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Browse 9,572 clinical trials for ulcerative colitis. Find studies that match your criteria and connect with research centers.
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Showing 4101-4120 of 9,572 trials
NCT04549649
Recently, in patients with a suboptimal ovarian response, a study of the role of adding a single dose of GnRH agonist to a standard dose of hCG to initiate final oocyte maturation has also been studied. Griffin et al. (2014) reported that in patients who had more than 25% immature oocytes in their previous IVF cycle, the use of dual stimulation could increase the number of mature oocytes. Since studies in this field are limited, the researchers decided to design a clinical trial to investigate the effect of adding a GnRH agonist to a standard dose of hCG to initiate final oocyte maturation in patients with a sub-optimal ovarian response.
NCT05838703
The purpose of this study is to determine if tiotropium Respimat will result in better ventilation distribution of the lung in COPD participants quantified by hyperpolarized XeMRI. This study is designed to simulate the real-life clinical setting where patients receive one-time instruction on the inhaler use.
NCT05901363
Around 10-18% of patients undergoing cholecystectomy for gallstones have common bile duct (CBD) stones. Currently, various procedures for the treatment of cholecystocholedocholithiasis are available including open cholecystectomy plus open common bile duct exploration (OC+OCBDE), laparoscopic cholecystectomy plus laparoscopic common bile duct exploration (LC+LCBDE), may be trans-cystic or trans-choledochal, and laparoscopic cholecystectomy plus endoscopic retrograde cholangiopancreatography (LC+ERCP), which may be performed pre, at, or after LC.