In 2016, as the mosquito-borne Zika virus spread through the Americas and cases of infected women having brain-damaged babies mounted, investigators raced to develop a vaccine. Now, a $110 million vaccine trial is underway at 17 sites in nine countries, but it faces an unexpected, and ironic, challenge

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Warning that teenage use of electronic cigarettes has reached “an epidemic proportion,” the FDA on Wednesday gave Juul Labs and four other makers of popular vaping devices 60 days to prove they can keep them away from minors. If they fail, the agency said, it may take the flavored products off the market

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Small interfering RNA sounds like something from a science fiction novel rather than a revolutionary type of medicine. This is an exciting approach because it enhances the effectiveness of the treatment and reduces side effects

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Jeffrey Kahn, director of the Bioethics Institute at Johns Hopkins University, said the move is consistent with recommendations from the Institute of Medicine several years ago. “We have mechanisms in place to protect patients,” he said. “It doesn’t need to be treated as a special case of clinical research any longer.”

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Recent revelations that a U.S. researcher injected Americans with his experimental herpes vaccine without routine safety oversight raised an uproar among scientists and ethicists

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A first-of-its-kind treatment that fixes a mutated gene could soon be available in the US

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And sees firsthand how hard it is. Galvanized by his teenage son’s epilepsy diagnosis, Mayes started a new company to try to shepherd a promising inhaler technology for epilepsy through a key clinical trial

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The approval of gene therapy for leukemia, expected in the next few months, will open the door to a radically new class of cancer treatments

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