Clinical trials: Flexible Ureteroscopy
Circulatory; Change
Effects of Flexible Ureteroscopy on Renal Blood Flow
Aim of this study is to investigate the effects of increased intrarenal pressure during flexible ureteroscopy on renal blood flow.
- Trial name
- NCT03023488
- Testing
- flexible ureteroscopy, Doppler Ultrasound examination, laser lithotripsy
- Volunteers
- 46 people
- Sponsor
- Marmara University
Kidney Calculi, Ureter Calculi
Comparing Treatment of Urolithiasis Between Disposable and Reusable Ureteroscope
Reusable flexible ureteroscopes are widely used to treat various upper urinary tract diseases including urinary stones. However, they require a long turnover time between procedures because of the sterilization process.
- Trial name
- NCT03040466
- Testing
- reusable fiberoptic ureteroscope, disposable digital ureteroscope
- Where
- United States
- Volunteers
- 180 people
- Sponsor
- University of California, San Francisco
Renal Stone, Nephrolithiasis
Impact Ureteral Sheath Design During Ureteroscopy
The purpose of this study is to assess whether one of two ureteral access sheaths is safer for patients undergoing ureteroscopy. Both sheaths are FDA approved devices and commercially available.
- Conditions
- Renal Stone, Nephrolithiasis, Urolithiasis
- Trial name
- NCT03349099
- Testing
- Cook Flexor, Boston Scientific Navigator
- Volunteers
- 95 people
- Sponsor
- The Cleveland Clinic