Characteristics and Treatment Trends of Young Breast Cancer in China

An Study on the Trend of Change and Influencing Factors of Clinicopathologic Characteristics, Diagnosis and Treatment Pattern, and Survival Status of Young Breast Cancer in China

Status

UNKNOWN

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT05068115

Enrollment

1000

Registered

2021-10-05

Start date

2021-11-01

Completion date

2024-10-01

Last updated

2021-10-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast Cancer

Brief summary

To describe the clinical characteristics, the diagnosis and treatment, the survival status and change trend of young breast cancer patients in China from 2000 to 2015, and to explore and discuss the main influencing factors.

Detailed description

In this study, medical records and follow-up information of young breast cancer patients (age ≤35 years at first diagnosis) who were first diagnosed and treated in the years (2000, 2003, 2006, 2009, 2012 and 2015) were collected from multiple hospitals in China from 2000 to 2015, to establish a retrospective cohort of young breast cancer patients. Clinical characteristics, diagnosis and treatment, and survival rates of young breast cancer patients from 2000 to 2015 were analyzed. To explore the main factors affecting the clinical diagnosis and treatment and the survival of patients.

Interventions

PROCEDUREClinical characteristics, diagnosis and treatment, survival status

Describe the clinical characteristics, diagnosis and treatment, survival status and the trends of young breast cancer

Study design

Observational model

COHORT

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to 35 Years

Inclusion criteria

* Young Breast cancer patients (≤35 years old) in China

Exclusion criteria

* Breast cancer patients (\>35 years old) in China

Design outcomes

Primary

Measure	Time frame	Description
Clinical features and trend	Between 2000 and 2015	To describe the clinical characteristics and trends of young breast cancer patients in China
Diagnosis and treatment and trend	Between 2000 and 2015	To describe the methods of diagnosis and treatment in young breast cancer patients in China and the changing trend, to explore the main factors affecting diagnosis and treatment
Survival situation and change trend	Between 2000 and 2015	To describe the survival and change trend of young breast cancer patients in China, to explore the main factors affecting the prognosis of young breast cancer patients

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026