FDA declines to approve PTC's Duchenne drug

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IN—(Reuters) - The U.S. Food and Drug Administration has declined to approve PTC Therapeutics Inc's experimental drug to treat Duchenne muscular dystrophy, saying an additional clinical trial would be needed to prove the drug works.

FDA approves AstraZeneca's asthma drug. (Reuters) - Anglo-Swedish pharmaceutical firm AstraZeneca Plc on Tuesday said the U.S. Food and Drug Administration approved its drug benralizumab, as an add-on treatment for patients with severe asthma aged 12 years and older.