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    • 1. 发明授权
    • Dosage regimen for sapacitabine and seliciclib
    • US09872874B2
    • 2018-01-23
    • US14401357
    • 2013-05-14
    • Cyclacel Limited
    • Judy H. ChiaoDavid BlakeDaniella ZhelevaSusan DavisSimon GreenGeoffrey Shapiro
    • A61K31/7068A61K31/52A61K9/00
    • A61K31/7068A61K9/0053A61K31/52A61P35/00A61P35/02A61K2300/00
    • A first aspect of the invention relates to a method of treating a proliferative disorder in a subject, said method comprising administering to the subject a therapeutically effective amount of (i) sapacitabine, or a metabolite thereof; and (ii) seliciclib; in accordance with a dosing regimen comprising at least one first treatment cycle and at least one second treatment cycle, wherein said first treatment cycle comprises: (a) administering a therapeutically effective amount of sapacitabine, or a metabolite thereof, for 3 to 5 consecutive days for 2 weeks, starting on day d, where d is the first day of treatment with sapacitabine, or the metabolite thereof, in said first treatment cycle; and (b) optionally administering a therapeutically effective amount of seliciclib for 3 to 5 consecutive days for 2 weeks, starting on day (d−1) relative to the administration of sapacitabine or the metabolite thereof, in said first treatment cycle; followed by a rest period of at least 2 weeks, or until treatment-related toxicities are resolved, whichever is longer; and wherein said second treatment cycle comprises: (a) administering a therapeutically effective amount of sapacitabine, or a metabolite thereof, for 3 to 5 consecutive days for 2 weeks, starting on day d, where d is the first day of treatment with sapacitabine, or the metabolite thereof, in said second treatment cycle; and (b) administering a therapeutically effective amount of seliciclib for 3 to 5 consecutive days for 2 weeks, starting on day (d−1) relative to the administration of sapacitabine or the metabolite thereof, in said second treatment cycle; followed by a rest period of at least 2 weeks, or until treatment-related toxicities are resolved, whichever is longer. Further aspects of the invention relate to a kit of parts, and corresponding uses.
    • 3. 发明申请
    • TREATMENT OF PROLIFERATIVE DISEASES WITH PYRIMIDODIAZEPINONES
    • 用吡咯烷酮治疗增殖性疾病
    • US20150320762A1
    • 2015-11-12
    • US14387963
    • 2013-03-28
    • Cyclacel limited
    • Susan DAVISDaniella I. ZHELEVA
    • A61K31/551A61K9/00
    • 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 NR7; R1 and R2 are each independently H, alkyl or cycloalkyl; R3 is a 6-membered heterocycloalkyl group selected from piperidinyl, piperazinyl, morpholinyl and tetrahydropyranyl, wherein said heterocycloalkyl group is optionally further substituted by one or more (CH2)—R19 groups; R4 and R4′ are each independently H or alkyl; or R4 and R4′ together form a spiro cycloalkyl group; Q is CH or N; R6 is OR8 or halogen; n is 1, 2 or 3; R19 is H, alkyl, aryl or a cycloalkyl group; R7 and R8 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 μM to about 1 μM 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 μM to about 1 μM within about 6 hours. Further claims relate to a method of treatment based on this dosing regimen, and kits relating to the same.
    • 本发明的第一方面涉及用于治疗增殖性疾病的式(I)化合物或其药学上可接受的盐,其中:X为NR7; R1和R2各自独立地为H,烷基或环烷基; R3是选自哌啶基,哌嗪基,吗啉基和四氢吡喃基的6元杂环烷基,其中所述杂环烷基任选进一步被一个或多个(CH 2)R 19基团取代; R4和R4'各自独立地为H或烷基; 或R 4和R 4'一起形成螺环烷基; Q是CH或N; R6为OR8或卤素; n为1,2或3; R19是H,烷基,芳基或环烷基; R 7和R 8各自独立地为H或烷基; 并且其中所述化合物根据给药方案给药,所述给药方案:(i)维持约50至约500nM的血浆浓度达约16小时; 或(ii)维持约0.5μM至约1μM的血浆浓度达约6小时; 或(iii)在约6小时内达到不超过约500nM的最大血浆浓度(C max); 或(iv)在约16小时内达到不大于约200nM的最大血浆浓度(C max); 或(v)在约6小时内达到约0.5μM至约1μM的最大血浆浓度(C max)。 进一步的权利要求涉及基于该给药方案的治疗方法和与其相关的试剂盒。
    • 4. 发明授权
    • Process for preparing purine derivatives
    • US10927113B2
    • 2021-02-23
    • US16480858
    • 2018-01-25
    • Cyclacel Limited
    • Benjamin Mark SkeadRobert WestwoodDerek LondesbroughJulian Scott NorthenJonathan Charles Christian Atherton
    • C07D473/16C07D473/40
    • The present invention relates to a process for preparing a compound of formula [I], said process comprising the steps of: formula [II]+formula [III]→formula [I] (i) forming a reaction mixture comprising (a) a compound of formula [II], (b) a compound of formula [III] and (c) 1,2-propanediol or polyethylene glycol, or a mixture thereof, and optionally (d) a base; (ii) heating said reaction mixture to a temperature of at least about 150° C. to form a compound of formula [I]; (iii) isolating said compound of formula [I]; and (iv) optionally converting said compound of formula [I] into salt form; wherein: R1 and R2 are each independently H, alkyl or haloalkyl; R3 and R4 are each independently H, alkyl, haloalkyl or aryl; R5 is alkyl, alkenyl, cycloalkyl or cycloalkyl-alkyl, each of which may be optionally substituted with one or more OH groups; R6 is selected from cyclopropylamino, cyclopropylmethylamino, cyclobutylamino, cyclobutylmethylamino and formula (A) where one of X, Y and Z is N and the remainder are CR9; R7, R8 and each R9 are independently H, alkyl or haloalkyl, wherein at least one of R7, R8 and R9 is other than H. Further aspects of the invention relate to a highly diastereoselective process for the preparation of compounds of formula [III], a process for preparing intermediates of formula [II], and other intermediates useful in the synthesis of compounds of formula [I], and to a process for preparing the crystalline tartrate salt and free base of compounds of formula [I].
