
The observation that patients with acute uncomplicated appendicitis (AUA) can be cured with antibiotics-alone has a scientific rationale. If non-inferiority is not established, results may help to delineate the trade-offs between the two treatment approaches and inform decision-making.

If non-inferiority is demonstrated (or superiority of the antibiotics approach identified), that finding will improve patient choice and should support a shift to the less invasive approach.
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A large-scale non-inferiority trial is expected to result in a change in the management of one of the most common human illnesses.

The investigators believe that patients, clinicians, and the people who pay for healthcare (both patients and insurers) will find the antibiotics approach acceptable if 1) it results in high rates of treatment success, 2) does not increase complications, and 3) provides an equivalent or better patient experience. The Comparison of Outcomes of Antibiotic Drugs and Appendectomy (CODA) trial aims to test, if from a patient's perspective, the antibiotics strategy is "just as good as" surgery.
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Condition or diseaseĭrug: Cefoxitin, Ertapenem, Moxifloxacin, Tigecycline, Ticarcillin-Clavulanic Acid Metronidazole plus Cefazolin, Cefuroxime, Ceftriaxone, Cefotaxime, Ciprofloxacin, or Levofloxacin Procedure: Appendectomy The Patient-Centered Outcomes Research Institute (PCORI)-funded Comparison of Outcomes of Drugs and Appendectomy (CODA) trial will be the first American, and largest-ever randomized trial of the issue and its results should help surgeons and patients make more informed healthcare decisions. Despite these results, it remains to be determined if the antibiotic strategy is as good as an appendectomy for the outcomes that most patients care about.

Recent studies from Europe have challenged the notion that surgery is the best option, showing that antibiotics alone can treat appendicitis without a need for appendectomy in as many as 3 out of 4 patients and without safety issues for up to one year of follow up.
