pivotal study

基本解释

They identified two pivotal ancestors for further study.
为了更进一步的研究，他们确认了其中两个关键的原型。。
An extension study is ongoing in all 12 patients in order to collect longer term safety data before enrolling patients for a large international multi-center pivotal study in 2010.
扩展研究所有12名患者正在为了一个大型的国际多中心关键研究在2010年之前要收集招收患者更长的长期安全性数据。
Conclusions: In this pivotal phase 3 study, the octreotide implant maintained reduced blood levels of GH and IGF-1 with continuous octreotide release over 6 months, which was well tolerated.
结论：在这个关键的3期研究中，奥曲肽植入物通过6个月持续释放奥曲肽，维持血GH和IGF–1水平降低，并且耐受性良好。

Early results from a pivotal study released by the company suggested it would miss a key goal, making its future in the U.S. uncertain.
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