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U.S. drug developer Raptor Pharmaceuticals explores sale -sources

April 6 (Reuters) - Raptor Pharmaceutical Corp, which develops drugs that treat orphan diseases, is in discussions with investment banks to hire a financial adviser to explore a potential sale, according to people familiar with the matter.

The move may not lead to a sale, the people said this week, asking not to be identified because the deliberations are confidential. Raptor did not respond to a request for comment.

(Reporting by Carl O'Donnell in New York; Editing by Leslie Adler)