FDA panel recommends dropping serious warning on Pfizer's Chantix

(Reuters) - A serious warning on Pfizer Inc's drug that helps quit smoking should be removed, 10 of 19 independent panelists to the U.S. Food and Drug Administration recommended on Wednesday, after reviewing additional trial data. Four panelists voted to change the language in the "black box warning" - about neuropsychiatric risks including suicidal thoughts, hostility and agitation - while five recommended retaining it. On Monday, FDA staff issued a scathing review of the large post-marketing s