【WO2019213217A1】用PARP抑制剂治疗癌症的方法和组合物【专利】
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(51)InternationalPatentClassification:
A61K31/50(2006.01)A23L33/15(2016.01)Published:
A61K31/502(2006.01)A61P35/00(2006.01)—withinternationalsearchreport(Art.21(3))
—beforetheexpirationofthetimelimitforamendingthe
(21)InternationalApplicationNumber:claimsandtoberepublishedintheeventofreceiptof
PCT/US2019/030144amendments(Rule48.2(h))
(22)InternationalFilingDate:
01May2019(01.05.2019)
(25)FilingLanguage:English
(26)PublicationLanguage:English
(30)PriorityData:
62/665,17601May2018(01.05.2018)US
(71)Applicant:RUSHUNIVERSITYMEDICALCENTER
[US/US];1653WestCongressParkway,Chicago,IL60612
(US).
(72)Inventors:SHAMMO,JamilleM.;403CedarStreet,Park
Ridge,IL60068(US).USHA,Lydia;3001S.Michigan
Avenue,#1801,Chicago,IL60616(US).
(74)Agent:HASAN,Aisha,R.etal.;BrinksGilson&Lione,
P.O.Box110285,ResearchTrianglePark,NC27709(US).
(81)DesignatedStates(unlessotherwiseindicated,forevery
kindofnationalprotectionavailable):AE,AG,AL,AM,
AO,AT,AU,AZ,BA,BB,BG,BH,BN,BR,BW,BY,BZ,
CA,CH,CL,CN,CO,CR,CU,CZ,DE,DJ,DK,DM,DO,
DZ,EC,EE,EG,ES,FI,GB,GD,GE,GH,GM,GT,HN,
HR,HU,ID,IL,IN,IR,IS,JO,JP,KE,KG,KH,KN,KP,
KR,KW,KZ,LA,LC,LK,LR,LS,LU,LY,MA,MD,ME,
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TR,TT,TZ,UA,UG,US,UZ,VC,VN,ZA,ZM,ZW.
(84)DesignatedStates(unlessotherwiseindicated,forevery
kindofregionalprotectionavailable):ARIPO(BW,GH,
GM,KE,LR,LS,MW,MZ,NA,RW,SD,SL,ST,SZ,TZ,
UG,ZM,ZW),Eurasian(AM,AZ,BY,KG,KZ,RU,TJ,
TM),European(AL,AT,BE,BG,CH,CY,CZ,DE,DK,
EE,ES,FI,FR,GB,GR,HR,HU,IE,IS,IT,LT,LU,LV,
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(54)Title:METHODSANDCOMPOSITIONSFORTREATMENTOFCANCERWITHPARPINHIBITORS
(57)Abstract:Methodsoftreatingcancerinasubjectandcompositionsareprovided.Themethodsincludeadministeringatherapeu¬
ticallyeffectiveamountofapoly(ADPribose)polymerase(PARP)inhibitortothesubjectinneedthereofandadministeringathera¬
peuticallyeffectiveamountofafolicacidsupplementtothesubject.Alsodescribedhereinaremethodsforidentifyingasubjecthaving
cancerandhavinganelevatedfolatereceptorexpressionlevelrelativetoafolatereceptorexpressionlevelinasubjectfreeofcancer
andadministeringatherapeuticallyeffectiveamountofaPARPinhibitortothesubjecthavingtheelevatedfolatereceptorlevel.Also
describedhereinarecompositionsincludingaPARPinhibitorandafolicacidsupplement.
METHODSANDCOMPOSITIONSFORTREATMENTOFCANCERWITH
PARPINHIBITORS
CROSS-REFERENCETORELATEDAPPLICATIONS
[0001]ThisapplicationclaimsthebenefitofU.S.ProvisionalPatent
ApplicationNo.62/665,176,filedMay1,2018,theentirecontentsofwhich
areherebyincorporatedhereinbyreference.
BACKGROUND
[0002]Olaparib(Lynparza™)isthefirsttargeteddrugFDAapprovedfor
advancedBRCA-deficientovariancancer.Olaparibinhibitspoly(ADP-ribose)
polymerase(PARP)enzymeswhichareinvolvedinDNArepair.Olaparib
inducessyntheticlethalityinBRCA1/2deficienttumorcellsthroughthe
accumulationofdouble-strandedDNAbreakswhichcannotbeaccurately
repaired(homologousrecombinationdeficiency)(Ledermann,2012).The
approvalofolaparibwasbasedontheresultsofPhaseIItrialsinwomenwith
advancedovariancancerandgermlineBRCA1/2mutations(gSRCA-mutated
advancedovariancancer)whohavehadthreeormorepreviouslinesof
chemotherapy.Thesetrialsdemonstratedanoverallresponserate(ORR)of
34%(ibid)andsignificantlyprolongedprogression-freesurvival.(Ledermann
#1and#2,2012,2014)
[0003]WomenwithgSRCA-mutatedadvancedovariancancerachievethe
bestprogressionfreesurvival(PFS)onolaparibtherapy.ThePFSinovarian
cancerpatientswithwild-typeBRCAmutationsismodest.However,some
ovariancancerpatientswithwild-typeBRCAderivesignificantbenefitfrom
thedrug.Greatstrideshavebeenmadetoidentifythesepatients(SpriggsD.,
2016).Preliminarydatasuggestthatthereareothermolecularmarkersthat
potentiallycanpredictabenefitfromolaparibaswellasotherPARP
inhibitors.ThesemolecularmarkersaresomaticBRCA1and2mutationsin
cancercellsasdeterminedbytumorgenomicprofiling,germlineandsomatic
mutationsinothergenesleadingtohomologousrecombinationdeficiency
(HRD)inthetumorasdeterminedbyanHRDassay(LheureuxS.,2017).