethyl, 1 ,2-dihydroxyethyl, 3-hydroxypropyl, 2-hydroxypropyl, 2,3-dihydroxypropyl, 1 ,3-dihydroxypropan-2-yl, 3-hydroxy-2-methyl-propyl, 2-hydroxy-2-methyl-propyl, 1 -hydroxy-2-methyl-propyl group.
  • a hydroxy group e.g. a hydroxy methyl, 1 -hydroxyethyl, 2-hydroxyethyl, 1 ,2-dihydroxyethyl, 3-hydroxypropyl, 2-hydroxypropyl, 2,3-dihydroxypropyl, 1 ,3
  • Ci-C3-hydroxyalkyl e.g. a hydroxy methyl, 1 -hydroxyethyl, 2-hydroxyethyl, 1 ,2-dihydroxyethyl, 3-hydroxypropyl, 2-hydroxypropyl, 2,3-dihydroxypropyl, 1 ,3-dihydroxypropan-2-yl.
  • C2-C6-hydroxyalkyl is to be understood as meaning a linear or branched, saturated, monovalent hydrocarbon group having 2, 3, 4, 5, or 6 carbon atoms, in which one or more hydrogen atoms is replaced by a hydroxy group, e.g. a 2-hydroxyethyl, 3-hydroxypropyl, 2-hydroxypropyl, 2,3-dihydroxypropyl, 3-hydroxy-2-methyl-propyl, 2-hydroxy-2-methyl-propyl.
  • a hydroxy group e.g. a 2-hydroxyethyl, 3-hydroxypropyl, 2-hydroxypropyl, 2,3-dihydroxypropyl, 3-hydroxy-2-methyl-propyl, 2-hydroxy-2-methyl-propyl.
  • C2-C4-hydroxyalkyl more preferred is "C2-hydroxyalkyl", i.e. a 2-hydroxyethyl group.
  • C3-C6-cycloalkyl is to be understood as meaning a saturated, monovalent, monocyclic hydrocarbon ring which contains 3, 4, 5 or 6 carbon atoms ("C3-C6- cycloalkyl").
  • Said C3-C6-cycloalkyl group is for example, a monocyclic hydrocarbon ring, e.g. a cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl ring.
  • C3-C6-cycloalkyloxy is to be understood as meaning a saturated, monovalent, monocyclic hydrocarbon group of formula -O-cycloalkyl, in which the term “cycloalkyi” is defined supra, e.g. a cyclopropyloxy, cyclobutyloxy, cyclopentyloxy or cyclohexyloxy group.
  • cycloalkyi is defined supra, e.g. a cyclopropyloxy, cyclobutyloxy, cyclopentyloxy or cyclohexyloxy group.
  • ⁇ - ⁇ - ⁇ as used throughout this text, e.g.
  • C1-C6 C2-C5 , C3-C4 , C1-C2, C1-C3 , C1-C4 , C1-C5 ; particularly C1-C2 , C1-C3 , C1-C4 , C1-C5, C1-C6; more particularly C1-C4 ; in the case of "Ci-C6-haloalkyl" or "Ci-C6-haloalkoxy" even more particularly C1-C2.
  • C2-C6 as used throughout this text, e.g. in the context of the definition of "C2-C6-hydroxyalkyl”, is to be understood as meaning a hydroxyalkyl group having a finite number of carbon atoms of 2 to 6, i.e. 2, 3, 4, 5, or 6 carbon atoms. It is to be understood further that said term “C2-C6” is to be interpreted as any sub-range comprised therein, e.g. C2-C6, C2-C5, C3-C4, particularly C2-C3, C2-C4, C2-C5, C2-C6.
  • C3-C6 as used throughout this text, e.g. in the context of the definition of "C3-C6-cycloalkyl”, is to be understood as meaning a cycloalkyl group having a finite number of carbon atoms of 3 to 6, i.e. 3, 4, 5 or 6 carbon atoms. It is to be understood further that said term “C3-C6” is to be interpreted as any sub-range comprised therein, e.g. C3-C6 , C4-C5 , C3-C5 , C3-C4 , C4-C6, C5-C6 ; particularly
  • substituted means that one or more hydrogens on the designated atom is replaced with a selection from the indicated group, provided that the designated atom's normal valency under the existing circumstances is not exceeded, and that the substitution results in a stable compound. Combinations of substituents and/or variables are permissible only if such combinations result in stable compounds.
  • Ring system substituent means a substituent attached to an aromatic or nonaromatic ring system which, for example, replaces an available hydrogen on the ring system.
  • the term "one or more”, e.g. in the definition of the substituents of the compounds of the general formulae of the present invention, is understood as meaning “one, two, three, four or five, particularly one, two, three or four, more particularly one, two or three, even more particularly one or two".
  • V, W, Y and Z independently of each other represent CH or CR 2 , wherein one of V, W, Y and Z represents CR 2 ", is to be understood as meaning that at least one of V, W, Y and Z represents CR 2 , and the remaining, independently from each other, represent CH or CR 2 , as it is known to a skilled person.
  • V, W, Y and Z independently of each other represent CH or CR 2 , wherein one of V, W, Y and Z represents CR 2 and the remaining represent CH; according to other embodiments of the invention, V, W, Y and Z independently of each other represent CH or CR 2 , wherein two of V, W, Y and Z, independently of each other, represent CR 2 and the remaining represent CH; still according to other embodiments of the invention, V, W, Y and Z independently of each other represent CH or CR 2 , wherein three of V, W, Y and Z, independently of each other, represent CR 2 and the remaining represents CH, for example.
  • the invention also includes all suitable isotopic variations of a compound (i.e.
  • An isotopic variation of a compound is defined as one in which at least one atom is replaced by an atom having the same atomic number but an atomic mass different from the atomic mass usually or predominantly found in nature.
  • isotopes of hydrogen, carbon, nitrogen, oxygen, phosphorus, sulphur, fluorine, chlorine, bromine and iodine such as 2 H (deuterium), 3 H (tritium), 11 C, 13 C, 14 C, 15 N, 17 0, 18 0, 32 P, 33 P, 33 S, 34 S, 35 S, 36 S, 18 F, 36 CI, 82 Br, 123 l, 124 l,
  • isotopic variations of a compound used in the combination of the present invention are useful in drug and/or substrate tissue distribution studies. Tritiated and carbon-14, i.e., 14 C, isotopes are particularly preferred for their ease of preparation and detectability. Further, substitution with isotopes such as deuterium may afford certain therapeutic advantages resulting from greater metabolic stability, for example, increased in vivo half-life or reduced dosage requirements and hence is preferred in some circumstances.
  • isotopic variations of a compound of the invention can generally be prepared by conventional procedures known by a person skilled in the art such as by the illustrative methods or by the preparations described in the examples hereafter using appropriate isotopic variations of suitable reagents.
  • stable compound' or “stable structure” is meant a compound that is sufficiently robust to survive isolation to a useful degree of purity from a reaction mixture, and formulation into an efficacious therapeutic agent.
  • the compounds used in the combination of this invention optionally contain one or more asymmetric centre, depending upon the location and nature of the various substituents desired.
  • Asymmetric carbon atoms is present in the (R) or (S) configuration, resulting in racemic mixtures in the case of a single asymmetric centre, and diastereomeric mixtures in the case of multiple asymmetric centres.
  • asymmetry may also be present due to restricted rotation about a given bond, for example, the central bond adjoining two substituted aromatic rings of the specified compounds.
  • the compounds used in the combination of the present invention optionally contain sulphur atoms which are asymmetric, such as an asymmetric sulfoxide, of structure:
  • Substituents on a ring may also be present in either cis or trans form. It is intended that all such configurations (including enantiomers and diastereomers), are included within the scope of the present invention.
  • Preferred compounds used in the combination are those which produce the more desirable biological activity.
  • Separated, pure or partially purified isomers and stereoisomers or racemic or diastereomeric mixtures of the compounds used in the combination of this invention are also included within the scope of the present invention. The purification and the separation of such materials can be accomplished by standard techniques known in the art.
