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Stock impact report

Biogen Plummets as Alzheimer Drug Shows Little Efficacy in Trial [TheStreet.com]

Biogen Inc. (BIIB) 
Last biogen inc. earnings: 4/22 07:12 am Check Earnings Report
US:NASDAQ Investor Relations: biogen.com/en_us/investors.html
Company Research Source: TheStreet.com
Biogen Plummets as Alzheimer Drug Shows Little Efficacy in Trial That didn't go as planned for Biogen Inc. ( BIIB ) . Shares of the biotech giant plummeted $45.83, or about 12%, to $338 in late-afternoon trading Thursday after mid-stage trial results of its Alzheimer's drug left analysts and investors questioning the efficacy of the treatment when compared to certain measures. BAN2401, which is being developed with Eisai Co. Ltd. ( ESALY ) , was shown to reduce the rate of cognitive decline in patients with the neurodegenerative disease by 30% at the highest dose compared to placebo over an 18-month period, which exceeded analysts' expectations of a 15-20% reduction. The drug showed statistically significant improvement across a few composite measures, including the Alzheimer's Disease Assessment Scale-cognitive subscale, showing a 47% reduction in cognitive decline. BAN2401 also reduced the amount of amyloid plaque buildup by 93%. Yet, the Alzheimer's antibody f Show less Read more
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