Clinical Outcomes of Patients with Metastatic Breast Cancer Treated with Hypo-Fractionated Liver Radiotherapy.

SABR SBRT ablative radiotherapy breast cancer liver metastasis metastases

Journal

Cancers
ISSN: 2072-6694
Titre abrégé: Cancers (Basel)
Pays: Switzerland
ID NLM: 101526829

Informations de publication

Date de publication:
19 May 2023
Historique:
received: 13 04 2023
revised: 11 05 2023
accepted: 13 05 2023
medline: 22 6 2023
pubmed: 22 6 2023
entrez: 22 6 2023
Statut: epublish

Résumé

To retrospectively review the clinical outcomes of patients with metastatic breast cancer (MBCa) following liver directed ablative intent radiotherapy (RT). Demographics, disease and treatment characteristics of patients with MBCa who received liver metastasis (LM) directed ablative RT between 2004-2020 were analysed. The primary outcome was local control (LC), secondary outcomes included overall survival (OS) and progression-free survival (PFS) analyzed by univariate (UVA) and multi-variable analysis (MVA). Thirty MBCa patients with 50 LM treated with 5-10 fraction RT were identified. Median follow-up was 14.6 (range 0.9-156.2) months. Class of metastatic disease was described as induced (12 patients, 40%), repeat (15 patients, 50%) and de novo (three patients, 10%). Median size of treated LM was 3.1 cm (range 1-8.8 cm) and median biologically effective dose delivered was 122 (Q1-Q3; 98-174) Gy Hypo-fractionated ablative liver RT in patients with MBCa provides safe, tolerable treatment with excellent LC.

Identifiants

pubmed: 37345175
pii: cancers15102839
doi: 10.3390/cancers15102839
pmc: PMC10216793
pii:
doi:

Types de publication

Journal Article

Langues

eng

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Auteurs

Melinda Mushonga (M)

Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada.
Department of Radiation Oncology, University of Toronto, Toronto, ON M5T 1P5, Canada.

Joelle Helou (J)

Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada.
Department of Radiation Oncology, University of Toronto, Toronto, ON M5T 1P5, Canada.
Department of Oncology, Division of Radiation Oncology, Western University, London, ON N6A 5W9, Canada.

Jessica Weiss (J)

Department of Biostatistics, Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2M9, Canada.

Laura A Dawson (LA)

Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada.
Department of Radiation Oncology, University of Toronto, Toronto, ON M5T 1P5, Canada.

Rebecca K S Wong (RKS)

Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada.
Department of Radiation Oncology, University of Toronto, Toronto, ON M5T 1P5, Canada.

Ali Hosni (A)

Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada.
Department of Radiation Oncology, University of Toronto, Toronto, ON M5T 1P5, Canada.

John Kim (J)

Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada.
Department of Radiation Oncology, University of Toronto, Toronto, ON M5T 1P5, Canada.

James Brierley (J)

Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada.
Department of Radiation Oncology, University of Toronto, Toronto, ON M5T 1P5, Canada.

C Anne Koch (CA)

Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada.
Department of Radiation Oncology, University of Toronto, Toronto, ON M5T 1P5, Canada.

Khalid Alrabiah (K)

Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada.
Department of Radiation Oncology, University of Toronto, Toronto, ON M5T 1P5, Canada.

Patricia Lindsay (P)

Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada.
Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada.

Teo Stanescu (T)

Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada.
Department of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada.

Aisling Barry (A)

Radiation Medicine Program, Princess Margaret Cancer Centre, Toronto, ON M5G 2M9, Canada.
Department of Radiation Oncology, University of Toronto, Toronto, ON M5T 1P5, Canada.
Cancer Research @UCC, University College Cork, T12 R229 Cork, Ireland.

Classifications MeSH