Pharmaceuticals and other medical treatments are trusted by patients and regulators in part because they are assumed to be consistent from batch to batch. Although the medications may be manufactured by different companies in different factories under differing conditions, it is expected that each unit of a prescribed or nonprescribed medication contains what is listed on the packaging, no more and no less. The manufacturer of a commonly used medication in treating type-2 diabetes has recalled thousands of pills because a known carcinogen was found in certain batches of the medication manufactured over a six-month period.
According to a press release supplied to the U.S. Food and Drug Administration, Viona Pharmaceuticals, a generic manufacturer of the type-2 diabetes medication Metformin, has agreed to recall 23 lots of the drug. During a quality control test, the manufacturer learned that some of the drugs tested contained unacceptable levels of NDMA (N-Nitrosodimethylamine), which is a substance that is known to experts to cause cancer in larger amounts. Based on these findings, Viona Pharmaceuticals has agreed to recall the affected lots. The recalled lots of Metformin have expiration dates between June 2022 and January 2023.
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