Clinical trials: Calculi
Cholelithiasis
Lithotripsy for the Treatment of Gallstones
The purpose of this study is to determine the effectiveness and safety of using the Medstone lithotripter to treat single non-calcified gallstones from 4 to 20 mm in diameter.
- Trial name
- NCT00042549
- Testing
- Extracorporeal Shock Wave Lithotripsy, ursodiol
- Where
- 2 sites in United States
- Volunteers
- 184 people, healthy volunteers welcome
- Sponsor
- Medstone International
Renal Stone
Percutaneous Nephrolithotomy for Treatment of Kidney Stones Greater Than 2 cm
Percutaneous nephrolithotomy (PCNL) is a minimally invasive procedure considered as the treatment of choice for the management of large-scale and fully-formed kidney stones.This procedure has a 5% risk of complications including…
- Trial name
- NCT03189264
- Testing
- percutaneous nephrolithotomy for kidney stones
- Where
- Colombia
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Dr Carlos Hernández
Ureteric Stone of Lower Third of Ureter
Medical Stone Expulsive Therapy for Acutely Obstructed Ureteric Calculi
As a first treatment option for small-size ureteric stones, α-blockers are now being used for medical expulsive therapy (MET) instead of invasive procedures.
- Trial name
- NCT05977647
- Testing
- Tamsulosin Oral Capsule
- Where
- Pakistan
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Getz Pharma
Ureteral Stones
Is Prophylactic Antibiotics Necessary In Otherwise Healthy Adult Patients Undergoing Ureteroscopic Procedures for Ureteral Stones?
The present study aims to investigate the relative efficacy, safety and risk of a single-dose prophylaxis in otherwise healthy adult patients undergoing ureteroscopic procedures for ureteral stones.
- Trial name
- NCT02635490
- Where
- Taiwan
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation
Gallstones
Feasibility of Transvaginal Cholecystectomy
Today there are three different ways to remove a gallbladder with gallstones. Surgeons can remove the gallbladder through small incisions in the abdomen. This is called laparoscopic cholecystectomy. It is the current standard.
- Trial name
- TVC (NCT01232959)
- Testing
- Transvaginal Cholecystectomy
- Volunteers
- healthy volunteers welcome
- Sponsor
- Mayo Clinic
Healthy Volunteers, Enteric Hyperoxaluria
Safety, Tolerability, and Pharmacodynamics of NOV-001 in Adult Subjects
The first stage of this study is a prospective, adaptive, Phase 1, first-in-human, randomized, controlled study evaluating safety, tolerability, and pharmacodynamics of NOV-001 in adult healthy volunteers.
- Trial name
- NCT04909723
- Testing
- NOV-001, NB1000S, NB2000P
- Where
- 20 sites in United States, Canada
- Volunteers
- 153 people, healthy volunteers welcome
- Sponsor
- Novome Biotechnologies Inc
Kidney Stone
Influence of Obesity on Endogenous Oxalate Synthesis
There is increasing evidence that obesity is associated with increased urinary oxalate excretion, an important risk factor for calcium oxalate stone formation.
- Trial name
- NCT03704350
- Testing
- controlled diet
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
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
Calculi, Urinary, Dietary Supplements
Analysis of Urine Composition Saturation and Dietary Intervention in Subjects Without Urinary Calculi
Urinary calculi have become a global public health problem, which brings a huge economic burden to society and individuals. The pathogenesis of urinary calculi is not completely clear.
- Conditions
- Calculi, Urinary, Dietary Supplements, Urine Specimen Collection
- Trial name
- NCT05102279
- Testing
- Giving subjects different phosphorus diets at different stages of the trial
- Where
- China
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University
Calculus, Dental, Periodontal Diseases
Development of a New Toothpaste for the Removal of Dental Calculus.
