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After months of controversy, the Food and Drug Administration last week ended its ambivalent attitude toward a genetically engineered drug that dissolves blood clots. FDA Commissioner Frank Young announced that the agency had approved the use of tissue plasminogen activator, or t-PA, as an emergency treatment for heart attacks. The drug activates an enzyme that destroys fibrin, the protein that binds clots together. Arterial clotting is thought to be a factor in most of the 1.5 million heart attacks suffered annually in the U.S., so t-PA could save thousands of lives. With an injection of the drug, said...
...FDA did not always feel that way. Despite successful clinical trials of t-PA, an FDA advisory committee had unanimously voted last May not to approve it. No one disputed that t-PA could dissolve clots, but debate raged over two main points: whether the drug increased the survival rate of heart-attack victims, and whether its benefits outweighed the risks. T-PA's tendency to induce bleeding caused strokes in a number of patients. The agency then asked the drug's developer, south San Francisco-based Genentech, to provide further data...
...type of cholesterol can reduce heart- disease risk, a new study shows. -- The FDA approves a controversial anticlotting drug...
Four times a year, more than 200 members of the Fraternidade Descendencia Americana (FDA), the Fraternity of American Descendants, travel here to renew ties and remember their ancestors who fled the South right after the Civil War rather than live under Reconstruction. Despite their Brazilian residence, they have kept their American roots. Although they are fluent in Portuguese, English is often spoken at home. Along with hammocks and fried bananas, these folks are fond of their rocking chairs and sweet potato pie. Fourth of July barbecues are a tradition...
Keeping the faith is one way descendants, particularly the older ones, so mindfully tend ancestral memories. "Preserving our heritage helps us hold on to cherished values and pass them on to future generations," said the FDA's official historian, Judith MacKnight Jones, 71. She has chronicled the Confederate immigration to Brazil in a book titled Soldado Descansa (Soldier Rest). With a certainty that transcends national labels, she adds, "And that's important in a world where values are changing for the worse...