Sacral neuromodulation for refractory ulcerative colitis: safety and efficacy in a prospective observational series of eight patients.

"Declarations Conflict of interestThe authors declare that they have no disclosure in relation to this study. Medtronic provided medical devices for sacral neuromodulation. The study design, data management, and statistical analysis were provided by academic funding from Nantes Hospital University Department of research. GM reports grants and non-financial support from Medtronic. Ethical approvalThe study protocol was validated by the local Ethics committee (n°16/08-1006). All procedures performed in the study were in accordance with the Helsinki declaration. Informed consentInformed consent was obtained from all individual participants included in the study. Conflict of interest The authors declare that they have no disclosure in relation to this study. Medtronic provided medical devices for sacral neuromodulation. The study design, data management, and statistical analysis were provided by academic funding from Nantes Hospital University Department of research. GM reports grants and non-financial support from Medtronic."

"Funding Open access funding provided by University of Geneva."