Merck says cholesterol drug study failed
Dec 20 (Reuters) - Merck & Co Inc said on Thursday a major trial of its Tredaptive medicine to raise "good" HDL cholesterol showed it did not do a better job at preventing heart attacks, deaths or strokes than traditional statin drugs that lower "bad" LDL cholesterol.
Merck said it no longer plans to seek regulatory approval for the drug in the United States and is recommending that providers not start new patients on it.
The failed study had enrolled more than 25,000 patients over more than three years and is a significant setback for the drugmaker because Tredaptive was one of the most important and potentially lucrative of its experimental medicines.
Merck shares were down almost 3 percent at $42.35 compared to Wednesday's closing on the New York Stock Exchange. (Reporting By Caroline Humer and Ransdell Pierson)
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