- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05670574
Surgery With Extended (D3) Mesenterectomy for Small Bowel Tumors
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Cancer of the small intestine is rare. Consensus practice on surgical technique have been difficult to reach, both on lymph node dissection level and on strategic choices according to tumor localization and -type. Evidence is strong for systematic and radical lymphadenectomy for neuroendocrine tumors (NET) and adenocarcinomas. This study includes a series of prospective and consecutive patients operated with central (D3) lymphadenectomy. Key points are preoperative mapping of vascular anatomy to facilitate personalized surgery with radical lymphadenectomy to the mesenterial root, both anterior and posterior to the superior mesenteric vessels. Three different surgical techniques (plus one subgroup) are used, and will be reported on, according to tumor localization and -type. Complications, perioperative morbidity and mortality, operating time and length of hospital stay will be noted, as well as tumor types, number of tumors, mesenteric mass size, resection types and margins, and the anatomical distribution of tumors. Patient outcome during 2- and 5-year follow up will be reported. We will investigate the accuracy of the preoperative vascular anatomy reconstructions and eventual procedure-specific complications. Still, the main outcome measures are the lymph node yield: number of lymph nodes gained in the D2 and D3 areas.
Patients are included in the study "Safe extended (D3) mesenterectomy for small bowel tumors" - REK number 19898. Patients are given an informed consent formula. Inclusion criteria are patients with small bowel tumor(s) of probable or confirmed neoplastic nature capable of consent and without general inoperability properties. The ENETS Neuroendocrine Tumor Centre of Excellence at Oslo University Hospital approves and recommends surgery for patients with NET. All patients shall have their mesenterial vascular anatomy reconstructed in 3D preoperatively, for both arteries and veins. The reconstruction is made by manual segmentation based on biphasic CT scans of their abdomens.
The surgical-oncological aim is the same for both open and minimally invasive access surgery: an intact and continuous specimen with tumor and mesentery in one piece including unbroken and correct anatomical tissue planes. We define the D3 volume to include all lipolymphatic tissue anterior and posterior to the superior mesenteric vessels limited by arterial and venous branches to and from the tumor-bearing segment of bowel. Dissection is made along the blood vessels cranially and caudally. Mesenteric nodal masses and fibrosis and desmoplasia are carefully dissected from the underlying blood vessels to be saved by exposing and dividing the vessel sheets
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Dejan Ignjatovic, MD PhD
- Phone Number: +4767969895
- Email: dejan.ignjatovic@ahus.no
Study Contact Backup
- Name: Erik Kjæstad, MD
- Phone Number: +4767964435
- Email: erik.kjaestad@ahus.no
Study Locations
-
-
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Lorenskog, Norway, 1478
- Recruiting
- Akershus University Hospital
-
Contact:
- Dejan Ignjatovic, MD, PhD
- Email: dexexer01@hotmail.com
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients included must be able to fill in an informed, written consent and to understand its implications and contents and to participate in the follow-up
- Radiologically/scintigraphically/histologically verified extraduodenal tumor(-s) in the small bowel and/or in the mesentery of the small bowel
- No signs of inoperability
- Fit for general anesthetics
Exclusion Criteria:
- Extraduodenal small bowel tumors verified as GIST or benign tumor
- Widespread lymphoma
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Number of lymph nodes in total in D2 and D3 areas
Time Frame: 1 month
|
1 month
|
Number of positive lymph nodes in D2 and D3 areas
Time Frame: 1 month
|
1 month
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
30-day mortality
Time Frame: 30 days
|
30 days
|
Complications
Time Frame: 30 days
|
30 days
|
Peroperative blood loss
Time Frame: 30 days
|
30 days
|
Hospitalization time
Time Frame: 1-90 days
|
1-90 days
|
Operation time
Time Frame: Intraoperative
|
Intraoperative
|
Tumor type
Time Frame: 30 days
|
30 days
|
Presence and size of mesenteric mass
Time Frame: 30 days
|
30 days
|
Resection type and -margins
Time Frame: 30 days
|
30 days
|
2-year follow-up
Time Frame: 2 years
|
2 years
|
5-year follow-up
Time Frame: 5 years
|
5 years
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Dejan Ignjatovic, MD PhD, University Hospital, Akershus
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Pathologic Processes
- Neoplasms by Histologic Type
- Adenocarcinoma
- Carcinoma
- Neoplasms, Glandular and Epithelial
- Neuroectodermal Tumors
- Neoplasms, Germ Cell and Embryonal
- Neoplasms, Nerve Tissue
- Neoplastic Processes
- Neuroendocrine Tumors
- Neoplasms
- Neoplasm Metastasis
- Lymphatic Metastasis
- Neoplasms, Second Primary
- Carcinoid Tumor
Other Study ID Numbers
- 2016/1286
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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