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Study identifier: NCT05866458 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Radiation OmisSion in PAtients With CLinically Node Negative Breast Cancer Undergoing Lumpectomy

Condition: Breast Cancer  ·  Sponsor: Ontario Clinical Oncology Group (OCOG)

PhaseN/A
Planned participants352
Who can joinFemale, 50 Years to no upper limit
Healthy volunteersNo

About this study

To de-escalate radiation therapy in women with breast cancer.

This description comes directly from the study's public registry record.

Talk to the study team

Adrianne Van Dam  ·  905-527-2299  ·  avandam@mcmaster.ca

Always discuss trial participation with your own doctor first.

Locations (23)

Tweed Valley HospitalCudgen, Cudgen, AustraliaRecruiting
Liverpool HospitalLiverpool, New South Wales, AustraliaRecruiting
Mater Hospital SydneyNorth Sydney, New South Wales, AustraliaRecruiting
Westmead HospitalWestmead, New South Wales, AustraliaRecruiting
Monash Medical Centre -MoorabbinBentleigh East, Victoria, AustraliaNot Yet Recruiting
Victorian Breast & Oncology Care (VBOC)East Melbourne, Victoria, AustraliaRecruiting
St. Vincent's Hospital MelbourneMelbourne, Victoria, AustraliaRecruiting
Maroondah HospitalBox Hill, AustraliaRecruiting
Royal Perth HospitalPerth, AustraliaNot Yet Recruiting
Prince of Wales HospitalRandwick, AustraliaRecruiting
Latrobe Regional HealthTraralgon, AustraliaRecruiting
BC Cancer - Centre for the NorthPrince George, British Columbia, CanadaRecruiting

+ 11 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT05866458