Merck & Co., Inc. has received a Not Approvable action letter from the U.S. Food and Drug Administration (FDA) for the Company's New Drug Application (NDA) for MK-0524A
(ER niacin/laropiprant) for the treatment of primary hypercholesterolemia or mixed dyslipidemia.
The rejection sent the company's stock tumbling 10%.
"We plan to meet with the FDA and to submit additional information to enable the agency to further evaluate the benefit/risk profile of MK-0524A," said Peter S. Kim, Ph. D. executive vice president and president, Merck Research Laboratories.
"We firmly believe that MK-0524A provides physicians with an important option to manage their patients' cholesterol. We are encouraged that on April 24, the Committee for Medicinal Products for Human Use (CHMP) recommended marketing approval for MK-0524A in Europe, and we will continue to pursue approval within individual markets in the EU and around the world," added Dr. Kim.