A Phase Ⅲ Randomized Clinical Trial of Postmastectomy Hypofractionation Radiotherapy in High-risk Breast Cancer

October 9, 2018 updated by: Shu lian Wang, Cancer Institute and Hospital, Chinese Academy of Medical Sciences
The purpose of this study is to compare the efficacy and toxicities of hypofractionation radiotherapy with conventional fractionation radiotherapy in breast cancer patients treated with mastectomy.It is hypothesized that the efficacy and toxicities are similar between the two groups.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Eligible breast cancer patients with mastectomy and axillary dissection are randomized into 2 groups:conventional fractionation radiotherapy of 50 Gy in 25 fractions within 5 weeks to ipsilateral chest wall and supraclavicular nodal region,and hypofractionation radiotherapy of 43.5Gy in 15 fractions within 3 weeks to the same region.

During and after radiotherapy, the patients are followed and the efficacy and toxicities of radiotherapy are evaluated.

Study Type

Interventional

Enrollment (Actual)

810

Phase

  • Phase 3

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
      • Beijing, China, 100021
        • 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

18 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  • Ipsilateral histologically confirmed invasive breast cancer
  • Undergone total mastectomy and axillary dissection
  • T3-4,or >=4 positive axillary lymph nodes
  • Fit for chemotherapy(if indicated),endocrine therapy(if indicated)and postoperative irradiation
  • Written,informed consent
  • cT3-4,or cN2, or pathological positive axillary lymph nodes during mastectomy for patients who had received neoadjuvant chemotherapy or hormone therapy
  • no supraclavicular or internal mammary nodes metastases
  • no distant metastases
  • enrollment date no more than 8 months after surgery or no more than 2 months after chemotherapy for patients who didn't receive neoadjuvant systemic therapy.
  • enrollment date no more than 2 months after surgery for patients who had received neoadjuvant systemic therapy and didn't need adjuvant chemotherapy.

Exclusion Criteria:

  • Patients who undergone previous irradiation to the ipsilateral chest wall and supraclavicular region
  • Previous or concurrent malignant other than non-melanomatous skin cancer
  • Unable or unwilling to give informed consent
  • bilateral breast cancer
  • immediate or delayed ipsilateral breast cancer reconstruction

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

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: hypofractionation radiotherapy
breast cancer women with mastectomy high-risk: T3-4 and/or 4 or more axillary nodes involvement postmastectomy hypofractionation radiotherapy of 43.5Gy/15f/3w to the chest wall and supraclavicular nodal region
Radiation: hypofractionation radiotherapy
radiotherapy of 43.5Gy/15f/3w to the chest wall and supraclavicular nodal region
Other Names:
  • radiotherapy
Active Comparator: conventional fractionation radiotherapy
breast cancer women with mastectomy high-risk with T3-4 and/or 4 or more axillary nodes postmastectomy conventional fractionation radiotherapy of 50Gy/25f/5w to the chest wall and supraclavicular nodal region
Radiation: conventional fractionation radiotherapy
50Gy/25/f/5w
Other Names:
  • radiotherapy

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
locoregional control rate
Time Frame: 5 years
ipsilateral chest wall, axilla, supraclavicular and internal mammary nodal relapse
5 years

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
overall survival
Time Frame: 5 years
any death
5 years

Collaborators and Investigators

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

Sponsor

Cancer Institute and Hospital, Chinese Academy of Medical Sciences

Investigators

  • Principal Investigator: Shu-lian Wang, M.D., Cancer Institute and Hospital, Chinese Academy of Medical Sciences
  • Study Chair: Ye-xiong Li, M.D., Cancer Institute and Hospital, Chinese Academy of Medical Sciences

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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

June 1, 2008

Primary Completion (Actual)

May 1, 2016

Study Completion (Actual)

September 1, 2018

Study Registration Dates

First Submitted

November 17, 2008

First Submitted That Met QC Criteria

November 17, 2008

First Posted (Estimate)

November 19, 2008

Study Record Updates

Last Update Posted (Actual)

October 11, 2018

Last Update Submitted That Met QC Criteria

October 9, 2018

Last Verified

October 1, 2018

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • LC2008A06

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 hypofractionation radiotherapy

Search Similar Trials

Sponsors and Collaborators

Medical Conditions

Drug Interventions

CROs by country

CROs in Costa Rica

Conditions

Rare Diseases

Drug Interventions

Dietary Supplements

Sponsor/Collaborators

Locations

3
Subscribe