Clinical trials: Stricture
Hypospadias
Effect of Caudal and Penile Block on Hypospadias Repair Complications
Hypospadias is one of the most common genitourinary (GU) malformations, seen in approximately 1 of 250 male live births. Common methods of local anesthesia administration for hypospadias surgery include caudal and dorsal penile…
- Trial name
- NCT02851290
- Testing
- Caudal block anesthesia, Dorsal penile nerve block anesthesia
- Where
- United States
- Volunteers
- 66 people
- Sponsor
- Baylor College of Medicine
Biliary Disease, Common Bile Duct Calculi
Needle Knife Fistulotomy Versus Partial Ampullary Endoscopic Mucosal Resection for Difficult Biliary Cannulation
The aims of this study are to compare the needle knife fistulotomy (NKF) technique versus the partial ampullary endoscopic mucosal resection (PA-EMR) technique in patients with difficult biliary cannulation and to assess the…
- Conditions
- Biliary Disease, Common Bile Duct Calculi, Biliary Stricture, Malignant Hepatobiliary Neoplasm
- Trial name
- NCT05068739
- Testing
- PA-EMR, NKF
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people
- Sponsor
- Duzce University
Bile Duct Stricture
Suspended Overlength Biliary Stents Preventing Duodenobiliary Reflux in Patients With Biliary Stricture
Endoscopic insertion of plastic or metal stents in bile duct under endoscopic retrograde cholangiopancreatography is a well established treatment of distal malignant biliary obstruction.Biliary stents are widely used to relieve…
- Trial name
- NCT03310554
- Testing
- 26cm suspended overlength biliary stents, 30cm suspended overlength biliary stents, ordinary plastic biliary stents
- Where
- China
- Volunteers
- 117 people
- Sponsor
- Peking University Third Hospital
Esophageal Stricture
The Use of Triamcinolone Injection in Treatment of Refractory Benign Esophageal Stricture in Children
To evaluate the efficacy of Intra-lesional triamcinolone injection in the management of refractory benign esophageal Stricture in children.
- Trial name
- NCT04524897
- Testing
- Triamcinolone Injection in treatment of refractory benign Esophageal Stricture in children
- Volunteers
- 20 people
- Sponsor
- Assiut University
Bile Duct Stricture
Intraintestinal Extended Biliary Stents Preventing Duodenobiliary Reflux in Patients With Biliary Stricture
Metal or plastic biliary stents placement under Endoscopic Retrograde Cholangiopancreatography(ERCP) is a well-established treatment for patients with benign biliary obstruction to relieve jaundice, a palliative treatment for…
- Trial name
- NCT04550819
- Testing
- intraintestinal extended biliary stents, ordinary plastic biliary stents
- Where
- China
- Volunteers
- 724 people
- Sponsor
- Peking University Third Hospital
Urethral Stricture
Urethral Stricture: A Comparison Between Jugal or Labial Graft Urethroplasty
Buccal mucosa urethroplasty is a current fashion in urethral stricture management. In our university centre (Hospital de Clínicas de Porto Alegre) is a common surgical treatment choice.
- Trial name
- NCT03973619
- Testing
- Labial Graft, Jugal Graft
- Volunteers
- 77 people
- Sponsor
- Hospital de Clinicas de Porto Alegre
Pelvi Ureteric Junction Obstruction or Ureteral Stricture
Buccal Mucosal Graft for the Repair of Iatrogenic Pelviureteric Junction Obstruction or Ureteric Stricture.
Prospective study to evaluate the safety and efficacy of using buccal mucosal graft for repairing complex cases of iatrogenic pelvi ureteric junction obstruction and long segment ureteric stricture disease.
- Trial name
- NCT04503330
- Testing
- buccal mucosal graft to repair iatrogenic PUJO
- Volunteers
- 20 people
- Sponsor
- Cairo University
Stricture; Trachea, Malignant Neoplasm
Airway Segmented Stent Modified With 3D Printing for Malignant Stricture Involving Carina and Distal Bronchi
In this study, we used the covered metallic segmented airway stent to treat malignant strictures involving carina and bronchi distal to carina and aimed to determine the feasibility, efficacy and safety of this technique.
