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    • 4. 发明公开
    • TREATMENT OF PROLIFERATIVE DISEASES WITH PYRIMIDODIAZEPINONES
    • 与PYRIMIDODIAZEPINONEN治疗增生性疾病
    • EP2833865A1
    • 2015-02-11
    • EP13714992.8
    • 2013-03-28
    • Cyclacel Limited
    • DAVIS, SusanZHELEVA, Daniella
    • A61K9/00A61K31/5513A61K31/551
    • A61K9/0019A61K31/551
    • A first aspect of the invention relates to a compound of formula (I), or a pharmaceutically acceptable salt thereof, for use in treating a proliferative disorder, wherein: X is NR
      7 ; R
      1 and R
      2 are each independently H, alkyl or cycloalkyl; R
      3 is a 6-membered heterocycloalkyi group selected from piperidinyl, piperazinyl, morpholinyl and tetrahydropyranyl, wherein said heterocycloalkyi group is optionally further substituted by one or more (CH
      2 )
      n R
      19 groups; R
      4 and R
      4' are each independently H or alkyl; or R
      4 and R
      4' together form a spiro cycloalkyl group; Q is CH or N; R
      6 is OR
      8 or halogen; n is 1, 2 or 3; R
      19 is H, alkyl, aryl or a cycloalkyl group; R
      7 and R
      8 are each independently H or alkyl; and wherein said compound is administered in accordance with a dosing regimen which: (i) maintains a plasma concentration of from about 50 to about 500 nM for a period of up to about 16 hours; or (ii) maintains a plasma concentration of from about 0.5 μΜ to about 1 μΜ for a period of up to about 6 hours; or (iii) achieves a maximum plasma concentration (Cmax) of no more than about 500 nM within a period of about 6 hours; or (iv) achieves a maximum plasma concentration (Cmax) of no more than about 200 nM within a period of about 16 hours; or (v) achieves a maximum plasma concentration (Cmax) of about 0.5 μΜ to about 1 μΜ within about 6 hours. Further claims relate to a method of treatment based on this dosing regimen, and kits relating to the same.