Monday, September 13, 2010

FDA Relents from Midodrine Recall

FdaImage via WikipediaFederal regulators have backed off a plan to remove a Shire PLC low blood-pressure treatment from the market after warning in August that the drug has not been proven effective.
Food and Drug Administration representative Sandy Walsh said in an emailed statement that the agency will continue to allow access to ProAmatine, also known as midodrine, "while the necessary data is collected and the legal issues get sorted out."

Roughly 100,000 U.S. patients received prescriptions for ProAmatine or generic versions last year, according to the FDA. The drug is approved to treat orthostatic hypotension, a type of low blood pressure that causes patients to become dizzy or faint when standing upright.

Last month, the FDA proposed withdrawing the drug from the market and giving Shire, which is based in Ireland, an opportunity to schedule a hearing to discuss the matter. It had approved ProAmatine in 1996 based on promising early results in treating low blood pressure. But a mandatory follow-up study to actually prove the long-term benefits of the drug was never conducted.

Shire acquired the drug when it bought Roberts Pharmaceuticals in 2000. Shire spokeswoman Jessica Mann said the drugmaker did conduct follow-up trials and submitted data in 2005 that it believes showed its effectiveness. The company plans to continue to work with the FDA. Shire had said it was planning to withdraw the drug from the market by Sept. 30. But the company no longer intends to do so.

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