A Study Comparing the Differences Between Young and Non-young Breast Cancer
1 other identifier
observational
3,000
1 country
1
Brief Summary
To collect data on diagnosis, treatment, survival prognosis, and intrinsic molecular detection of breast cancer in China from January 2000 to December 2024.Compare the difference between young and non-young breast cancer.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Jan 2025
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
January 1, 2025
CompletedFirst Submitted
Initial submission to the registry
January 18, 2025
CompletedFirst Posted
Study publicly available on registry
January 27, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 1, 2030
ExpectedStudy Completion
Last participant's last visit for all outcomes
January 1, 2030
February 14, 2025
January 1, 2025
5 years
January 18, 2025
February 13, 2025
Conditions
Outcome Measures
Primary Outcomes (1)
Overall survival rate
10-year
Secondary Outcomes (1)
invasive disease-free survival rate
10-year
Study Arms (1)
Breast cancer
Interventions
Breast cancer patients were divided into young breast cancer and non-young breast cancer by age 35
To observe and compare the difference in diagnosis, combined treatment and prognosis between young and non-young breast cancer
Eligibility Criteria
During the period from January 2000 to December 2024, the first breast cancer diagnosed and treated in several hospitals in China was in the age range of 18-75 years. Young patients with breast cancer were defined as ≤35 years old, and non-young patients were defined as patients over 35 years old.
You may qualify if:
- During the period from January 2000 to December 2024, the first breast cancer diagnosed and treated in several hospitals in China was in the age range of 18-75 years.
You may not qualify if:
- Breast cancer patients under 18 years of age or over 75 years of age; Combined with other malignant tumors; Patients with chronic infectious diseases or chronic infectious diseases; Patients with severe comorbidities, with serious dysfunction of vital organs (heart, liver, kidney); Known history of human immunodeficiency virus; The investigator concluded that patients should not be included in other conditions of this trial.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Cancer Hospital, Chinese Academy of Medical Sciences
Beijing, China
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- RETROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Head of department
Study Record Dates
First Submitted
January 18, 2025
First Posted
January 27, 2025
Study Start
January 1, 2025
Primary Completion (Estimated)
January 1, 2030
Study Completion (Estimated)
January 1, 2030
Last Updated
February 14, 2025
Record last verified: 2025-01
Data Sharing
- IPD Sharing
- Will not share