第1页共23页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第1页共23页INTERNATIONALCONFERENCEONHARMONISATIONOFTECHNICALREQUIREMENTSFORREGISTRATIONOFPHARMACEUTICALSFORHUMANUSEICHHARMONISEDTRIPARTITEGUIDELINEIMPURITIESINNEWDRUGSUBSTANCESQ3A(R2)CurrentStep4versiondated25October2006ThisGuidelinehasbeendevelopedbytheappropriateICHExpertWorkingGroupandhasbeensubjecttoconsultationbytheregulatoryparties,inaccordancewiththeICHProcess
AtStep4oftheProcessthefinaldraftisrecommendedforadoptiontotheregulatorybodiesoftheEuropeanUnion,JapanandUSA
第2页共23页第1页共23页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第2页共23页Q3A(R2)DocumentHistoryFirstCodificationHistoryDateNewCodificationNovember2005Q3ApprovalbytheSteeringCommitteeunderStep2andreleaseforpublicconsultation
15March1994Q3AQ3AApprovalbytheSteeringCommitteeunderStep4andrecommendationforadop