    • 6. 发明申请
    • DOSAGE REGIMEN FOR SAPACITABINE AND SELICICLIB
    • 用于SAPACITABINE和SELICICLIB的剂量计
    • US20150164933A1
    • 2015-06-18
    • US14401357
    • 2013-05-14
    • Cyclacel Limited
    • Judy H. ChiaoDavid BlakeDaniella ZhelevaSusan DavisSimon GreenGeoffrey Shapiro
    • A61K31/7068A61K9/00A61K31/52
    • A61K31/7068A61K9/0053A61K31/52A61P35/00A61P35/02A61K2300/00
    • A first aspect of the invention relates to a method of treating a proliferative disorder in a subject, said method comprising administering to the subject a therapeutically effective amount of (i) sapacitabine, or a metabolite thereof; and (ii) seliciclib; in accordance with a dosing regimen comprising at least one first treatment cycle and at least one second treatment cycle, wherein said i first treatment cycle comprises: (a) administering a therapeutically effective amount of sapacitabine, or a metabolite thereof, for 3 to 5 consecutive days for 2 weeks, starting on day d, where d is the first day of treatment with sapacitabine, or the metabolite thereof, in said first treatment cycle; and (b) optionally administering a therapeutically effective amount of seliciclib for 3 to 5 consecutive days for 2 weeks, starting on day (d−1) relative to the administration of sapacitabine or the metabolite thereof, in said first treatment cycle; followed by a rest period of at least 2 weeks, or until treatment-related toxicities are resolved, whichever is longer; and wherein said second treatment cycle comprises: (a) administering a therapeutically effective amount of sapacitabine, or a metabolite thereof, for 3 to 5 consecutive days for 2 weeks, starting on day d, where d is the first day of treatment with sapacitabine, or the metabolite thereof, in said second treatment cycle; and (b) administering a therapeutically effective amount of seliciclib for 3 to 5 consecutive days for 2 weeks, starting on day (d−1) relative to the administration of sapacitabine or the metabolite thereof, in said second treatment cycle; followed by a rest period of at least 2 weeks, or until treatment-related toxicities are resolved, whichever is longer. Further aspects of the invention relate to a kit of parts, and corresponding uses.
    • 本发明的第一方面涉及治疗受试者中增殖性疾病的方法,所述方法包括给予受试者治疗有效量的(i)西他滨或其代谢物; 和(ii)seliciclib; 根据包含至少一个第一治疗​​周期和至少一个第二治疗周期的给药方案,其中所述第一治疗周期包括:(a)将治疗有效量的西他滨或其代谢物施用连续3至5次 天为期2周,从第d天开始,其中d是在所述第一治疗周期中用西他滨或其代谢物治疗的第一天; 和(b)在所述第一个治疗周期中相对于施用西来昔布或其代谢物,在第(d-1)天开始,任选地施用治疗有效量的西拉替尼连续3至5天,持续2周; 之后休息至少2周,或直到治疗相关毒性得到解决,以较长者为准; 并且其中所述第二治疗周期包括:(a)从第d天开始,给予治疗有效量的沙美他滨或其代谢物连续3至5个星期,其中d是用西他滨的第一天治疗, 或其代谢物,在所述第二处理循环中; 和(b)在所述第二治疗周期中相对于施用西他滨或其代谢物,在第(d-1)天开始,施用治疗有效量的联用西拉霉3至5个连续2周。 其次是至少2周的休息期,或直到治疗相关的毒性被解决为止,以较长者为准。 本发明的其它方面涉及一组零件和相应的用途。