Evidence map›Paper›PMID 35131647›Full record

SynthesisBreast (Edinburgh, Scotland)2022

Moderately hypofractionated post-operative radiation therapy for breast cancer: Systematic review and meta-analysis of randomized clinical trials.

Gustavo Nader Marta, Rachel Riera, Rafael Leite Pacheco, Ana Luiza Cabrera Martimbianco, Icro Meattini, Orit Kaidar-Person, Philip Poortmans

Registry-linked trialOpen access · goldAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Breast (Edinburgh, Scotland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05850637 (Phase II Study to Evaluate the Effectiveness and Toxicity of Adjuvant Ultra-hypofractionated Radiotherapy for the Treatment of Early and Locally Advanced Breast Cancer), which is not on this map. Cited by 22 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 5 pooled it
3.1field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT05850637 phase2completednot on this map

Phase II Study to Evaluate the Effectiveness and Toxicity of Adjuvant Ultra-hypofractionated Radiotherapy for the Treatment of Early and Locally Advanced Breast Cancer

TypeinterventionalSponsorPrevent Senior InstituteRan2019 to 2023Enrolled60ConditionsBreast Cancer FemaleArmsadjuvant ultra-hypofractionated radiotherapy
3 · Its place in the literature

Who cites it

22 citing papers in PubMed, 5 syntheses or guidelines pooled it, 36 citations in OpenAlex.

  1. Pooled it
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  3. Pooled it
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  5. Topical non-steroidal agents for the prevention of radiation dermatitis: a systematic review and meta-analysis.Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer · 2023
    Pooled it
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Hypofractionated whole and partial breast irradiation: Brazilian Society of Radiotherapy (SBRT) consensus.Reports of practical oncology and radiotherapy : journal of Greatpoland Cancer Center in Poznan and Polish Society of Radiation Oncology · 2025
    Review
  13. Article
  14. Review
  15. Review
  16. Review
  17. Deep inspiration breath hold: dosimetric benefits to decrease cardiac dose during postoperative radiation therapy for breast cancer patients.Reports of practical oncology and radiotherapy : journal of Greatpoland Cancer Center in Poznan and Polish Society of Radiation Oncology · 2023
    Article
  18. Moderately hypofractionated post-operative radiation therapy for breast cancer: preferences amongst radiation oncologists from countries in Latin America and the Caribbean.Reports of practical oncology and radiotherapy : journal of Greatpoland Cancer Center in Poznan and Polish Society of Radiation Oncology · 2023
    Article
  19. Article
  20. [Boost and hypofractionation in DCIS].Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al] · 2022
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 6 institutions in 5 countries.

Gustavo Nader MartaDepartment of Radiation Oncology, Hospital Sírio-Libanês, São Paulo, Brazil; Latin American Cooperative Oncology Group (LACOG), Brazil. Electronic address: gustavo.marta@hsl.org.br.
Rachel RieraHospital Sírio-Libanês (HSL), Escola Paulista de Medicina, Universidade Federal de São Paulo (Unifesp), Oxford-Brazil EBM Alliance, São Paulo, SP, Brazil. Electronic address: rachelriera@hotmail.com.
Rafael Leite PachecoHospital Sírio-Libanês (HSL), Centro Universitário São Camilo (CUSC), Oxford-Brazil EBM Alliance, São Paulo, SP, Brazil. Electronic address: rleitepacheco@hotmail.com.
Ana Luiza Cabrera MartimbiancoResearcher at Hospital Sírio-Libanês (HSL), Centro Universitário São Camilo (CUSC), São Paulo, SP, Brazil; Universidade Metropolitana de Santos (Unimes), Oxford-Brazil EBM Alliance, Santos, SP, Brazil. Electronic address: analuizacabrera@hotmail.com.
Icro MeattiniDepartment of Experimental and Clinical Biomedical Sciences M Serio, and Radiation Oncology Unit, Oncology Department, Careggi University Hospital, University of Florence, Florence, Italy. Electronic address: icro.meattini@unifi.it.
Orit Kaidar-PersonSheba Medical Center, Ramat Gan, Israel; GROW-School for Oncology and Developmental Biology or GROW (Maastro), Maastricht University, Maastricht, the Netherlands; Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel. Electronic address: Orit.KaidarPerson@sheba.health.gov.il.
Philip PoortmansDepartment of Radiation Oncology, Iridium Netwerk, University of Antwerp, Faculty of Medicine and Health Sciences, Wilrijk-Antwerp, Belgium. Electronic address: philip.poortmans@telenet.be.
Hospital Sírio-Libanês · BRAzienda Ospedaliero-Universitaria Careggi · ITCentro Universitário São Camilo · BRTel Aviv University · ILUniversidade Metropolitana de Santos · BRUniversity of Antwerp · BE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionWe provide a critical assessment regarding current evidence for the use of moderately hypofractionated irradiation for patients with breast cancer. The aim of the study was to summarize the available evidence regarding outcomes after moderately hypofractionated compared with conventional radiation doses in the post-operative treatment of patients with breast cancer. MATERIAL AND

methodsThe Cochrane Central Register of Controlled Trials, MEDLINE, EMBASE and LILACS databases were searched until March 25, 2021. All randomized phase 3 clinical trials that compared moderately hypofractionated with conventional radiation doses in the post-operative treatment of patients with breast cancer were selected. This review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) Statement.

resultsEight clinical trials satisfied the eligibility criteria and were the focus of the analysis. A total of 12,139 breast cancer patients was randomly assigned for moderately hypofractionated compared with conventional irradiation. Meta-analysis of the trials regarding local recurrence, loco-regional recurrence, disease-free survival, and overall survival outcomes did not demonstrate any significant difference between moderately hypofractionated irradiation and conventional radiation doses groups. The rate of severe side effects was low in both groups; acute and late side effects and cosmesis were similar or even tended to be lower after moderately hypofractionated than after conventional irradiation.

conclusionsModerately hypofractionated is at least as effective and safe as conventional radiation irradiation regimens and should be considered as a treatment option for most, if not all, breast cancer patients.

Indexed as

Breast NeoplasmsDisease-Free SurvivalFemaleHumansPostoperative PeriodRadiation Dose HypofractionationRandomized Controlled Trials as TopicBreast cancerHypofractionationRadiation therapyTreatment

Identifiers

PMID35131647
PMCPMC9073333
OpenAlexW4210397802

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.