Steven Nissen

Steven E. Nissen (born 1949), a cardiologist, is chairman of cardiovascular medicine at the Cleveland Clinic. Nissen received his B.S. and his M.D. from University of Michigan. [ [http://www.clevelandclinic.org/heartcenter/pub/staff/searchdetail.asp?staffid=1185 Profile of Dr. Nissen ] ]

Nissen first gained prominence in 1987 when he developed techniques to thread miniaturized ultrasound imaging devices into a patient's heart to reveal the exact composition of plaques causing the early stages of artery damage; the technique is now called intravascular ultrasound (IVUS). This allowed much easier evaluation of anticholesterol medications.

His efforts in 2004 linked COX-2 inhibitors such as celecoxib (Celebrex) and Merck's rofecoxib (Vioxx) with heart attacks, and prevented Merck's similar product, etoricoxib, from being approved. In 2005, his analysis of the experimental diabetes drug muraglitazar, from Bristol-Myers Squibb, exposed its adverse cardiac risk profile, leading to withdrawal of the drug despite initial strong approval from a Food and Drug Administration advisory panel.

In 2007, he found that the diabetes drug rosiglitazone (Avandia) produced by GlaxoSmithKline carried high cardiovascular risks, leading to a warning by the Food and Drug Administration and a sales loss of about 30 percent for the drug. [cite news |first=Stephanie |last=Saul |title=Drug Safety Critic Hurls His Darts From the Inside |url=http://www.nytimes.com/2007/07/22/business/22nissen.html |format= |work=New York Times |publisher= |id= |pages= |page= |date= July 22, 2007]

In 2007, he was named one of the 100 Most Influential People in the world (Time 100) by "Time" Magazine. [ [http://www.time.com/time/specials/2007/time100/article/0,28804,1595326_1595329_1616143,00.html Steven Nissen - The Time 100] ]

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