知情同意：指受试者被告知可影响其做出参加临床试验决定的各方面情况后，确认同意自愿参加临床试验的过程。该过程应当以书面的、签署姓名和日期的知情同意书作为文件证明。1)
Informed Consent: A process by which a subject voluntarily confirms his or her willingness to participate in a particular trial, after having been informed of all aspects of the trial that are relevant to the subject's decision to participate. Informed consent is documented by means of a written, signed and dated informed consent form.2)