Top News
After Valsartan Recalls, Regulators Grapple with Nitrosamine Contamination in APIs
September 26th 2018The European Medicines Agency’s detection of a second nitrosamine in a sartan API is driving a deeper dive into tetrazole chemistry; root-cause investigations will now include not only valsartan and losartan, but candesartan, irbesartan, and olmesartan.