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FDA (CDER)
GUIDANCE FINAL
Physicochemical and Structural (Q3) Characterization of Topical Drug Products Submitted in ANDAs
Published: 3/17/2026Detected: 3/20/2026

Summary preview

Clarifies expectations for Q3 (physicochemical and structural) characterization submissions for topical drug products in ANDAs, emphasizing alignment with quality/CMC demonstration needs rather than relying on…

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dermatology
manufacturing
quality
#ANDA
#topical drug products
#Q3 characterization
#physicochemical characterization
#structural characterization

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