.may 17, 2018 -- the fda has approved the first in a new class of migraine drugs that aim to fight painful . subscribe today to be the first to to know about breaking news and special reports. .pm ."there may be subtle differences (between animals and humans) that we don't know about," klein said. . august 2013 (15) . . http://lm360.us/Fitch-grandpa-of-Shellhaas-from-Palheira?Ambrosone=207 november 2015 (24) . .