Clinical trial NCT05942209: ECO-LEAK Technique: Early Detection of Colorectal Anastomotic Leakage by Transvaginal Ultrasound
Official title: Diagnostic and Preventive Strategies for Colorectal Anastomotic Leakage in Patients With Gynecologic Tumors
Study type: OBSERVATIONAL
Overall status: UNKNOWN
Conditions: Gynecologic Cancer
Anastomotic Leak
Cytoreductive Surgery
Keywords: transvaginal ultrasound
enema
anastomotic leakage
Computed Tomography Scan (CT-SCAN)
Lead sponsor: Instituto de Investigacion Sanitaria La Fe
Sponsor class: OTHER
Collaborators: name: Clinica Universidad de Navarra, Universidad de Navarra
name: Instituto de Investigación Hospital Universitario La Paz
name: Hospital Universitario Virgen de la Arrixaca
name: Hospital Universitario 12 de Octubre
name: Imperial College London
name: Kliniken Essen-Mitte
name: Charite University, Berlin, Germany
name: Instituto Nacional de Cancerologia, Columbia
name: Hospital Britanico
name: University of the Republic, Uruguay
name: Hospital Erasto Gaertner
First posted: 2023-07-12
Enrollment: 766
Sex: FEMALE
Minimum age (years): 21
Maximum age (years): 99
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Observational model: CASE_CONTROL
Time perspective: PROSPECTIVE
Sampling method: NON_PROBABILITY_SAMPLE
Study population: Women with gynecological cancer with colorectal resection and anastomosis

Brief summary: The main hypothesis is that anastomotic leakage can be predicted peri- and postoperatively.To this end, the aim is to establish the accuracy of transvaginal ultrasound with transrectal enema (Ecoenema-TV) for the diagnosis of anastomotic leakage in patients undergoing colorectal anastomosis.

diagnosis of anastomotic leakage in patients undergoing colorectal anastomosis.

Detailed description: Cytoreductive surgery is the cornerstone of advanced ovarian cancer treatment and often requires the performance of a modified posterior pelvic exenteration (MPE) or colorectal resection (CRR), ideally followed by an end-to-end colorectal anastomosis with the goal of achieving optimal cytoreduction. One of the most challenging complications of this procedure is anastomotic leakage (AL) which is considered a life-threatening situation with a reported incidence between 1.24% and 9% in patients with ovarian cancer making any adjuvant postoperative treatment challenging and therefore having a negative impact on the overall prognosis.

In order to diagnose the presence of anastomotic leakage in female patients after colorectal anastomosis we devised this diagnostic test during the postoperative period.

The ECO-LEAK test is performed in the following sequence, after informing the patient and obtaining her consent. The patient is placed in gynaecological position/ lithotomy. Then basal transvaginal ultrasound is performed with the aim of describing the presence or absence of free fluid or other ultrasound findings (sagittal and transverse scan). Simultaneously transanal foley catheter is introduced and filled the balloon of the probe by direct visualization. Then transvaginal ultrasound with enema is performed with insertion of 180cc of serum under ultrasound vision with probe in vagina and sagittal and mid-sagittal cut. If no new free peri-anastomotic/pelvic fluid appears, the test is considered negative. If there is an appearance of pelvic free fluid (previously absent) or an increase in free fluid with respect to the baseline examination (fluid present at the beginning of the examination) peri anastomosis/pelvic, the test is considered positive.

In conclusions, anastomotic leak can occur despite a normal intraoperative anastomosis check-up. Transvaginal ultrasound associated with a transrectal enema (ECO-LEAK) performed during post operative period might represent an useful tool for anastomotic leak diagnosis. A prospective study is needed in order to determine its accuracy

Eligibility criteria: Inclusion Criteria:

* Woman sex
* Age between 21-99 years old
* Colorectal resection and anastomosis
* Anastomosis upper from 5 cm from anal verge
* Signed informed consent

Exclusion Criteria:

* No colorectal anastomosis after resection
* Ultralow colorectal anastomosis (\< 5 cm)
* Insufficient vaginal cuff for TV-US examination

Primary outcomes:
measure: To ascertain the sensitivity, specificity , positive predictive value and negative predictive value of the test to diagnose an anastomotic leak after colorectal resection during post-operative period
timeFrame: 24 months
Secondary outcomes:
Other outcomes:
Locations:
city: Valencia
country: Spain
facility: Hospital Universitari i Politecnic La Fe
Study officials:
References:
citation: Bristow RE, del Carmen MG, Kaufman HS, Montz FJ. Radical oophorectomy with primary stapled colorectal anastomosis for resection of locally advanced epithelial ovarian cancer. J Am Coll Surg. 2003 Oct;197(4):565-74. doi: 10.1016/S1072-7515(03)00478-2.
citation: Bartl T, Schwameis R, Stift A, Bachleitner-Hofmann T, Reinthaller A, Grimm C, Polterauer S. Predictive and Prognostic Implication of Bowel Resections During Primary Cytoreductive Surgery in Advanced Epithelial Ovarian Cancer. Int J Gynecol Cancer. 2018 Nov;28(9):1664-1671. doi: 10.1097/IGC.0000000000001369.
citation: Valenti G, Vitagliano A, Morotti M, Giorda G, Sopracordevole F, Sapia F, Lo Presti V, Chiofalo B, Forte S, Lo Presti L, Tozzi R. Risks factors for anastomotic leakage in advanced ovarian cancer: A systematic review and meta-analysis. Eur J Obstet Gynecol Reprod Biol. 2022 Feb;269:3-15. doi: 10.1016/j.ejogrb.2021.12.007. Epub 2021 Dec 13.
citation: Lago V, Fotopoulou C, Chiantera V, Minig L, Gil-Moreno A, Cascales-Campos PA, Jurado M, Tejerizo A, Padilla-Iserte P, Malune ME, Di Donna MC, Marina T, Sanchez-Iglesias JL, Olloqui A, Garcia-Granero A, Matute L, Fornes V, Domingo S. Risk factors for anastomotic leakage after colorectal resection in ovarian cancer surgery: A multi-centre study. Gynecol Oncol. 2019 Jun;153(3):549-554. doi: 10.1016/j.ygyno.2019.03.241. Epub 2019 Apr 3.
citation: Lago V, Segarra-Vidal B, Cappucio S, Angeles MA, Fotopoulou C, Muallem MZ, Manzanedo I, Iglesias JLS, Chacon E, Padilla-Iserte P, Fagotti A, Ferron G, Kluge L, Vargiu V, Del M, Scambia G, Minig L, Tejerizo A, Segovia MG, Cascales-Campos PA; OVA-LEAK Collaborative Group; Hervas D, Domingo S. OVA-LEAK: Prognostic score for colo-rectal anastomotic leakage in patients undergoing ovarian cancer surgery. Gynecol Oncol. 2022 Oct;167(1):22-27. doi: 10.1016/j.ygyno.2022.08.004. Epub 2022 Sep 2.