总部位于英国的阿斯利康公司作为监管赞助商主导这项试验。
United Kingdom-based AstraZeneca is leading the trial as regulatory sponsor .
药品制造商辉瑞公司表示希望以近1000亿美元的价格收购英国竞争对手阿斯利康公司。
Pharmaceutical maker Pfizer says it wants to acquire its British rival AstraZeneca for nearly 100 billion dollars .