Clinical trial Recruiting at 1 site Interventional Ages 18 to 70 Women only

Assessing surgery options for early ovarian cancer

Official title: A Prospective Randomized Multicentre Trial for Lymphadenectomy in Early-stage Ovarian Cancer

Run by Sun Yat-sen University · NCT04710797 · Data updated 2026-11-12

This study is testing two different types of surgery for women with early ovarian cancer to see which one helps them live longer and feel better.

Quick facts

Study typeInterventional
Ages18 Years to 70 Years
SexWomen only
Enrollment656 (estimated)
SponsorSun Yat-sen University
Academic / other
Drugs / interventionschemotherapy
Locations1 site (Guangzhou, Guangdong)
StatusRecruiting
StartedJanuary 31, 2021
Main results expectedDecember 31, 2025
Study endsDecember 31, 2028
Registry record updatedJanuary 15, 2021
Trial IDNCT04710797 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are women aged 18 to 70 with a primary diagnosis of FIGO stage IA-IIA epithelial ovarian cancer who have not received prior treatment.

Probably not a fit

Patients with non-epithelial ovarian malignancies, suspicious lymph nodes, or secondary invasive neoplasms may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study evaluates the effects of two surgical approaches in women with early-stage epithelial ovarian cancer. Participants will be randomly assigned to either undergo comprehensive staging surgery without lymphadenectomy or complete staging surgery that includes systematic pelvic and para-aortic lymphadenectomy. The goal is to compare the efficacy and safety of these approaches in terms of survival and quality of life. Patients will receive follow-up care every three months for the first two years and then every six months thereafter.

Why it matters

Potential benefit: If successful, this study could help determine the best surgical approach to improve survival and quality of life for patients with early-stage ovarian cancer.

How similar studies have gone: While there have been studies on lymphadenectomy in various cancers, this specific approach in early ovarian cancer is relatively novel and has not been extensively tested.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Women aged 18 years to 70 years.
2. Primary diagnosis of epithelial ovarian cancer FIGO stage IA-IIA ( recevive no prior treatment or receive incomplete initial surgery),with indications of adjuvant chemotherapy:①High-grade serous carcinoma; ②Grade 3 endometrioid carcinoma; ③Clear cell carcinoma; ④Grade 2 endometrioid carcinoma with capsule ruptured or pelvic tissues extension ⑤Low-grade serous carcinoma、Grade 1 endometrioid carcinoma and Mucinous carcinoma of the ovary with pelvic tissues extension.
3. Patients who have given their signed and written informed consent.
4. Good performance status (ECOG 0/1).

Exclusion Criteria:

1. Non epithelial ovarian malignancies and borderline tumors.
2. Suspicious lymph nodes at preoperative radiological evaluation.
3. Intraoperative clinically suspicious lymph nodes (bulky nodes).
4. Secondary invasive neoplasms in the last 5 years (except synchronal endometrial carcinoma FIGO IA G1/2, non melanoma skin cancer, breast cancer T1 N0 M0 G1/2) or with any signs of relapse or activity.
5. Prior chemotherapy for ovarian cancer or abdominal/pelvic radiotherapy.
6. Diseases of the lymph system (including lymph edema of unknown origin).
7. Prior retroperitoneal lymph node dissection (systematic or sampling).
8. Any other concurrent medical conditions contraindicating surgery.
9. Pregnancy.
10. Any reasons interfering with giving of informed consent , abiding by protocol, or regular follow-up.

Where it's running

  • Department of Gynecologic Oncology, Sun Yat-sen University Cancer Center
    Guangzhou, Guangdong, China
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.