One-Week radiation may cut breast cancer arm swelling risk
NCT ID NCT04228991
First seen Nov 18, 2025 · Last updated May 24, 2026 · Updated 21 times
Summary
This study compares a 1-week radiation schedule to the standard 3-week schedule for women with node-positive breast cancer after surgery. The goal is to see if the shorter treatment is just as effective at preventing cancer from coming back while also reducing the risk of lymphedema (arm swelling). About 588 women will take part, and researchers will track swelling, cancer recurrence, and quality of life.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Allan Blair Cancer Centre
Regina, Saskatchewan, S4T 7T1, Canada
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BC Cancer - Centre for the North
Prince George, British Columbia, Canada
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BC Cancer - Centre for the Southern Interior
Kelowna, British Columbia, V1Y 5L3, Canada
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BC Cancer - Vancouver Centre
Vancouver, British Columbia, V5Z 4E6, Canada
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BC Cancer - Vancouver Island Centre
Victoria, British Columbia, V8R 6V5, Canada
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CHU-de Québec-Université de Laval
Québec, Quebec, Canada
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CHUM - Centre Hospitalier de L'Universite de Montreal
Montreal, Quebec, Canada
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CIUSSS de l'Est-de-l'Île de Montréal, Hôpital, Maisonneuve-Rosemont
Montreal, Quebec, H1T 2M4, Canada
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Cross Cancer Institute
Edmonton, Alberta, T6G 1Z2, Canada
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Hotel-Dieu de Lévis (CISSS CA)
Lévis, Quebec, G6V 3Z1, Canada
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Juravinski Cancer Centre
Hamilton, Ontario, L8V 5C2, Canada
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London Regional Cancer Program
London, Ontario, N6A 5W9, Canada
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McGill University Health Centre-Cedars Cancer Centre
Montreal, Quebec, H4A 3J1, Canada
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Northeast Cancer Centre, Health Sciences North
Greater Sudbury, Ontario, P3E5J1, Canada
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Princess Margaret Cancer Centre - UHN
Toronto, Ontario, M5G 1E0, Canada
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Saskatoon Cancer Centre
Saskatoon, Saskatchewan, S7N 4H4, Canada
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Sherbrooke University Hospital Centre
Sherbrooke, Quebec, J1G 2E8, Canada
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Sunnybrook Health Sciences Centre - Odette Cancer Centre
Toronto, Ontario, M4N 3M5, Canada
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The Ottawa Hospital Regional Cancer Centre
Ottawa, Ontario, K1H 8L6, Canada
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Tom Baker Cancer Centre
Calgary, Alberta, T2N 4N2, Canada
Conditions
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