BUZZ-Auxilium Pharmaceuticals Inc: To buy Canadian drugmaker QLT
** Auxilium's shares up 13 pct at $24 premarket
** Says will buy Canadian eye drug maker QLT Inc in an all-stock deal to gain access to the company's experimental treatment for retinal diseases
** For QLT shareholders, the transaction represents a 25 pct premium based on Auxilium and QLT's closing prices on Wednesday
** QLT shares closed at $5.39 on the Nasdaq
** QLT's U.S.-listed shares not moving
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