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 […]
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 […]
The industry as a whole rejoiced on Friday with the publication of the new NDSRI guidance from the FDA, previously discussed here. Now that we all have had more time to carefully read and absorb the details posted by the FDA in the guidance and on the corresponding webpage, many will discover that there are […]
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 […]
Many of our clients and readers have NDAs, ANDAs, and supplements that are still pending approval due to a “complex regulatory issue” where the FDA has missed its goal date; in some cases, this missed date was many months ago. There can be several reasons for this type of delay but, as we have blogged […]
Hundreds of FDA staff, industry professionals, lawyers, and others gathered in Washington, D.C. on May 17th and 18th to participate in the 2023 Food and Drug Law Institute (FDLI) Annual Conference. The agenda covered a broad range of current regulatory and legal issues facing the food, drug, medical device, biologics, and tobacco industries. Lachman Consultant Services […]
When a reference listed drug (RLD) product is discontinued from marketing, or if the RLD’s NDA application is officially withdrawn, we all know that the FDA must make a determination that the specific RLD was not discontinued from marketing or withdrawn for safety or efficacy reasons before it can approve an ANDA based on the […]
Two years after the FDA guidance on Control of Nitrosamines Impurities in Human Drugs and nearly a year after the publication of USP’s General Chapter <1469> Nitrosamine Impurities, where are we now and what have we learned? That was a question posed recently at the Association of Accessible Medicine’s GRx+Biosims 2022 conference. The session devoted […]
Today, the FDA advised that it “recently became aware of a nitrosamine impurity, Nitroso‑STG‑19 (known as NTTP), in certain samples of sitagliptin, a medicine used to treat type 2 diabetes mellitus. To avoid a shortage and help ensure patients have access to an adequate supply of the medicine, the FDA will not object to the temporary […]
Yesterday, the Agency expressed confidence that manufacturers of varenicline tablets containing the N‑nitroso-varenicline impurity can meet the FDA’s original acceptable intake limit of 37 ng or less per day. Their statement read: “FDA is now confident in manufacturers’ ability to supply patients with varenicline containing the N-nitroso-varenicline impurity at or below the agency’s acceptable intake limit […]
