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Surrogate Endpoint Audio

 

Synonym(s): Surrogate Marker

Substitute measure for a clinical endpoint. Because it can be difficult to measure clinical endpoints in studies running for several years, researchers often use surrogate endpoints as substitute measures for clinical endpoints. For example, in HIV-related clinical trials, rising CD4 count is used as a surrogate endpoint for progression of HIV infection.

See Related Term(s): Clinical Endpoint, Clinical Trial

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