Efficacy/Safety of Midurethral Sling

Status Recruiting

Clinical Trial Summary

The trans-obturator tape (TOT), which exhibits a satisfactory cure rate and a relatively diminished invasiveness, has been increasingly accepted as a surgical treatment of stress urinary incontinence (SUI) patients. Nevertheless, in contrast to the well-recognized therapeutic benefit of the enhanced resistance to the bladder continence during urine storage, if the voiding function of the bladder adapts to the TOT-enhanced outlet resistance has not been adequately investigated. This study retrospectively assayed the voiding efficacy of each voiding cycle, to clarify if the thermodynamic efficacy of the bladder was modified in response to the TOT surgery.

Clinical Trial Description

The urodynamic study included free uroflowmetry, postvoid residual, filling and voiding cystometry, and a urethral pressure profile. The filling cystometry and urethral pressure profile were performed with 37 degrees C normal saline similar to body temperature at an infusion rate of 80 ml/min. All patients received a pre- and a post-operative urodynamic evaluation, in which pre-operative evaluation was conducted 1-4 weeks before TOT procedure, and post-operative evaluation was done at 4-6 weeks follow-up. Complete multichannel urodynamic studies including free uroflowmetry, filling and voiding cystometry, and urethral pressure profile was performed in each patient. The urodynamic parameters measured were the maximum flow rate (Qmax), voided volume, post-void residual volume (PVR), and detrusor pressure at Qmax (Pdet. Qmax). The filling cystometry and urethral pressure profile were performed with 37 degrees C normal saline at an infusion rate of 80 ml/min. All data were recorded and analyzed using a Medical Measurement Systems (MMS UD-200, Enschede, The Netherlands). All data in this study will be expressed as mean ± SEM. After checking the normality and variance of data, two-way ANOVAs were used to assess the difference in values among testing groups and time points; and post hoc Student-Newman-Keuls tests were used to compare the means of groups when there was a significant difference between groups. Significance was set at p<0.05. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05255289
Study type	Interventional
Source	Mackay Medical College
Contact	Hui-Hsuan Lau, M.D.
Phone	+886-975-835928
Email	huihsuan1220@gmail.com
Status	Recruiting
Phase	N/A
Start date	March 8, 2021
Completion date	March 2026

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.