  • the optical isomers can be obtained by resolution of the racemic mixtures according to conventional processes, for example, by the formation of diastereoisomeric salts using an optically active acid or base or formation of covalent diastereomers.
  • appropriate acids are tartaric, diacetyltartaric, ditoluoyltartaric and camphorsulfonic acid.
  • Mixtures of diastereoisomers can be separated into their individual diastereomers on the basis of their physical and/or chemical differences by methods known in the art, for example, by chromatography or fractional crystallisation.
  • the optically active bases or acids are then liberated from the separated diastereomeric salts.
  • a different process for separation of optical isomers involves the use of chiral chromatography (e.g., chiral HPLC columns), with or without conventional derivatisation, optimally chosen to maximise the separation of the enantiomers.
  • Suitable chiral HPLC columns are manufactured by Daicel, e.g., Chiracel OD and Chiracel OJ among many others, all routinely selectable.
  • Enzymatic separations, with or without derivatisation are also useful.
  • the optically active compounds of this invention can likewise be obtained by chiral syntheses utilizing optically active starting materials.
  • the present invention includes all possible stereoisomers of the compounds used in the combination of the present invention as single stereoisomers, or as any mixture of said stereoisomers, e.g. R- or S- isomers, or E- or Z-isomers, in any ratio.
  • Isolation of a single stereoisomer, e.g. a single enantiomer or a single diastereomer, of a compound used in the combination of the present invention is achieved by any suitable state of the art method, such as chromatography, especially chiral chromatography, for example.
  • the compounds used in the combination of the present invention may exist as tautomers.
  • the present invention includes all possible tautomers of the compounds used in the combination of the present invention as single tautomers, or as any mixture of said tautomers, in any ratio.
  • the compounds used in the combination of the present invention can exist as N-oxides, which are defined in that at least one nitrogen of the compounds of the present invention is oxidised.
  • the present invention includes all such possible N-oxides.
  • the present invention also relates to useful forms of the compounds used in the combination as disclosed herein, such as metabolites, hydrates, solvates, prodrugs, salts, in particular pharmaceutically acceptable salts, and co-precipitates.
  • the compounds used in the combination of the present invention can exist as a hydrate, or as a solvate, wherein the compounds contain polar solvents, in particular water, methanol or ethanol for example as structural element of the crystal lattice of the compounds.
  • the amount of polar solvents, in particular water may exist in a stoichiometric or non-stoichiometric ratio.
  • stoichiometric solvates e.g. a hydrate, hemi-, (semi-), mono-, sesqui-, di-, tri-, tetra-, penta- etc. solvates or hydrates, respectively, are possible.
  • the present invention includes all such hydrates or solvates.
  • the compounds used in the combination of the present invention can exist in free form, e.g. as a free base, or as a free acid, or as a zwitterion, or can exist in the form of a salt.
  • Said salt may be any salt, either an organic or inorganic addition salt, particularly any pharmaceutically acceptable organic or inorganic addition salt, customarily used in pharmacy.
  • pharmaceutically acceptable salt refers to a relatively non-toxic, inorganic or organic acid addition salt of a compound of the present invention.
  • pharmaceutically acceptable salt refers to a relatively non-toxic, inorganic or organic acid addition salt of a compound of the present invention.
  • S. M. Berge, et al. “Pharmaceutical Salts,” J. Pharm. Sci. 1977, 66, 1 -19.
  • a suitable pharmaceutically acceptable salt of the compounds used in the combination of the present invention may be, for example, an acid-addition salt of a compound bearing a nitrogen atom, in a chain or in a ring, for example, which is sufficiently basic, such as an acid-addition salt with an inorganic acid, such as hydrochloric, hydrobromic, hydroiodic, sulfuric, bisulfuric, phosphoric, or nitric acid, for example, or with an organic acid, such as formic, acetic, acetoacetic, pyruvic, trifluoroacetic, propionic, butyric, hexanoic, heptanoic, undecanoic, lauric, benzoic, salicylic, 2-(4-hydroxybenzoyl)- benzoic, camphoric, cinnamic, cyclopentanepropionic, digluconic, 3-hydroxy-2- naphthoic, nicotinic, pamoic, pectinic, per
  • an alkali metal salt for example a sodium or potassium salt
  • an alkaline earth metal salt for example a calcium or magnesium salt
  • an ammonium salt or a salt with an organic base which affords a physiologically acceptable cation, for example a salt with N-methyl-glucamine, dimethyl-glucamine, ethyl-glucamine, lysine, dicyclohexylamine, 1 ,6-hexadiamine, ethanolamine, glucosamine, sarcosine, serinol, tris-hydroxy-methyl-aminomethane, aminopropandiol, sovak-base, 1 -amino-2,3,4-butantriol.
  • basic nitrogen containing groups may be quaternised with such agents as lower alkyl halides such as methyl, ethyl, propyl, and butyl chlorides, bromides and iodides; dialkyl sulfates like dimethyl, diethyl, and dibutyl sulfate ; and diamyl sulfates, long chain halides such as decyl, lauryl, myristyl and strearyl chlorides, bromides and iodides, aralkyl halides like benzyl and phenethyl bromides and others.
  • lower alkyl halides such as methyl, ethyl, propyl, and butyl chlorides, bromides and iodides
  • dialkyl sulfates like dimethyl, diethyl, and dibutyl sulfate
  • diamyl sulfates long chain halides such as decyl, lau
  • acid addition salts of the compounds may be prepared by reaction of the compounds with the appropriate inorganic or organic acid via any of a number of known methods.
  • alkali and alkaline earth metal salts of acidic compounds used in the combination of the invention are prepared by reacting the compounds with the appropriate base via a variety of known methods.
  • the present invention includes all possible salts of the compounds used in the combination of the present invention as single salts, or as any mixture of said salts, in any ratio.
  • the present text in particular in the Experimental Section, for the synthesis of intermediates and of examples of the present invention, when a compound is mentioned as a salt form with the corresponding base or acid, the exact stoichiometric composition of said salt form, as obtained by the respective preparation and/or purification process, is, in most cases, unknown.
  • in vivo hydrolysable ester is understood as meaning an in vivo hydrolysable ester of a compound used in the combination of the present invention containing a carboxy or hydroxy group, for example, a pharmaceutically acceptable ester which is hydrolysed in the human or animal body to produce the parent acid or alcohol.
  • suitable pharmaceutically acceptable esters for carboxy include for example alkyl, cycloalkyl and optionally substituted phenylalkyl, in particular benzyl esters, C1-C6 alkoxymethyl esters, e.g. methoxymethyl, C1-C6 alkanoyloxymethyl esters, e.g.
  • pivaloyloxymethyl phthalidyl esters, C3-C8 cycloalkyloxy-carbonyloxy-Ci-C6 alkyl esters, e.g. 1 -cyclohexylcarbonyloxyethyl; 1 ,3-dioxolen-2-onylmethyl esters, e.g. 5-methyl-1 ,3- dioxolen-2-onylmethyl; and Ci-C6-alkoxycarbonyloxyethyl esters, e.g. 1 -methoxycarbonyloxyethyl, and may be formed at any carboxy group in the compounds used in the combination of this invention.
  • An in vivo hydrolysable ester of a compound used in the combination of the present invention containing a hydroxy group includes inorganic esters such as phosphate esters and [alpha]-acyloxyalkyl ethers and related compounds which as a result of the in vivo hydrolysis of the ester breakdown to give the parent hydroxy group.
  • inorganic esters such as phosphate esters and [alpha]-acyloxyalkyl ethers and related compounds which as a result of the in vivo hydrolysis of the ester breakdown to give the parent hydroxy group.
  • [alpha]-acyloxyalkyl ethers include acetoxymethoxy and
  • a selection of in vivo hydrolysable ester forming groups for hydroxy include alkanoyl, benzoyl, phenylacetyl and substituted benzoyl and phenylacetyl, alkoxycarbonyl (to give alkyl carbonate esters), dialkylcarbamoyl and N- (dialkylaminoethyl)-N-alkylcarbamoyl (to give carbamates), dialkylaminoacetyl and carboxyacetyl.
  • the present invention covers all such esters.
  • the present invention includes all possible crystalline forms, or polymorphs, of the compounds used in the combination of the present invention, either as single polymorph, or as a mixture of more than one polymorph, in any ratio.
  • pharmacokinetic profile means one single parameter or a combination thereof including permeability, bioavailability, exposure, and pharmacodynamic parameters such as duration, or magnitude of pharmacological effect, as measured in a suitable experiment.
  • Compounds with improved pharmacokinetic profiles can, for example, be used in lower doses to achieve the same effect, may achieve a longer duration of action, or a may achieve a combination of both effects.
  • a "fixed combination” in the present invention is used as known to persons skilled in the art and is defined as a combination wherein component A and component B are present together in one unit dosage or in a single entity.
  • a "fixed combination” is a pharmaceutical composition wherein the said component A and the said component B are present in admixture for simultaneous administration, such as in a formulation.
  • Another example of a "fixed combination” is a pharmaceutical combination wherein the said component A and the said component B are present in one unit without being in admixture.
  • a non-fixed combination or "kit-of-parts" in the present invention is used as known to persons skilled in the art and is defined as a combination wherein the said component A and the said component B (and optionally component C) are present in more than one unit.
  • a non-fixed combination or kit-of-parts is a combination wherein the said component A and the said component B (and optionally component C) are present separately, for example in different and separate pharmaceutical compositions.
  • the components of the non-fixed combination or kit-of-parts may be administered separately, sequentially, simultaneously, concurrently or chronologically staggered.
  • Component A can be selected from inhibitors of Bub1 -kinase or a pharmaceutically acceptable salt, solvate, hydrate or stereoisomer thereof specifically or generically disclosed e.g. in the publications as mentioned above which are incorporated herein by reference.
  • Component A is selected from the group of Bub1 inhibitors generically or specifically disclosed in WO 2016/042084, which are incorporated by reference herein.
  • component A is an inhibitor of Bub1 of general formula (I),
  • V, W, Y and Z independently of each other represent CH or CR 2 , wherein one of V, W,
  • V and Z represents CR 2
  • V represents N, and W, Y and Z independently of each other represent CH or CR 2 , or,
  • V and Y represent N, and W and Z independently of each other represent CH or CR 2 ,
  • R 1 represents a group selected from:
  • Ci-C6-alkyl Ci-C6-haloalkyl, C3-C6-cycloalkyl,
  • R 2 represents, independently of each other, halogen or a group selected from: Ci-C3-alkyl, C3-C4-cycloalkyl, Ci-C3-haloalkyl, Ci-C3-alkoxy,
  • Ci-C 4 -alkoxy Ci-C 4 -haloalkoxy, C3-C 4 -cycloalkyl, and
  • R 3 represents a group selected from:
  • said C2-C6-hydroxyalkyl groups being optionally substituted with one, two halogen atoms selected from:
  • R 5 and R 7 independently of each other represent hydrogen (glycine) or a group selected from:
  • -CH 3 (alanine), -C(H)(CH 3 ) 2 (valine), -(CH 2 ) 2 CH 3 (norvaline), -CH 2 C(H)(CH 3 )2 (leucine), -C(H)(CH 3 )CH 2 CH3 (isoleucine), -(CH 2 ) 3 CH 3 (norleucine), -C(CH 3 ) 3 (2-ie/f-butylglycine), benzyl (phenylalanine), 4-hydroxybenzyl (tyrosine), -(Chb ⁇ Nhb (ornithine), -(CH2) 4 NH2 (lysine), -(CH 2 )2C(H)(OH)CH 2 NH2 (hydroxylysine), -CH 2 OH (serine), -(CH 2 ) 2 OH (homoserine), -C(H)(OH)CH 3 (threonine), -(CH 2 ) 3 N(
  • R 8 represents hydrogen or a group selected from:
  • Ci-C3-alkyl Ci-C3-haloalkyl, C2-C3-hydroxyalkyl, C3-C4-cycloalkyl,
  • component A is an inhibitor of Bub1 of general formula (I) supra,
  • V, W, Y and Z independently of each other represent CH or CR 2 , wherein one of V, W,
  • Y and Z represents CR 2
  • V represents N, and W, Y and Z independently of each other represent CH or CR 2 ,
  • R 1 represents a group selected from:
  • R 2 represents, independently of each other, halogen or a group selected from: Ci-C 3 -alkyl, C 3 -C 4 -cycloalkyl, Ci-C 3 -haloalkyl, Ci-C 3 -alkoxy,
  • R 3 represents a group selected from:
  • said C2-C6-hydroxyalkyl groups being optionally substituted with one, two or three halogen atoms selected from:
  • R 5 and R 7 independently of each other represent hydrogen (glycine) or a group selected from:
  • -CHs (alanine), -C(H)(CH 3 ) 2 (valine), -(CH 2 ) 2 CH 3 (norvaline), -CH 2 C(H)(CH 3 )2 (leucine), -C(H)(CH 3 )CH 2 CH3 (isoleucine), -(CH 2 ) 3 CH 3 (norleucine), -C(CH 3 ) 3 (2-ie/f-butylglycine), benzyl (phenylalanine), 4-hydroxybenzyl (tyrosine), -(CH2) 3 NH2 (ornithine), -(Chb ⁇ Nhb (lysine), -(CH 2 )2C(H)(OH)CH 2 NH2 (hydroxylysine), -CH 2 OH (serine), -(CH 2 ) 2 OH (homoserine), -C(H)(OH)CH 3 (threonine), -(CH 2 ) 3 N(
  • Ci-C 3 -alkyl Ci-C 3 -haloalkyl, C2-C 3 -hydroxyalkyl, C 3 -C4-cycloalkyl,
  • component A is an inhibitor of Bub1 of general formula (I) supra,
  • V, W, Y and Z independently of each other represent CH or CR 2 , wherein one of V, W, Y and Z represents CR 2
  • V represents N, and W, Y and Z independently of each other represent CH or CR 2 ,
  • R 1 represents a group selected from:
  • R 2 represents, independently of each other, halogen or a group selected from: Ci-C3-alkyl, C3-C 4 -cycloalkyl, Ci-C3-haloalkyl, Ci-C3-alkoxy,
  • Ci-C 4 -alkoxy Ci-C 4 -haloalkoxy, C3-C 4 -cycloalkyl, and
  • R 3 represents a group selected from:
  • said C2-C6-hydroxyalkyl group being optionally substituted with one, two or three halogen atoms selected from:
  • R 5 and R 7 independently of each other represent a group selected from:
  • R 8 represents hydrogen or a group selected from:
  • Ci-C 3 -alkyl Ci-C 3 -haloalkyl, C 2 -C 3 -hydroxyalkyl, C 3 -C 4 -cycloalkyl,
  • component A is an inhibitor of Bub1 of general formula (I) supra,
  • V, W, Y and Z independently of each other represent CH or CR 2 , wherein one of V, W, Y and Z represents CR 2
  • V represents N, and W, Y and Z independently of each other represent CH or CR 2 , R 1 represents a Ci-C 3 -alkyl group,
  • R 2 represents, independently of each other, halogen or a group selected from: Ci-C 3 -alkyl, C 3 -C 4 -cycloalkyl, Ci-C 3 -haloalkyl, Ci-C 3 -alkoxy,
  • R 3 represents a group selected from:
  • R 5 and R 7 independently of each other represent a group selected from: -CHs (alanine), and -(CH 2 ) 4 NH2 (lysine), or an N-oxide, a salt, a tautomer or a stereoisomer of said compound, or a salt of said N-oxide, tautomer or stereoisomer.
  • component A is an inhibitor of Bub1 of general formula (I) supra,
  • V, W, Y and Z independently of each other represent CH or CR 2 , wherein one of V, W,
  • Y and Z represents CR 2
  • V represents N, and W, Y and Z independently of each other represent CH or CR 2 ,
  • R 1 represents a Ci-C3-alkyl group
  • R 3 represents a group selected from:
  • R 5 and R 7 independently of each other represent a group selected from:
  • component A is an inhibitor of Bub1 of general formula (I) supra,
  • V, W, Y and Z independently of each other represent CH or CR 2 , wherein one of V, W,
  • Y and Z represents CR 2
  • V represents N
  • W, Y and Z independently of each other represent CH or CR 2
  • R 1 represents a methyl group
  • R 2 represents, independently of each other, fluorine, chlorine or a group selected from:
  • R 3 represents a group selected from:
  • R 5 represents -CH3 (alanine)
  • R 7 represents -(CH 2 ) 4 NH 2 (lysine)
  • N-oxide a salt, a tautomer or a stereoisomer of said compound, or a salt of said N-oxide, tautomer or stereoisomer.
  • component A is an inhibitor of Bub1 of general formula (I) supra,
  • V, W, Y and Z independently of each other represent CH or CR 2 , wherein one of V, W,
  • Y and Z represents CR 2
  • V represents N
  • W, Y and Z independently of each other represent CH or CR 2
  • R 1 represents a methyl group
  • R 2 represents, independently of each other, fluorine, chlorine or a group selected from:
  • R 3 represents a group selected from:
  • R 5 represents -CH3 (alanine)
  • R 7 represents -(CH 2 ) 4 NH 2 (lysine), or an N-oxide, a salt, a tautomer or a stereoisomer of said compound, or a salt of said N-oxide, tautomer or stereoisomer.
  • component A is an inhibitor of Bub1 of general formula (I) supra,
  • V, W, Y and Z independently of each other represent CH or CR 2 , wherein one of V, W,
  • Y and Z represents CR 2
  • V represents N
  • W, Y and Z independently of each other represent CH or CR 2
  • R 1 represents a methyl group
  • R 2 represents, independently of each other, fluorine, chlorine or a group selected from:
  • R 3 represents a -(Ch ⁇ OH group, or an N-oxide, a salt, a tautomer or a stereoisomer of said compound, or a salt of said N-oxide, tautomer or stereoisomer.
  • component A is a compound selected from the group consisting of :
  • component A is is 2- ⁇ 3,5-difluoro-4-[(3- ⁇ 5- methoxy-4-[(3-methoxypyridin-4-yl)amino]pyrimidin-2-yl ⁇ -1 /-/-indazol-1 - yl)methyl]phenoxy ⁇ ethanol,
  • said component A is 2- ⁇ 3,5-difluoro-4-[(3- ⁇ 5-methoxy- 4-[(3-methoxypyridin-4-yl)amino]pyrimidin-2-yl ⁇ -1 /-/-indazol-1 -yl)methyl]phenoxy ⁇ ethanol or a pharmaceutically acceptable salt thereof.
  • component A is 2- ⁇ 3,5-difluoro-4-[(3- ⁇ 5- methoxy-4-[(3-methoxypyridin-4-yl)amino]pyrimidin-2-yl ⁇ -1 /-/-indazol-1 - yl)methyl]phenoxy ⁇ ethanol.
  • component A is selected from the group of Bub1 inhibitors described generically or specifically in:
  • component A is selected from the group of Bub1 inhibitors described generically or specifically in:
  • Bub1 -inhibitors mentioned in the prior art as well as in the lists above have been disclosed for the treatment or prophylaxis of different diseases, especially cancer.
  • a combination of the present invention comprising Compound A1 as mentioned above and a PI3K inhibitor is a preferred embodiment of the invention.
  • Another embodiment of the present invention covers a combination comprising the Compound A1 or a pharmaceutically acceptable salt thereof as mentioned above and a PI3K inhibitor or a pharmaceutically acceptable salt thereof.
  • Another embodiment of the present invention covers a combination wherein the component B is an inhibitor of ⁇ 3 ⁇ , ⁇ 3 ⁇ , ⁇ 3 ⁇ and/or ⁇ 3 ⁇ isoforms.
  • Another embodiment of the present invention covers a combination comprising the Compound A1 or a pharmaceutically acceptable salt thereof and a PI3K inhibitor which is copanlisib or a pharmaceutically acceptable salt thereof, particularly copanlisib dihydrochloride.
  • Component A may be administered by the oral, intravenous, topical, local installations, intraperitoneal or nasal route.
  • Component A is administered intravenously, intraperitoneally or orally.
  • Compound A1 is administered preferably orally.
  • Component B is a PI3K inhibitor, or a pharmaceutically acceptable salt, solvate, hydrate or stereoisomer thereof.
  • component B is an inhibitor of PI3K alpha, beta, gamma, and/or delta isoforms.
  • component B is an inhibitor of PI3K inhibitor selected from the group consisting of:
  • component B is a PI3K inhibitor which is copanlisib, or a pharmaceutically acceptable salt, solvate, hydrate or stereoisomer thereof.
  • component B is a PI3K inhibitor which is copanlisib or copanlisib dihydrochloride.
  • component B is a PI3K inhibitor which is BAY1082439, or a pharmaceutically acceptable salt, solvate, hydrate or stereoisomer thereof.
  • PI3K inhibitors according to the present invention are commercially available and/or can be prepared according to methods readily available to a skilled person.
  • references which are incorporated herein by reference, describe methods to prepare PI3K inhibitors:
  • Component B preferably is administered by the more appropriate route within the knowledge of the skilled person.
  • Component B may be administered by the oral, intravenous, topical, local installations, intraperitoneal or nasal route.
  • Component B is copanlisib, or a pharmaceutically acceptable salt, solvate, hydrate or stereoisomer thereof. According to certain embodiments of the present invention Component B is copanlisib.
  • Component B is copanlisib dihydrochloride.
  • Copanlisib is a PI3K inhibitor being investigated as a potential anti-cancer agent. It has been/is being tested in clinical trials in patients with disorders such as Indolent B-cell Non-Hodgkin's Lymphoma, for example.
  • copanlisib is administered intravenously.
  • copanlisib typically was administered as lyophilized preparation in a 6 mL injection vial.
  • the total amount of copanlisib per vial is 45 - 60 mg.
  • a solution for intravenous infusion can be obtained after reconstitution with normal saline solution.
  • copanlisib is administered once weekly (Days 1 , 8 and 15) of each 28-day cycle.
  • the dosing and/or dosing regimen of copanlisib may be adjusted according to patients' response, adverse events and or co-treatment with other drugs by the skilled person using methods readily available to him/her.
  • the present invention relates to a combination of any component A mentioned herein with any component B mentioned herein, optionally with any component C mentioned herein.
  • component A of the combination is the compound used in the experimental section (compound A1 ) and Component B is a PI3K inhibitor used in the experimental section.
  • the present invention relates to a combination of a component A with a component B, optionally with a component C, as mentioned in the Examples Section herein. Further, the present invention relates to :
  • kit comprising:
  • component A one or more Bub1 -kinase inhibitors, or a pharmaceutically acceptable salt, solvate, hydrate or stereoisomer thereof ;
  • component B an inhibitor of PI3K, or a pharmaceutically acceptable salt, solvate, hydrate or stereoisomer thereof; and, optionally, component C : one or more further pharmaceutical agents;
  • component C being at least one pharmaceutical agent includes the effective compound itself as well as its pharmaceutically acceptable salts, solvates, hydrates or stereoisomers as well as any composition or pharmaceutical formulation comprising such effective compound or its pharmaceutically acceptable salts, solvates, hydrates or stereoisomers.
  • a list of such readily available agents is being provided further below.
  • the components may be administered together or independently of one another by the oral, intravenous, topical, local installations, intraperitoneal or nasal route.
  • Component C being administered as the case may be.
