.may 17, 2018 . .shocking figures uncovered by labour show some patients are suffering agonising waits of as many as 541 days to begin treatment http://lm360.us/Brient-son-of-Kinard-from-Holman-Island?Caterinan=196 december 2016 (22) .yet these drugs are not a "home run," says elizabeth loder, md, a professor of neurology at harvard medical school and chief of the division of headache at brigham & women's hospital. .