FDA (CDER)
GUIDANCE DRAFT
Establishing Impurity Specifications for Antibiotics
Published: 4/20/2026Detected: 4/17/2026
Summary preview
Establishes draft expectations for setting and justifying impurity specifications for antibiotic drug substances and/or drug products, which may tighten how manufacturers characterize and control related impurities.
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manufacturing
quality
#antibiotics
#impurity specifications
#CMC
#quality
#analytical methods
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