Nearly three weeks after receiving a letter from Senator Bernie Sanders, Catalyst Pharmaceuticals (CPRX) defended its pricing for Firdapse, a medication for the treatment of adults with Lambert-Eaton myasthenic syndrome. BACKGROUND: On February… To see the rest of the story go to thefly.com. (See Story Here):(https://www.thefly.com/permalinks/entry.php/id2867914/-Catalyst-Pharmaceuticals-defends-pricing-for-Firdapse-after-Sanders-slams-company)