Abstract

Ethical research on human subjects requires that subjects, if they have the capacity to do so, give free and informed consent to participate in the trials in which they are enrolled. This requirement, which is commonly referred to as the principle of informed consent, was prominently endorsed by the authors of the Belmont Report in 1978, and it remains widely accepted today. Yet while the principle of informed consent is by now almost universally accepted, the responsibilities that it imposes on those who conduct research on human subjects is a more contentious matter. New challenges to securing informed consent have emerged since the publication of the Belmont Report, and responding to these challenges requires...