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EXPERT : A Randomised Phase III Trial of Adjuvant Radiation Therapy Versus Observation Following Breast Conserving Surgery and Endocrine Therapy in Patients With Molecularly Characterised Luminal A Early Breast Cancer

Female<br/>OnlyGender Female
Only

RecruitingStatus Recruiting

Radiotherapy<br/>TrialTypeRadiotherapy
Trial

ThreePhase Three

50+Age Over 50

Breast<br/>CancersCancer LocationBreast
Cancers

Radiotherapy | BreastBreast

Trial Overview Read MoreRead more

This phase III trial is examining personalised radiation therapy for low-risk early breast cancer.
 

This trial is treating patients with Breast Cancer (HER2-).

This is a radiotherapy trial.

You may be able to join this trial if:

  • You have had a certain type of treatment or surgical procedure.
  • Your cancer has not spread to other parts of the body.

You may be excluded from this trial if:

  • You have a certain disease or psychological condition.
  • You have been diagnosed with a prior or secondary type of cancer.
  • You have had certain treatments, surgical procedures or drugs.

Clinical trials have complex eligibility criteria - talk to your doctor about your interest in this trial.

Clinical Summary Read MoreRead more

Trial Identifiers

Use the hyperlinks, where available to access additional clinical trial information.

Scientific Title

A Randomised Phase III Trial of Adjuvant Radiation Therapy Versus Observation Following Breast Conserving Surgery and Endocrine Therapy in Patients With Molecularly Characterised Luminal A Early Breast Cancer

Cooperative Group

Breast Cancer Trials, Australia and New Zealand

Summary

Radiation therapy (RT) after breast conserving surgery to improve local control and survival is the current standard of care for patients with early breast cancer. However, breast cancer is a heterogeneous disease, and the absolute benefit of RT in individual patients varies substantially. Thus, a pressing priority in contemporary breast cancer management is to tailor RT utilisation to the individual recurrence risks by identifying patients who are unlikely to benefit from RT, thereby avoiding the morbidity and costs of over-treatment. It is recognised that selected patients with early breast cancer are unlikely to derive benefits from RT after breast conserving surgery. However, randomised trials have not consistently identified patients who may safely omit RT using conventional clinical-pathologic characteristics. Breast cancer intrinsic subtypes distinguished by gene expression profiling are shown to be associated with distinct clinical outcomes. There is substantial evidence supporting the clinical validity of multigene assays including the PAM50-based Prosigna Assay that identifies intrinsic subtypes and generates a Risk of Recurrence score (ROR) to quantify individual risks of distant relapse. Multigene assays are increasingly integrated into clinical practice to inform chemotherapy decision, highlighting their substantial practice changing potential in personalising the use of RT for early breast cancer. A recent analysis of archived tumour specimens of 1,308 patients with early breast cancer has shown significant associations between local recurrence risk and the PAM50-defined intrinsic subtypes and ROR score. EXPERT presents a unique opportunity of clinical and public health importance to optimise personalised local therapy for early breast cancer through precise, individualised quantification of local recurrence risk to identify low-risk patients for whom RT after breast conserving surgery may be safely omitted.

Recruiting Hospitals Read MoreRead more

Box Hill Hospital, Breast Oncology
Box Hill
Ms Karen Lim
karen.lim@monash.edu
03 9094 9564

Barwon Health, University Hospital Geelong
Geelong
Oncology Team
OncologyTrials@barwonhealth.org.au

Peter MacCallum Cancer Centre Bendigo
Bendigo
Ms Catherine Anderson
catherine.anderson@petermac.org
03 5454 9234

Peter MacCallum Cancer Centre
Moorabbin
Moorabbin Research
moorabbin.research@petermac.org
03 9928 8994

Peter MacCallum Cancer Centre, Radiation Oncology
Parkville
Parkville Research
RadOnc.Research@petermac.org

St Vincent's Hospital, Medical and Radiation Oncology
Fitzroy
Ms Nadia Ranieri
nadia.ranieri@svha.org.au
03 9231 3167

Trial Overview: General information about a clinical trial. This section provides an overview of who might be able to join this trial and what type of treatment is involved.

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