SEND
Purpose
The Trial Design Model in the SENDIG provides a standardized way to describe those aspects of the planned conduct of a nonclinical study, as shown in the study design diagram examples within this section. The Trial Design Model in the SENDIG is equivalent to the Trial Design Model within the SDTMIG for clinical trials. Trial Design datasets contain study-level, rather than subject-level, information. Note that generally the term "trial" is equivalent to "study" in the nonclinical context. In addition, "subjects" are equivalent to "animals."
The Trial Design Datasets will allow:
- Clear and quick understanding of the design of nonclinical studies (or trials)
- Comparison of the designs of different studies (or trials)
- Comparison of planned and actual treatments and sponsor-defined groups for subjects (or animals) in a study (or trial)
Modeling a nonclinical study in this standardized way requires the explicit statement of certain decision rules that may not be addressed or may not be as explicit in the textual description of the approved study protocol (or study plan). Prospective modeling of the design of a study could contribute to a more complete and wholly representative protocol. Retrospective modeling of the study design provides a Reviewer with a clear description of how the study was conducted.
Overview
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