Alkermes Halts Development of Opioid Constipation Drug

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Alkermes Plc, a maker of drugs for addiction and mental illness, said it would end work on a medicine to treat constipation caused by opioids such as morphine after study results fell short of company expectations.

Alkermes fell 1.9 percent to $15.75 in late U.S. trading at 4:06 p.m. New York time.