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    OPDP warns AcelRx over Dsuvia promotional materials

    In its first warning letter of the year, the US Food and Drug Administration’s (FDA) Office of Prescription Drug Promotion (OPDP) last week cited AcelRx Pharmaceuticals over promotional materials for its opioid analgesic Dsuvia (sufentanil sublingual tablet).   Specifically, the warning letter cites the company for false and misleading claims made in banner ads and a tabletop display that feature a tagline promoting the ease of administration of Dsuvia as “Tongue a...