Even if the study provided positive results on all fronts, a human trial would carry risks.

即使这项研究在各方面的结果都是积极的，在人身上试验仍然可能有风险。

youdao

“To date, there hasn’t been a single human trial reported in a major medical journal, ” he said.

“迄今为止，还未见一个主要医学期刊报道一个人体试验，”他说。

youdao

It was nearly a decade in the making, but the first human trial using embryonic stem cells was approved on Friday.

对胚胎干细胞的试验已经经历了十年时间了，但是对人类首次胚胎干细胞的试验在星期五刚刚被正式批准。

youdao

The first human trial is slated for early next year, in patients with so-called complete injuries.

FORBES: Health

The late-stage human trial showed a median survival increase of 2.7 months compared with patients who received chemotherapy alone.

FORBES: Magazine Article

He sent it back to the lab for stringent testing on monkeys that would duplicate the human trial conditions.

FORBES: Brain Repair