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Nitrosamines – A Timeline

Here’s an infographic detailing some of the history of nitroso compound contaminants. Nitrosamine, a probable human carcinogen, continues to make the news as the FDA, EMA and other regulatory agencies…

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Nitrosamine Impurities and How Companies are Addressing the Crisis

We’ve recently written extensively about nitrosamine impurities, including this in-depth analysis of what transpired with Valsartan, and some follow-up material, here and here. Nitrosamine impurities have been receiving a great…

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Valsartan Contamination: A Follow-Up

Following up on our earlier post on the 2018 valsartan contamination, much has happened over the last six months. In our original post, we discussed the appearance of impurities in…

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How the Valsartan Contamination Happened: Its Context & Implications

Last year’s valsartan contamination and recall brought some surprising chemical synthesis issues to light in the pharma industry. While the reactions used in generic valsartan production are known to be…

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