About this trial
The purpose of this research is to better understand constipation and improve biofeedback treatments.
Eligibility criteria
Qualifiers
Men and women aged 18-80 years who are able and willing to provide written informed consent and to comply with the requirements for the entire study
Satisfy Rome III criteria for functional constipation and/or irritable bowel syndrome as assessed by questionnaires and objective evidence of dyssynergic defecation on anorectal testing
Disqualifiers
Clinical evidence of significant cardiovascular, respiratory, renal, hepatic, gastrointestinal, hematological, neurological, psychiatric or other diseases that may interfere with the objectives of the study and/or pose safety concerns.
History of total, hemi- or subtotal colectomy at any time or other abdominal operations within 60 days prior to entry into the study. Segmental resection of the colon (e.g. sigmoid resection) for diverticulitis will be permitted.
Current anal fissure
Clinically significant structural abnormalities (eg, rectocele > 4cm, large enterocele, full thickness rectal prolapse) that, in the opinion of the investigator, are likely contributing to symptoms
Trial design
Treatments tested in this trial
- Biofeedback
- Inspiratory muscle training (IMT)