  • Components of this invention can be tableted with conventional tablet bases such as lactose, sucrose and cornstarch in combination with binders such as acacia, corn starch or gelatin, disintegrating agents intended to assist the break-up and dissolution of the tablet following administration such as potato starch, alginic acid, corn starch, and guar gum, gum tragacanth, acacia, lubricants intended to improve the flow of tablet granulation and to prevent the adhesion of tablet material to the surfaces of the tablet dies and punches, for example talc, stearic acid, or magnesium, calcium or zinc stearate, dyes, coloring agents, and flavoring agents such as peppermint, oil of wintergreen, or cherry flavoring, intended to enhance the aesthetic qualities of the tablets and make them more acceptable to the patient.
  • binders such as acacia, corn starch or gelatin
  • disintegrating agents intended to assist the break-up and dissolution of the tablet following administration such as potato starch, alginic acid, corn
  • Suitable excipients for use in oral liquid dosage forms include dicalcium phosphate and diluents such as water and alcohols, for example, ethanol, benzyl alcohol, and polyethylene alcohols, either with or without the addition of a pharmaceutically acceptable surfactant, suspending agent or emulsifying agent.
  • Various other materials may be present as coatings or to otherwise modify the physical form of the dosage unit. For instance tablets, pills or capsules may be coated with shellac, sugar or both.
  • Dispersible powders and granules are suitable for the preparation of an aqueous suspension. They provide the active ingredient in admixture with a dispersing or wetting agent, a suspending agent and one or more preservatives. Suitable dispersing or wetting agents and suspending agents are exemplified by those already mentioned above. Additional excipients, for example those sweetening, flavoring and coloring agents described above, may also be present.
  • Components of this invention can also be in the form of oil-in-water emulsions.
  • the oily phase may be a vegetable oil such as liquid paraffin or a mixture of vegetable oils.
  • Suitable emulsifying agents may be (1 ) naturally occurring gums such as gum acacia and gum tragacanth, (2) naturally occurring phosphatides such as soy bean and lecithin, (3) esters or partial esters derived form fatty acids and hexitol anhydrides, for example, sorbitan monooleate, (4) condensation products of said partial esters with ethylene oxide, for example, polyoxyethylene sorbitan monooleate.
  • the emulsions may also contain sweetening and flavoring agents.
  • Oily suspensions can be formulated by suspending the active ingredient in a vegetable oil such as, for example, arachis oil, olive oil, sesame oil or coconut oil, or in a mineral oil such as liquid paraffin.
  • the oily suspensions may contain a thickening agent such as, for example, beeswax, hard paraffin, or cetyl alcohol.
  • the suspensions may also contain one or more preservatives, for example, ethyl or n-propyl p-hydroxybenzoate; one or more coloring agents; one or more flavoring agents; and one or more sweetening agents such as sucrose or saccharin.
  • Syrups and elixirs can be formulated with sweetening agents such as, for example, glycerol, propylene glycol, sorbitol or sucrose. Such formulations may also contain a demulcent, and preservative, such as methyl and propyl parabens and flavoring and coloring agents.
  • sweetening agents such as, for example, glycerol, propylene glycol, sorbitol or sucrose.
  • Such formulations may also contain a demulcent, and preservative, such as methyl and propyl parabens and flavoring and coloring agents.
  • Components of this invention can also be administered parenterally, that is, subcutaneously, intravenously, intraocularly, intrasynovially, intramuscularly, or interperitoneally, as injectable dosages of the component in preferably a physiologically acceptable diluent with a pharmaceutical carrier which can be a sterile liquid or mixture of liquids such as water, saline, aqueous dextrose and related sugar solutions, an alcohol such as ethanol, isopropanol, or hexadecyl alcohol, glycols such as propylene glycol or polyethylene glycol, glycerol ketals such as 2,2-dimethyl-1 ,1 -dioxolane-4- methanol, ethers such as poly(ethylene glycol) 400, an oil, a fatty acid, a fatty acid ester or, a fatty acid glyceride, or an acetylated fatty acid glyceride, with or without the addition of a pharmaceutically acceptable
  • Suitable fatty acids include oleic acid, stearic acid, isostearic acid and myristic acid.
  • Suitable fatty acid esters are, for example, ethyl oleate and isopropyl myristate.
  • Suitable soaps include fatty acid alkali metal, ammonium, and triethanolamine salts and suitable detergents include cationic detergents, for example dimethyl dialkyl ammonium halides, alkyl pyridinium halides, and alkylamine acetates; anionic detergents, for example, alkyl, aryl, and olefin sulfonates, alkyl, olefin, ether, and monoglyceride sulfates, and sulfosuccinates; non-ionic detergents, for example, fatty amine oxides, fatty acid alkanolamides, and poly(oxyethylene-oxypropylene)s or ethylene oxide or propylene oxide copolymers; and amphoteric detergents, for example, alkyl-beta- aminopropionates, and 2-alkylimidazoline quarternary ammonium salts, as well as mixtures.
  • suitable detergents include cationic detergents, for example dimethyl dial
  • compositions of this invention will typically contain from about 0.5% to about 25% by weight of the active ingredient in solution. Preservatives and buffers may also be used advantageously. In order to minimize or eliminate irritation at the site of injection, such compositions may contain a non-ionic surfactant having a hydrophile- lipophile balance (HLB) preferably of from about 12 to about 17. The quantity of surfactant in such formulation preferably ranges from about 5% to about 15% by weight.
  • the surfactant can be a single component having the above HLB or can be a mixture of two or more components having the desired HLB.
  • surfactants used in parenteral formulations are the class of polyethylene sorbitan fatty acid esters, for example, sorbitan monooleate and the high molecular weight adducts of ethylene oxide with a hydrophobic base, formed by the condensation of propylene oxide with propylene glycol.
  • compositions can be in the form of sterile injectable aqueous suspensions.
  • suspensions may be formulated according to known methods using suitable dispersing or wetting agents and suspending agents such as, for example, sodium carboxymethylcellulose, methylcellulose, hydroxypropylmethyl-cellulose, sodium alginate, polyvinylpyrrolidone, gum tragacanth and gum acacia; dispersing or wetting agents which may be a naturally occurring phosphatide such as lecithin, a condensation product of an alkylene oxide with a fatty acid, for example, polyoxyethylene stearate, a condensation product of ethylene oxide with a long chain aliphatic alcohol, for example, heptadeca-ethyleneoxycetanol, a condensation product of ethylene oxide with a partial ester derived form a fatty acid and a hexitol such as polyoxyethylene sorbitol monooleate, or a condensation product of an ethylene oxide with a partial ester derived from a
  • the sterile injectable preparation can also be a sterile injectable solution or suspension in a non-toxic parenterally acceptable diluent or solvent.
  • Diluents and solvents that may be employed are, for example, water, Ringer's solution, isotonic sodium chloride solutions and isotonic glucose solutions.
  • sterile fixed oils are conventionally employed as solvents or suspending media.
  • any bland, fixed oil may be employed including synthetic mono- or diglycerides.
  • fatty acids such as oleic acid can be used in the preparation of injectables.
  • Components of the invention can also be administered in the form of suppositories for rectal administration of the drug.
  • These components can be prepared by mixing the drug with a suitable non-irritation excipient which is solid at ordinary temperatures but liquid at the rectal temperature and will therefore melt in the rectum to release the drug.
  • suitable non-irritation excipient which is solid at ordinary temperatures but liquid at the rectal temperature and will therefore melt in the rectum to release the drug.
  • Such materials are, for example, cocoa butter and polyethylene glycol.
  • transdermal delivery devices Such transdermal patches may be used to provide continuous or discontinuous infusion of the compounds of the present invention in controlled amounts.
  • the construction and use of transdermal patches for the delivery of pharmaceutical agents is well known in the art (see, e.g., US Patent No. 5,023,252, issued June 1 1 , 1991 , incorporated herein by reference).
  • patches may be constructed for continuous, pulsatile, or on demand delivery of pharmaceutical agents.
