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Clinical Trials: Description and resources

About Clinical Trials

What is a clinical trial?

Cinical trials are biomedical or health-related research studies in human beings that follow a pre-defined protocol. Two common types of studies are interventional and observational.

Interventional studies

Research subjects are assigned by the investigator to a treatment or other intervention, and their outcomes are measured.

Observational studies

Individuals are observed and their outcomes are measured by the investigators. Data from large, prospective observational studies provide information about the safety and efficacy of medicines in daily clinical use. (from Diabetes Res Clin Pract. 2010 May;88 Suppl 1:S3-9)

Where to Find Clinical Trials

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