The Quality Lowdown: New Valsartan Lessons, The 'White Hairs’ Who Remember Viracept
Executive Summary
Why EU challenged Huahai’s valsartan quick fix, how FDA is making a lesson of Huahai, and what happens when examples like the Viracept recalls fade from memory – it’s all in this week’s Lowdown. Plus how Atlas is purportedly assuring sterility on Carefree Highway, and what happened when Sun used out-of-specification exhibit batches.
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US FDA officials told manufacturers to beware of using reused solvents and catalysts to avoid carcinogenic impurities such as nitrosamines from leaching into valsartan and other ARBs used to treat high blood pressure. FDA has identified 40 nitrosamine-free ARBs to provide alternatives to patients and health care providers experiencing shortages caused by recent recalls of these products.
As Recalls Multiply, EU Agency Studies How To Rid Chinese Firm’s Valsartan API Of Probable Carcinogen
European authorities are examining how a manufacturing process change six years ago may have introduced a probable carcinogen into Zhejiang Huahai’s valsartan API that was only recently detected. They hope to learn how the firm could reduce or eliminate the impurity.