Clinical trials: Urinary Tract Stone Surgery
Kidney Calculi
The Effect of Education Given to Patients on Pre- and Post-operative Anxiety and Preparation for Discharge
The data of the randomized controlled experimental research were collected at Atatürk University Health Application and Research Hospital Urology Clinics between November 2021 and May 2022.
- Trial name
- NCT05511545
- Testing
- Patient Education Booklet
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 122 people, healthy volunteers welcome
- Sponsor
- Ataturk University
Urinary Infections, Urolithiasis
The Effect of Preoperative Culture Timing on Postoperative Outcomes of Retrograde Intrarenal Surgery
The rate of complications (unexpected situations) after retrograde intrarenal surgery is reported to be 9-25%, and the majority of these are postoperative infections.
- Trial name
- NCT06723327
- Where
- Turkey (Türkiye)
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Namik Kemal University
Kidney Calculi, Nephrolithotomy, Percutaneous
Bilateral Synchronous Simultaneous Stone Surgery
Advancements in technology and endourological armamentarium provides multiple surgical options for complicated stone patients. To avoid multiple operations and shorten the total operation durations, bilateral synchronous…
- Conditions
- Kidney Calculi, Nephrolithotomy, Percutaneous, Ureteroscopy
- Trial name
- NCT03599297
- Testing
- Bilateral synchronous simultaneous stone surgery
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- Marmara University
Kidney Stones, Surgical Blood Loss
Combined Intravenous and Irrigation Tranexamic Acid During Percutaneous Nephrolithotomy
Percutaneous nephrolithotomy is a minimally invasive surgical procedure used to remove large kidney stones. Although it is an effective treatment, bleeding during and after the procedure remains one of the main concerns and may…
- Conditions
- Kidney Stones, Surgical Blood Loss, Percutaneous Nephrolithotomy
- Trial name
- NCT07582341
- Testing
- Tranexamic acid, Normal Saline
- Where
- Egypt
- Volunteers
- 90 people
- Sponsor
- Benha University
Kidney; Mobile
Can High Ventilation Provide Higher Success Rates in Retrograde Intrarenal Surgery?
RIRS (Retrograde Intrarenal Surgery) has been accepted as a first-line treatment option for urinary stones smaller than 2 cm and is generally performed under general anesthesia to manipulate respirator-related renal mobility.
- Trial name
- NCT05792670
- Testing
- Changing mechanic ventilatation parameters
- Where
- Turkey (Türkiye)
- Volunteers
- 140 people
- Sponsor
- Namik Kemal University
Renal Calculi
Normal vs Low Tidal Volume Ventilation in Retrograde Intrarenal Surgery
Retrograde intrarenal surgery is commonly performed under general anesthesia for the treatment of renal stones. During the procedure, respiratory-related renal movement caused by positive-pressure ventilation may impair…
- Trial name
- NCT07643324
- Testing
- low tidal volume ventilation
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Hitit University
Ureteral Calculi
URSL Angle for Predicting Intraoperative Conversion
This international multicenter retrospective cohort study aims to externally validate the URSL Predictive Angle, a novel CT-derived morphometric parameter, as an imaging biomarker for predicting intraoperative conversion risk…
- Trial name
- URSL-PREDICT (NCT07561684)
- Volunteers
- 2,200 people
- Sponsor
- The First Hospital of Jilin University
Kidney Stones, Nephrolithiasis
Retrograde Intrarenal Surgery (RIRS) With High-Power Laser and Flexible, Navigable Suction Access Sheath (FANS) vs Mini-Percutaneous Nephrolithotomy (miniPCNL) for 2-3 cm Renal Stones
This prospective cohort study aims to compare the safety and efficacy of retrograde intrarenal surgery combined with a high-power Holmium:YAG laser and flexible navigable suction access sheath versus mini-percutaneous…
- Trial name
- NCT07349992
- Testing
- Retrograde Intrarenal Surgery, Mini Percutaneous Nephrolithotomy
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Necmettin Erbakan University
Nephrolithiasis
RIRS With Flex Suction Sheath vs. PCNL for 2-3 cm Renal Stones
This is a multicenter, randomized controlled trial comparing retrograde intrarenal surgery (RIRS) using a tip-flexible suction access sheath with standard percutaneous nephrolithotomy (PCNL) for the treatment of 2-3 cm unilateral…
- Trial name
- NCT07058402
- Testing
- Retrograde Intrarenal Surgery (RIRS) with Tip-Flexible Suction Access Sheath, Standard Percutaneous Nephrolithotomy (PCNL)
- Where
- China
- Volunteers
- 308 people
- Sponsor
- Changhai Hospital
Kidney Stone
Evaluation of Renal Injury After RIRS Using Shear-Wave Elastography
This study aims to evaluate changes in renal parenchyma following retrograde intrarenal surgery (RIRS) using shear-wave elastography.
