REFILE-UPDATE 1-AstraZeneca ticks another box as U.S. approves severe asthma drug
November 16, 2017 at 10:59 AM EST
LONDON, Nov 15 (Reuters) - AstraZeneca has achieved another milestone in rebuilding its drug portfolio with U.S. approval of a drug for severe asthma as the company battles to put patent losses on older medicines behind it.
