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Discover 20,904 clinical trials near Philadelphia, Pennsylvania. Find research studies in your area.
Showing 13081-13100 of 20,904 trials
NCT01484925
This research study hopes to identify new molecular markers in the tissue of Barrett's esophagus that will help physicians better understand and manage this condition. Patients undergoing an upper endoscopy will be asked to complete a gastroesophageal reflux disease (GERD) questionnaire, provide a blood sample and allow additional biopsies to be taken during the procedure.
NCT02904278
The purpose of this study is to collect and compare information on how and when adolescent heart transplant recipients take their prescribed medication. The investigators want to find out if regular use of 'an app' on cell phones, called the Teen Pocket PATH® (TPP), can help adolescents take their medication according to their prescribed dosing schedule. This may then help reduce complications of transplant, such as rejection. The investigators also want to find out if how adolescent heart transplant recipients take their medications affects the development of antibodies in their blood. Antibodies are small proteins in the blood that may develop after heart transplantation, and which can sometimes damage a new heart.