United Therapeutics resubmits application for pulmonary arterial hypertension drug

SILVER SPRING, Md. — The Food and Drug Administration has accepted the resubmission of a regulatory approval application from United Therapeutics for a drug to treat pulmonary arterial hypertension, the drug maker said Thursday.

The FDA originally declined to approve the drug, treprostinil diolamine extended-release tablets, in a letter submitted to the company in October 2012.

The agency plans to decide whether or not to approve the drug in March of this year, United Therapeutics said.

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