Active clinical trials for "Ureteral Calculi"

The aim of the work is to compare the efficacy of tadalafil and tamsulosin as a medical expulsive therapy for lower ureteric stones

The purpose of this study is to collect real-world evidence on the performance of the SOLTIVE™ Premium SuperPulsed Laser System for laser lithotripsy in ureteroscopy, percutaneous nephrolithotomy (PCNL) and mini PCNL for kidney and ureteral stones.

This is a two arm, double blind RCT comparing the use of a single dose ciprofloxacin prior to SWL to saline alone. The multicenter trial will be conducted with a pragmatic emphasis including both high volume and low volume sites internationally.

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. There is high evidence of the therapeutic benefit of α-blockers in the treatment of Distal ureteric stone (DUS); also endorsed by international guidelines. However, limited data is available worldwide, on the effect of silodosin to treat DUS. A multi-center study is needed to confirm the efficacy and safety of therapy.

Double J (DJ) Stenting is a commonly done procedure in endourology to ensure ureteric patency following Urological Interventions. DJ stents are available in various sizes. This study is focused on comparing two different sizes of DJ Stents, one standard sized 6Fr and other small sized 4Fr. DJ stents are uncomfortable to the patients and few studies have indicated that small size of stents are might be less troublesome. Through this study we plan to establish a relation between different symptoms and size of DJ stents. Study will be conducted at Tribhuvan University Teaching Hospital (TUTH),Maharajgunj.All adults with sterile urine culture prior to stenting will be taken into consideration. Informed consent will be taken and two randomized groups of 6Fr and 4Fr will be formed and data entry done in MS Excel and analysis done by SPSS. The study is expected to take duration of 12months. Ureteral Stent Symptom Questionnaire (USSQ) will evaluate the symptoms on third day and seventh day of stent placement and on Day of stent removal. We expect 4Fr stent to be superior to 6Fr for reduction of stent related symptoms.

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 emergency department with a symptomatic ureteral stone.

Randomized comparison of patient outcomes following standard PCNL versus mini-PCNL.

Background: The STONE score has traditionally been used as a clinical prediction tool to predict the presence of ureteric stones in patients presenting with renal colic. More recently, the CHOKAI score was introduced and found to have superior diagnostic accuracy on both internal and external validation. Objective: Our study aims to externally validate and compare the use of both the CHOKAI and STONE score in a population of UAE patients presenting to the Emergency Department for renal colic. Methods: Over a period of approximately 6 months, the study will follow Emergency Department Physicians at each institution and retrieve data from their encounters with patients presenting with renal colic. Parameters for both CHOKAI and STONE scores will be logged, extracted and matched against a reference standard of CT scan to compare diagnostic accuracy of both scores to predict the presence of ureteric stones in this population. Goals: Evaluation of the findings will discern applicability of scores to the UAE population and contribute to reducing unnecessary radiation exposure. To our knowledge, no studies have compared the use of these scores to diagnose urolithiasis in the United Arab Emirates. Furthermore, this will be the first study to externally validate the CHOKAI score outside of Japan using a controlled, prospective design.

Patients (female, male, or queer) with ureteral stones (smaller than 1 cm at the widest diameter of the stone) without pyonephrosis, urinary sepsis, or untraceable pain will be enrolled into the study. Ureteral width at the smallest area of the ureter (in most cases UV junction) will be noted during regular ultrasound scans. The ratio of ureteral width to the stone diameter will be correlated with the spontaneous stone passage.

Ureteral calculi, commonly known as kidney stones, are a frequent cause of Emergency Department (ED) visits. These stones can get caught in the ureter (the tube connecting the kidney to the bladder) and cause symptoms including pain, nausea, and vomiting. As long as the obstructing stone meets certain conditions and the patient isn't too sick, the patient is usually sent home to try and pass the stone without surgery. This treatment is known as medical expulsive therapy (MET), and routinely involves the use of a drug called tamsulosin, which relaxes the smooth muscle of the urinary system to help the stone pass. Silodosin is a drug in the same class of tamsulosin, but which is thought to have a more selective action and a quicker onset, which would theoretically make it better for aiding in kidney stone passage. The purpose of this study is a head-to-head, blinded comparison of these two drugs to see how quickly they result in stone passage. Subjects are patients presenting to the ED with acute kidney stone shown by CT scan, and who are appropriate for MET. The main study intervention is randomization to receiving either tamsulosin or silodosin. The hypothesis is that silodosin will have decreased time to stone passage compared to tamsulosin. Subjects who qualify and consent are randomized to a two-week course of either silodosin or tamsulosin. They are also given prescriptions for standard of care medications for pain and nausea, as well as a pain diary. They receive a follow-up phone call after one week to remind them of their follow-up appointment, ask about adverse events, and determine if their stone has passed. They have a follow-up visit with study staff at the end of their two week treatment to collect their pain diary, pill count, adverse events, and to determine if their stone has passed. Study participation ends after this follow-up visit.