Research Activity
factorial study
fac·to·ri·al stud·y
Definitions related to factorial study:
  • (factorial) Two or more interventions, each alone or in combination, are evaluated in parallel against a control group. This study design allows for the comparison of active drug to placebo, presence of drug-drug interactions, and comparison of active drugs against each other.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • A type of clinical study in which two or more treatments are given alone and in combination, such that all possible combinations are represented across the treatment arms, and are compared in parallel against the study control group.
    NCI
    U.S. National Cancer Institute, 2021
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