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Browse 40,629 clinical trials for rheumatoid arthritis. Find studies that match your criteria and connect with research centers.
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Showing 7961-7980 of 40,629 trials
NCT06307327
Radiation oropharyngeal mucositis is one of the most painful side effects of radiotherapy in patients with head and neck tumors. However, the traditional radioactive oropharyngeal mucositis grading system has the problem of poor evaluation consistency. To solve this problem, we innovatively classify radiation oropharyngeal mucositis into four types according to the four-stage histopathological changes of acute radiation injury: (1) congestive; (2) Scattered erosion type; (3) Fusion erosion type; (4) Ulcer type. We intend to conduct a multicenter observational cohort study to compare the consistency of different physicians in the assessment of radiation oropharyngeal mucositis with new and traditional classifications, and to explore changes in blood markers of different types of oropharyngeal mucositis using clinical residual blood samples.
NCT02096211
This study is intended to gather short (Pre-operative to 4-years) and mid-term (5-years) information regarding the performance and safety of the commercially available 36mm CERAMAX® Ceramic on Ceramic Total Hip System from a cohort of new study subjects that were not previously involved in the IDE study for this device.