IRCT20200404046936N2 IRCT 2020-04-28 Shahid Beheshti University of Medical Sciences "Peritoneal closure in laparotomy" Comparison of peritoneal closure vs non-closure after non-infected elective laparotomy with midline incision 2020-04-20 anticipated 200 Complete https://irct.ir/trial/46906 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Using the random number table patients assign to the closure or non-closure groups, Blinding description: The evaluator and patient are unaware of the group the patient is enrolled in. All patients are assessed by a resident unaware of the allotted group of the patient in regard of pain intensity, need of analgesic and wound complications and the results are filled in the checklists. Six months after the surgery a known unaware radiologist will perform an abdominal sonography and the result will be registered. N/A peritoneum closure in laparatomy. Intervention 1: Intervention group: Closure group in which the peritoneum is closed with absorbable sutures and then the abdominal fascia is closed. Intervention 2: Control group: non-closure group in which at end of surgery only the abdominal fascia layer is sutured. Yes - There is a plan to make this available What will be shared: All the data of the patients participating in the study will be shared after the study. When: Data sharing will be possible 6 month after publishing the results. To whom: Researchers working in academic and scientific institutions. Conditions: In order to continue the study and increase the number of samples and develop the study. Where to obtain: Arash Mohammadi Tofigh via email address arash_mtofigh@yahoo.com How to obtain: Immediately after receiving the request, the applicant's person or institution will be examined and the requested file will be sent within a week. Comments: