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Term of the Day

Natural History Study

A natural history study is a preplanned intended to track the course of the disease. Its purpose is to identify demographic, genetic, environmental, and other variables (e.g., treatment modalities, concomitant medications) that correlate with the disease’s development and outcomes. Natural history studies are likely to include patients receiving the current standard of care and/or emergent care, which may alter some manifestations of the disease.


Electronic case report form (eCRF)

An eCRF (electronic case report form) is a digital questionnaire that is used to collect data about a clinical study and research participants. The data collected in eCRFs is what biostatisticians analyze to draw a conclusion from a study.