Sandoz voluntarily recalls ranitidine over NDMA contamination concerns

The probable carcinogen N-nitrosodimethylamine was detected in Sandoz’s ranitidine capsules, prompting the voluntary move.

The US Food and Drug Administration (FDA) has announced a voluntary recall of 14 lots of prescription ranitidine capsules distributed by Sandoz Inc. due to presence of a nitrosamine impurity, N-nitrosodimethylamine (NDMA).

NDMA is classified as a probable human carcinogen.

The agency is testing ranitidine products from multiple manufacturers and assessing the possible effect on patients who have been taking ranitidine, as well as what manufacturers can do to reduce or eliminate nitrosamine in drugs.

The FDA and manufacturers of ranitidine will take appropriate measures based on the results of this ongoing investigation”

As part of the FDA’s investigation, the agency recently posted a testing protocol, which can be used by regulators and industry to detect nitrosamine impurities in ranitidine. The FDA is asking companies to begin their own laboratory testing to examine levels of NDMA in ranitidine and to send samples of ranitidine to the FDA to be tested by agency scientists.

The FDA and manufacturers of ranitidine will take appropriate measures based on the results of this ongoing investigation and the agency will provide additional information when it becomes available. The FDA encourages patients and health care professionals to report any adverse reaction to the agency’s MedWatch programme.

Commenting on the recall, acting FDA Commissioner Ned Sharpless said: “The FDA is committed to ensuring that the medicines Americans take are safe and effective. We began testing ranitidine products immediately after we learned of the potential impurity. When we identify lapses in the quality of drugs that pose potential risks for patients, the FDA makes all efforts to understand the issue and provide our best recommendation to the public as quickly and accurately as possible.

“We will continue to investigate and work to ensure these types of impurities do not exceed acceptable limits, so that patients can continue taking the medicines they need without concern.” 

The agency today provided the following information for patients and health care professionals on the recall of ranitidine capsules produced by Sandoz:

  • If a patient is taking one of the recalled medicines, they should follow the recall instructions provided by the company. This information is available on the FDA’s website
  • While the FDA investigates the root cause and risk, consumers and patients can continue to take ranitidine that has not been recalled. It is important to remember that not all ranitidine marketed in the US is being recalled
  • Patients taking prescription ranitidine who wish to discontinue use should talk to their health care professional about other treatment options. Multiple drugs are approved for the same or similar uses as ranitidine
  • Consumers taking over-the-counter (OTC) ranitidine could consider using other OTC products for their condition.

Ranitidine is a histamine-2 blocker, which decreases the amount of acid created by the stomach. It is an OTC and prescription drug; OTC ranitidine is approved to prevent and relieve heartburn associated with acid ingestion and sour stomach while prescription ranitidine is approved for multiple indications, including treatment and prevention of ulcers of the stomach and intestines and treatment of gastroesophageal reflux disease.

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