BUZZ-Tekmira Pharmaceuticals Corp: FDA modifies hold on Ebola drug
** Canadian biotechnology company's U.S.-listed shares up 18.4 pct at $16.90 premarket
** FDA said on Thursday it modified clinical hold on company's experimental Ebola drug from "full" to "partial" - to enable its potential use in humans infected with virus
** Recent Ebola outbreak has killed nearly 1,000 people in West Africa
** Tekmira's Ebola drug is one of three drugs worldwide that have shown promising results in monkeys, but effect of these drugs is unproven in humans
** Up to Thursday's close, Tekmira's Nasdaq-listed stock has risen 26 pct since May 27, a day after Sierra Leone first confirmed Ebola outbreak
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