Role of Protective Stoma After Primary Anastomosis for Generalized Peritonitis Due to Perforated Diverticulitis: a Prospective Multicenter Randomized Trial
Led by University Hospital, Rouen · Updated on 2026-06-08
204
Participants Needed
20
Research Sites
13 weeks
Total Duration
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What this Trial Is About
Researchers are evaluating two surgical methods for treating generalized peritonitis caused by perforated diverticulitis, a serious abdominal infection. This prospective, multicenter, randomized trial compares sigmoidectomy with primary anastomosis alone to sigmoidectomy with primary anastomosis plus a protective stoma. The study analyzes outcomes based on an intention-to-treat approach to determine which strategy may better manage complications and improve quality of life.
Patients will undergo sigmoidectomy via midline laparotomy or laparoscopy following standard surgical techniques. Those assigned to the control group will receive a protective stoma, which is a temporary opening to divert waste. This stoma, if placed, will be reversed at least three months after the initial surgery following imaging to ensure healing. Both groups will be followed after surgery to monitor complications and recovery.
Participants will have follow-up visits at 6, 12, and 24 weeks after surgery and a final evaluation at 12 months. During these visits, doctors will assess complications and quality of life using specific questionnaires. The trial will record morbidity, mortality, reinterventions, infections, hospital stay lengths, and survival without stoma. This comprehensive monitoring aims to gather detailed information on the effects and outcomes of the two surgical strategies.
CONDITIONS
Brief Title
Role of Protective Stoma After Primary Anastomosis for Generalized Peritonitis Due to Perforated Diverticulitis
Who Can Participate
Age: 18Years +
All Genders
Eligibility Criteria
You may qualify if you...
Age 18 years or older
Patients operated for purulent or fecal peritonitis (Hinchey grade III and IV) due to perforated diverticulitis of the left colon treated by resection with primary anastomosis
Patient informed and having signed consent or consent signed by a representative if patient is unable
Patient able to comply with the study protocol
Patient covered by social security (health insurance)
You will not qualify if you...
Physical conditions preventing participation such as septic shock or multivisceral failure
Steroid treatment greater than 20 mg daily
Prior pelvic irradiation
Immunocompromised status
Known progressive cancer
American Society of Anesthesiologists grade IV
Peritonitis secondary to perforated diverticulitis of the right colon
Pregnant, breastfeeding, or intending to become pregnant during the study
Person deprived of liberty by administrative or judicial decision or under judicial protection
Participation in another interventional research simultaneously
Failure to obtain patient or representative consent
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Your Study Journey
Screening
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Surgery and Immediate Post-operative Care
Duration - Hospital stay until discharge
Participants undergo sigmoidectomy with primary anastomosis, with or without protective stoma based on random assignment. Surgery may be performed through laparotomy or laparoscopy. Post-surgery care begins immediately after the operation.
1 visit (in-person surgery and immediate post-operative care)
Post-operative Follow-up
Duration - Up to 24 weeks after surgery
Participants are examined at 6, 12, and 24 weeks after the initial surgery to monitor complications and quality of life.
3 visits (in-person at 6, 12, and 24 weeks)
Stoma Reversal
Duration - Surgery at least 3 months after initial surgery
For participants with protective stoma, a stoma reversal surgery is performed at least 3 months after the initial surgery following a cologram to check the anastomosis.
1 visit (in-person stoma reversal surgery)
Post-stoma Closure Follow-up
Duration - Up to 12 months after initial surgery
Participants who had stoma reversal are followed up to record morbidity and mortality related to the procedure.
Visits planned after stoma closure as needed
Final Study Visit
Duration - 12 months after initial surgery
All participants complete a final evaluation at 12 months after surgery to assess overall morbidity and quality of life.
Role of protective stoma after primary anastomosis for generalized peritonitis due to perforated diverticulitis-DIVERTI 2 (a prospective multicenter randomized trial): rationale and design (nct04604730).