SAME day amBulatory c (SAMBA): a multicenter, prospective, randomized clinical trial protocol
Abstract
Background: A recent meta-analysis concluded that outpatient appendectomy appears feasible and safe, but there is a lack of high-quality evidence and a randomized trial is needed. The aim of this trial is to demonstrate that outpatient appendectomy is non-inferior to conventional inpatient appendectomy in terms of overall morbi-mortality on the 30th postoperative day (D30).
Methods: SAMBA is a prospective, randomized, controlled, multicenter non-inferiority trial. We will include 1400 patients admitted to 15 French hospitals between January 2023 and June 2025. Inclusion criteria are patients aged between 15 and 74 years presenting acute uncomplicated appendicitis suitable to be operated by laparoscopy. Patients will be randomized to receive outpatient care (day-surgery) or conventional inpatient care with overnight hospitalization in the surgery department. The primary outcome is postoperative morbi-mortality at D30. Secondary outcomes include time from diagnosis to appendectomy, length of total hospital stay, re-hospitalization, interventional radiology, re-interventions until D30, conversion from outpatient to inpatient, and quality of life and patient satisfaction using validated questionnaires.
Discussion: The SAMBA trial tests the hypothesis that outpatient surgery (i.e., without an overnight hospital stay) of uncomplicated acute appendicitis is a feasible and reliable procedure in establishments with a technical platform able to support this management strategy.
Trial…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 1,400 participants or records.
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