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Discover 20,904 clinical trials near Philadelphia, Pennsylvania. Find research studies in your area.
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NCT02906787
The purpose of this research study is to better understand (1) why people gain weight when they quit smoking and (2) whether certain types of smoking cessation (i.e. quit smoking) counseling combined with the nicotine patch help people quit smoking and gain less weight.
NCT03245255
This study will use contrast echocardiography to assess the accuracy of a new non-invasive imaging method for subharmonic aided pressure estimation (SHAPE) compared to simultaneously acquired intra-cardiac pressures measured invasively during cardiac catheterization. This study is designed to verify that contrast echocardiography using the SHAPE method, already proven in a canine model and tested in a human pilot study can be used as a surrogate for cardiac catheterization with sufficient accuracy to allow clinical applicability in humans.