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Comparison of Sentinel Lymph Node Applications in Endometrial Cancer Cases Performed With Vaginal Natural Orifice Transluminal Endoscopic Surgery (V-NOTES) and Conventional Laparoscopy (V-COSMOS)
Comparison of Sentinel Lymph Node Applications in Endometrial Cancer Cases Performed With V-NOTES and Conventional Laparoscopy: A Multicenter Prospective Observational Study
Endometrial cancer is a common cancer in women, and surgery is usually the first step in treatment. During surgery, doctors often check nearby lymph nodes to see if the cancer has spread. A newer method called sentinel lymph node (SLN) mapping allows doctors to examine only the first few lymph nodes most likely to contain cancer. This can reduce the need for removing many lymph nodes and may lower the risk of complications.
Minimally invasive surgery is commonly performed using small abdominal incisions (laparoscopy). A newer technique, called vaginal natural orifice transluminal endoscopic surgery (vNOTES), allows the surgery to be performed through the vagina without any cuts on the abdomen. This approach may lead to less pain, quicker recovery, and no visible scars.
This study will compare these two surgical methods-laparoscopy and vNOTES-in patients with early-stage endometrial cancer. Researchers will look at how safe and effective each method is, how patients recover after surgery, and how well the sentinel lymph node procedure works with each technique. The study will also examine how quickly surgeons become experienced with the newer vNOTES method.
The goal of this research is to determine whether vNOTES can be a safe and effective alternative to standard laparoscopic surgery, while offering potential benefits for patients.
Studie Overzicht
Toestand
Gedetailleerde beschrijving
Endometrial cancer is one of the most common malignancies of the female genital tract, and surgical staging constitutes the cornerstone of its management. In recent years, sentinel lymph node (SLN) mapping has been increasingly used as an alternative to systematic pelvic and paraaortic lymphadenectomy. The SLN approach reduces unnecessary extensive lymph node dissections, thereby decreasing surgical morbidity while enabling reliable assessment of lymphatic spread.
With the advancement of minimally invasive surgery, conventional laparoscopy has become widely used in the surgical management of endometrial cancer. In recent years, however, transvaginal natural orifice transluminal endoscopic surgery (vNOTES) has been increasingly adopted in gynecologic surgery due to its potential advantages, including the absence of abdominal incisions, reduced postoperative pain, faster recovery, and improved cosmetic outcomes. Nevertheless, prospective data comparing the vNOTES approach with conventional laparoscopy-particularly in terms of SLN mapping success and surgical outcomes-remain limited.
The aim of this study is to comparatively evaluate the feasibility, efficacy, safety, perioperative outcomes, and impact on survival of retroperitoneal sentinel lymph node biopsy (SLNB) performed using two different minimally invasive surgical approaches-standard conventional laparoscopy and vNOTES-in patients diagnosed with endometrial cancer that is clinically and radiologically presumed to be confined to the uterus. Another objective is to assess the learning curve of surgeons for the relatively new vNOTES technique in relation to the number of cases performed.
The primary hypothesis of the study is that SLNB performed via the vNOTES approach is a safe, effective, and feasible minimally invasive surgical alternative compared to conventional laparoscopy.
