先进行难治之症的临床试验的翻译：Refractory disease before clinical trials 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

First for intractable disease clinical trials

Refractory disease before clinical trials

First carries on difficult to govern sickness the clinical test

first conduct a hard-to-cure disease of the clinical trial

Refractory disease before clinical trials