4.8 Informed Consent of Trial Subjects
4.8.1 In obtaining and documenting informed consent, the investigator should comply with
the applicable regulatory requirement(s), and should adhere to GCP and to the ethical
principles that have their origin in the Declaration of Helsinki. Prior to the beginning
of the trial, the investigator should have the IRB/IEC's written approval/favourable
opinion of the written informed consent form and any other written information to be
provided to subjects.
4.8.2 The written informed consent form and any other written information to be provided to
subjects should be revised whenever important new information becomes available
that may be relevant to the subjectís consent. Any revised written informed consent
form, and written information should receive the IRB/IEC's approval/favourable
opinion in advance of use. The subject or the subjectís legally acceptable
representative should be informed in a timely manner if new information becomes
available that may be relevant to the subjectís willingness to continue participation in
the trial. The communication of this information should be documented.
4.8.3 Neither the investigator, nor the trial staff, should coerce or unduly influence a subject
to participate or to continue to participate in a trial.
4.8.4 None of the oral and written information concerning the trial, including the written
informed consent form, should contain any language that causes the subject or the
subject's legally acceptable representative to waive or to appear to waive any legal
rights, or that releases or appears to release the investigator, the institution, the
sponsor, or their agents from liability for negligence.
4.8.5 The investigator, or a person designated by the investigator, should fully inform the
subject or, if the subject is unable to provide informed consent, the subject's legally
acceptable representative, of all pertinent aspects of the trial including the written
information and the approval/ favourable opinion by the IRB/IEC.
4.8.6 The language used in the oral and written information about the trial, including the
written informed consent form, should be as non-technical as practical and should be
understandable to the subject or the subject's legally acceptable representative and the
impartial witness, where applicable.
4.8.7 Before informed consent may be obtained, the investigator, or a person designated by
the investigator, should provide the subject or the subject's legally acceptable
representative ample time and opportunity to inquire about details of the trial and to
decide whether or not to participate in the trial. All questions about the trial should be
answered to the satisfaction of the subject or the subject's legally acceptable
representative.
4.8.8 Prior to a subjectís participation in the trial, the written informed consent form should
be signed and personally dated by the subject or by the subject's legally acceptable
representative, and by the person who conducted the informed consent discussion.
4.8.9 If a subject is unable to read or if a legally acceptable representative is unable to read,
an impartial witness should be present during the entire informed consent discussion.
After the written informed consent form and any other written information to be
provided to subjects, is read and explained to the subject or the subjectís legally
acceptable representative, and after the subject or the subjectís legally acceptable
representative has orally consented to the subjectís participation in the trial and, if