Long-term results of hypofractionation with concomitant boost in patients with early breast cancer: A prospective study.

Long-term results of hypofractionation with concomitant boost in patients with early breast cancer: A prospective study.

<h4>Aim</h4>To report the long-term local control and survival of patients with early breast cancer who had hypofractionated whole breast irradiation with concomitant boost (Hypo-CB).<h4>Methods and materials</h4>Between October 2009 and June 2010, 73 patients with early brea...

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Autores principales: Kitwadee Saksornchai, Thitiporn Jaruthien, Chonnipa Nantavithya, Kanjana Shotelersuk, Prayuth Rojpornpradit
Formato: article
Lenguaje:EN
Publicado: Public Library of Science (PLoS) 2021
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Medicine
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Science
Q
Acceso en línea:https://doaj.org/article/a2b53b722cc04108bdcc40f6aeb1a131
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spelling oai:doaj.org-article:a2b53b722cc04108bdcc40f6aeb1a1312021-12-02T20:13:46ZLong-term results of hypofractionation with concomitant boost in patients with early breast cancer: A prospective study.1932-620310.1371/journal.pone.0258186https://doaj.org/article/a2b53b722cc04108bdcc40f6aeb1a1312021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0258186https://doaj.org/toc/1932-6203<h4>Aim</h4>To report the long-term local control and survival of patients with early breast cancer who had hypofractionated whole breast irradiation with concomitant boost (Hypo-CB).<h4>Methods and materials</h4>Between October 2009 and June 2010, 73 patients with early breast cancer (T1-3N0-1M0) who underwent breast conserving surgery were enrolled into the study. Thirty-six of these participants received 50 Gy of conventional irradiation in 25 fractions over 5 weeks to the whole breast with a sequential boost to the tumor bed with 10-16 Gy in 5-8 fractions (Conv-SEQ). The other 37 participants received a hypofractionated dose of 43.2 Gy in 16 fractions with an additional daily concomitant boost (CB) of 0.6 Gy over 3 weeks (Hypo-CB).<h4>Results</h4>At a median follow-up time of 123 months, ipsilateral local recurrence (ILR) was found in 3 participants, 1 of whom was in the hypofractionated group. All 3 ILR were true local recurrence (TR). There were no significant differences in the 10-year disease free survival (DFS) and 10-year overall survival rates (OS) between the conventional and hypofractionated groups (93.9% vs. 94.4%, p = 0.96 and 91.9% vs. 91.6%, p = 0.792, respectively).<h4>Conclusion</h4>This study showed that the effectiveness, DFS and OS were comparable between hypofractionated whole breast irradiation with a CB and the conventional irradiation with a sequential boost.Kitwadee SaksornchaiThitiporn JaruthienChonnipa NantavithyaKanjana ShotelersukPrayuth RojpornpraditPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 10, p e0258186 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Kitwadee Saksornchai
Thitiporn Jaruthien
Chonnipa Nantavithya
Kanjana Shotelersuk
Prayuth Rojpornpradit
Long-term results of hypofractionation with concomitant boost in patients with early breast cancer: A prospective study.
description <h4>Aim</h4>To report the long-term local control and survival of patients with early breast cancer who had hypofractionated whole breast irradiation with concomitant boost (Hypo-CB).<h4>Methods and materials</h4>Between October 2009 and June 2010, 73 patients with early breast cancer (T1-3N0-1M0) who underwent breast conserving surgery were enrolled into the study. Thirty-six of these participants received 50 Gy of conventional irradiation in 25 fractions over 5 weeks to the whole breast with a sequential boost to the tumor bed with 10-16 Gy in 5-8 fractions (Conv-SEQ). The other 37 participants received a hypofractionated dose of 43.2 Gy in 16 fractions with an additional daily concomitant boost (CB) of 0.6 Gy over 3 weeks (Hypo-CB).<h4>Results</h4>At a median follow-up time of 123 months, ipsilateral local recurrence (ILR) was found in 3 participants, 1 of whom was in the hypofractionated group. All 3 ILR were true local recurrence (TR). There were no significant differences in the 10-year disease free survival (DFS) and 10-year overall survival rates (OS) between the conventional and hypofractionated groups (93.9% vs. 94.4%, p = 0.96 and 91.9% vs. 91.6%, p = 0.792, respectively).<h4>Conclusion</h4>This study showed that the effectiveness, DFS and OS were comparable between hypofractionated whole breast irradiation with a CB and the conventional irradiation with a sequential boost.
format article
author Kitwadee Saksornchai
Thitiporn Jaruthien
Chonnipa Nantavithya
Kanjana Shotelersuk
Prayuth Rojpornpradit
author_facet Kitwadee Saksornchai
Thitiporn Jaruthien
Chonnipa Nantavithya
Kanjana Shotelersuk
Prayuth Rojpornpradit
author_sort Kitwadee Saksornchai
title Long-term results of hypofractionation with concomitant boost in patients with early breast cancer: A prospective study.
title_short Long-term results of hypofractionation with concomitant boost in patients with early breast cancer: A prospective study.
title_full Long-term results of hypofractionation with concomitant boost in patients with early breast cancer: A prospective study.
title_fullStr Long-term results of hypofractionation with concomitant boost in patients with early breast cancer: A prospective study.
title_full_unstemmed Long-term results of hypofractionation with concomitant boost in patients with early breast cancer: A prospective study.
title_sort long-term results of hypofractionation with concomitant boost in patients with early breast cancer: a prospective study.
publisher Public Library of Science (PLoS)
publishDate 2021
url https://doaj.org/article/a2b53b722cc04108bdcc40f6aeb1a131
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