Reuters) - Swiss drugmaker Novartis' first quarterly results under new CEO Vas Narasimhan have been marred by a prized psoriasis treatment that disappointed and a sharp slump in sales by its U.S. generics unit.
The stock declined 2.2 percent at 1200 GMT, more than double the fall of the broader European Healthcare index after the company released first-quarter earnings.
While Narasimhan confirmed 2018 growth targets, his Cosentyx drug for psoriasis and arthritis missed analyst expectations with revenue plunging from the fourth quarter.
And though price pressure on Novartis's Sandoz U.S. generics business is no secret, the 18 percent sales decline in the world's biggest market underscores the company's uphill struggle in the U.S. to market cheap, copycat pills amid fierce competition and insurers seeking to cut costs.
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