Periodontal disease is amongst the most prevalent oral diseases worldwide and in North America. According to the 2007/09 Canadian Health Measures Survey, 16% of Canadian adults and 24% of older adults, 60 to 79 years of age, were…
- Conditions
- Calculus, Dental, Periodontal Diseases, Periodontal Inflammation
- Trial name
- NCT04381403
- Testing
- Bio-descaling D-Tart toothpaste, Crest® toothpaste
- Where
- Canada
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Faleh Tamimi
Endoscopic Retrograde Cholangiopancreatography, ERCP-Laparoscopic Cholecystectomy Interval
Post-ERCP Cholecystectomy. How ERCP and ERCP-related Variables Effect the Outcomes?
In this retrospective study, we aimed to detect of effects of ERCP on outcomes of Laparoscopic Cholecystectomy. Patients underwent elective cholecystectomy surgery with a diagnosis of symptomatic cholelithiasis were identified…
- Conditions
- Endoscopic Retrograde Cholangiopancreatography, ERCP-Laparoscopic Cholecystectomy Interval, Number of Preoperative ERCPs, Stone Extraction Status in ERCP Procedures
- Trial name
- NCT06388525
- Testing
- Endoscopic Retrograde Cholangiopancreatography
- Where
- Turkey (Türkiye)
- Volunteers
- 426 people, healthy volunteers welcome
- Sponsor
- Kanuni Sultan Suleyman Training and Research Hospital
Aphthous Stomatitis, Recurrent, Aphthous Stomatitis
Effect of Alum Stone Containing Mucosal Adhesive Patches on Healing of Recurrent Aphthous Stomatitis
The evaluation of recurrent aphthous stomatitis (RAS) was performed by an oral medicine specialist, who relied on the clinical manifestations of the condition.
- Conditions
- Aphthous Stomatitis, Recurrent, Aphthous Stomatitis, Aphthous Ulcer
- Trial name
- NCT06960278
- Testing
- Size of aphthous lesions and degree of pain assessed at days 1, 3, and 5., Control, ALUMSTONE
- Where
- Iraq
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University Of Anbar
Cholelithiasis Associated With Common Bile Duct Stones
Timing of Laparoscopic Cholecystectomy After Endoscopic Retrograde Cholangiography for Acute Biliary Pancreatitis
Timing of laparoscopic cholecystectomy following after endoscopic retrograde cholangiography for acute biliary pancreatitis is a controversial issue.
- Trial name
- NCT01687959
- Testing
- tissue sampling from peritoneum of the gallbladder
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
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
Kidney Transplantation, Urinary Calculi
Evaluation of Kidney Function by Multi-modal Magnetic Resonance Imaging and Spectroscopy
Multimodal functional magnetic resonance (MR) methods, including MR diffusion, Blood-Oxygenation Level Dependent (BOLD) imaging and MR spectroscopy may provide complementary information about the functional status of a kidney.
- Trial name
- NCT00575432
- Testing
- diffusion MRI, BOLD MRI, Clinical Outcome
- Where
- Switzerland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Dental Calculus, Gingivitis and Periodontal Diseases
Bio-Descaling Toothpaste for Dental Calculus Reduction
Dental calculus is a calcified mineralized plaque composed primarily of calcium phosphate salts covered by an unmineralized bacterial biofilm layer.
- Conditions
- Dental Calculus, Gingivitis and Periodontal Diseases, Periodontal Diseases
- Trial name
- AntiCal (NCT07689071)
- Testing
- Bio-Descaling Powder (BDP) Toothpaste
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid
Mental Health Issue (E.G., Depression, Psychosis, Personality Disorder, Substance Abuse)
Homeless Youth Study - Stepping Stone 2.0
Housing instability is both a cause and consequence of mental health problems. As such youth experiencing housing instability (e.g., homeless or marginally housed) have higher rates of mental health problems.Because of their…
- Trial name
- NCT03776422
- Testing
- Mobile self-help intervention
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
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
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
Cholelithiasis
Epidemiology of Gallbladder Sludge and Stones in Pregnancy
The specific objective of this project is to study the impact exercise has on gallstone formation during pregnancy when women are at increased risk due to biochemical and physiological alterations.
- Trial name
- NCT00131131
- Testing
- Exercise
- Where
- United States
- Volunteers
- 1,196 people, healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)