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Browse 22,488 clinical trials for rheumatoid arthritis. Find studies that match your criteria and connect with research centers.
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NCT07337850
The goal of this prospective observational study is to evaluate whether Gallium-68 Fibroblast Activation Protein Inhibitor (FAPI) PET/CT can improve detection, staging, and recurrence assessment in adult patients (≥18 years) with suspected or confirmed biliary tract cancers, including gallbladder cancer, cholangiocarcinoma, and post-treatment suspected recurrence. The main question(s) this study aims to answer are: Can FAPI PET/CT provide greater sensitivity, specificity and diagnostic accuracy for primary tumors, nodal disease, and metastatic lesions compared to standard FDG PET/CT? Does FAPI PET/CT offer additional diagnostic yield that may affect clinical decision-making and staging, potentially reducing need for invasive staging procedures? Researchers will compare FAPI PET/CT with FDG PET/CT to see if FAPI improves detection of metastatic or recurrent disease, especially peritoneal or liver metastasis and lymph node involvement. Participants will: Provide written informed consent. Undergo FAPI PET/CT imaging (baseline and/or at suspected biochemical or radiologic recurrence). Have quantitative imaging parameters evaluated (SUVmax, tumor-to-liver ratios, metabolic volume). May undergo comparison with FDG PET/CT and/or follow-up imaging or histopathology as gold standard.
NCT07327476
The goal of this randomized controlled clinical trial is to determine whether oral cryotherapy using ice chips can prevent and reduce the incidence and severity of chemotherapy-induced oral mucositis in adult cancer patients receiving 5-fluorouracil and methotrexate chemotherapy regimens. The main questions it aims to answer are: Does the application of oral ice chips reduce the severity of oral mucositis compared to routine mouth care alone? Is there a significant difference in oral mucositis grades between patients receiving oral cryotherapy and those receiving standard mouthwash care? Researchers will compare the experimental group receiving oral ice chips during chemotherapy plus routine mouthwash care with the control group receiving routine mouthwash care only to evaluate the effectiveness of oral cryotherapy in reducing oral mucositis severity. Participants will: Be randomly assigned to either the experimental group (n = 51) or control group (n = 51) Receive chemotherapy with 5-fluorouracil or methotrexate Use routine mouthwash (normal saline/sodium bicarbonate/chlorhexidine) at home Receive oral ice chips during chemotherapy infusion (experimental group only) Be assessed for oral mucositis severity using the WHO Oral Mucositis Grading Scale before and after the intervention