| Not Yet Recruiting | REDUCER Trial (TXA in Urethroplasty) NCT07501884 | Amjad Alwaal, MD, MSc, FRCSC, FACS | Phase 4 |
| Not Yet Recruiting | A Comparative Study of the Antibacterial Effects of Two Preoperative Hair Removal Methods in Male Patients Wit NCT07508566 | Second Affiliated Hospital, School of Medicine, Zhejiang University | N/A |
| Recruiting | Safety and Feasibility Study of Autologous Engineered Urethral Constructs for the Treatment of Strictures NCT03258658 | Wake Forest University Health Sciences | Phase 1 |
| Recruiting | Urethral Resistive Index (URI): A New Parameter for Diagnosing Urethral Obstruction NCT07403786 | Ankara City Hospital Bilkent | — |
| Not Yet Recruiting | The Impact of Age and Sex on Anticipated and Experienced Pain in First-Time Outpatient Flexible Cystoscopy NCT07375641 | Kayseri Education and Research Hospital | — |
| Recruiting | Risk of Recurrent Urethral Stricture After Treatment With Paclitaxel-Coated Dilatation Balloon (Optilume) Comp NCT06795074 | Vastra Gotaland Region | Phase 4 |
| Not Yet Recruiting | Treatment of Bulbar Urethral Strictures With Optilume Drug-Coated Balloons in an Untreated Population NCT06827210 | Aalborg University Hospital | N/A |
| Recruiting | Penile Skin Versus Buccal Mucosal Graft in Augmentation Urethroplasty for Long Anterior Urethral Stricture NCT07074717 | Tanta University | N/A |
| Completed | Effectiveness of Intermittent Bladder Catheterization (IBC) in Reducing Recurrence of Urethral Stricture NCT06064968 | University of Health Sciences Lahore | N/A |
| Recruiting | Urethral Stricture Database NCT06362083 | Medical University of Graz | — |
| Withdrawn | Mobile Health Application to Improve Patient Satisfaction After Urethroplasty NCT06384066 | Northwestern University | N/A |
| Unknown | The Accuracy of Pulsed Fluoroscopy Retrograde Urethrogram Vs the Traditional Retrograde Urethrogram In Diagnos NCT05519566 | Northern Ontario School of Medicine | N/A |
| Recruiting | Bioengineered Collagen Implant for Urethral Stricture Repair NCT05463991 | Regenosca SA | N/A |
| Unknown | The Nanofat Regenerative Surgery for Management of Genital Lichen Sclerosus in Male and Female Patients NCT05464290 | University of Roma La Sapienza | N/A |
| Recruiting | Optilume PoST AppRoval Clinical Evaluation of Andrology ParaMeters NCT05383274 | Urotronic Inc. | Phase 4 |
| Completed | Intralesional Injection of Mitomycin C Following Visual Internal Urethrotomy for Recurrent Urethral Stricture NCT06232005 | Ain Shams University | Phase 2 / Phase 3 |
| Unknown | Nanofat Grafting in Male and Female Subjects Affected by Urethral Strictures NCT05451732 | University of Roma La Sapienza | N/A |
| Unknown | Feasibility and Therapeutic Potential of Free Fat Grafts in the Treatment of Urethral Strictures NCT04161365 | Hannes Kortekangas | N/A |
| Recruiting | Multi-stage Urethroplasty with Augmentation Using a Dorsal Graft Inlay Technique Comparing Graft Use in First NCT04965025 | University Hospital, Ghent | N/A |
| Completed | Factors Predicting Urethral Stricture Recurrence After Dorsal Onlay Augmented, Buccal Mucosal Graft Urethropla NCT04357080 | Al-Azhar University | — |
| Completed | Holmium Laser Uretherotomy in Combination With Intralesional Steroids in Bulbar Uretheral Stricture NCT05078788 | Ain Shams University | N/A |
| Completed | Clostridium Histolyticum Collagenase Injection for Urethral Disease NCT02948842 | University of South Florida | Phase 2 |
| Completed | Post-Operative Imaging After Urethroplasty With Peri-catheter Retrograde Urethrography Or Trial of Voiding Wit NCT04307537 | University Hospital, Ghent | Phase 2 |
| Recruiting | 9000 URETHRA STUDY: a Study About Urethroplasty for Urethral Stricture Disease NCT04071925 | University Hospital, Ghent | — |
| Withdrawn | Re-Establishing Flow Via Drug Coated Balloon for the Treatment of Urethral Stricture Disease - Registry Study NCT03851952 | Urotronic Inc. | N/A |
| Completed | Efficacy of Opioid-limiting Pain Management Protocol in Men Undergoing Urethroplasty NCT03859024 | University of Alabama at Birmingham | Phase 4 |
| Completed | VeSpAR: Comparing Vessel-Sparing Anastomotic Repair and Transecting Anastomotic Repair in Isolated Short Bulba NCT03572348 | University Hospital, Ghent | N/A |
| Active Not Recruiting | ROBUST III- Re-Establishing Flow Via Drug Coated Balloon For The Treatment Of Urethral Stricture Disease NCT03499964 | Urotronic Inc. | N/A |
| Completed | Re-establishing Flow Via Drug Coated Balloon For The Treatment Of Urethral Stricture Disease NCT03270384 | Urotronic Inc. | N/A |
| Unknown | Tissue-engineered Construct Based on Buccal Mucosa Cells and Matrix From Collagen and Polylactoglycolide Fiber NCT03205670 | I.M. Sechenov First Moscow State Medical University | EARLY_Phase 1 |
| Unknown | Liquid Buccal Mucosa Graft Urethroplasty NCT03061344 | State University of New York - Upstate Medical University | Phase 1 |
| Completed | Urethral Stricture: A Comparison Between Jugal or Labial Graft Urethroplasty NCT03973619 | Hospital de Clinicas de Porto Alegre | N/A |
| Terminated | A Study of Dorsal Versus Ventral Buccal Mucosa Graft Onlay for Bulbar Urethroplasty NCT02634619 | University of California, San Francisco | N/A |
| Completed | Scandinavian Urethroplasty Study NCT02321670 | Oslo University Hospital | N/A |
| Terminated | Dorsal vs. Ventral Buccal Graft Dorsal vs. Ventral Buccal Graft NCT02551783 | University of Minnesota | N/A |
| Completed | Liposomal Bupivacaine To Control Post-Operative Pain Following BMG NCT03720223 | Urology of Virginia | Phase 3 |
| Completed | Functional Outcome of Urethral Reconstructive Surgery NCT01982136 | Universitaire Ziekenhuizen KU Leuven | — |
| Unknown | Effect of Mitomycin C on Urethral Stricture Recurrence After Internal Urethrotomy NCT00918528 | Hillel Yaffe Medical Center | Phase 1 / Phase 2 |
| Completed | Memokath® 044TW Stent for Treatment of Urethral Stricture NCT00270504 | Pnn Medical DK | Phase 3 |
| Completed | Role of Uttarbasti in the Management of Mutra Marga Sankoch (Urethral Stricture) NCT00535717 | Maharashtra University of Health Sciences | Phase 2 |