Synthetic Versus Autologous Sling For Stress Incontinence
SASSI
1 other identifier
interventional
232
1 country
1
Brief Summary
This is a multi-centre randomized controlled trial comparing mid-urethral synthetic mesh sling or tension-free vaginal tape (TVT) and autologous fascia sling (AFS) in elderly patients with stress predominant urinary incontinence. The investigators aim to investigate new onset pelvic pain 6 months post-op and objective urinary incontinence cure rate 5 years post-op. Secondary objectives include investigation of opioid use, mental health, sexual health, and other post-op outcomes.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Jan 2026
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 26, 2025
CompletedFirst Posted
Study publicly available on registry
December 11, 2025
CompletedStudy Start
First participant enrolled
January 12, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2032
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 1, 2032
January 16, 2026
December 1, 2025
6.4 years
November 26, 2025
January 14, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Objective urinary incontinence status measured by standing cough test
Unit of measure: proportion of participants Measurement tool: standing cough test positive, yes/no
5 years post-op
Incidence of new-onset chronic abdominopelvic pain since surgery by Likert pain intensity scale
Proportion of participants who report new abdominopelvic pain with an average intensity greater than 3 on a 0-10 Likert pain intensity scale over the past 6 months
6 months post-op
Study Arms (2)
tension-free vaginal tape
ACTIVE COMPARATORautologous fascia sling
ACTIVE COMPARATORInterventions
Participants will receive autologous fascia sling as surgery for stress predominant urinary incontinence.
Participants will receive tension-free vaginal tape as surgery for stress predominant urinary incontinence.
Eligibility Criteria
You may qualify if:
- Adult females at birth (female anatomy, any gender)
- Greater than or equal to 60 years old
- Have stress predominant urinary incontinence (spUI) eligible for both types of surgery (tension-free vaginal tape and autologous fascia sling)
- Exhausted conservative management options for UI (Kegel's exercises, physiotherapy, pessary)
- Completed childbearing
- Able to follow up with clinic visits for up to five years after surgery
You may not qualify if:
- Clinical Frailty Score of 6 or more, as moderate frailty is likely associated with excessive postoperative deterioration
- Concurrent pelvic surgery
- Neurogenic bladder
- Previous UI surgery
- Previous pelvic radiation
- Previous mesh exposure
- Presence of pelvic pain for more than three months in the last five years
- Likely unable to follow up
- Immunocompromised individuals receiving immunosuppressive medications for at least 3 months
- Chronic systemic steroid use for at least 3 months for autoimmune diseases
- Unable to stop smoking for at least 3 months prior to surgery and at high risk of restart smoking post-operatively
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
St. Paul's Hospital
Vancouver, British Columbia, V6Z 1Y6, Canada
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate Professor
Study Record Dates
First Submitted
November 26, 2025
First Posted
December 11, 2025
Study Start
January 12, 2026
Primary Completion (Estimated)
June 1, 2032
Study Completion (Estimated)
December 1, 2032
Last Updated
January 16, 2026
Record last verified: 2025-12