Prospective Observational Study on Outcome of High-precision Hypo-fractionated Radiotherapy in Metastatic Breast Cancer (PRECISE-M)

June 27, 2025 updated by: Haeyoung Kim, Samsung Medical Center
This study is a prospective observational study on outcomes of high precision hypo-fractionated radiotherapy in breast cancer with distant metastasis.

Study Overview

Study Type

Observational

Enrollment (Estimated)

400

Contacts and Locations

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

Study Contact

Study Contact Backup

Study Locations

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

Women treated with hypofractionated RT using IMRT, SBRT, or proton therapy for metastatic breast cancer

Description

Inclusion Criteria:

  • histologically confirmed breast cancer
  • presence of distant metastasis
  • radiation therapy using IMRT, SBRT, or proton therapy is done or planned
  • Able and willing to comply with the study protocol

Exclusion Criteria:

  • unable to adhere to the study protocol

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

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Local control rate
Time Frame: 1-year
LC after radiation therapy
1-year

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Overall survival rate
Time Frame: 1-year
1-year
Disease-free survival
Time Frame: 1-year
disease-free survival rate after the time of RT
1-year
Treatment-related toxicities
Time Frame: 1-year
Acute and chronic radiation toxicities according to CTCAE v5.0
1-year

Collaborators and Investigators

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

Investigators

  • Principal Investigator: Haeyoung Kim, Samsung Medical Center

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)

May 11, 2023

Primary Completion (Estimated)

December 31, 2028

Study Completion (Estimated)

December 31, 2033

Study Registration Dates

First Submitted

June 8, 2023

First Submitted That Met QC Criteria

June 8, 2023

First Posted (Actual)

June 18, 2023

Study Record Updates

Last Update Posted (Actual)

June 29, 2025

Last Update Submitted That Met QC Criteria

June 27, 2025

Last Verified

June 1, 2025

More Information

Terms related to this study

Other Study ID Numbers

  • 2023-04-032-003

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.

Clinical Trials on Breast Cancer

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