Clinical trials: Calculi
Ureteroscopy
The Role of Ureteral Stenting Following Uncomplicated Ureteroscopy for Ureteral and Renal Stones: A Randomized, Controlled Trial
It is well established that uncomplicated distal ureteroscopy can be safely performed without leaving a ureteral stent. However, many urologists continue to leave ureteral stents following uncomplicated ureteroscopy, regardless…
- Trial name
- NCT03130907
- Testing
- Placement of ureteral stent
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- San Antonio Uniformed Services Health Education Consortium
Hip Abnormalities, Femur; Angulation
Femoral Neck-shaft Angle in Sohag Population
The femur or thigh bone is the strongest and longest bone of the body and about 45 cm long in an average man that means approximately one fourth of the height of individual. It has upper end, lower end and a cylindrical shaft.
- Conditions
- Hip Abnormalities, Femur; Angulation, Urinary Stone, Lower Limb Arterial Embolus
- Trial name
- NSA (NCT04846465)
- Testing
- Screening in picture archiving and communication system (PACS) .
- Where
- Egypt
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Sohag University
Renal Calculi
Energy Ramping Versus Fixed Dose ESWL
This clinical trial compares two techniques of extracorporeal shock wave lithotripsy (ESWL) - energy ramping versus fixed dose - in adult patients with renal stones.
- Trial name
- NCT07334236
- Testing
- Extracorporeal shock wave lithotripsy
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- mohammed Abdelhafez
Abrasion, Dental, Class I Dental Caries
Performance Of Class I Composite Restorations After Cavity Finishing By Air Abrasion Versus Diamond Stone
The aim of the study is to reveal the performance of the resin composite restorations after finishing the cavity walls and margins using bioactive glass air abrasion particles in comparison to the routine finishing with the…
- Trial name
- NCT06107218
- Testing
- Bioactive Glass Air Abrasion Particles., Diamond Stone.
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Cairo University
Dental Plaque, Calculus, Dental
Electric Toothbrush Efficacy in Preventing Dental Plaque Development
The present study will be the first to compared dental plaque quantitation between an oscillating-rotating electric toothbrush and a manual toothbrush with a new QLF technology.
- Trial name
- E-TOOTH (NCT06358482)
- Testing
- oscillating toothbrush, standard manual toothbrush
- Where
- Italy
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Riccardo Polosa
Dental Decay, Periodontal Abscess
ONE-1 Oral graNd Est 1
This study is about the assessment of two oral telemedecine tools compared to an intra oral clinical examination used as a reference among elderly persons living in nursing home.
- Conditions
- Dental Decay, Periodontal Abscess, Periodontitis, Gingivitis
- Trial name
- ONE (NCT05089214)
- Testing
- Intra oral cameras
- Where
- France
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Dental Plaque, Calculus, Dental
Dental Isolation Methods in Pediatric Patients
The purpose of this study is to collect, measure, and assess the environmental spatter produced during dental appointments under different isolation methods used in pediatric dentistry, to compare the effectiveness of aerosol…
- Conditions
- Dental Plaque, Calculus, Dental, Aerosol Disease
- Trial name
- NCT04430387
- Testing
- The saliva ejector, The high-volume evacuator, The DryShield
- Volunteers
- healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Kidney Stone
Thulium Fiber Laser Prospective Trial
This is a multi-center, prospective clinical trial to assess the effect of TFL for the lithotripsy of kidney stones.
- Trial name
- TFL (NCT05814133)
- Testing
- Thulium Fiber Laser
- Where
- Canada
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Urinary Calculus
Compare the Therapeutic Effect Treated With Tamsulosin and Progesterone After ESWL( Extra Corporeal Shock Wave Lithotripsy) in Urinary Calculus
The purpose of this study is to compare the stone clearance rate treated with different drugs after ESWL in urinary calculus,These drugs are often used in urinary calculus,such as progesterone,tamsulosin,propantheline Bromide and…
- Trial name
- NCT01010048
- Testing
- progesterone,tamsulosin,propantheline Bromide and nifedipine
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Chongqing Medical University
Healthy, Kidney Stone
Assessment of Endogenous Oxalate Synthesis
This study aims to determine the daily rate of endogenous synthesis of oxalate using carbon 13 oxalate isotope tracer technique and a low-oxalate controlled diet.
