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Discover 19,675 clinical trials near Pennsylvania. Find research studies in your area.
Showing 14581-14600 of 19,675 trials
NCT00219492
Chest pain is a common clinical complaint. About 30% patients with chest pain will have a normal coronary angiogram and are described as having noncardiac chest pain (NCCP). It is estimated that 25% of the population complain of chest pain at some time in their lifetime. The pathogenesis of NCCP is unknown. Esophageal hypersensitivity as a result of inflammation is considered to be an important mechanism in the development of this pain sensation. Little is currently known about the interaction between inflammatory mediators and peripheral afferent nerve terminals in the esophagus. The mast cell is one of the most enriched pro-inflammatory cells in the gastrointestinal tract. Activation of the mucosal mast cell releases a variety of mediators into adjacent tissues. We hypothesize that mediators released by mast cells sensitize esophageal nociceptors and induce pain sensation.
NCT00676611
The purpose of this research is to study a specific acetabular (hip socket) fracture pattern and how its treatment affects the functional, clinical, and x-ray outcomes. There are no experimental procedures involved.
NCT00670969
The purpose of this study is to determine, in a group of overweight or obese volunteers, if a handheld indirect calorimeter can accurately measures oxygen consumption to determine resting metabolic rate compared to a portable indirect calorimeter.
NCT01784822
The objective this study is to collect post-market data on the performance of the Zenapro™ Hybrid Hernia Repair Device when used to reinforce or bridge the abdominal wall for the repair of ventral hernias.