Constipation slow-transit constipation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - An average defecation frequency (DF) of
Exclusion criteria
Exclusion criteria: * Obstructed outlet syndrome (objectified by defeacography) * Irritable bowel syndrome (Rome-IV criteria for irritable bowel syndrome) * Congenital or organic bowel pathology * Rectal prolapse * Anatomical limitations preventing placement of an electrode * Skin and perineal disease with risk of infection * Previous large bowel/rectal surgery * Stoma * Coexisting neurological disease * Significant psychological co-morbidity as assessed subjectively by the investigator * Being or attempting to become pregnant during study follow-up
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The main outcome is treatment success. Patients with an average defecation frequency (DF) of *3 a week are considered successfully treated. Patients with an average DF of | — |
Secondary
| Measure | Time frame |
|---|---|
| * Proportion of patients with a 50% reduction in the proportion of defecations with straining, derived from the defecation diary. * Proportion of patients with a 50% reduction in the proportion of defecations with a sense of incomplete evacuation, derived from the defecation diary * Constipation severity, displayed with the score from the Wexner constipation score (WCS). * Fatigue, displayed with the score from the *Verkorte vermoeidheidsvragenlijst* (VVV) * Constipation-specific (health-related) quality of life ((HR)QOL), displayed with the score from the Patient Assessment of Constipation * Quality of Life (PAC-QOL) questionnaire. * Generic (HR)QOL, measured with the EQ-5D-5L, the ICECAP-A (adults) and the KIDSCREEN-27 (adolescents) * Adverse events/complications, reported by the clinician in a case report form (CRF) * Resource use/costs from a societal and health care perspective * Cost-effectiveness from a societal and health care perspective * Budget-impact from a societal, health care and health care insurance perspective | — |
Countries
Netherlands