- Trial name
- NCT07615452
- Testing
- Aspiration-assisted ureteral access sheath, Standard ureteral access sheath
- Volunteers
- 60 people
- Sponsor
- Cengiz Canakci, MD
Stone Ureter, Stone;Renal
Clinical Trial Evaluating the Efficiency of Holmium Laser Settings on Urinary Stones
The primary objective of this study is to compare the time to acceptable stone fragmentation during clinical use of the holmium laser when using energy settings 0.2J vs 0.8J.
- Conditions
- Stone Ureter, Stone;Renal, Surgery
- Trial name
- NCT03526458
- Testing
- Holmium:YAG laser
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of Wisconsin, Madison
Kidney Stone
Reducing Opioid Prescription After Kidney Stone Removal Surgery
The purpose of this study is to implement and assess a standard way of prescribing opioid pain medication following PCNL (a kidney stone removal surgery) to ensure patients are being discharged with an appropriate quantity of…
- Trial name
- NCT05353478
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Mayo Clinic
Renal Calculi
Cost-Effectiveness of Different Treatment Options for Lower Calyceal Stones
The aim of the present study to perform a full cost analysis for the complete clearance of calyceal stones by retrograde intrarenal surgery (RIRS) and percutaneous nephrolithotomy (PNL) for the treatment of lower calyceal stones…
- Trial name
- NCT03614247
- Testing
- Retrograde intrarenal surgery, Micro-PNL, Ultra-mini PNL
- Volunteers
- 175 people
- Sponsor
- Ankara Training and Research Hospital
Kidney Stones
Trial Comparing Three Different Devices for Kidney Stone Removal During Percutaneous Surgery
The investigators plan to compare three different devices that are used to break up large kidney stones during surgery for removal to see if one is faster or more efficient than the others.
- Trial name
- NCT00952315
- Testing
- Cyberwand, Stonebreaker, Lithoclast Select
- Where
- 10 sites in United States, Canada
- Volunteers
- 270 people
- Sponsor
- Indiana Kidney Stone Institute
Nephrolithiasis, Kidney Stone
Observational Approach Versus Surgical Intervention for Stones
The aims of the Observational Approach versus Surgical Intervention for Asymptomatic Stone (OASIS) trial are: 1) to determine whether observation compared to upfront surgery results in less healthcare-related life disruption due…
- Trial name
- OASIS (NCT07718802)
- Testing
- Surgery, Observation
- Where
- 4 sites in United States
- Volunteers
- 1,658 people
- Sponsor
- Children's Hospital of Philadelphia
Kidney Stone, Retrograde Intrarenal Surgery
Ureteral Stenting After Retrograde Intrarenal Surgery for Renal Stones
Several studies evaluated the benefit of a short-term external ureteral catheter (UC) compared to double-J (DJ) ureteral stent after flexible ureteroscopy (URS); the results were controversial.
- Conditions
- Kidney Stone, Retrograde Intrarenal Surgery, Ureteral Stent
- Trial name
- NCT05738304
- Testing
- Retrograde intrarenal surgery with external ureteral catheter, Retrograde intrarenal surgery with double J internal ureteral stent
- Where
- Egypt
- Volunteers
- 250 people
- Sponsor
- Al-Azhar University
Urinary Stone
Results of Safety Guidewire Use in Ureteroscopic Stone Surgery
Up-to-date, urology guidelines introduce safety guidewire (SGW) as an integral tool in ureteroscopy and recommended its routine use.
- Trial name
- NCT03108053
- Testing
- Semirigid Ureteroscopy (URS) With Guide Wire, Semirigid Ureteroscopy (URS) Without Guide Wire
- Where
- Turkey (Türkiye)
- Volunteers
- 250 people
- Sponsor
- Marmara University
Retrograde Intrarenal Surgery, Stone, Kidney
Homework in Retrograde Intrarenal Surgery
To evaluate the effectiveness of this homework on stone clearance rates after retrograde intrarenal surgery (RIRS) by instructing the patient in the home environment and suggesting percussion and movement/position changes to…
- Trial name
- NCT06795256
- Testing
- Percussion and position change in retrograde intrarenal surgery
- Where
- Turkey (Türkiye)
- Volunteers
- 200 people
- Sponsor
- Adiyaman University
Kidney Calculi, Quality of Life
Quality of Life in Kidney Stone Patients Undergoing Surgery
This is a prospective randomized study, comparing quality of life in renal stone patients undergoing surgical treatment with ureteroscopy (URS) versus percutaneous nephrolithotomy (PNL).
- Trial name
- NCT02625051
- Testing
- Ureteroscopy, Percutaneous nephrolithotomy
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- University of California, San Francisco