Studietype
Inschrijving (Geschat)
Contacten en locaties
Studiecontact
- Naam: Ghanim Khatib
- Telefoonnummer: +903223386060
- E-mail: ghanim.khatib@gmail.com
Studie Locaties
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Adana, Turkije (Türkiye), 01000
- Cukurova Univercity
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Bemonsteringsmethode
Studie Bevolking
Beschrijving
Inclusion Criteria:
- Age ≥18 years
- Histologically confirmed endometrial cancer on preoperative endometrial biopsy
- Disease confirmed to be confined to the uterus based on clinical evaluation and imaging
- No evidence of lymphatic or distant metastasis on positron emission tomography/computed tomography(PET/CT) or magnetic resonance imaging (MRI)
- Surgical staging with sentinel lymph node biopsy recommended by a multidisciplinary tumor board
- Surgical treatment performed using either conventional laparoscopy or the vNOTES approach
Exclusion Criteria:
- Presence of extrauterine disease
- Detection of distant metastasis
- Surgery performed via an open (laparotomy) approach
- Incomplete medical records
- History of prior pelvic radiotherapy
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
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Evaluation of Sentinel Lymph Node Detection Rates in Endometrial Cancer Cases Performed with V-NOTES and Conventional Laparoscopy
Tijdsspanne: Baseline (pre-procedure), perioperative/periprocedural period
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Baseline (pre-procedure), perioperative/periprocedural period
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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The Relationship Between Case Volume and the Learning Curve of Surgeons for Sentinel Lymph Node Procedures in Endometrial Cancer Cases Performed with V-NOTES and Conventional Laparoscopy
Tijdsspanne: Baseline (pre-procedure), perioperative/periprocedural period
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Baseline (pre-procedure), perioperative/periprocedural period
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The Impact of Sentinel Lymph Node Applications on Progression-Free Survival in Endometrial Cancer Cases Performed with V-NOTES and Conventional Laparoscopy
Tijdsspanne: up to 5 years
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The impact of sentinel lymph node applications on progression-free survival in endometrial cancer cases performed with V-NOTES and conventional laparoscopy will be evaluated over a follow-up period of 5 years.
Progression-free survival is defined as the time from surgery to the first documented disease recurrence, progression, or death from any cause.
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up to 5 years
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The Impact of Sentinel Lymph Node Applications on Overall Survival in Endometrial Cancer Cases Performed with V-NOTES and Conventional Laparoscopy
Tijdsspanne: Up to 10 years
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The impact of sentinel lymph node applications on overall survival in endometrial cancer cases performed with V-NOTES and conventional laparoscopy will be evaluated over a follow-up period of 10 years.
Overall survival is defined as the time from surgery to death from any cause.
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Up to 10 years
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Evaluation of Surgical Complications in Endometrial Cancer Cases Performed with V-NOTES and Conventional Laparoscopy
Tijdsspanne: Baseline (pre-procedure), perioperative/periprocedural period
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Baseline (pre-procedure), perioperative/periprocedural period
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Medewerkers en onderzoekers
Sponsor
Publicaties en nuttige links
Algemene publicaties
- Baekelandt J, Jespers A, Huber D, Badiglian-Filho L, Stuart A, Chuang L, Ali O, Burnett A. vNOTES retroperitoneal sentinel lymph node dissection for endometrial cancer staging: First multicenter, prospective case series. Acta Obstet Gynecol Scand. 2024 Jul;103(7):1311-1317. doi: 10.1111/aogs.14843. Epub 2024 Apr 16.
- Odgers H, Lin A, Tejada-Berges T. Comparison of laparoscopic vs. robotic sentinel lymph node mapping and biopsy in endometrial cancer. J Robot Surg. 2025 Apr 24;19(1):173. doi: 10.1007/s11701-025-02300-w.
- Nadaban M, Balint O, Secosan C, Furau AM, Olaru F, Pirtea L. V-Notes Sentinel Lymph Node Staging for Endometrial Cancer: A Systematic Review. J Clin Med. 2025 Sep 12;14(18):6451. doi: 10.3390/jcm14186451.
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Studie voltooiing (Geschat)
Studieregistratiedata
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Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
- Urogenitale ziekten
- Genitale ziekten
- Urogenitale neoplasmata
- Neoplasmata per site
- Neoplasmata
- Vrouwelijke urogenitale ziekten
- Vrouwelijke urogenitale ziekten en zwangerschapscomplicaties
- Baarmoeder Ziekten
- Genitale ziekten, vrouw
- Genitale neoplasmata, vrouwelijk
- Baarmoeder Neoplasmata
- Endometriumneoplasmata
Andere studie-ID-nummers
- 164/61
Plan Individuele Deelnemersgegevens (IPD)
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IPD delen Ondersteunend informatietype
- LEERPROTOCOOL
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