Evidence map›Paper›PMID 32357936›Full record

ArticleRadiation oncology (London, England)2020

Risk factors for esophagitis after hypofractionated palliative (chemo) radiotherapy for non-small cell lung cancer.

Carsten Nieder, Kristian S Imingen, Bård Mannsåker, Rosalba Yobuta, Ellinor Haukland

Open access · goldAbstract read
In one paragraph

Article in Radiation oncology (London, England), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
0.8field-weighted citation impact, top 25% 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

8 citing papers in PubMed, 10 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Multiomic random forest toxicity modeling of radiation esophagitis.Physics and imaging in radiation oncology · 2025
    Article
  5. Article
  6. Article
  7. Article
  8. 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

5 authors at 2 institutions in 1 country.

Carsten NiederDepartment of Oncology and Palliative Medicine, Nordland Hospital, 8092, Bodø, Norway. carsten.nieder@nlsh.no.ORCID http://orcid.org/0000-0003-1592-2908
Kristian S ImingenDepartment of Oncology and Palliative Medicine, Nordland Hospital, 8092, Bodø, Norway.
Bård MannsåkerDepartment of Oncology and Palliative Medicine, Nordland Hospital, 8092, Bodø, Norway.
Rosalba YobutaDepartment of Oncology and Palliative Medicine, Nordland Hospital, 8092, Bodø, Norway.
Ellinor HauklandDepartment of Oncology and Palliative Medicine, Nordland Hospital, 8092, Bodø, Norway.
Nordland Hospital Trust · NOStatistics Norway · NO

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionEsophagitis influences quality of life and might cause treatment interruption and hospitalization. Previous studies of risk factors focused on curative treatment for non-small cell lung cancer (NSCLC), which often involves concomitant chemoradiation (CRT). Given the uncertainty around extrapolation of dose constraints, we analyzed risk factors in patients treated with hypofractionated palliative regimens. PATIENTS AND

methodsA retrospective review of 106 patients treated with palliative radiotherapy or CRT between 2009 and 2017 was performed. INCLUSION CRITERIA: prescribed total dose 30-54 Gy, dose per fraction 2.5-4 Gy, esophageal dose > 1 Gy. Uni- and multivariate analyses were performed in 97 eligible patients to identify predictive factors for acute esophagitis grade ≥ 1 (CTCAE 5.0).

resultsForty percent of patients were treated with 15 fractions of 2.8 Gy (42 Gy) and 28% also received chemotherapy according to the CONRAD study regimen (induction and concomitant Carboplatin/Vinorelbine) published by the Norwegian Lung Cancer Group. Thirty-four percent were treated with 10 fractions of 3 Gy. Stage IV NSCLC was present in 47%. Esophagus Dmax was 39 Gy (population median) and Dmean 15 Gy. Overall 31% of patients developed esophagitis (26% grade 2-3, no grade 4-5). Several dosimetric parameters correlated with the risk of esophagitis (Dmax, Dmean, D5cc, V20, V30, V35, V40). Dmax outperformed other dosimetric variables in multivariate analysis. Furthermore, concomitant chemotherapy significantly increased the risk of esophagitis, while oral steroid medication reduced it. In patients with Dmax ≥40 Gy a reduced Dmean (≤20 Gy) was beneficial.

conclusionIn order to reduce esophagitis after hypofractionated palliative treatment lower doses than those recommended in curative NSCLC settings are preferable. Besides esophageal dose, CRT is the main risk factor for esophagitis. Additional work is needed to confirm that steroids are able to modify the risk (or to rule out confounding effects of baseline variables not included in our database).

Indexed as

Palliative CareRadiation Dose HypofractionationAdultAgedAged, 80 and overCarcinoma, Non-Small-Cell LungChemoradiotherapyEsophagitisEsophagusFemaleHumansLung NeoplasmsMaleMiddle AgedRadiation InjuriesRadiotherapy, ConformalChemoradiationDose-volume histogramEsophagitisLung cancerPalliative radiation therapyRadiotherapy

Identifiers

PMID32357936
PMCPMC7195792
OpenAlexW3023059111

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Registered trials

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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.