Merck halts study of "ineffective" HIV vaccine
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Merck & Co has halted testing of its experimental HIV vaccine, long considered one of the most promising vaccines in development, after a monitoring board found it was ineffective, the company said on Friday.
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Trials of a new product designed to help women protect themselves from the AIDS virus were halted on Wednesday after women using it became infected at a higher rate than women not using it, researchers said.
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The U.S. Food and Drug Administration failed the public in its oversight of Merck & Co Inc.'s painkiller Vioxx, which has been withdrawn, and is "incapable of protecting America" from another dangerous drug, an agency researcher told Congress on Thursday.
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Merck & Co Inc on Wednesday voluntarily recalled about 1.2 million doses of its widely used children's vaccines after quality-control checks found production equipment may not have been properly sterilized.
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An experimental vaccine reduced the presence of the HIV virus by at least 80 percent in a Brazilian study of 18 infected patients published on Sunday in the journal Nature Medicine.
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MedImmune Inc. said yesterday it has ended advanced human testing of its drug Vitaxin to treat rheumatoid arthritis and psoriasis because it failed to show clinical benefits in preliminary results.
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Arena Pharmaceuticals, Inc.   said on Monday that Merck & Co. Inc.  has  pulled out of a partnership to develop an experimental drug for  atherosclerosis after results from a mid-stage clinical trail.
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Merck &amp; Co. Inc.&#039;s vaccine to prevent  the world&#039;s most prevalent sexually transmitted infection  sailed through a panel of U.S. health experts, despite early  fears of opposition from the Christian Right that it might lead  to promiscuity and a false sense of security.
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Baxter International has pulled its flu vaccine from a clinical trial in Britain because of side effects. Baxter, of Deerfield, Ill.
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WASHINGTON -- Merck &amp; Co., which stopped selling its blockbuster Vioxx drug due to heart problems caused by the painkiller, manipulated the design of a key study for a new painkiller to minimize its cardiovascular risks and increase chances of approval, a federal whistle-blower says.
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Decode Genetics Inc. said on Thursday  it was halting its late-stage clinical trial program for an  experimental oral heart attack drug after a formulation problem  with the tablets cropped up.
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Merck & Co Inc. MRK.N on Thursday  pulled its arthritis drug Vioxx off the market after a study  showed it doubled the risk of heart attack and stroke, a move  that sent its shares plunging and erased $25 billion from its  market value.
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The US National Institutes of Health halted an Alzheimer&#39;s prevention study of Pfizer Inc.&#39;s Celebrex painkiller and the generic naproxen drug because of a heart risk.
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An experimental gel designed to prevent  men and women from being infected with the virus that causes  AIDS has been dropped by the British biotechnology firm  developing it.
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Merck &amp; Co. forced one of its researchers to remove her name from a study linking Vioxx to heart attacks, then criticized the findings before ultimately pulling the arthritis drug from the market last fall, two of the scientist's colleagues say.
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Clinical trials of a new microbicide gel designed to help prevent women contracting HIV are stopped.
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Clinical trials of an anti-virus gel supposed to help protect women against AIDS were cancelled after it was found that those on the treatment were more susceptible to HIV infection, a statement from the World Health Organisation said.