Evidence map›Paper›PMID 34534613›Full record

ReviewRadiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology2021

Current status and application of proton therapy for esophageal cancer.

Xin Wang, Brian Hobbs, Saumil J Gandhi, Christina T Muijs, Johannes A Langendijk, Steven H Lin

Open access · bronzeAbstract readReview
In one paragraph

Review in Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed, 1 pooled it
4.8field-weighted citation impact, top 4% 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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed, 1 synthesis or guideline pooled it, 30 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Development of a prognostic prediction model incorporatingJournal of gastrointestinal oncology · 2026
    Article
  4. HEYL-mediated activation of LAMA3 influences radiotherapy response in esophageal cancer.Esophagus : official journal of the Japan Esophageal Society · 2025
    Article
  5. Dynamic proton arc treatment planning study for oesophageal cancer.Physics and imaging in radiation oncology · 2025
    Article
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  9. Review
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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

6 authors at 3 institutions in 3 countries.

Xin WangDepartment of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA; Department of Radiation Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, China.
Brian HobbsDepartment of Population Health, University of Texas, Austin, USA.
Saumil J GandhiDepartment of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA.
Christina T MuijsDepartment of Radiation Oncology, University of Groningen, University Medical Center Groningen, The Netherlands.
Johannes A LangendijkDepartment of Radiation Oncology, University of Groningen, University Medical Center Groningen, The Netherlands.
Steven H LinDepartment of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA. Electronic address: shlin@mdanderson.org.
The University of Texas MD Anderson Cancer Center · USUniversity Medical Center Groningen · NLThe University of Texas at Austin · US

Funding

Tumor Evolution and Metastasis ProgramP30CA016672 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI Fabien Delerue · 1985 to 2026
$290.8M
NCI NIH HHS P30 CA016672
6 · The paper itself

Abstract

Esophageal cancer remains one of the leading causes of death from cancer across the world despite advances in multimodality therapy. Although early-stage disease can often be treated surgically, the current state of the art for locally advanced disease is concurrent chemoradiation, followed by surgery whenever possible. The uniform midline tumor location puts a strong importance on the need for precise delivery of radiation that would minimize dose to the heart and lungs, and the biophysical properties of proton beam makes this modality potential ideal for esophageal cancer treatment. This review covers the current state of knowledge of proton therapy for esophageal cancer, focusing on published retrospective single- and multi-institutional clinical studies, and emerging data from prospective clinical trials, that support the benefit of protons vs photon-based radiation in reducing postoperative complications, cardiac toxicity, and severe radiation induced immune suppression, which may improve survival outcomes for patients. In addition, we discuss the incorporation of immunotherapy to the curative management of esophageal cancers in the not-too-distant future. However, there is still a lack of high-level evidence to support proton therapy in the treatment of esophageal cancer, and proton therapy has its limitations in clinical application. It is expected to see the results of future large-scale randomized clinical trials and the continuous improvement of proton radiotherapy technology.

Indexed as

Esophageal NeoplasmsProton TherapyRadiotherapy, Intensity-ModulatedHumansProspective StudiesRadiotherapy DosageRetrospective StudiesDosimetryEsophageal cancerIntensity modulated radiation therapyLymphopeniaProton therapyTotal toxicity burden

Identifiers

PMID34534613
PMCPMC11999247
OpenAlexW3201642966

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

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.