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Discover 11,561 clinical trials near Austin, Texas. Find research studies in your area.
Showing 6781-6800 of 11,561 trials
NCT04372004
This study is designed to compare the efficacy of detection of COVID-19 infection using the serology test in blood sample and the PCR-based test in the nasopharyngeal (NP) and sputum sample. Furthermore, it aims to evaluate the temporal trend of appearance of IgM and IgG in blood.
NCT03628651
The primary objective of this study is to obtain de-identified, clinically-characterized whole blood specimens for use in developing and evaluating the performance of new biomarker assays for detection of hepatocellular carcinoma (HCC).