Nitrosamines

14
Jan
Speed Limit 45 Radar Enforced road sign with passing cars on a California street.

The FDA’s Spotlight on CDER Science – Nitrosamines and the Acceptable Intake Approach

In the latest CDER Science Spotlights, available (here), the FDA provides some insight into the development of the Carcinogenic Potency Categorization Approach (CPCA) to determine recommended acceptable intake limits of N-nitrosamine impurities in drug products.  The latest revision of the Nitrosamine Impurity guidance updated in September 2024 (here) provided better integration of the overall assessment […]

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12
Sep

Newest Chapter in the Nitrosamine Saga – A Revised Guidance and FDA Acknowledges Their Differences

The FDA has updated the original nitrosamine impurity guidance after publication last year of Recommended Acceptable Intake Limits for Nitrosamine Drug Substance-Related Impurities (NDSRIs) (here), also known as the RAIL guidance, caused a few disconnects between the two guidances.  Now that we’ve all had more time to carefully read and absorb the updates in the […]

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21
Feb

Join Lachman Consultants (Ireland) at the PDA Ireland Event: Contract Manufacturing – Achieving & Maintaining a Successful Partnership, Cork, 29th Feb.

The one-day event will explore how to achieve and maintain good relationships with your Contract Manufacturer Organisation (CMO) Partners. Key industry leaders will share their perspectives on many topics such as the selection of a service provider, regulatory trends, and how to foster collaborative synergies when outsourcing. Lachman Consultants (Ireland) provides a full range of […]

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30
Oct

Our Recent Contract Pharma Article: Nitrosamines Progress from GRx+Biosims 2023 Conference

In case you didn’t have the opportunity to attend the GRx+Biosims 2023 conference or were there and want to revisit the featured panel on nitrosamine impurities, here’s a quick recap and a link to the full Contract Pharma article, authored by Jennifer Leaming, Principal Consultant, Lachman Consultants. Four presentations were made by FDA representatives on […]

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08
Oct

Signs of Progress on the Nitrosamine Front – Notes from the Nitrosamines Session at GRx+Biosims 2023 

The session on nitrosamine impurities was held during the final breakout session on Wednesday morning during the final day of the conference. This session had the largest panel by far of those assembled on any topic presented at the conference, with 15 total panelists including the session moderator!  It was even more difficult than usual […]

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04
Aug

New Guidance for Industry- Acceptable Intake Limits for NDSRIs and a New Webpage from FDA

Unless you’ve been living under a (pharmaceutical) rock, you are aware of the struggle that both FDA and industry are having with Nitrosamines impurities in pharmaceutical products.  As a reminder, APIs are at risk of forming nitrosamine drug substance-related impurities (NDSRIs) when they contain secondary amines or dimethyl tertiary amines. We have published many blogs […]

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