Hydronephrosis
MONDO:0005510Collection of urine in the renal pelvis that results in dilatation of the renal pelvis and calyces. It is caused by obstruction of urine flow, nephrolithiasis, or vesicoureteral reflux. Signs and symptoms include flank pain, nausea, vomiting, fever, and dysuria.
18 clinical trials for this condition and its sub-types.
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Broader categories
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New ultrasound technique could prevent unnecessary treatments in pregnant women with kidney swelling
Diagnosis Recruiting nowThis study looks at whether a special ultrasound technique called shear wave elastography can help doctors tell the difference between normal kidney swelling during pregnancy and swelling caused by a blockage that needs treatment. Researchers will measure kidney stiffness in 250 …
Sponsor: Beni-Suef University • Aim: Diagnosis
Last updated Jun 27, 2026 12:24 UTC
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AI learns to read ultrasounds: could speed up diagnosis
Diagnosis Recruiting nowThis study is testing whether an artificial intelligence (AI) system can accurately interpret ultrasound images of the heart and kidneys. Researchers will enroll 300 patients receiving these scans and compare the AI's readings to standard interpretations. The goal is to improve h…
Phase: NA • Sponsor: National Taiwan University Hospital • Aim: Diagnosis
Last updated Jun 26, 2026 18:57 UTC
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Could a new ultrasound replace radiation scans for Kids' kidney defects?
Diagnosis Recruiting nowThis study tests a new ultrasound technique that uses a contrast dye and special computer processing to create detailed images of blood flow and tiny blood vessels in the kidneys. It will involve 20 children aged 1 month to 6 years with congenital kidney and urinary tract abnorma…
Sponsor: University of Erlangen-Nürnberg Medical School • Aim: Diagnosis
Last updated Jun 26, 2026 17:57 UTC
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New study tests which nerve block eases kidney surgery pain best
Symptom relief Recruiting nowThis study compares two types of ultrasound-guided nerve blocks for pain control after open kidney removal surgery. Ninety adults will receive either a rhomboid intercostal sub-serratus plane block or an external oblique intercostal block. Researchers will measure how long it tak…
Phase: NA • Sponsor: Cairo University • Aim: Symptom relief
Last updated Jun 27, 2026 13:07 UTC
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Let it fall? study tests if letting catheters drop out on their own is better than nurse removal
Symptom relief Recruiting nowThis study tests whether letting a bladder catheter fall out on its own (passive removal) is better than having a nurse pull it out (active removal) after urological surgery. 160 men will be randomly assigned to one method. Researchers will measure satisfaction, pain, and anxiety…
Phase: NA • Sponsor: Hospices Civils de Lyon • Aim: Symptom relief
Last updated Jun 27, 2026 11:02 UTC
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New study aims to sharpen diagnosis of malnutrition and kidney disease in seniors
Knowledge-focused Recruiting nowThis study is for older adults, including those in the hospital or with low priority care needs. Researchers want to see if newer methods, like body scans and blood tests, can better detect malnutrition and kidney problems than current standard tests. The goal is to make diagnosi…
Sponsor: Ove Andersen • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:02 UTC
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Can videos and quizzes help patients better understand surgery?
Knowledge-focused Recruiting nowThis study tests a new method to help patients understand complex spine or prostate surgeries before they agree to them. Instead of just reading a form, patients watch multimedia content and answer questions to check their understanding. The goal is to see if this approach makes …
Phase: NA • Sponsor: Istituto Ortopedico Rizzoli • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:01 UTC
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Can AI match doctors? new study puts ChatGPT to the test on urology cases
Knowledge-focused Recruiting nowThis study looks at how well three AI models—ChatGPT, Gemini, and Deepseek—can diagnose and suggest treatments for urology diseases. Researchers will use 800 past patient records from four hospitals to check the AI's accuracy and usefulness. The goal is to understand if AI can he…
Sponsor: First Affiliated Hospital of Fujian Medical University • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:00 UTC