Tech alert: USP Live Webcast – Nitrosamines Impurities 

Registration is now open for a USP live webcast on nitrosamine impurities, to be held on 13 October 2022. More information and details on how to register are available via this USP web page

CMA’s 27 July technical alert provides more background and context for members.

Course Description:

This one-day course will provide attendees with an understanding of current regulatory guidelines and USP General Chapter <1469> Nitrosamine Impurities. The course will provide an overview of sources of nitrosamines including their formation from the presence of other impurities and how to eliminate or reduce levels of nitrosamines. Tools to assess and control nitrosamines in drug substances and drug products as well as in depth analytical procedures in USP <1469> including the use of the USP Reference Standard and precautions to be used during procedures will also be covered. The course will also address risk assessment methodology as per ICH9, control strategy development, calculation of nitrosamine limits as per ICH M7 as well as test method performance characteristics.

Upon completion of this course, attendees will be able to

 – Describe the background, scope and approach of USP <1469> Nitrosamine Impurities and applicable regulatory guidelines.

 – Explain pathways and sources of nitrosamine formation along with risk assessment tools and a high- level process flow to develop control strategies.

 – Describe how to select the appropriate analytical procedures based on test method performance characteristics for nitrosamine methods

 – Discuss the proper use and handling of the USP reference standard in the respective analytical procedures.

 – Identify factors which impact sensitivity and selectivity of methods

 – Summarize key considerations, challenges and method conditions along with sample and standard preparation of the four test methods described in USP <1469>

Who should participate:

 – R&D manufacturers

 – QC managers

 – QC staff scientists (DS, DP)

 – Excipient manufacturers

 – Research scientists

 – QA staff who authorize drug product release

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