Dictionary of Cancer Terms
View in Spanish: Estudio clínico no aleatorio
Nonrandomized clinical trial (non-RAN-duh-mized KLIH-nih-kul TRY-ul)
A clinical trial in which the participants are not assigned by chance to different treatment groups. Participants may choose which group they want to be in, or they may be assigned to the groups by the researchers.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.