A Study Comparing the Differences Between Young and Non-young Breast Cancer

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.

Study Overview

Status

Enrolling by invitation

Conditions

Study Type

Observational

Enrollment (Estimated)

3000

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Beijing, China
        • Cancer Hospital, Chinese Academy of Medical Sciences

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

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.

Description

Inclusion 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.

Exclusion Criteria:

  • 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.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Breast cancer
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

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Overall survival rate
Time Frame: 10-year
10-year

Secondary Outcome Measures

Outcome Measure
Time Frame
invasive disease-free survival rate
Time Frame: 10-year
10-year

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 1, 2025

Primary Completion (Estimated)

January 1, 2030

Study Completion (Estimated)

January 1, 2030

Study Registration Dates

First Submitted

January 18, 2025

First Submitted That Met QC Criteria

January 23, 2025

First Posted (Actual)

March 25, 2025

Study Record Updates

Last Update Posted (Actual)

March 25, 2025

Last Update Submitted That Met QC Criteria

February 13, 2025

Last Verified

January 1, 2025

More Information

Terms related to this study

Other Study ID Numbers

  • NCC5093

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Clinical Trials on Breast Cancer

Clinical Trials on Age

Subscribe