【WO2019213217A1】用PARP抑制剂治疗癌症的方法和组合物【专利】

  • 格式:pdf
  • 大小:458.61 KB
  • 文档页数:39

(

(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,

MG,MK,MN,MW,MX,MY,MZ,NA,NG,NI,NO,NZ,

OM,PA,PE,PG,PH,PL,PT,QA,RO,RS,RU,RW,SA,

SC,SD,SE,SG,SK,SL,SM,ST,SV,SY,TH,TJ,TM,TN,

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,

MC,MK,MT,NL,NO,PL,PT,RO,RS,SE,SI,SK,SM,

TR),OAPI(BF,BJ,CF,CG,Cl,CM,GA,GN,GQ,GW,

KM,ML,MR,NE,SN,TD,TG).

(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).