Percutaneous Tibial Nerve Stimulation in the Treatment of Fecal Incontinence
Status and phase
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Treatments
Study type
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Details and patient eligibility
About
Background of the study:
Fecal incontinence is a complex problem. The social consequences of this problem result in a lower quality of life. The exact prevalence of FI is unknown, literature reports vary from 13-19%. There are variable treatment options depending on the patient and the etiology of the FI. Dietary manipulation, pharmacological intervention, pelvic floor physiotherapy, as well as surgical interventions are currently used to treat FI.
A promising current treatment is Percutaneous Tibial Nerve Stimulation (PTNS). The nerves in the spine that control bowel function also have branches which go to the ankle. Stimulating these nerves in the ankle has shown to be an effective treatment for FI in the short-term. The treatment has been shown to be safe and well tolerated by subjects with almost no morbidity in prior urology trials.
Objective of the study:
The objective of this study is to show that the results of PTNS are based on the treatment of electrical stimulation and not on a placebo effect with a sham treatment.
Study design:
This study is a multicenter, single-blinded, randomized, placebo-controlled trial.
Primary study parameters/outcome of the study:
The percentage of patients experiencing a ≥ 50% decrease in incontinence episodes from baseline after 9 weeks of treatment.
Secondary study parameters/outcome of the study (if applicable):
Mean change in the Cleveland Clinic Florida Fecal Incontinence Score (CCF-FI Score)
Mean change in Quality of Life scores in validated QoL questionnaires (SF-36, Digestive Health Status Instrument (DHSI), and Fecal Incontinence Quality of life)
Subject's and Physician's Global Impression
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
- Written informed consent
- Must be at least 18 years of age
- Fecal incontinence with solid or liquid stool causing disruption of the subject's lifestyle
- Psychological stability as determined by treating physician
- Willingness to commit to a rigid follow-up schedule and comply with the investigational plan
- Failed conservative therapy (i.e. dietary and behavioural modification, biofeedback techniques and exercises for pelvic floor muscle retraining)
- During treatment the patient exhibits an adequate motor and/or sensory response (flexion of toe and/or twinkling sensation)
- Is able to read and write
Exclusion criteria
- Major internal and/or external sphincter defect (defined as >33% of the anal circumference)
- Fecal impaction
- Pacemaker, implanted defibrillator
- Pregnancy or intention to become pregnant
- Neurogenic or congenital disorders resulting in FI
- Inability to travel to the clinic twice a week
Trial design
Primary purpose
Allocation
Interventional model
Masking
59 participants in 2 patient groups
Trial contacts and locations
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Data sourced from clinicaltrials.gov
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