Staging Endometrial caNcer Based on molEcular ClAssification

  • STATUS
    Recruiting
  • participants needed
    1032
  • sponsor
    Clinica Universidad de Navarra, Universidad de Navarra
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Updated on 1 February 2023
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Summary

The SENECA study tries to evaluate the rate of lymph node involvement depending on the molecular subgroup in early-stage endometrial cancer (I/II) patients undergoing surgery as part of their treatment.

Description

The management of endometrial cancer (EC) is currently undergoing a true revolution in terms of diagnosis and treatment. Since 2013 and thanks to the TCGA project1 (The Cancer Genome Atlas), four distinct molecular subgroups (POLE, MMR-D, Copy number low, Copy number high) with distinct prognostic implications were identified.

Subsequently, PROMISE study2 brought this "new era" closer to daily clinical practice. These new findings led ESGO3 (European Society of Gynecologic Oncology) to decide to integrate this molecular classification into the definition of the different risk groups.

Currently, thanks to the retrospective analysis of the PORTEC-3 cohort4,5, we know that these four molecular subgroups may present differences in survival in high-risk patients depending on the type of treatment proposed, chemoradiotherapy vs. adjuvant radiotherapy. This question will be answered by the RAINBO trial6 (Refining Adjuvant treatment IN endometrial cancer Based On molecular profile).

On the other hand, the surgical management of early endometrial cancer (stage I/II) has been changing for some years now, especially with regard to nodal staging, from modulation of treatment depending on the risk group (pelvic lymphadenectomy +/- sentinel lymph node (SLN) for low and intermediate risk groups vs. aortopelvic lymphadenectomy +/- SLN for those at high risk) to a generalization of treatment based on detailed study of the sentinel node following the algorithm described by the group of Abu-Rustum NR et al7.

Just as the RAINBO study will try to clarify the type of adjuvant treatment necessary for each molecular subgroup, we do not currently know if it could be possible to tailor the type of lymph node staging in early EC (the most common and most frequent in our daily clinical practice) depending on the molecular subgroup8,9.

We therefore propose a study to evaluate the lymph node involvement rate depending on the molecular subgroup in early-stage EC (I/II).

Details
Condition Endometrial Cancer, Lymph Node Metastasis, Sentinel Lymph Node
Age 18years or above
Clinical Study IdentifierNCT05707312
SponsorClinica Universidad de Navarra, Universidad de Navarra
Last Modified on1 February 2023

Eligibility

 Yes No Not Sure

Inclusion Criteria

Patient was operated during 2021-2022
Histological confirmation of Endometrial Cancer with endometrioid histology or high risk histology (serous, clear cell, carcinosarcoma and mixed histologies)
Preoperative FIGO stage I or II by MRI or US
Preoperative CT-Scan or PET-CT without evidence of local or distant disease (could be omitted in low-risk and intermediate risk endometrial carcinoma with low grade histology)
Surgical protocol according to ESGO/ESTRO/ESP guidelines
A detailed sentinel lymph node study protocol must be accredited, either by ultra-staging or OSNA
Molecular analysis performed on the pathology specimen according to ESGO/ESTRO/ESP guidelines (POLE mutation analysis could be omitted in low-risk and intermediate risk endometrial carcinoma with low grade histology)

Exclusion Criteria

Pregnant women
Previous hysterectomy
Previous pelvic/para-aortic lymphadenectomy
Presence of extra-uterine disease (peritoneal, visceral or suspicious lymph node metastasis)
Past medical history of any invasive tumor
History of previous abdominal or pelvic radiotherapy of any type (including braquitherapy)
History of preoperative neoadjuvant chemotherapy
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