Byung Mo Kang1, Hyung Jin Kim2, Bong-Hyeon Kye2, Sang Chul Lee3, Kil Yeon Lee4, Sun Jin Park4, Suk-Hwan Lee5, Sang Woo Lim6, Yoon Suk Lee7, Ji Hoon Kim7, Jinkwon Lee8,9, Min Ki Kim8, Jun-Gi Kim10. 1. Department of Surgery, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon, Korea. 2. Department of Surgery, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea. 3. Department of Surgery, Daejeon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Daejeon, Korea. 4. Department of Surgery, Kyung Hee Medical Center, Kyung Hee University School of Medicine, Seoul, Korea. 5. Department of Surgery, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea. 6. Department of Surgery, Hallym Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea. 7. Department of Surgery, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Incheon, Korea. 8. Department of Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 137-701, Korea. 9. Department of Surgery, Changwon Gyeongsang National University Hospital, Gyeongsang National University, Changwon, Korea. 10. Department of Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 137-701, Korea. jgkim@catholic.ac.kr.
Abstract
BACKGROUND:Single-port laparoscopic surgery (SPLS) was recently introduced as an innovative minimally invasive surgery method. Retrospective studies have revealed the safety and feasibility of SPLS for colon cancer treatment. However, no prospective randomized trials have been performed. The multicenter, randomized SIMPLE (single-port versus multiport laparoscopic surgery) trial aimed to investigate short-term perioperative outcomes of SPLS for colon cancer treatment, compared with multiport laparoscopic surgery (MPLS). METHODS:Between August 2011 and April 2014, a total of 194 patients with colon cancer were recruited from seven hospitals in Korea. Patients were randomly allocated into the SPLS group (n = 99) or MPLS group (n = 95). The primary endpoint was postoperative complications. Operative, postoperative, and pathologic outcomes were analyzed after 50% of the patient study population had been recruited. RESULTS: The patients' demographic characteristics, operative times, estimated blood volume losses, numbers of harvested lymph nodes, and lengths of both resection margins were not significantly different between groups. In the SPLS group, the rates of conversion to MPLS and open surgery were 12.9 and 2.2%, respectively. Postoperative complications occurred in 10.8% of the SPLS, and 12.5% of the MPLS patients (p = 0.714). Times to functional recovery, pain scores, and amounts of analgesia were similar between groups. CONCLUSION: The results of this interim analysis suggested that SPLS is technically safe and appropriate when used for radical resection of colon cancer. (ClinicalTrials.gov Identifier: NCT01480128).
RCT Entities:
BACKGROUND: Single-port laparoscopic surgery (SPLS) was recently introduced as an innovative minimally invasive surgery method. Retrospective studies have revealed the safety and feasibility of SPLS for colon cancer treatment. However, no prospective randomized trials have been performed. The multicenter, randomized SIMPLE (single-port versus multiport laparoscopic surgery) trial aimed to investigate short-term perioperative outcomes of SPLS for colon cancer treatment, compared with multiport laparoscopic surgery (MPLS). METHODS: Between August 2011 and April 2014, a total of 194 patients with colon cancer were recruited from seven hospitals in Korea. Patients were randomly allocated into the SPLS group (n = 99) or MPLS group (n = 95). The primary endpoint was postoperative complications. Operative, postoperative, and pathologic outcomes were analyzed after 50% of the patient study population had been recruited. RESULTS: The patients' demographic characteristics, operative times, estimated blood volume losses, numbers of harvested lymph nodes, and lengths of both resection margins were not significantly different between groups. In the SPLS group, the rates of conversion to MPLS and open surgery were 12.9 and 2.2%, respectively. Postoperative complications occurred in 10.8% of the SPLS, and 12.5% of the MPLS patients (p = 0.714). Times to functional recovery, pain scores, and amounts of analgesia were similar between groups. CONCLUSION: The results of this interim analysis suggested that SPLS is technically safe and appropriate when used for radical resection of colon cancer. (ClinicalTrials.gov Identifier: NCT01480128).
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