The FDA has requested that Endo Pharmaceuticals remove its opioid pain medication, reformulated Opana ER (oxymorphone hydrochloride), from the market. The agency is seeking removal based on its concern that the benefits of the drug may no longer outweigh its risks. This is the first time the agency has taken steps to remove a currently marketed opioid pain medication from sale due to the public health consequences of abuse.
“We are facing an opioid epidemic—a public health crisis, and we must take all necessary steps to reduce the scope of opioid misuse and abuse,” said FDA Commissioner Scott Gottlieb, MD. “We will continue to take regulatory steps when we see situations where an opioid product’s risks outweigh its benefits, not only for its intended patient population but also in regard to its potential for misuse and abuse.”
The FDA’s decision is based on a review of all available post-marketing data, which demonstrated a significant shift in the route of abuse of Opana ER from nasal to injection following the product’s reformulation. Injection abuse of reformulated Opana ER has been associated with a serious outbreak of human immunodeficiency virus and hepatitis C virus infections, as well as cases of thrombotic microangiopathy. This decision follows a March 2017 FDA advisory committee meeting where a group of independent experts voted 18–8 that the benefits of reformulated Opana ER no longer outweigh its risks.
Opana ER was approved in 2006 for the management of moderate-to-severe pain when a continuous around-the-clock opioid analgesic is needed for an extended period of time. In 2012, Endo replaced the original formulation of Opana ER with a new formulation intended to make the drug resistant to physical and chemical manipulation for abuse by snorting or injecting. While the product met the regulatory standards for approval, the FDA determined that the data did not show that the reformulation could be expected to meaningfully reduce abuse and declined the company’s request to include labeling describing potentially abuse-deterrent properties for Opana ER. Now, with more information about the risks of the reformulated product, the agency is taking steps to remove the reformulated Opana ER from the market.
“The abuse and manipulation of reformulated Opana ER by injection has resulted in a serious disease outbreak. When we determined that the product had dangerous unintended consequences, we made a decision to request its withdrawal from the market,” said Janet Woodcock, MD, director of the FDA’s Center for Drug Evaluation and Research.
The FDA has requested that the company voluntarily remove reformulated Opana ER from the market. Should the company choose not to remove the product, the agency intends to take steps to formally require its removal by withdrawing approval. In the interim, the FDA is making health care professionals and others aware of the particularly serious risks associated with the abuse of this product.
According to a press release, Endo Pharmaceuticals is reviewing the request and is “evaluating the full range of potential options as we determine the appropriate path forward.”
Sources: FDA(link is external) and Endo International(link is external); June 8, 2017.
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