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Stock impact report

Ultragenyx says three patients in phase 1/2 gene therapy study had positive results [MarketWatch]

Ultragenyx Pharmaceutical Inc. (RARE) 
Last ultragenyx pharmaceutical inc. earnings: 2/13 04:01 pm Check Earnings Report
US:NASDAQ Investor Relations: ir.ultragenyx.com/investor-relations
Company Research Source: MarketWatch
Ultragenyx says three patients in phase 1/2 gene therapy study had positive results Ultragenyx Pharmaceutical Inc. RARE, -0.71% shares rose 2.5% in premarket trade Wednesday after the company said that the first dose cohort of three patients in a phase 1/2 gene therapy study had "positive longer-term safety and efficacy" results. Moreover, after 24 weeks, the first patient dosed decided to discontinue all alternate medication three weeks ago and "continues to do well," Ultragenyx Chief Executive Emil Kakkis said. While the first patient's urea formation rate was increased "substantially" over 24 weeks, the second and third patients did not show a clinically meaningful change in rate of urea formation over 20 weeks and 12 weeks, Ultragenyx said. The gene therapy, DTX301, is being developed for ornithine transcarbamylase deficiency, a genetic disorder that can cause acute and chronic neurological deficits and other toxicities; an estimated 10,000 patients have OTC deficiency worldwid Show less Read more
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