  • Controlled release formulations for parenteral administration include liposomal, polymeric microsphere and polymeric gel formulations that are known in the art. It can be desirable or necessary to introduce a component of the present invention to the patient via a mechanical delivery device.
  • the construction and use of mechanical delivery devices for the delivery of pharmaceutical agents is well known in the art.
  • Direct techniques for, for example, administering a drug directly to the brain usually involve placement of a drug delivery catheter into the patient's ventricular system to bypass the blood-brain barrier.
  • One such implantable delivery system used for the transport of agents to specific anatomical regions of the body, is described in US Patent No. 5,01 1 ,472, issued April 30, 1991.
  • compositions of the invention can also contain other conventional pharmaceutically acceptable compounding ingredients, generally referred to as carriers or diluents, as necessary or desired.
  • Conventional procedures for preparing such compositions in appropriate dosage forms can be utilized. Such ingredients and procedures include those described in the following references, each of which is incorporated herein by reference: Powell, M.F. et al, "Compendium of Excipients for Parenteral Formulations” PDA Journal of Pharmaceutical Science & Technology 1998, 52(5), 238-31 1 ; Strickley, R.G “Parenteral Formulations of Small Molecule Therapeutics Marketed in the United States (1999)-Part-1 " PDA Journal of Pharmaceutical Science & Technology 1999, 53(6), 324-349; and Nema, S.
  • compositions for its intended route of administration include: acidifying agents (examples include but are not limited to acetic acid, citric acid, fumaric acid, hydrochloric acid, nitric acid); alkalinizing agents (examples include but are not limited to ammonia solution, ammonium carbonate, diethanolamine, monoethanolamine, potassium hydroxide, sodium borate, sodium carbonate, sodium hydroxide, triethanolamine, trolamine); adsorbents (examples include but are not limited to powdered cellulose and activated charcoal); aerosol propellants (examples include but are not limited to carbon dioxide, CCI2F2, air displacement agents (examples include but are not limited to nitrogen and argon); antifungal preservatives (examples include but are not limited to be
  • clarifying agents include but are not limited to bentonite
  • emulsifying agents include but are not limited to acacia, cetomacrogol, cetyl alcohol, glyceryl monostearate, lecithin, sorbitan monooleate, polyoxyethylene 50 monostearate
  • encapsulating agents include but are not limited to gelatin and cellulose acetate phthalate
  • flavorants include but are not limited to anise oil, cinnamon oil, cocoa, menthol, orange oil, peppermint oil and vanillin
  • humectants include but are not limited to glycerol, propylene glycol and sorbitol
  • levigating agents include but are not
  • compositions according to the present invention can be illustrated as follows:
  • Sterile IV Solution A 5 mg/mL solution of the desired compound of this invention can be made using sterile, injectable water, and the pH is adjusted if necessary. The solution is diluted for administration to 1 - 2 mg/mL with sterile 5% dextrose and is administered as an IV infusion over about 60 minutes.
  • a sterile preparation can be prepared with (i) 100 - 1000 mg of the desired compound of this invention as a lypholized powder, (ii) 32- 327 mg/mL sodium citrate, and (iii) 300 - 3000 mg Dextran 40.
  • the formulation is reconstituted with sterile, injectable saline or dextrose 5% to a concentration of 10 to 20 mg/mL, which is further diluted with saline or dextrose 5% to 0.2 - 0.4 mg/mL, and is administered either IV bolus or by IV infusion over 15 - 60 minutes.
  • Intramuscular suspension The following solution or suspension can be prepared, for intramuscular injection:
  • Hard Shell Capsules A large number of unit capsules are prepared by filling standard two-piece hard galantine capsules each with 100 mg of powdered active ingredient, 150 mg of lactose, 50 mg of cellulose and 6 mg of magnesium stearate.
  • Soft Gelatin Capsules A mixture of active ingredient in a digestible oil such as soybean oil, cottonseed oil or olive oil is prepared and injected by means of a positive displacement pump into molten gelatin to form soft gelatin capsules containing 100 mg of the active ingredient. The capsules are washed and dried. The active ingredient can be dissolved in a mixture of polyethylene glycol, glycerin and sorbitol to prepare a water miscible medicine mix.
  • Tablets A large number of tablets are prepared by conventional procedures so that the dosage unit is 100 mg of active ingredient, 0.2 mg. of colloidal silicon dioxide, 5 mg of magnesium stearate, 275 mg of microcrystalline cellulose, 1 1 mg. of starch, and 98.8 mg of lactose. Appropriate aqueous and non-aqueous coatings may be applied to increase palatability, improve elegance and stability or delay absorption. Immediate Release Tablets/Capsules: These are solid oral dosage forms made by conventional and novel processes. These units are taken orally without water for immediate dissolution and delivery of the medication. The active ingredient is mixed in a liquid containing ingredient such as sugar, gelatin, pectin and sweeteners.
  • a liquid containing ingredient such as sugar, gelatin, pectin and sweeteners.
  • the drug compounds may be compressed with viscoelastic and thermoelastic sugars and polymers or effervescent components to produce porous matrices intended for immediate release, without the need of water.
  • the compounds of formula (I) or pharmaceutically acceptable salts, solvates, hydrates or stereoisomers thereof according to the combination as referred to above are components A.
  • the compounds according to the combination have valuable pharmaceutical properties, which make them commercially utilizable. In particular, they inhibit Bub1 kinase and are expected to be commercially applicable in the therapy of diseases (e.g. cancer).
  • Component B
  • Due to the mechanism as discussed in the introductory section component B is especially suitable to have effects on tumor diseases. In particular, they inhibit PI3K and are commercially applicable in the therapy of diseases (e.g. cancer).
  • the combinations of the present invention thus can be used for the treatment or prophylaxis of diseases of uncontrolled cell growth, proliferation and/or survival, inappropriate cellular immune responses, or inappropriate cellular inflammatory responses, or diseases which are accompanied with uncontrolled cell growth, proliferation and/or survival, inappropriate cellular immune responses, or inappropriate cellular inflammatory responses, particularly in which the uncontrolled cell growth, proliferation and/or survival, inappropriate cellular immune responses, or inappropriate cellular inflammatory responses, such as, for example, haematological tumours, solid tumours, and/or metastases thereof, e.g.
  • leukaemias and myelodysplastic syndrome including leukaemias and myelodysplastic syndrome, malignant lymphomas, head and neck tumours including brain tumours and brain metastases, tumours of the thorax including non-small cell and small cell lung tumours, gastrointestinal tumours, endocrine tumours, mammary and other gynaecological tumours, urological tumours including renal, bladder and prostate tumours, skin tumours, and sarcomas, and/or metastases thereof.
  • One embodiment relates to the use of a combination according to the invention for the preparation of a medicament for the treatment or prophylaxis of a cancer, particularly NSCLC or colon cancer and/or metastases thereof.
  • One embodiment relates to a combination according to the invention for the use in the treatment or prophylaxis of a cancer, particularly NSCLC or colon cancer and/or metastases thereof.
  • the invention relates to a method of treatment or prophylaxis of a cancer, NSCLC or colon cancer and/or metastases thereof, in a subject, comprising administering to said subject a therapeutically effective amount of a combination according to the present invention.
  • Preferred uses of the combinations of the invention are the treatment of NSCLC or colon cancer and/or metastases thereof.
  • One preferred embodiment is the use of the combinations of the invention for the treatment of the disorders tested in the experimental section.
  • inappropriate within the context of the present invention, in particular in the context of "inappropriate cellular immune responses, or inappropriate cellular inflammatory responses", as used herein, is to be understood as preferably meaning a response which is less than, or greater than normal, and which is associated with, responsible for, or results in, the pathology of said diseases.
  • Combinations of the present invention might be utilized to inhibit, block, reduce, decrease, etc., cell proliferation and/or cell division, and/or produce apoptosis.
