Clinical trials: Retrograde Intrarenal Surgery (RIRS)
Stone, Kidney
Clinical Efficacy of Mini-PCNLversus RIRS for the Management of Upper Urinary Tract Calculus (1-2.5 cm)
The goal of this [ type of study:]prospective randomized clinical trial. The main question is to compare the outcomes of mini-percutaneous nephrolithotomy (m-PCNL) and retrograde intrarenal surgery (RIRS) in treating upper…
- Trial name
- NCT06031103
- Testing
- mini-PCNL procedure, RIRS procedure
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Ain Shams 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
Renal Stone, Percutaneous Nephrolithotomy
Mini-PNL, RIRS, and ESWL for Treatment of Medium-Sized, High-Density, Non-Lower Pole, Renal Stones
The optimal management of medium-sized renal stones remains quite challenging and continues to be contested. In the present study, the investigators will compare mini-PNL, RIRS and SWL in the treatment of non- lower pole, medium…
- Conditions
- Renal Stone, Percutaneous Nephrolithotomy, Retrograde Intrarenal Surgery, Extracorporeal Shockwave Lithotripsy
- Trial name
- NCT04856722
- Testing
- mini-PNL, RIRS, SWL
- Where
- Egypt
- Volunteers
- 253 people
- Sponsor
- Al-Azhar University
Nephrolithiasis
Comparison of Safety and Efficiency of 20w and 30w Holmium Laser Device in Management of 2-3 cm Diameter Kidney Stones With Retrograde Intrarenal Surgery
To compare safety and efficiency of 20w 30w holmium laser device in treatment of 2-3 cm diameter kidney stones with Retrograde Intrarenal Surgery (RIRS).
- Trial name
- NCT02443909
- Testing
- Retrograde Intrarenal Surgery, Holmium laser device
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people
- Sponsor
- Diskapi Teaching and Research Hospital
Kidney Stone
A Novel Method for Retrograde Intrarenal Surgery (RIRS)
In this prospective randomised controlled study, investigators aims to evaluate the effect of 80 mg gentamicin added to 3 liters of irrigation fluid on stone free rate, intraoperative and postoperative complications during RIRS…
- Trial name
- NCT05202158
- Testing
- Addition of gentamicin to irrigation fluid during RIRS, Only irrigation fluid during RIRS
- Where
- Turkey (Türkiye)
- Volunteers
- 76 people
- Sponsor
- Ankara Training and Research Hospital
Renal Stone
The Effect of Anesthesia Type on RIRS
Retrograde intrarenal surgery (RIRS) with flexible ureteroscopy is based on video monitoring of urinary tract during operation. Therefore, shaking vision on monitor can bother surgeons and make them tired.
- Trial name
- NCT03373617
- Where
- South Korea
- Volunteers
- 66 people
- Sponsor
- Seoul National University Hospital
Kidney Stones, Nephrolithiasis
Flexible and Navigable Suction Ureteral Access Sheath (FANS) vs Conventional Access Sheaths in RIRS: A Prospective Randomized Study.
Kidney stones located in the kidney are commonly treated using a minimally invasive procedure called retrograde intrarenal surgery (RIRS).
- Trial name
- NCT07377461
- Testing
- Flexible and Navigable Suction Ureteral Access Sheath (FANS), Conventional Ureteral Access Sheath
- Where
- Israel
- Volunteers
- 50 people
- Sponsor
- Barzilai Medical Center
Kidney Stone, Ureteroscopy
Retrograde Intrarenal Stone Surgery - A Method of Treating the ESWL Resistant Kidney Stone
Is it possible to decrease the intrarenal pressure in the kidney during endoscopic management of kidney stone by topical administration of drugs? In order to secure fewer complications in ureteroscopic operations the…
- Trial name
- NCT00323843
- Testing
- Isoproterenol
- Where
- Denmark
- Volunteers
- 10 people
- Sponsor
- Fredericia Hosptial
Renal Stones
RIRS Versus ESWL for the Treatment of Renal Stones
To evaluate the effectiveness of RIRS (retrograde intrarenal surgery) and ESWL (extracorporeal shockwaves lithotripsy) in the treatment of renal stone ranging form 6 to 20 mm size.