- Conditions
- Healthy, Kidney Stone, Obesity
- Trial name
- NCT05229952
- Testing
- Low-oxalate controlled diet, Primed, continuous intravenous infusion of 13C2-oxalate
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Kidney Stone, Oxidative Stress
Lime Powder Regimen in Healthy Volunteers
The study aims to investigate the pharmacokinetic parameters and its antioxidative effects in Thai healthy men.
- Trial name
- LimePKphase1 (NCT01273025)
- Testing
- Lime powder regime
- Where
- Thailand
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Chulalongkorn University
Healthy
Renal Metabolism of Glycolate to Oxalate
This study will determine the contribution of glycolate metabolism to urinary oxalate excretion in healthy subjects, using carbon 13 isotope glycolate tracer technique and a low-oxalate controlled diet.
- Trial name
- NCT04437225
- Testing
- Low oxalate controlled Diet, Primed, continuous intravenous infusion of 13C2-Glycolate, Bolus intravenous infusion of 13C2-Glycolate
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Choledocholithiasis, Asymptomatic Condition
The Treatment Effect for Asymptomatic Common Bile Duct Stone
This study is prospective, multicenter study for identify the characteristics of asymptomatic common bile duct stones and effectiveness of treatment.
- Conditions
- Choledocholithiasis, Asymptomatic Condition, Quality of Life
- Trial name
- NCT06215040
- Testing
- Endoscopic retrograde cholangiopancratography
- Where
- South Korea
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Kyungpook National University Hospital
Ureteral Stone
UPURS Trial for Patient-centered Management of Symptomatic Obstructing Stones
A prospective, non-blinded, randomized controlled trial studying the management of symptomatic ureteral stones. This study will compare upfront ureteroscopy vs observation and delayed intervention for patients presenting to the…
- Trial name
- UPURS (NCT05715086)
- Testing
- Ureteroscopy
- Where
- 2 sites in United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Urinary Stone, Urinary Calculi
Ultrasound to Facilitate Stone Passage
This is a prospective, open-label, multi-center study to test the clinical feasibility of facilitating stone passage by the combination of breaking and repositioning stones with ultrasound, without the need for anesthesia.
- Trial name
- NCT04796792
- Testing
- Burst Wave Lithotripsy (BWL) and Ultrasonic Propulsion (UP)
- Where
- 3 sites in United States
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- University of Washington
Kidney Stones
Percutaneous Nephrolithotomy Versus Extracorporeal Shock Wave Lithotripsy
The investigators main hypothesis is that the stone free rate will be much higher (95%) in patients treated with PCNL than patients treated with ESWL where stone free rate is (60%) to determine which treatment is safe and prevent…
- Trial name
- NCT00873054
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- CAMC Health System
Renal Calculi
FANS VS DISS in Treatment of Renal Stone < 2cm
To compare between FANS \& DISS in : Operative time Stone free rate Complications Amount of fluid irrigation
- Trial name
- NCT07559214
- Testing
- Flexible ureteroscopy
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Assiut University
Stone, Kidney, Ultrasound Therapy; Complications
Accuracy of Ultrasound for Detecting Residual Fragments During RIRS
The purpose of this study is to assess the accuracy of ultrasound and traditional fluoroscopy to find the residual fragments before retrograde intrarenal surgery is complete.
- Trial name
- NCT05535816
- Testing
- Ultrasound
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
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
Dental Occlusion, Occlusal Wear of Teeth
Evaluation of Occlusal Adjustment Material Removal on Monolithic Zirconia Blocks: An In Vitro Study
This study aims to improve understanding of the amount of tooth-replacement material removed during a single grinding "stroke" performed in the adjustment of a zirconia crown.
- Conditions
- Dental Occlusion, Occlusal Wear of Teeth, Fixed Dental Prosthesis
- Trial name
- NCT07280130
- Testing
- perform material removal on monolithic zirconia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital