The Chicago independent -- which won Porsche's creative account last year -- has added digital responsibilities for the erectile-dysfunction drug Levitra, according to people familiar with the matter.
Omnicom Group's BBDO, New York, remains Levitra's primary offline agency.
For C-K, still best known in the digital space for the viral Monk-E-Mail simian greetings it crafted for former client CareerBuilder, the win marks its third major pharmaceutical account. It's the agency of record for the sleep aid Rozerem and the heartburn drug Zantac.
Levitra -- a joint venture between Schering-Plough and Glaxo SmithKline -- is the No. 3 ED drug, trailing Pfizer's Viagra and Eli Lilly's Cialis.