Metronomic Chemotherapy in a Real-world Population of Advanced Breast Cancer Patients

April 16, 2024 updated by: wang shusen, Sun Yat-sen University

The goal of this observational study is to learn about the effects of metronomic chemotherapy in advanced breast cancer patients. The main question it aims to answer is:

How effective is metronomic chemotherapy in advanced breast cancer? Specific benefit groups of metronomic chemotherapy.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Actual)

597

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

  • China
    • Gangdong
      • Guangzhou, Gangdong, China
        • Shusen Wang

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

Advanced breast cancer taking metronomic chemotherapy

Description

Inclusion Criteria:

  1. Females, >18 years old;
  2. Diagnosed with advanced breast cancer when using metronomic chemotherapy;
  3. At least one clinical evaluation, including physical examination and imaging, according to the instructions of the supervising physician during the use of metronomic chemotherapy. Examinations include ultrasound, computed tomography, and magnetic resonance imaging;
  4. Metronomic chemotherapy can be used alone, and patients who use it in combination with other drugs can also be included;
  5. The clinical pathological information that needs to be collected is complete.

Exclusion Criteria:

  1. Taking the drug for less than 2 weeks;
  2. losing follow-up after taking the therapy;
  3. The patient's breast cancer was still in the early stage when taking the therapy.

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
metronomic chemotherapy
Patients with advanced breast cancer who received metronomic chemotherapy.
Drug: cyclophosphamide , methotrexate , vinorelbine ,capecitabine
The drugs used in metronomic chemotherapy are cyclophosphamide (CTX), methotrexate (M), vinorelbine (VNR), and capecitabine

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Progression free survival
Time Frame: Baseline up to approximately 20 months
Time from randomization to the first documentation of objective tumor progression or to death due to any cause without documented progression
Baseline up to approximately 20 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Overall Survival
Time Frame: Baseline until death (up to approximately 40 months)
Time from randomization to date of death due to any cause
Baseline until death (up to approximately 40 months)
Objective Response Rate
Time Frame: Baseline up to approximately 20 months
Objective response is defined as a complete response (CR) or partial response (PR) according to RECIST v.1.1. recorded from randomization until disease progression or death due to any cause.
Baseline up to approximately 20 months
Disease Control Rate
Time Frame: Baseline up to approximately 20 months
Disease control is defined as complete response (CR), partial response (PR), or stable disease (SD) >24 weeks according to the RECIST version 1.1 recorded in the time period between randomization and disease progression or death to any cause.
Baseline up to approximately 20 months

Collaborators and Investigators

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

Sponsor

Sun Yat-sen University

Investigators

  • Principal Investigator: Shusen Wang, MD, Sun Yat-sen University

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, 2023

Primary Completion (Actual)

January 1, 2024

Study Completion (Actual)

January 1, 2024

Study Registration Dates

First Submitted

April 16, 2024

First Submitted That Met QC Criteria

April 16, 2024

First Posted (Actual)

April 18, 2024

Study Record Updates

Last Update Posted (Actual)

April 18, 2024

Last Update Submitted That Met QC Criteria

April 16, 2024

Last Verified

April 1, 2024

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • SYSU-022

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

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.

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