Oncologic Outcomes and Toxicities of Salvage Treatment in Patients With Locoregionally Recurrent Breast Cancer (SALT-LRR)

June 27, 2025 updated by: Haeyoung Kim, Samsung Medical Center

A Prospective Registry Study to Evaluate Oncologic Outcomes and Toxicities of Salvage Treatment in Patients With Locoregionally Recurrent Breast Cancer

The purpose of this study is to evaluate clinical outcomes and adverse events of salvage treatment for locoregional recurrence of breast cancer.

The main questions it aims to answer are:

  • Clinical outcomes after salvage treatment for locoregional recurrence
  • Adverse events and quality of life after salvage treatment for locoregional recurrence
  • Patient characteristics and treatment specifics which are related to the clinical outcomes and/or adverse events
  • Molecular signature associated with treatment resistance

Participants will be assessed by multi-dimensional methods during and after radiation therapy:

  • Assessment for the disease status (disease-free or recurrence) including physical and radiologic examination
  • Assessment for the adverse events according to CTCAE version 5.0
  • Assessment for the molecular signature using residual tissue after pathologic diagnosis
  • Assessment for the quality of life using questionnaires (BREAST-Q)

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Estimated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
190

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

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Breast cancer patients who underwent standard treatment for initial breast cancer and experienced locoregional recurrence without distant metastasis which is eligible for salvage treatment can be enrolled for this study.

Description

Inclusion Criteria:

  • Female patients with age 18 to 100.
  • Previous standard definitive treatment for initial breast cancer
  • Locoregional recurrence without distant metastasis
  • Planned salvage treatment for locoregional recurrence
  • Informed consent of the participant

Exclusion Criteria:

- Not anticipated for complying 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

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Salvage treatment after locoregional recurrence
Participants who previously completed standard treatment for breast cancer and experienced locoregional recurrence alone will be undergo salvage treatment including surgery and/or radiation therapy.
Other: Salvage treatment (surgery and/or radiation therapy)
Appropriate salvage treatment (surgery and/or radiation therapy) will be selected by the treating clinicians considering the disease status.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Progression-free survival
Time Frame: 5 years from the initiation of the salvage therapy
The event for progression-free survival was defined as any disease progression or breast cancer-related death.
5 years from the initiation of the salvage therapy
Rate of adverse events
Time Frame: 5 years from the initiation of the salvage therapy
Adverse events related to the salvage therapy will be reported and incidence rate will be calculated.
5 years from the initiation of the salvage therapy

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Locoregional failure rate
Time Frame: 5 years from the initiation of the salvage therapy
The event for locoregional failure rate was defined as recurrence in breast / chest wall or regional lymph node area.
5 years from the initiation of the salvage therapy
Cancer-specific survival
Time Frame: 5 years from the initiation of the salvage therapy
The event for cancer-specific survival was defined as death of the participant related to the breast cancer.
5 years from the initiation of the salvage therapy
Quality of life (BREAST-Q)
Time Frame: 5 years from the initiation of the salvage therapy
Quality of life of the participants will be evaluated according to the BREAST-Q™ questionnaires. Higher Q-Score indicates better quality of life.
5 years from the initiation of the salvage therapy
Breast cosmesis
Time Frame: 5 years from the initiation of the salvage therapy
Cosmesis of the breast will be evaluated according to Harvard/National Surgical Adjuvant Breast and Bowel Project (NSABP)/Radiation Therapy Oncology Group (RTOG) Breast Cosmesis grading scale. This is a 4-point scale (Excellent, Good, Fair, and Poor), and evaluated by the clinicians.
5 years from the initiation of the salvage therapy

Collaborators and Investigators

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

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Samsung Medical Center

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • 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)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
July 4, 2023

Primary Completion (Estimated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
July 1, 2028

Study Completion (Estimated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
July 1, 2033

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
June 27, 2023

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 27, 2023

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
July 6, 2023

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
June 29, 2025

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 27, 2025

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
June 1, 2025

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 2023-05-023

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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