Amifampridine
Amifampridine Brand Names- FIRDAPSE | Ruzurgi What is Amifampridine Amifampridine is an oral aminopyridine potassium channel blocker used for the treatment of Lambert-Eaton myasthenic syndrome (LEMS). During 2 double-blind, placebo-controlled discontinuation studies (n = 64), adult patients with LEMS randomized to placebo had statistically significantly greater worsening of muscular weakness according to Quantitative Myasthenia Gravis score …