ICH Q3A Impurities in New Drug Substances

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ICH Q3A Impurities in New Drug Substances is an international regulatory guideline that sets quality standards and thresholds for identifying, reporting, and controlling impurities in new active pharmaceutical ingredients.

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Statements (46)

Predicate Object
instanceOf ICH quality guideline
pharmaceutical regulatory guideline
abbreviation ICH Q3A NERFINISHED
addresses batch analysis for impurity profiling
specification setting for impurities
stability studies with respect to impurities
aimsTo avoid unnecessary differences in impurity requirements between regions
provide a consistent approach to impurity control in new drug substances
appliesDuring drug development
marketing authorisation applications
appliesTo new active pharmaceutical ingredients
new drug substances
basisFor regulatory assessment of impurity specifications in new drug substance dossiers
concerns quality impact of impurities
safety impact of impurities
covers inorganic impurities
organic impurities
residual solvents
defines requirements for identification of impurities
requirements for qualification of impurities
requirements for reporting of impurities
thresholds for identification of impurities
thresholds for qualification of impurities
thresholds for reporting of impurities
documentType scientific and technical guideline
excludes biotechnological and biological products
focusesOn impurities in new drug substances
issuedBy International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use NERFINISHED
language English
objective to ensure safety and quality of new active pharmaceutical ingredients
to harmonise impurity control requirements for new drug substances among ICH regions
region European Union NERFINISHED
Japan NERFINISHED
United States of America
surface form: United States
regulatoryDomain drug substance quality
pharmaceutical quality
relatedGuideline ICH Q3B Impurities in New Drug Products NERFINISHED
ICH Q3C Impurities: Guideline for Residual Solvents NERFINISHED
requires appropriate analytical procedures for impurity detection
justification of impurity limits
safety qualification of significant impurities
targetAudience analytical chemists in pharmaceutical development
quality assurance professionals
regulatory affairs professionals
usedBy pharmaceutical industry
regulatory authorities in ICH regions

Referenced by (1)

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ICH notableGuideline ICH Q3A Impurities in New Drug Substances