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FDA Rejects New Use for Blood Thinner Xarelto

Vote Follows Panel Recommendation From Last Month
WebMD Health News
Reviewed by Laura J. Martin, MD

June 22, 2012 -- The FDA has decided -- for now -- against allowing the new blood thinner Xarelto to be used to treat patients with blocked coronary arteries.

Federal officials issued a complete response letter late Thursday, which means they want more information from the drug manufacturer before making a final decision.

Xarelto (rivaroxaban) entered the market last summer and is already approved for the prevention of blood clots that form in the blood vessels of the legs and lungs during knee or hip replacement surgery. It is also approved to reduce stroke risk in patients with certain abnormal heart rhythms.

But manufacturer Janssen, which is a division of Johnson & Johnson, sought to expand its use to include patients with a common heart condition known as acute coronary syndrome (ACS), which occurs when blood flow to the heart is restricted because of blood clots that form in the heart arteries.

The company stands behind its drug and still hopes for a future approval. "We are confident in the robust study results of the ATLAS ACS ... trial and the positive benefit-risk profile of rivaroxaban in patients with ACS. We will continue to work with the FDA to fully address their questions as quickly as possible," said Paul Burton, MD, PhD, vice president, Cardiovascular Franchise Medical Leader at Janssen R&D.

More than 1 million people in the U.S. are hospitalized for heart attacks, strokes, and other events linked to ACS each year.

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