DevelopingTargetedTherapiesinLow-FrequencyMolecularSubsetsofaDiseaseGuidanceforIndustry
I.INTRODUCTIONANDBACKGROUNDInsightsintothemolecularbasisofdiseasehaveledtothedevelopmentoftargetedtherapies.2Often,thepharmacologicaleffectofatargetedtherapyisrelatedtoaparticularmolecularalteration.3Manyclinicallydefineddiseasesarecausedbyarangeofdifferentmolecularalterations,someofwhichmayoccuratlowfrequencies,thatimpact白癜风初期治疗北京比较好的实惠的白癜风医院