This is the Scientific Surgery Archive, which contains all randomized clinical trials in surgery that have been identified by searching the top 50 English language medical journal issues since January 1998. Compiled by Jonothan J. Earnshaw, former Editor-in-Chief, BJS

Randomised clinical trial of synbiotic therapy in elective surgical patients. Gut 2004; 53: 241-245.

Published: 1st January 2004

Authors: Anderson ADG, McNaught CE, Jain PK, MacFie J

Conclusion

Synbiotic bacteria were given for two weeks preoperatively in this trial that included 137 procedures. The bacteria had no measurable effect on gut barrier function and the rate of septic complications was similar: 32 per cent symbiotic bacteria vs. 31 per cent in controls, p=0.882.

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Effect of a deep learning-based system on the miss rate of gastric neoplasms during upper gastrointestinal endoscopy: a single-centre, tandem, randomised controlled trial. Lancet Gastro Hepatol 2021; 6: 700-708.

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Short-term outcomes of robotic gastrectomy vs laparoscopic gastrectomy for patients with gastric cancer. A randomized clinical trial. JAMA Surg 2021; 156: 954-963.

Authors: Ojima T, Nakamura M, Hayata K, Kitadani J, Katsuda M, Takeuchi A et al.

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Long-term efficacy of neoadjuvant chemoradiotherapy plus surgery for the treatment of locally advanced esophageal squamous cell carcinoma. The NEOCRTEC5010 randomized clinical trial. JAMA Surg 2021; 156: 721-729.

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Intrathoracic vs cervical anastomosis after totally or hybrid minimally invasive esophagectomy for esophageal cancer. A randomized clinical trial. JAMA Surg 2021; 156: 601-610.

Authors: Van Workum F, Verstegen MHP, Klarenbeek BR, Bouwense SAW, van Berge Henegouwen MI, Daams F et al.

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IMPPACT (Intravenous Monotherapy for Postoperative Perforated Appendicitis in Children Trial). Randomized clinical trial of monotherapy versus multi-drug antibiotic therapy. Ann Surg 2021; 274: 406-410.

Authors: Lee J, Garvey EM, Bundrant N, Hargis-Villanueva A, Kang P, Osuchukwu O et al.

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Morbidity and mortality of patients who underwent minimally invasive esophagectomy after neoadjuvant chemo-radiotherapy vs neoadjuvant chemotherapy for locally advanced esophageal squamous cell carcinoma. A randomized clinical trial. JAMA Surg 2021; 156: 444-451.

Authors: Wang H, Tang H, Fang Y, Tan L, Yin J, Shen Y et al.

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A randomized clinical trial evaluating the efficacy and quality of life of antibiotic-only treatment of acute uncomplicated appendicitis. Results of the COMMA Trial. Ann Surg 2021; 274: 240-247.

Authors: O’Leary DP, Walsh SM, Bolger J, Baban C, Humphreys H, O’Grady S et al.

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Five-year survival outcomes of hybrid minimally invasive esophagectomy in esophageal cancer. Results of the MIRO Randomized Clinical Trial. JAMA Surg 2021; 156: 323-332.

Authors: Nuytens F, Dabakuyo-Yonli TS, Meunier B, Gagnière J, Collet D, D’Journo XB et al.

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Palliative radiotherapy after oesophageal cancer stenting (ROCS): a multicentre, open-label, phase 3 randomised controlled trial. Lancet Gastroenterol Hepatol 2021; 6: 292-303.

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Effect of laparoscopic sleeve gastrectomy vs Roux-en-Y gastric bypass on weight loss and quality of life at 7 Years in patients with morbid obesity. The SLEEVEPASS randomized clinical trial. JAMA Surg 2021; 156: 137-146.

Authors: Gronroos S, Helmio M, Juuti A, Tiusanen R, Hurme S, Loyttyniemi E et al.

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Extensive peritoneal lavage with saline after curative gastrectomy for gastric cancer (EXPEL): a multicentre randomised controlled trial. Lancet Gastro Hepatol 2021; 6: 120-127.

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Assessment of robotic versus laparoscopic distal gastrectomy for gastric cancer. A randomized controlled trial. Ann Surg 2021; 273: 858-867.

Authors: Lu J, Zheng C-H, Xu B-B, Xie J-W, Wang J-B, Lin J-X et al.