- Trial name
- NCT02645058
- Testing
- RIRS, ESWL, Rigid and flexible ureteroscope
- Where
- Italy
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Turin, Italy
Stones, Kidney, Ureter Stones
A Comparative Study Between the Usage of Flexible and Navigable Suction Ureteral Access Sheath Versus Traditional Access Sheath in Retrograde Intrarenal Surgeries
A comparative study between the Usage of Flexible and Navigable Suction Ureteral Access Sheath (FANS) versus Traditional Access sheath in RIRS : Randomized controlled trial .
- Trial name
- NCT07076589
- Testing
- FURS
- Where
- Egypt
- Volunteers
- 80 people
- Sponsor
- Yosseif elhousseiny ammar ahmed
Renal Stones, Retrograde Intrarenal Surgery
Tamsulosin and Intraureteral Aminophylline for Ureteral Access During RIRS
This multicenter randomized controlled trial will evaluate whether preoperative tamsulosin, intraureteral aminophylline, or their combination can improve ureteral access during primary retrograde intrarenal surgery for renal…
- Conditions
- Renal Stones, Retrograde Intrarenal Surgery, Ureteral Access Sheath Placement
- Trial name
- TAM-AMIN-UAS (NCT07623876)
- Testing
- Tamsulosin, Intraureteral Aminophylline
- Where
- 3 sites in Egypt
- Volunteers
- 322 people
- Sponsor
- Beni-Suef 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
Renal Stone Disease
Direct In-Scope Suction Versus Standard Flexible Ureterorenoscopy
This prospective study aims to compare the clinical, perioperative, and postoperative outcomes of flexible ureterorenoscopy using a direct in-scope suction system (DISS) with standard flexible ureterorenoscopy in patients…
- Trial name
- NCT07864194
- Testing
- Standard flexible ureterorenoscope, Flexible ureterorenoscope with direct in-scope suction
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people
- Sponsor
- Hitit University
Kidney Stones, Retrograde Intrarenal Surgery
The Role of Preoperative Ureteral Diameter Measurements in Predicting Difficult Access During Retrograde Intrarenal Surgery: A Retrospective Analysis of 234 Patients
This study investigates the role of preoperative ureteral diameter measurements in predicting difficult access during retrograde intrarenal surgery (RIRS) in patients with kidney stones.
- Conditions
- Kidney Stones, Retrograde Intrarenal Surgery, Difficult Ureteral Access Prediction
- Trial name
- NCT06746779
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 234 people
- Sponsor
- Hisar Intercontinental Hospital
Retrograde Intrarenal Surgery
General Versus Spinal Anesthesia in RIRS
The impact of anesthesia type on Retrograde Intrarenal Surgery (RIRS) outcomes remains a subject of ongoing debate. Several studies have compared general anesthesia (GA) and spinal anesthesia (SA) in endourological procedures…
- Trial name
- NCT07664384
- Where
- Egypt
- Volunteers
- 252 people
- Sponsor
- South Valley University
Kidney Stone
Tip Bendable Suction Ureteral Access Sheath vs. Traditional Ureteral Access Sheath in Retrograde Intrarenal Stone Surgery
Nephrolithiasis is the most common chronic kidney condition and affecting approximately one in every 10-17 people in the world[1,2].
- Trial name
- NCT05952635
- Testing
- Tip bendable suction ureteral access sheath
- Where
- China
- Volunteers
- 320 people
- Sponsor
- The First Affiliated Hospital of Guangzhou Medical University
Stone, Urinary, Stone, Kidney
Effect of Preop Stent Duration on SFR and Secondary Intervention in RIRS
This study aims to evaluate how placing a stent before surgery (preoperative stenting or passive dilation) affects the success rate of retrograde intrarenal surgery (RIRS), which is performed for kidney stones.
- Trial name
- NCT07052188
- Testing
- without any preoperative stenting, (DJ) stent placed with sedation and undergo RIRS within 2-4 weeks, Patients will have a DJ stent placed with sedation and undergo RIRS within 4-6 weeks.
- Where
- Turkey (Türkiye)
- Volunteers
- 210 people
- Sponsor
- Bedreddin Kalyenci
Urolithiasis, Airway Management
Videolaryngoscope vs VideoLMA for Endotracheal Intubation in RIRS
This study is a prospective, randomized, parallel-group clinical trial comparing videolaryngoscope and videoLMA for endotracheal intubation in adult patients undergoing surgery. Patients will be randomly assigned into two groups.
- Trial name
- NCT07555535
- Testing
- Videolaryngoscope, VideoLMA
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Ela Erdem Hıdiroglu