  • This invention includes a method comprising administering to a mammal in need thereof, including a human, an amount of a component A or a pharmaceutically acceptable salt, isomer, polymorph, metabolite, hydrate, solvate or ester thereof , and an amount of component B of this invention, or a pharmaceutically acceptable salt, isomer, polymorph, metabolite, hydrate, solvate or ester thereof ; which is effective to treat the disorder.
  • Hyper-proliferative disorders include but are not limited, e.g., psoriasis, keloids, and other hyperplasias affecting the skin, benign prostate hyperplasia (BPH), as well as malignant neoplasia.
  • BPH benign prostate hyperplasia
  • malignant neoplasia treatable with the compounds according to the present invention include solid and hematological tumors. Solid tumors can be exemplified by tumors of the breast, bladder, bone, brain, central and peripheral nervous system, colon, anum, endocrine glands (e.g.
  • malignant neoplasias include inherited cancers exemplified by Retinoblastoma and Wilms tumor. In addition, malignant neoplasias include primary tumors in said organs and corresponding secondary tumors in distant organs ("tumor metastases").
  • Hematological tumors can be exemplified by aggressive and indolent forms of leukemia and lymphoma, namely non- Hodgkins disease, chronic and acute myeloid leukemia (CML / AML), acute lymphoblastic leukemia (ALL), Hodgkins disease, multiple myeloma and T-cell lymphoma. Also included are myelodysplastic syndrome, plasma cell neoplasia, paraneoplastic syndromes, and cancers of unknown primary site as well as AIDS related malignancies.
  • breast cancer examples include, but are not limited to invasive ductal carcinoma, invasive lobular carcinoma, ductal carcinoma in situ, and lobular carcinoma in situ.
  • cancers of the respiratory tract include, but are not limited to small-cell and non-small-cell lung carcinoma, as well as bronchial adenoma and pleuropulmonary blastoma.
  • brain cancers include, but are not limited to brain stem and hypophtalmic glioma, cerebellar and cerebral astrocytoma, medulloblastoma, ependymoma, as well as neuroectodermal and pineal tumor.
  • Tumors of the male reproductive organs include, but are not limited to prostate and testicular cancer.
  • Tumors of the female reproductive organs include, but are not limited to endometrial, cervical, ovarian, vaginal, and vulvar cancer, as well as sarcoma of the uterus.
  • Tumors of the digestive tract include, but are not limited to anal, colon, colorectal, esophageal, gallbladder, gastric, pancreatic, rectal, small-intestine, and salivary gland cancers.
  • Tumors of the urinary tract include, but are not limited to bladder, penile, kidney, renal pelvis, ureter, urethral and human papillary renal cancers.
  • Eye cancers include, but are not limited to intraocular melanoma and retinoblastoma.
  • liver cancers include, but are not limited to hepatocellular carcinoma (liver cell carcinomas with or without fibrolamellar variant), cholangiocarcinoma (intrahepatic bile duct carcinoma), and mixed hepatocellular cholangiocarcinoma.
  • Skin cancers include, but are not limited to squamous cell carcinoma, Kaposi's sarcoma, malignant melanoma, Merkel cell skin cancer, and non-melanoma skin cancer.
  • Head-and-neck cancers include, but are not limited to laryngeal, hypopharyngeal, nasopharyngeal, oropharyngeal cancer, lip and oral cavity cancer and squamous cell.
  • Lymphomas include, but are not limited to AIDS-related lymphoma, non-Hodgkin's lymphoma, cutaneous T-cell lymphoma, Burkitt lymphoma, Hodgkin's disease, and lymphoma of the central nervous system.
  • Sarcomas include, but are not limited to sarcoma of the soft tissue, osteosarcoma, malignant fibrous histiocytoma, lymphosarcoma, and rhabdomyosarcoma.
  • Leukemias include, but are not limited to acute myeloid leukemia, acute lymphoblastic leukemia, chronic lymphocytic leukemia, chronic myelogenous leukemia, and hairy cell leukemia.
  • treating or “treatment” as stated throughout this document is used conventionally, e.g., the management or care of a subject for the purpose of combating, alleviating, reducing, relieving, improving the condition of, eic, of a disease or disorder, such as a carcinoma.
  • Combinations of the present invention might also be used for treating disorders and diseases associated with excessive and/or abnormal angiogenesis.
  • Inappropriate and ectopic expression of angiogenesis can be deleterious to an organism.
  • a number of pathological conditions are associated with the growth of extraneous blood vessels. These include, e.g., diabetic retinopathy, ischemic retinal- vein occlusion, and retinopathy of prematurity [Aiello et al. New Engl. J. Med. 1994, 331 , 1480 ; Peer et al. Lab. Invest. 1995, 72, 638], age-related macular degeneration [AMD ; see, Lopez et al. Invest. Opththalmol. Vis. Sci.
  • neovascular glaucoma neovascular glaucoma, psoriasis, retrolental fibroplasias, angiofibroma, inflammation, rheumatoid arthritis (RA), restenosis, in-stent restenosis, vascular graft restenosis, etc.
  • RA rheumatoid arthritis
  • restenosis in-stent restenosis
  • vascular graft restenosis etc.
  • the increased blood supply associated with cancerous and neoplastic tissue encourages growth, leading to rapid tumor enlargement and metastasis.
  • the growth of new blood and lymph vessels in a tumor provides an escape route for renegade cells, encouraging metastasis and the consequence spread of the cancer.
  • combinations of the present invention can be utilized to treat and/or prevent any of the aforementioned angiogenesis disorders, e.g., by inhibiting and/or reducing blood vessel formation ; by inhibiting, blocking, reducing, decreasing, etc. endothelial cell proliferation or other types involved in angiogenesis, as well as causing cell death or apoptosis of such cell types.
  • Component A Based upon standard laboratory techniques known to evaluate compounds useful for the treatment of hyper-proliferative disorders and angiogenic disorders, by standard toxicity tests and by standard pharmacological assays for the determination of treatment of the conditions identified above in mammals, and by comparison of these results with the results of known medicaments that are used to treat these conditions, the effective dosage of the compounds of this invention can readily be determined for treatment of each desired indication.
  • the amount of the active ingredients to be administered in the treatment of one of these conditions can vary widely according to such considerations as the particular compound and dosage unit employed, the mode of administration, the period of treatment, the age and sex of the patient treated, and the nature and extent of the condition treated.
  • the total amount of the active ingredients to be administered will generally range from about 0.001 mg/kg to about 200 mg/kg body weight per day, and preferably from about 0.01 mg/kg to about 30 mg/kg body weight per day.
  • the total amount of the active ingredients per dose will generally range from about 1 mg to about 500 mg per dose, and preferably from about 20 mg to about 200 mg per dose.
  • Clinically useful dosing schedules of a compound will range from one to three times a day dosing to once every four weeks dosing.
  • "drug holidays" in which a patient is not dosed with a drug for a certain period of time may be beneficial to the overall balance between pharmacological effect and tolerability.
  • a unit dosage may contain from about 0.5 mg to about 1500 mg of active ingredient, and can be administered one or more times per day or less than once a day.
  • the average daily dosage for administration by injection including intravenous, intramuscular, subcutaneous and parenteral injections, and use of infusion techniques will preferably be from 0.01 to 200 mg/kg of total body weight.
  • the average daily rectal dosage regimen will preferably be from 0.01 to 200 mg/kg of total body weight.
  • the average daily vaginal dosage regimen will preferably be from 0.01 to 200 mg/kg of total body weight.
  • the average daily topical dosage regimen will preferably be from 0.1 to 200 mg administered between one to four times daily.
  • the transdermal concentration will preferably be that required to maintain a daily dose of from 0.01 to 200 mg/kg.
  • the average daily inhalation dosage regimen will preferably be from 0.01 to 100 mg/kg of total body weight.
  • the PI3K inhibitor can be administered to a patient at a dosage which can range from about 0.1 to about 300 mg/kg of total body weight. More specific dosages and dosage regimens are provided herein for several PI3K inhibitors, such as for example for copanlisib, and/or are known and/or can be readily determined by a skilled person using known techniques.
