Merck Evaluating Why Vioxx Raises Risk to Heart
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Merck &amp; Co Inc. is evaluating why its withdrawn painkiller Vioxx raises the chance of heart attack and stroke, but it has not found a mechanism of action, a company official said on Monday.
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Nov. 11, 2004 -- A private research team claims to have identified a unique action of the painkiller Vioxx, which is independent of its anti-inflammatory action, that might explain why it&#39;s linked to heart
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(KSL News) -- New research suggests the risk of heart attack is three times higher among arthritis patients who used the pain killer Vioxx than it is among those who used a chemically similar drug, Celebrex.
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NEW YORK - Merck suffered a huge blow last week when it had to pull its blockbuster painkiller Vioxx from the market after a big study showed that it doubled the risk of heart attacks and strokes.
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FDA researchers say taking high doses of arthritis drug can raise risk of heart attacks. WASHINGTON -- The nation&#39;s largest health management organization is considering changing how it prescribes Vioxx after
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Merck &amp; Co.&#39;s Vioxx painkiller&#39;s heart risk was evident in studies four years before the drug was recalled -- and it should have been pulled from the market then, according to a study published in the medical journal Lancet.
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Those taking Vioxx are twice as prone to cardiac problems than patients taking a placebo. Shares in Merck, the US pharmaceuticals giant, plunged by 27 per cent yesterday after the company withdrew Vioxx, its
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Two leading heart experts called for urgent investigations on Wednesday into whether all painkilling drugs known as COX-2 inhibitors may raise the risk of heart attack in some people.
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Oct. 6, 2004 - Scientists in the United States and regulatory agencies in Europe on Wednesdsay questioned whether Celebrex and other pain relievers might raise the same risk of heart problems as those blamed on the arthritis medicine Vioxx.
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Drug giant Merck pulled its painkiller Vioxx because it increased the risk of heart attacks and strokes. Now the company may face thousands of lawsuits.
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Drug company Merck has removed its painkiller Vioxx because of data showing an increased risk of heart attack and stroke.
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Aug. 26, 2004 -- The arthritis drug Vioxx may carry a higher risk of serious, even fatal heart problems than similar drugs such as Celebrex.
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WASHINGTON -- A study led by a Food and Drug Administration safety official projects that the widespread use of Vioxx may have led to more than 27,000 heart attacks and sudden cardiac deaths before the drug&#39;s abrupt withdrawal last week by Merck &amp; Co.
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U.S. drugs giant Merck & Co Inc. should have pulled its Vioxx painkiller from the market four years ago because data showing it raised the risk of heart attacks has existed since 2000, Swiss scientists said on Friday.
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(CBS/AP) A study financed by the federal government has found that Vioxx, a popular anti-arthritis medicine, may cause serious heart problems, the Wall Street Journal reports.
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Vioxx was associated with higher odds of heart attack than Celebrex, but the difference may be due to a number of factors, including differences in selectivity for the COX-2 isoenzyme, blood pressure, endothelial function and oxidative stress.
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Two leading heart experts called for  urgent investigations on Wednesday into whether all painkilling  drugs known as COX-2 inhibitors may raise the risk of heart  attack in some people.