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L'essai clinique NCT06204497 pour Néoplasmes Rectaux est en recrutement. Consultez la vue en carte du Radar des Essais Cliniques et les outils de découverte par IA pour tous les détails, ou posez vos questions ici.
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The Safety and Efficiency of Stent-based Diverting Technique Versus Ileostomy in Rectal Cancer Patients

En recrutement
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L'étude clinique NCT06204497 est un essai interventionnel pour Néoplasmes Rectaux. Son statut actuel est : en recrutement. L'étude a débuté le 31 janvier 2024 et vise à recruter 570 participants. Dirigé par Sir Run Run Shaw Hospital, l'essai devrait être terminé d'ici le 1 juin 2025. Les données du site ClinicalTrials.gov ont été mises à jour pour la dernière fois le 12 janvier 2024.
Résumé succinct
The goal of this clinical trial is to evaluate the safety and efficiency of stent-based tiverting technique (SDT) versus ileostomy in rectal cancer patients. After the removal of the rectal tumor, participants who are at high risk for anastomotic leakage will either undergo SDT or ileostomies. Researchers will compare SDT to see if SDT could help patients save hospital stays, lower medical costs, and enhance their quality of life, and not alternatively avoid defunction stoma.
Description détaillée
In patients with rectal cancer who have a high risk of anastomotic leakage, we aim to compare the safety and effectiveness of SDT versus ileostomy in this study. The primary endpoint of the study was severe complications that occurred within 90 days of the surgery. The secondary endpoints included total complications, the incidence of coloanal anastomotic leakage (Grade B/C), postoperative hospital stay and cost, and postoperative quality of life evaluation.
Titre officiel

The Safety and Efficiency of Stent-based Diverting Technique Versus Ileostomy in Rectal Cancer Patients: A Prospective, Multicenter, Open-label, Non-inferiority, Randomized Controlled Study

Conditions
Néoplasmes Rectaux
Publications
Articles scientifiques et travaux de recherche publiés sur cet essai clinique:
Autres identifiants de l'essai
  • SRRSH.SDT
Numéro NCT
Date de début (réel)
2024-01-31
Dernière mise à jour publiée
2024-01-12
Date de fin (estimée)
2025-06
Inscription (estimée)
570
Type d'essai
Interventionnel
PHASE
N/A
Statut
En recrutement
Mots clés
Stent-based diverting technique
Ileostomy
Complication
Anastomotic leakage
Objectif principal
Traitement
Plan d'attribution
Randomisé
Modèle d'intervention
Parallèle
Masquage
Simple aveugle
Bras / Interventions
Groupe de participants/BrasIntervention/Traitement
ExpérimentalStent-based Diverting Technique
For Stent-based Diverting Technique, the small intestine measuring 15 cm from the ileocecal junction was pulled out through the median incision in the lower abdomen. After a length-wise incision was established in the mesenteric margin of the small intestine, the degradable stent was implanted, and the intestine was sutured. Then, the stent was held in place using an external tie around the bowel. Next, a mushroom-like tube (28 Fr) was placed into the intestine proximal (5-10 cm) to the aforementioned stent. The other side of the mushroom-like tube was inserted through the right lower abdominal wall and connected with a drainage bag. An abdominal drainage tube, or an anal tube, if necessary, was inserted in the proper location prior to the closure of the incision and the abdominal cavity. Abdominal X-ray was routinely performed every week to detect stent degradation, and the mushroom-like tube (28 Fr) was removed two days after stent degradation.
Stent-based Diverting Technique
The stent-based diverting technique (SDT) contains two parts to achieve feces diversion One is a degradable solid intestinal stent to be implanted 20 cm from the terminal ileum and could be gradually degraded within 3-4 weeks. Another part is a drainage tube to be placed at the proximal 5-10 cm of the aforementioned stent. Given this SDT, intestinal contents could be diverted through the drainage tube, and the stent prevents the feces from entering the distal intestinal. After removing the drainage tube after 3-4 weeks, intestinal contents will freely access the distal intestinal space following the degradation of the stent. For patients, stoma reversal is avoided.
Comparateur actifIleostomy
There will be an ileostomy for the control group. An incision with a diameter of 2 cm will be performed in the lower abdomen, and layers will be separated into the abdominal cavity. The intestine, 20cm to the ileocecal juction under laparoscopic vision, will be pulled out. The anterior sheath of the rectus abdominis and the serous layer of the intestine will be sutured with an absorbable line. Then, the middle point of the mesangial margin of the intestine will be transected, and the intestine will be fixed on the skin. No volvulus or angular formation of the intestine should be confirmed laparoscopically.
Stent-based Diverting Technique
The stent-based diverting technique (SDT) contains two parts to achieve feces diversion One is a degradable solid intestinal stent to be implanted 20 cm from the terminal ileum and could be gradually degraded within 3-4 weeks. Another part is a drainage tube to be placed at the proximal 5-10 cm of the aforementioned stent. Given this SDT, intestinal contents could be diverted through the drainage tube, and the stent prevents the feces from entering the distal intestinal. After removing the drainage tube after 3-4 weeks, intestinal contents will freely access the distal intestinal space following the degradation of the stent. For patients, stoma reversal is avoided.
Critère principal d'évaluation
Critères d'évaluationDescription de critèresPériode
Incidence of severe complications within 90-day
Clavein-Dindo≥III
Study group, from SDT to postoperative 90 days, Control group, from ileostomy to postoperative 90 days of reversal of stoma.
Critère secondaire d'évaluation
Critères d'évaluationDescription de critèresPériode
Total complications
Clavein-Dindo I to V
Study group, from SDT to postoperative 90 days; Control group, from ileostomy, plus interval time before stoma reversal, to postoperative 90 days of reversal of stoma
Clinical anastomotic leakage
Grade B or Grade C
Study group, from SDT to postoperative 90 days; Control group, from ileostomy, plus interval time before stoma reversal, to postoperative 90 days of reversal of stoma
Postoperative hospital stay
Postoperative hospital stay after SDT or ileostomy or reversal of stoma
Study group, from SDT to discharge, and adding second postoperative hospital stay if the patient received the ileostomy. Control group, from ileostomy to discharge and from stoma reversal to discharge,up to six months for both group
Total medical Costs
Including medical costs, surgery costs and other costs
From first admission to end of follow-up or date of death from any cause, whichever came first, assessed up to six months for both group
Quality of life evaluation
SF-8 scale
Study group, 90 days after SDT; Control group, 90 days after ileostomy
Critères d'éligibilité

