Cluster randomized trials are common in health research in low- and middle-income countries raising issues that challenge interpretation of standard ethical guidelines. While the Ottawa Statement on the ethical design and conduct of cluster randomized trials provides guidance for researchers and research ethics committees, it does not explicitly focus on low- and middle-income settings.
AUTHORS: Augustine T. Choko, Gholamreza Roshandel, Donaldson F. Conserve, Elizabeth L. Corbett, Katherine Fielding, Karla Hemming, Reza Malekzadeh and Charles Weijer