Nitrosamine Impurities in Topical Drug Product

Limits of Nitrosamines
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Hello ,

I’m wondering if there any requirements to evaluate NDSRI in Topical drug product ?

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See: AI Limit for Topical Formulations (Ointments and Gel) - About Nitrosamines Exchange - Nitrosamines Exchange (usp.org)
Nitrosamines in topical products - Risk Assessment Strategy / Tools & Technology - Nitrosamines Exchange (usp.org)

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Thank you for the information

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