New study could spare breast cancer patients from unnecessary surgery
NCT ID NCT04889924
First seen Nov 01, 2025 · Last updated May 16, 2026 · Updated 25 times
Summary
This study looks at whether radiation therapy to the underarm area is as effective as surgery to remove lymph nodes in breast cancer patients who still have cancer in their sentinel node after chemotherapy. The goal is to see if radiation causes less arm swelling (lymphedema) while keeping cancer from coming back. About 820 women will be randomly assigned to one of the two treatments and followed for several years.
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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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Consorci Sanitari Integral
RECRUITINGL'Hospitalet de Llobregat, Barcelona, 08906, Spain
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Consorci Sanitari de Terrassa
RECRUITINGTerrassa, Barcelona, 08227, Spain
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Fundación Althaia Manresa
RECRUITINGManresa, Barcelona, 08243, Spain
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GenesisCare Campbelltown
RECRUITINGSydney, New South Wales, 2560, Australia
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GenesisCare Frenchs Forest
RECRUITINGSydney, New South Wales, 2086, Australia
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GenesisCare Hurstville
RECRUITINGSydney, New South Wales, 2220, Australia
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GenesisCare Mater
RECRUITINGSydney, New South Wales, 2060, Australia
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GenesisCare North Shore
RECRUITINGSydney, New South Wales, 2065, Australia
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GenesisCare Norwest
RECRUITINGSydney, New South Wales, 2153, Australia
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Hospital Clínico Universitario Virgen de la Arrixaca
RECRUITINGEl Palmar, Murcia, 30120, Spain
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Hospital Clínico Universitario de Valladolid
RECRUITINGValladolid, 47003, Spain
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Hospital Clínico y Provincial de Barcelona
RECRUITINGBarcelona, 08036, Spain
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Hospital Comarcal Sant Jaume de Calella
RECRUITINGCalella, Barcelona, 08370, Spain
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Hospital General Universitario Gregorio Marañón
RECRUITINGMadrid, 28007, Spain
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Hospital General de Granollers
NOT_YET_RECRUITINGGranollers, Barcelona, 08402, Spain
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Hospital General de Segovia
RECRUITINGSegovia, 47002, Spain
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Hospital Montecelo
RECRUITINGPontevedra, 36071, Spain
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Hospital Recoletas Campo Grande de Valladolid
RECRUITINGValladolid, 47007, Spain
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Hospital Regional Universitario de Málaga
RECRUITINGMálaga, 29010, Spain
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Hospital Ribera Povisa
RECRUITINGVigo, Pontevedra, 36211, Spain
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Hospital Universitari Germans Trias i Pujol
RECRUITINGBadalona, Barcelona, 08916, Spain
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Hospital Universitario 12 de Octubre
RECRUITINGMadrid, 28041, Spain
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Hospital Universitario Clínico San Cecilio
NOT_YET_RECRUITINGGranada, 18016, Spain
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Hospital Universitario Doctor Peset
RECRUITINGValencia, 46017, Spain
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Hospital Universitario Galdakao-Usansolo
RECRUITINGGaldakao, Bizkaia, 48960, Spain
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Hospital Universitario General de Cataluña
NOT_YET_RECRUITINGSant Cugat del Vallès, Barcelona, 08195, Spain
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Hospital Universitario HM Sanchinarro
RECRUITINGMadrid, 28050, Spain
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Hospital Universitario Infanta Cristina
RECRUITINGParla, Madrid, 28981, Spain
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Hospital Universitario Infanta Sofía- Fundación de Inv. Biomédica H. Infanta Sofía
RECRUITINGMadrid, 28703, Spain
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Hospital Universitario La Paz
RECRUITINGMadrid, 28046, Spain
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Hospital Universitario Mútua Terrassa
RECRUITINGTerrassa, Barcelona, 08221, Spain
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Hospital Universitario Nuestra Señora de Candelaria
RECRUITINGSanta Cruz de Tenerife, 38010, Spain
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Hospital Universitario Príncipe de Asturias
RECRUITINGAlcalá de Henares, Madrid, 28805, Spain
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Hospital Universitario Puerta De Hierro
RECRUITINGMajadahonda, Madrid, 28222, Spain
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Hospital Universitario Puerta del Mar
NOT_YET_RECRUITINGCadiz, Cádiz, 11009, Spain
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Hospital Universitario Ramón y Cajal
RECRUITINGMadrid, 28034, Spain
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Hospital Universitario Sant Joan de Reus
RECRUITINGReus, Tarragona, 43204, Spain
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Hospital Universitario Severo Ochoa
RECRUITINGLeganés, Madrid, 28914, Spain
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Hospital Universitario Virgen Macarena
RECRUITINGSeville, 41009, Spain
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Hospital Universitario Virgen de la Victoria
RECRUITINGMálaga, 29010, Spain
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Hospital Universitario Virgen de las Nieves
RECRUITINGGranada, 18014, Spain
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Hospital Universitario de A Coruña
RECRUITINGA Coruña, 15006, Spain
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Hospital Universitario de Bellvitge
RECRUITINGL'Hospitalet de Llobregat, Barcelona, 08907, Spain
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Hospital Universitario de Burgos
RECRUITINGBurgos, 09006, Spain
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Hospital Universitario de Canarias
RECRUITINGSan Cristóbal de La Laguna, Santa Cruz De Tenerife, 38320, Spain
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Hospital Universitario de Cruces
RECRUITINGBarakaldo, Bizkaia, 48903, Spain
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Hospital Universitario de Donostia
RECRUITINGDonostia / San Sebastian, Gipuzkoa, 20014, Spain
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Hospital Universitario de Gerona Doctor Josep Trueta
RECRUITINGGirona, 17007, Spain
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Hospital Universitario de Navarra
RECRUITINGPamplona, 31008, Spain
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Hospital Universitario de Tarragona Juan XXIII
RECRUITINGTarragona, 43005, Spain
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Hospital Universitario de Álava / Txagorritxu
RECRUITINGVitoria-Gasteiz, Álava, 01009, Spain
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Hospital de Mataró
RECRUITINGMataró, Barcelona, 08304, Spain
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Hospital de Viladecans
RECRUITINGViladecans, Barcelona, 08840, Spain
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Hospital de la Santa Cruz y San Pablo
RECRUITINGBarcelona, 08025, Spain
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Hospital del Mar
RECRUITINGBarcelona, 08003, Spain
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Hospital Álvaro Cunqueiro
RECRUITINGVigo, Pontevedra, 36213, Spain
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Institut Catalán de Oncología de Girona
RECRUITINGGirona, 17007, Spain
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Instituto Catalán de Oncología de Badalona
RECRUITINGBadalona, Barcelona, 08916, Spain
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Instituto Catalán de Oncología- Hospital Duran i Reynals
RECRUITINGL'Hospitalet de Llobregat, Barcelona, 08908, Spain
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Instituto Valenciano de Oncología
RECRUITINGValencia, 46009, Spain
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Conditions
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