ANAHEIM, Calif., April 18, 2011 /PRNewswire-FirstCall/ -- Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today announced that it will release first quarter 2011 financial results on Tuesday, April 26, 2011 after the close of the U.S. financial markets.  The Company will host a conference call and webcast on Tuesday, April 26, 2011 at 4:30 p.m. Eastern / 1:30 p.m. Pacific to discuss results and highlights of the first quarter, as well as current corporate developments.  Conference call details:Date:

Tuesday, April 26, 2011Time:

4:30 p.m. ETDial-in (U.S.):

877-941-1465Dial-in (International):

480-629-9678Web cast:

www.questcor.comTo access an audio replay of the call:Replay (U.S.):

800-406-7325Replay (International):

303-590-3030Replay Passcode:

4434709About QuestcorQuestcor Pharmaceuticals, Inc. is a biopharmaceutical company whose primary product helps patients with serious, difficult-to-treat medical conditions.  Questcor's primary product is H.P. Acthar® Gel (repository corticotropin injection), an injectable drug that is approved by the FDA for the treatment of 19 indications.  Of these 19 indications, Questcor currently generates substantially all of its net sales from three indications: the treatment of acute exacerbations of multiple sclerosis in adults, the treatment of infantile spasms in children under two years of age and the treatment of nephrotic syndrome. Specifically with respect to nephrotic syndrome, the FDA has approved Acthar to "induce a diuresis or a remission of proteinuria in the nephrotic syndrome without uremia of the idiopathic type or that due to lupus erythematosus."  Questcor is also exploring the possibility of developing markets for other on-label indications and pursuing FDA approval of additional indications not currently