GW Pharma shares dented after cannabinoid drug fails a PhIIa study on focal seizures
After rounding up a considerable portfolio of promising late-stage data for its cannabis-based anti-convulsive drug Epidiolex, the UK’s GW Pharmaceuticals reported after the market closed that another earlier-stage therapy of theirs had whiffed in a Phase IIa trial for focal seizures.
The cannabinoid drug GWP42006 did no better than a placebo in reducing focal seizures, with comparable reductions of about 40% in both arms. The drug arm did stand out in one way: outscoring the placebo on adverse events, 73% in the drug arm compared to 48% in the very active placebo arm. Most of those adverse events, they add, were mild to moderate.
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