  • the specific initial and continuing dosage regimen for each patient will vary according to the nature and severity of the condition as determined by the attending diagnostician, the activity of the specific compounds employed, the age and general condition of the patient, time of administration, route of administration, rate of excretion of the drug, drug combinations, and the like.
  • the desired mode of treatment and number of doses of a PI3K inhibitor of the present invention or a pharmaceutically acceptable salt, solvate, hydrate or stereoisomer thereof, or a composition thereof can be ascertained by those skilled in the art using conventional treatment tests.
  • Suitable dose(s), administration regime(s) and administration route(s) for PI3K inhibitors include those defined in the Patient Information Leaflet or in Clinical Practice Guidelines in Oncology.
  • suitable dose(s), administration regime(s) and administration route(s) for PI3K inhibitors may be readily determined by standard techniques known to the skilled person.
  • the dose(s), administration regime(s) and administration route(s) may have to be adapted according to, inter alia, the indication, the indication stage, the patient age and/or the patient gender, among other factors. Such adaptations can be readily determined by standard techniques known to the skilled person.
  • the administered dosage and/or administration regime may be modified, independently of each other or simultaneously, depending on any superior or unexpected results which may be obtained as routinely determined with this invention.
  • the PI3K inhibitor can be administered to a patient orally, topically, parenterally, rectally, by inhalation, and by injection.
  • Administration by injection includes intravenous, intramuscular, subcutaneous, and parenterally as well as by infusion techniques.
  • the agents can be administered by any of the conventional routes of administration for these compounds.
  • the preferred route of administration for the hyper- proliferative/cytotoxic/cytostatic agents using this invention is typically by injection which is the same route of administration used for the agent alone. Any of the hyper- proliferative, cytotoxic or cytostatic agents can be administered in combination with an PI3K inhibitor by any of the mentioned routes of administration.
  • the Bub1 inhibitor can be administered simultaneously with the PI3K inhibitor. This can be performed by administering a single formulation which contains both the Bub1 inhibitor and the PI3K inhibitor or by administering the Bub1 inihibitor and PI3K inhibitor in independent formulations at the same time (concomittantly) to a patient.
  • the Bub1 inhibitor can be administered in tandem with the PI3K inhibitor.
  • the Bub1 inihbitor can be administered prior to the PI3K inhibitor.
  • the PI3K inhibitor can be administered first followed by adminstration of the Bub1 inihibitor.
  • the choice of sequence administration of the Bub1 inihibitor relative to the PI3K inhibitor may vary for different agents, and can be readily determined and, when needed, modified or adapted by the skilled person using techniques readily available in order, for example, to improve the therapeutic effect of the combination.
  • the PI3K inhibitor can be administered using any regimen which is conventionally used for these agents.
  • the Bub1 inihibitor and the PI3K inhibitor can be administered once or more times per day on the day(s) of administration.
  • the combinations of the present invention can be used in particular in therapy and prevention, i.e. prophylaxis, of tumour growth and metastases, especially in solid tumours of all indications and stages with or without pre-treatment of the tumour growth, more especially NSCLC, and colon cancer.
  • Methods of testing for a particular pharmacological or pharmaceutical property are well known to persons skilled in the art, for example using the methods described herein in the Experimental section. Suitable methods to determine the genetic features (genetic profile) of a tumor are readily available to the skilled person, for example it can be determined using the methods/kits described herein, other known methods, and/or using commercially available methods/kits.
  • the combinations of component A and component B of this invention can be administered as the sole pharmaceutical agent or in combination with one or more further pharmaceutical agents C where the resulting combination of components A, B and C causes no unacceptable adverse effects.
  • the combinations of components A and B of this invention can be combined with component C, i.e. one or more further pharmaceutical agents, such as known anti-angiogenesis, anti-hyper- proliferative, antiinflammatory, analgesic, immunoregulatory, diuretic, antiarrhytmic, anti-hypercholsterolemia, anti-dyslipidemia, anti-diabetic or antiviral agents, and the like, as well as with admixtures and combinations thereof.
  • Component C can be one or more pharmaceutical agents such as:
  • Optional anti-hyper-proliferative agents which can be added as component C to the combination of components A and B of the present invention include but are not limited to compounds listed on the cancer chemotherapy drug regimens in the 1 1 th Edition of the Merck Index, (1996), which is hereby incorporated by reference.
  • Other anti-hyper-proliferative agents suitable for use as component C with the combination of components A and B of the present invention include but are not limited to those compounds acknowledged to be used in the treatment of neoplastic diseases in Goodman and Gilman's The Pharmacological Basis of Therapeutics (Ninth Edition), editor Molinoff et al., publ. by McGraw-Hill, pages 1225-1287, (1996), which is hereby incorporated by reference.
  • cytotoxic and/or cytostatic agents as component C in combination with a combination of components A and B of the present invention will serve to: yield better efficacy in reducing the growth of a tumor and/or metastasis or even eliminate the tumor and/ or metastasis as compared to administration of either agent alone, provide for the administration of lesser amounts of the administered chemo- therapeutic agents, provide for a chemotherapeutic treatment that is well tolerated in the patient with fewer deleterious pharmacological complications than observed with single agent chemotherapies and certain other combined therapies, provide for treating a broader spectrum of different cancer types in mammals, especially humans, provide for a higher response rate among treated patients, provide for a longer survival time among treated patients compared to standard chemotherapy treatments, provide a longer time for tumor progression, and/or yield efficacy and tolerability results at least as good as those of the agents used alone, compared to known instances where other cancer agent combinations produce antagonistic effects.
  • the study was designed to determine the anti-proliferative effects of the combination treatment with a Bub1 kinase inhibitor and the PI3K inhibitor copanlisib on a panel of human tumor cell lines.
  • PI3K inhibitors which are preferred component B of the present combination are described in the art and/or are available commercially, particularly the below depicted PI3K inhibitors:
  • BAY1082439 (/V-(8- ⁇ [(2R)-2-Hydroxy-3-(morpholin-4-yl)propyl]oxy ⁇ -7-methoxy-2,3- dihydroimidazo[1 ,2-c]quinazolin-5-yl)-2-methylpyridine-3-carboxamide) : compound B3
  • Tumor cells were propagated in a humidified 37°C incubator in their respective growth medium supplemented 10% fetal calf serum.
  • a compound A for analysis of combination effects between a compound A and a compound B, cells were plated in 384-well plates at the cell numbers per well as indicated in 2.1 (Study design).
  • IC50 values inhibiting concentration at 50% of maximal effect
  • DMSO vehicle
  • IC50 isobolograms were plotted with the actual concentrations of the two compounds on the x- and y-axis, and the combination index (CI) was calculated according to the median-effect model of Chou-Talalay [Chou T.C. Pharmacol. Rev. 58, 621 , 2006].
  • a CI of ⁇ 0.8 was defined as more than additive (synergistic) interaction, and a CI of >1 .2 was defined as antagonistic interaction.
  • CI50 interpretation code CI50 ⁇ 0.8, synergism; 0.8 ⁇ CI50 ⁇ 1 .2, additivity; Clso>1 .2, antagonism.
  • Table 1 summarizes the data for Compound A1 plus copanlisib.
  • Table 1 Calculated combination indices at IC50 (CI50) from proliferation assays of cell lines treated with combinations of Bub1 inhibitor Compound A1 and copanlisib. Mono-treatment IC50 values and the concentrations required in combination of the two test compounds to achieve the CI50 are shown. All concentrations are given in mol/L.

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Abstract

La présente invention concerne des combinaisons d'au moins deux composants, le composant A et le composant B, le composant A étant un inhibiteur de la kinase Bub1, et le composant B étant un inhibiteur de la kinase PI3. Un autre aspect de la présente invention concerne l'utilisation des combinaisons telles que décrites ci-dessus pour la préparation d'un médicament destiné au traitement ou à la prophylaxie d'une maladie.
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