Welcome!
My name is Charles Weijer (pronounced VEY-er). I am a bioethicist and professor at Western University in London, Canada who specializes in research ethics.
Together with an interdisciplinary team of colleagues and trainees, I explore ethical issues in randomized controlled trials, COVID-19 human challenge studies, and organ donation.
In the news
New publications
Upcoming and recent talks
Informed consent in cluster randomized trials:
a guide for the perplexed
Victorian Centre for Biostatistics, Australia
August 26, 2021
Is informed consent required in cluster randomized trials and, if so, when, from whom, and for what? In this talk, I outline a three-step approach for researchers and research ethics committees. It is the unit of intervention—not the unit of randomization—that drives informed consent issues in cluster randomized trials.