Âges éligibles
Adulte, Adulte âgé
Âge minimum
18 Years
Sexes éligibles
Tous
  1. Rectal adenocarcinoma confirmed pathologically.
  2. Rectal cancer patients with high-risk of anastomotic leakage(AL).
  3. Age from over 18 to under 80 years.
  4. Performance status of 0/1 on ECOG (Eastern Cooperative Oncology Group) scale.
  5. ASA (American Society of Anesthesiology) score class I, II, or III.
  6. Written informed consent.

Definition of high-risk of AL (one of them):

  1. Preoperative body mass index (BMI) ≥30 kg/m2;
  2. Long-term use of glucocorticoids before surgery (≥2 weeks);
  3. Poor general condition: Preoperative serum albumin was less than 30.0g/L after supportive treatment; or Preoperative renal replacement therapy (blood purification/hemodialysis) is required; or diabetes;
  4. Preoperative neoadjuvant radiotherapy;
  5. Distance between tumor and anal anus (baseline MRI) ≤7cm
  6. The number of stapler used to cut the rectum during the operation ≥3; or the defect of anastomosis is observed; or Intraoperative leak test was positive.

  1. History of previous rectectomy, except endoscopic mucosal resection or endoscopic submucosal dissection.
  2. Familial Adenomatosis Polyposis Coli (FAP), Hereditary Non-Polyposis Colorectal Cancer (HNPCC), active Crohn's disease or active colitis ulcerosa.
  3. History of unstable angina, myocardial infarction, cerebrovascular accident within the past six months.
  4. Groups who are particularly vulnerable include those who suffer from mental disease, cognitive impairment, severe illness, adolescents, illiterates, women during pregnancy or breast-feeding, etc.
  5. Patients with severe complications who do not tolerate surgery or need emergency surgery due to complication (bleeding, obstruction or perforation)
  6. Unable ot radical resection, or underwent Miles or Hartmann or TaTME procedure, or requirement of simultaneous surgery for other disease (except the gallblader or appendix due to benign lesion).
Sir Run Run Shaw Hospital logoSir Run Run Shaw Hospital
Partie responsable de l'essai
Xiujun Cai, Investigateur principal, Director, Head of General Surgery, Principal Investigator, Clinical Professor, Sir Run Run Shaw Hospital
Contact central de l'essai
Contact: Yifan Tong, PhD, +86-571-13732207321, [email protected]
Contact: Lingfei Li, bachelor, +86-571-13588708122, [email protected]
20 Centres de l'essai dans 1 pays

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