| Urethral stricture | UA002 | A pilot study to determine the efficacy and safety of recurrence inhibition of drug infusion through a Euroall catheter in patients with urethral stricture scheduled for endoscopic urethrotomy | 10 | Inje University Haeundae Baek Hospital | Korea Research Foundation |
| UA003 | A Multicenter, Randomized, Single-blind, Investigator Clinical Trial to Evaluate Satisfaction With the Use of a Deep Body Fenestrated Sheath Using a Eurool Catheter for the Prevention of Urethral Stricture After Transurethral Bladder Tumor Resection | 200 | Seoul Asan Medical Center and 5 organizations | Science and Technology Ministry of Information and Communication |
| Urethral stricture | UA004 | A study of the effect of periodic lidocaine gel infusion with Eurol solution on the relief of postoperative catheterization-induced urethral pain in patients undergoing transurethral bladder cancer resection: a randomized open comparative study | 100 | Seoul National University Boramae Hospital | Gimhae Life Center |
| UA005 | To study the effectiveness of periodic lidocaine gel infusion with Eurol solution according to surgical method in male patients undergoing surgery to remove urolithiasis: Ureteroscopic surgery vs percutaneous nephrolithotripsy | 100 | Seoul National University Boramae Hospital | Gimhae Jiangsu Special Zone |
| UA006 | 3-way-catheterization in patients who have undergone surgery to remove urolithiasis. Study examines pain control effects of periodic lidocaine gel injections | 232 | Inje University Haeundae Baek Hospital | Gimhae Life Center |
| UA007 | In patients who underwent robotic surgery, the 3-way-catheterized Study Investigates the Effectiveness of Periodic Lidocaine Gel Infusions in Controlling Catheter-Related Pain | 180 | Inje University Haeundae Baek Hospital | Gimhae Jiangsu Special Zone |
