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Viking Therapeutics said on Tuesday its experimental weight-loss pill helped people with obesity lose up to 12.2 percent of their body weight over 13 weeks in a keenly watched study.
Yet, shares of the company slumped nearly 35 percent in premarket trading after data showed that more patients who received Viking’s drug stopped taking the treatment, compared to those who received placebo in the mid-stage study.
Oral drugs are expected to take a significant share of the projected $150 billion…
