January 29, 2023
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Sienna Biopharmaceuticals losses higher than analysts expected


Research and development expenses more than doubled at Westlake Village-based Sienna Biopharmaceuticals during a “busy” second quarter, the company reported Aug. 9. Net losses were $1 per share, down from $6.50 per share for the previous second quarter, but still higher than analyst estimates of around 62 cents. Shares had fallen more than 3 percent…


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