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-0.00212891669089446 -0.00119106792838592 0.00443602464666547 0.00150993650763876 -0.0171344968910314 -0.036829320903711 -0.0302643795661513 -0.0312022283286598
Stock impact report

Seres shares drop 7% after news of FDA orphan drug designation for ulcerative colitis therapy [MarketWatch]

Seres Therapeutics, Inc. (MCRB) 
Last seres therapeutics, inc. earnings: 11/5 07:00 am Check Earnings Report
US:NASDAQ Investor Relations: ir.serestherapeutics.com
Company Research Source: MarketWatch
Seres Therapeutics Inc. shares dropped 7.4% in premarket trade on Monday after the company said its microbiome therapy intended for ulcerative colitis received an orphan drug designation from the Food and Drug Administration. The therapy, SER-287, has been studied in a phase 1b trial in patients with mild-to-moderate ulcerative colitis who were failing current therapies, and the FDA reviewed those results in the orphan drug determination, Seres said. SER-287 is a cutting-edge therapy that is taken orally and contains "a consortium of live bacterial spores" to work on the microbiome, or microorganisms like bacteria and viruses in the body. Typically a company's shares rise on an orphan drug designation, which is intended for products that treat a rare disease, and provides various development incentives, including seven years of marketing exclusivity, tax credits and the waiver of some regulatory fees. But Seres shares have dropped before on seemingly-positive results: when the company Show less Read more
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