The Benefits of Continued Use of Ovarian Function Suppression After 5 Years
A Multicenter, Open-label, Non-randomized Controlled Real World Study Comparing the Benefits of Continued Use of Ovarian Function Suppression After 5 Years
1 other identifier
observational
1,200
1 country
1
Brief Summary
To observe and evaluate the clinical efficacy and safety of continuous use of OFS for premenopausal patients with early breast cancer after 5 years use of OFS. This study is a multicenter, prospective, observational, non randomized controlled, open-label real world study based on hospital medical record system data, aimed at evaluating the benefits of continuing to use OFS after 5 years of use. The retrospective analysis plan includes patient data from September 1, 2023 to September 1, 2026. Join two cohorts: the continued use group and the discontinued use group after 5 years of OFS, respectively.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Sep 2023
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2023
CompletedFirst Submitted
Initial submission to the registry
September 17, 2023
CompletedFirst Posted
Study publicly available on registry
September 22, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2028
ExpectedStudy Completion
Last participant's last visit for all outcomes
September 1, 2028
March 17, 2025
October 1, 2024
5 years
September 17, 2023
March 14, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
invasive disease-free survival
The main effect evaluation index was invasive disease-free survival (iDFS)
5 years
Secondary Outcomes (1)
Overall survival
5 years
Other Outcomes (1)
Quality of life score
5 years
Study Arms (2)
OFS continues to use after 5 years
HR-positive premenopausal female patients whose doctors believe that they can benefit from continued use of OFS after 5 years should be included in the trial group.
OFS discontinues to use after 5 years
The control group did not need to continue to use OFS, either leuprolide or goserelin
Interventions
Patients included in the group continued or discontinued to use goserelin or leuprolide after 5 years use.
Enrolled patients must be HR-positive premenopausal breast cancer patients
Eligibility Criteria
Women who are diagnosed as early breast cancer and have received 5 years treatment of OFS.
You may qualify if:
- Diagnosed with early primary breast cancer
- Female aged 18-60 years (including 18 year and 60 year)
- Hormone receptor (HR) positive HER2 negative
- Receive 5 years of OFS treatment
- ECOG score 0-1
- Voluntarily join this study and sign the informed consent form;
- The researcher believes that it can benefit.
You may not qualify if:
- The patient is receiving treatment that affects OFS at the same time The patient has received OFS treatment for less than 5 years
- Central nervous system metastases with known obvious symptoms, such as headache, cerebral edema, blurred vision
- Invasive metastases with known obvious symptoms
- Invasive metastases with known obvious symptoms
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Wu Xinhong
Wuhan, Hubei, China
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Hongmei Zheng, Doctor
Study Principal Investigator
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- vice director
Study Record Dates
First Submitted
September 17, 2023
First Posted
September 22, 2023
Study Start
September 1, 2023
Primary Completion (Estimated)
September 1, 2028
Study Completion (Estimated)
September 1, 2028
Last Updated
March 17, 2025
Record last verified: 2024-10