Clinical trials on the effectiveness of stem-cell treatments are still ambiguous, but plenty of patients were willing to come forward to support the clinic.

关于干细胞疗法的有效性，临床试验的结果仍然是晦暗不明的，但还是有大量患者愿意接受这种治疗。

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Researchers also say the study raises concerns about clinical trials used to determine the effectiveness of drugs.

研究者还称此项研究增加了对于降低药效的临床试验的关注。

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GM-SCF is already in use in humans as a therapy for neutropenia, and Dr. Shams hopes to eventually test its effectiveness in clinical trials for preventing or treating flu exposure.

GM - SCF作为对嗜中性白血球减少症的治疗早已在人体应用，Shams博士希望最终测试它在预防和治疗流感的临床试验的效力。

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His said this drug still need to be assessed in much larger clinical trials before its effectiveness was known.

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Clinical Antipsychotic Trials of Intervention Effectiveness (CATIE), means for Zyprexa.

FORBES: Magazine Article

The agency can leave ECT devices in their current class and require manufacturers to provide evidence of safety and effectiveness, which may entail new clinical trials and could temporarily limit the devices' use.

CNN: FDA mulls future of electroshock therapy