Ureterolithiasis

This trial tests a new way to remove kidney stones using a special laser and a flexible suction sheath. 140 adults with stones between 6mm and 20mm will be randomly assigned to get the new suction sheath or a standard sheath. The goal is to see if the new method clears more stone…

This study tests three common pain relievers (ibuprofen, paracetamol, and tenoxicam) against a placebo to see which works best during shock wave treatment for kidney stones. About 160 adults will rate their pain at several points during the procedure. The goal is to find the safe…

This study tests whether combining traditional Chinese five-element music therapy with herbal acupoint patches can reduce pain and anxiety in people undergoing kidney stone surgery under local anesthesia. Sixty adults with small kidney stones will be randomly assigned to receive …

This study tests whether a scoring tool called a nomogram can accurately predict if a patient will be completely stone-free after a minimally invasive kidney stone surgery called flexible ureterorenoscopy. Researchers will compare the nomogram's predictions with actual surgical o…

This study looks at whether a special CT measurement, called the URSL Predictive Angle, can help doctors know ahead of time if a kidney stone surgery might need to switch to a different method during the procedure. Researchers will review records from 2,200 patients who had this …

This study will compare gut bacteria and blood markers between 270 kidney stone patients and healthy people in Shanghai. Researchers want to see if hot, humid weather changes gut microbes and tryptophan metabolism in ways that promote stone formation. No treatment is given; the g…