Intensive care nurses' perceptions of various ethics concerns affecting clinical research.

Background: Intensive-care unit (ICU) nurses have an important role in the recruitment of patients for scientific research and in the performance of clinical research.

Aim: A study was conducted to examine ICU nurses' perceptions of ethics-related aspects of ICU-based research. The study focused on nurse attitudes and knowledge related to clinical research, with special emphasis on perceptions of the informed-consent process in ICU research.