临床试验是一种解决临床问题的科学实验。为了强调这类研究的科学性,常注明为前瞻、随机和对照临床试验,有时并加注系“单盲”或“双盲”。然而,注明某一试验是前瞻、随机或对照等,并不能确保所得资料的价值。临床试验的设计目的是消除所有能影响测 Clinical trials are scientific experiments that solve clinical problems. In order to emphasize the scientific nature of this type of research, it is often noted as a prospective, randomized, and controlled clinical trial, sometimes with the addition of “single blind” or “double blind.” However, indicating that a trial is prospective, random, or control does not ensure the value of the data obtained. Clinical trials are designed to eliminate all impacts