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NCT Number: NCT06677112

MCC-24-GYN-11: Comparison of Nodal Sampling in Endometrial Cancer

This study aims to estimate the recurrence-free survival rates in women with endometrial cancer treated with selective versus sentinel node surgical staging. This study will gather information to help determine the best way to evaluate lymph nodes during surgery for endometrial cancer.

Recruiting

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Key information

Age range

18 year and older

Sex eligibility

Female

Study type

Interventional

Phase

Not applicable

Primary location

University of Kentucky

Lexington, Kentucky, 40506, United States

Location status: Recruiting

Location contact

Rachel Miller, M.D.

CONTACT

[email protected]

859-323-2169

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Surgical candidate for complete hysterectomy and bilateral salpingooophorectomy with pelvic and aortic lymphadenectomy
  • Histologically or cytologically confirmed carcinoma of the endometrium confined to the uterine corpus
  • No clinical evidence of extra-uterine disease on pre-operative evaluation. Preoperative evaluation to rule-out extra-uterine disease may include a CT scan, MRI or ultrasound. Note: preoperative imaging is not mandatory for study enrollment.
  • Prior systemic chemotherapy is allowed so long as it was at least five years prior to study enrollment, and there is no evidence of disease after such therapy.

Neoadjuvant chemotherapy for this endometrial cancer is not allowed.

  • Life expectancy (estimated survival) of at least 6 months.
  • AST(SGOT)/ALT(SGPT) < 3.0X upper limit of normal
  • Ability to understand and the willingness to sign a written informed consent document

Exclusion criteria

  • GOG Performance Status greater than 2 (Appendix II)
  • Uterine sarcoma
  • Clinical evidence of disease that extends beyond the uterus, including the presence of suspicious aortic or inguinal nodes on imaging or clinical exam
  • Previous vaginal, pelvic or abdominal irradiation
  • Chemotherapy or immunotherapy directed at the present disease
  • Previous pelvic lymphadenectomy or retroperitoneal surgery
  • Patients with a prior or concurrent malignancy whose natural history or treatment has the potential to interfere with the safety or efficacy assessment of the investigational regimen should be excluded
  • Known allergy to iodine or indocyanine green (ICG) tracer, or allergic reactions to compounds of similar chemical or biologic composition
  • Patients with uncontrolled intercurrent illness
  • Patients with psychiatric illness/social situations that would limit compliance with study requirements
  • Pregnant or lactating women. Women of child-bearing potential will be excluded if they have a positive serum/urine pregnancy test

Treatment and study plan

Selective surgical staging

Procedure

Intraoperative Consultation, performed by pathologist and surgeon jointly. The uterus is inspected for extra-corpus spread (cervix, parametria, adnexa, distant). The surgical pathologist will evaluate the uterus according to the IOC Worksheet and promptly notify the surgeon of the results. The IOC will include evaluation for extra-corpus disease, lesion measurement, frozen section (to confirm measured lesion is malignant, cell type, and re-grading of tumor). Non-sentinel nodes will be handled according to institutional standard-of-care practice.

REFLEX

Procedure

The surgeon will perform a side-specific lymphadenectomy when there is no mapping on a hemipelvis (no tracer uptake in nodes). If neither side has successful Sentinel Node mapping, the surgeon performs a complete pelvic lymphadenectomy. Surgeons will remove the para-aortic lymph nodes at their discretion.

Primary outcomes

  1. Recurrence free survival

    Time frame: up to 5 years

    Participants with no measurable disease from study entry until disease recurrence, death, or date of the last contact

Secondary outcomes

  1. Concordance between selective surgical staging and final pathology Incidence

    Time frame: 5 years

    Percentage of participants for whom selective surgical staging and final pathology match

  2. Progression-free survival

    Time frame: up to 5 years

    period from study entry until disease progression, death, or date of the last contact

  3. Disease-specific Survival

    Time frame: up to 5 years

    period from study entry until death from the disease (endometrial cancer)

  4. Overall patient survival rate

    Time frame: 5 years

    period from study entry until death from any cause

Other outcomes

  1. Location patterns of nodal involvement associated with staging procedures

    Time frame: 5 years

  2. Location patterns of nodal involvement associated with disease stage

    Time frame: 5 years

  3. Patterns of nodal involvement associated with histological characteristics

    Time frame: 5 years

Study contacts

Contact information is provided by the study sponsor or research team.

Rachel Miller

CONTACT

[email protected]

859-323-2169

Sponsors and collaborators

Lead sponsor

Rachel Miller

Other

Registry information

Official study title

Randomized Phase 3 Study of SELECTIVE SURGICAL STAGING Versus REFLEX Lymphadenectomy in Non-mappers Undergoing Sentinel Lymph Node Sampling for the Treatment of Endometrial Cancer

Important dates

Study start
2025
Primary completion
2030
Study completion
2030
First posted
Nov 6, 2024
Registry last updated
Nov 13, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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