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Actionable news in COLL: Collegium Pharmaceutical Inc,

UPDATE 1-Collegium Pharma's opioid painkiller gets U.S. approval

(Adds details, analyst comments, share movement)

April 26 (Reuters) - Collegium Pharmaceutical Inc said on Tuesday the U.S. Food and Drug Administration approved its abuse-deterrent painkiller, more than five months after the drug received tentative approval.

Collegium's shares rose about 19 percent to $22 in extended trading.

The drug's full approval was contingent on the outcome of a lawsuit filed by Purdue Pharma against Collegium.

Purdue Pharma, which has also developed abuse-deterrent versions of the commonly...