Patients with oral bowel preparation with MBP+OA showed a decrease in postoperative paralytic ileus requiring prokinetic medication or nasogastric tube placement, but which also did not reach significant levels (10.9% vs 17.4%; p = 0.26; OR 0.538, 95% CI 0.215–1.350). The gene discussed is MBP; the disease is Paralytic ileus.