Perrigo Among Firms Requesting Delay In Conducting US Nitrosamine Risk Assessments
Perrigo, Pfizer want FDA to postpone its March deadline for conducting nitrosamine risk assessments. Generics executive cites “serious compliance challenges” in conducting these assessments due to difficulty in finding the right lab equipment necessary to quantify nitrosamine daily intake limits.
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USP Nitrosamine Impurities Chapter Reflects Coordination With EU As Well US Agencies
The USP’s general chapter on nitrosamine impurities provides guidance on assessing risks and testing levels of the carcinogens in pharmaceuticals.
US FDA Suggests Adding Antioxidants To Drug Formulations To Mitigate Nitrosamine Risks
Agency recommends “mitigation strategies” also including designing formulations that incorporate excipients such as sodium carbonate which modify the micro-environment to neutral or basic pH.
US FDA Won't Budge On Nitrosamines Compliance Despite Complaints Of Possible Drug Shortages
Industry requests for deadline extensions, short-duration adjustments and other accommodations go nowhere as FDA expresses concerns about nitrosamines’ mutagenic potency.