KIDNEY STONE

This study looks at whether losing weight with a special meal replacement program (Optifast) can lower the amount of oxalate in the urine of people who are obese and have had calcium oxalate kidney stones. Oxalate is a substance that can form stones. The researchers will measure …

This study was designed to test a device called RetroPerc that helps doctors reach and remove large kidney stones. It planned to enroll adults with kidney stones larger than 10 mm. However, the study was withdrawn before any participants were enrolled, so no results are available…

This study compares two ways of scheduling shockwave therapy for kidney stones that are 8-15 mm. One group gets two treatments in the same week, the other gets them three weeks apart. Researchers want to see if the faster schedule is just as safe and effective at clearing stones.…

This study looks at whether a popular lemonade drink, potassium citrate, or both can reduce the risk of forming kidney stones. Ten adults with a history of stones and low urine citrate or acid will be followed. The goal is to see if these treatments can change urine chemistry to …

This study looks back at medical records of about 3000 people who had a procedure using a new device called the CVAC System to remove kidney stones. The goal is to see how well the device clears stones and if there are any complications. The study does not involve new treatments …

This study compares a newer laser technology (Moses 2.0) with the standard laser for breaking up kidney stones. About 150 adults with stones between 6 and 20 mm will be treated. The goal is to see which method reduces surgery time and clears stones more completely.

This pilot study is testing whether a daily 20-minute meditation program, done for 2-4 weeks before and 2 weeks after kidney stone surgery, can improve pain and anxiety in patients aged 12 and older. Half of the 50 participants will learn meditation, while the other half will rec…

This study was designed to measure how often urine flows backward from the bladder into the ureter after placing a special stent (RELIEF) in people with kidney stones. Researchers planned to use X-ray imaging to check for reflux and track any symptoms. However, the study was with…

This study follows 1600 adults with small kidney stones (4 mm or smaller) to see how often they pass naturally within 4 to 8 weeks. Researchers will track symptoms, blood tests, and stone features to predict which stones are likely to pass without intervention. Participants fill …

This study looks at how being obese might raise the amount of oxalate the body makes, which can lead to kidney stones. Researchers will give 40 adults (both obese and non-obese) a special low-oxalate diet and measure their urine oxalate levels. The goal is to better understand th…

This study looks at how obesity changes the way the body handles oxalate, a substance that can form kidney stones. Researchers will compare normal-weight and obese adults who have had calcium oxalate stones. Participants eat a controlled diet and provide urine samples to measure …

This study looks at whether giving patients access to a website called WellPrept helps them feel more confident and informed about their upcoming prostate or kidney stone surgery. Researchers will measure if the tool shortens time spent in clinic visits and reduces trips to the e…