受试者须知：什么是临床研究或试验？

临床研究或试验是为了了解或解决一个疾病或健康问题而进行的一次有计划的有健康人或患者参加的研究。

一次研究或试验可能是为了达到以下目的：

了解人们对疾病或一般健康知识的需求。

对药物或设备的安全性和有效性进行测试。

确定治疗和预防疾病的最佳方式。

找出最有成效的健康护理方式。

What is aresearch study?

A researchstudy is an organized way of learning more about a problem or answering aquestion.

A researchstudy may be done to:

•Understand health needs, concerns, or feelings people have about an illness ortheir general health.

• Test if aproduct, such as a drug or piece of equipment, is safe and effective.

• Determinethe best way to treat or prevent an illness.

• Find outwhat health care practices work best.