- Trial name
- NCT03890575
- Testing
- Airway stent implantation
- Where
- 2 sites in China
- Volunteers
- 100 people
- Sponsor
- Ruijin Hospital
Elective Penile Surgeries, Hypospadias
Effects of Dexmedetomidine as Adjunct to Pudendal Block for Pediatric Penile Surgery
Caudal block is often performed to relieve postoperative pain in pediatric urological surgery. Recently, pudendal block is also used in penile surgery and it has advantage because of less side effects such as transient weakness…
- Conditions
- Elective Penile Surgeries, Hypospadias, Urethral Fistula or Stricture After Hypospadias Repair, Penile Curvature
- Trial name
- NCT02848157
- Testing
- Dexmedetomidine, plain ropivacaine, Ropivacaine
- Where
- South Korea
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Biliary Stricture
Factors Predicting Positive Yields on Biliary Brush Cytology During Endoscopic Retrograde Cholangiopancreatography
To determine factors associated with a positive yield of malignancy on biliary brush cytology obtained by ERCP.
- Trial name
- ERCP (NCT00894348)
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- The Cleveland Clinic
Hypospadias Repair
Hemostasis During Hypospadias Surgery
A comparison between the two hemostatic methods of hypospadias repairing operation, in terms of early and mid-term (up to 6 months) failure rate (wound dehiscence and urethral stricture needing reoperation) between the two…
- Trial name
- NCT02268019
- Testing
- tourniquet application, epinephrine injection
- Where
- Iran
- Volunteers
- 70 people
- Sponsor
- Isfahan University of Medical Sciences
Biliary Stricture
Fully Covered Self-expandable Metal Stents (FCMS) in Benign Biliary Strictures
Endoscopic treatment of benign biliary strictures can be challenging. Balloon dilation and/or plastic stent placement are currently the most popular techniques.
- Trial name
- NCT02105181
- Testing
- Placement of a FCMS in the biliary tract of the patients
- Where
- France
- Volunteers
- 92 people
- Sponsor
- Société Française d'Endoscopie Digestive
Biliary Stricture, Chronic Pancreatitis
Endoscopic Treatment of Biliary Stricture Caused by Chronic Pancreatitis
Benign biliary strictures can be endoscopically treated with plastic or self-expandable metal stents (SEMS). The purpose of the prospective randomized study is to compare the safety and feasibility of covered SEMS with multiple…
- Trial name
- NCT01085747
- Where
- Finland
- Volunteers
- 60 people
- Sponsor
- Helsinki University Central Hospital
Bile Duct Stricture Not Treatable by ERC
Value of Percutaneous Cholangioscopy After Placement of a Percutaneous Transhepatic Biliary Drainage
In a prospective study the investigators perform repeated cholangioscopies in all patients that received percutaneous transhepatic biliary drainage (PTBD) for a variety of malignant and benign diseases.
- Trial name
- NCT00942630
- Where
- Germany
- Volunteers
- 40 people
- Sponsor
- Hannover Medical School
Esophageal Stricture, Caustic Esophageal Stricture
Evaluation of Topical Mitomycin C as Adjuvant Drug to Esophageal Dilation in Children
This study aims to evaluate mitomycin C as an adjunct to endoscopic treatment of esophageal strictures. This is a crossover, controlled, clinical trial in which children with esophageal stricture will be randomized in two groups…
- Conditions
- Esophageal Stricture, Caustic Esophageal Stricture, Peptic Esophageal Stricture, Post-Surgical Esophageal Stricture
- Trial name
- NCT00551824
- Testing
- Mitomycin C
- Where
- Brazil
- Volunteers
- 10 people
- Sponsor
- Federal University of São Paulo
Urethral Stricture
Role of Uttarbasti in the Management of Mutra Marga Sankoch (Urethral Stricture)
Uttarbasti is per urethral administration of medicated oil which has been recommended by Sushrut for urinary track disorders. As far as conventional surgery is concerned urethral stricture still remains a challenge due to post…
- Trial name
- NCT00535717
- Testing
- uttarbasti (per urethral administration of medicated oil )
- Volunteers
- healthy volunteers welcome
- Sponsor
- Maharashtra University of Health Sciences