Health / Medical Topics |
Parallel Study
Definition 1
A type of clinical study in which subjects are assigned to one of two treatment arms at the beginning of the trial and continue in that arm throughout the length of the trial. Study subjects are only exposed to the treatment that is assigned to the particular study arm they are enrolled in. (NCI Thesaurus)
Definition 2
Participants are assigned to one of two or more arms in parallel for the duration of the study. (NCI Thesaurus/CDISC)
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