The purpose of this research study is to learn more about the safety and performance of SNS when used in patients who have Crohn’s disease or left-sided ulcerative colitis. The InterStim™ Neurostimulator (InterStim) will be used in every participant who agrees to participate and meets all the eligibility criteria for the research study. Approximately 5 people with Crohn’s disease and 5 people with left-sided ulcerative colitis in the United States will take part in this research study for a total of 10 people. You may receive a stipend for completing a study required colonoscopy or sigmoidoscopy with biopsy that is not part of the standard of care treatment. You can expect to receive the following: ● Crohn’s disease participants o $375 for a complete colonoscopy and biopsy ● Left-sided ulcerative colitis participants o $150 for a complete flexible sigmoidoscopy and biopsy You may receive reimbursement for your travel related costs for the procedure/office visits and a stipend for your time completing each telemedicine visit. ● Travel reimbursement up to $50 ● $25 for each fully completed telemedicine visit

You may be eligible for this study if you meet the following criteria:

• Conditions: Crohn’s disease,ulcerative colitis
• Age: 18 years - 75 years
• Gender: All