Alexza Surges After Panel Backs Inhaled Antipsychotic Drug

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Alexza Pharmaceuticals Inc. climbed the most in 11 months after a U.S. panel backed the drugmaker’s plan to sell an inhaled antipsychotic drug that may put some patients at risk for respiratory failure.

Alexza rose 25 percent to 78 cents at 4 p.m. New York time, the most since Jan. 14, a day after outside advisers to the Food and Drug Administration recommended that the agency approve a single daily dose of Adasuve for schizophrenia and bipolar mania. The 9-8 vote, in Adelphi, Maryland, was contingent on the company using a risk mitigation plan proposed by the FDA.