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Discover 17,468 clinical trials near Dallas, Texas. Find research studies in your area.
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NCT02754206
The purpose of this study is to understand how biochemical markers in blood, balance disturbances, and cognitive performance are related to brain blood flow changes after a concussion.
NCT05016414
This study is being done to prevent changes in the vision of astronauts during prolonged residence on the International Space Station or a mission to Mars. This project will provide data about the efficacy of lower body negative pressure to mimic daily upright posture by intermittently lowering central venous pressure while in simulated microgravity (3 days of bed rest). The investigators expect that 3 days of bed rest will increase choroid thickness, and choroid area. The investigators hypothesize that nightly LBNP (-20mmHg) will prevent these changes.
NCT03631732
The primary objective of this study is to evaluate the efficacy of switching from a regimen of 2 nucleos(t)Ide reverse transcriptase inhibitors (NRTIs) and a third agent to a fixed dose combination (FDC) of bictegravir/emtricitabine/tenofovir alafenamide (B/F/TAF) versus continuing their baseline regimen in HIV-1 infected, virologically suppressed African American participants.