Evidence map›Paper›PMID 35902868›Full record

ArticleRadiation oncology (London, England)2022

Organs-at-risk dose constraints in head and neck intensity-modulated radiation therapy using a dataset from a multi-institutional clinical trial (JCOG1015A1).

Masahiro Inada, Yasumasa Nishimura, Satoshi Ishikura, Kazuki Ishikawa, Naoya Murakami, Takeshi Kodaira, Yoshinori Ito, Kazuhiko Tsuchiya, Yuji Murakami, Junichi Saito and 9 more

Open access · goldAbstract readMulticenter Study
In one paragraph

Article in Radiation oncology (London, England), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
3.6field-weighted citation impact, top 6% 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

13 citing papers in PubMed, 19 citations in OpenAlex.

  1. Trial
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  5. Custom-made, 3D-printed bolus cap for a case of scalp metastasis: A single-institution study.Technical innovations & patient support in radiation oncology · 2025
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  6. Review
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  11. Letter to the Editor regarding "Long‑term swallow outcomes and factors affecting swallowing dysfunction and quality of life among oral cancer patients: a prospective observational study" by Thaduri et al. Eur Arch Otorhinolaryngol. 2023 Aug 7. doi: 10.1007/s00405-023-08155-x.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2023
    Article
  12. Exploring the landscape of oral cancer care: real-world scenario.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2023
    Article
  13. 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

19 authors at 14 institutions in 1 country.

Masahiro InadaDepartment of Radiation Oncology, Kindai University Faculty of Medicine, 377-2 Onohigashi, Osakasayama, Osaka, 589-8511, Japan. im022012@med.kindai.ac.jp.
Yasumasa NishimuraDepartment of Radiation Oncology, Kindai University Faculty of Medicine, 377-2 Onohigashi, Osakasayama, Osaka, 589-8511, Japan.
Satoshi IshikuraDivision of Radiation Oncology, Tokyo Bay Makuhari Clinic for Advanced Imaging, Cancer Screening, and High-Precision Radiotherapy, Chiba, Japan.
Kazuki IshikawaDepartment of Radiation Oncology, Nara Prefecture General Medical Center, Nara, Japan.
Naoya MurakamiDepartment of Radiation Oncology, National Cancer Center Hospital, Tokyo, Japan.
Takeshi KodairaDepartment of Radiation Oncology, Aichi Cancer Center Hospital, Aichi, Japan.
Yoshinori ItoDepartment of Radiation Oncology, Showa University School of Medicine, Tokyo, Japan.
Kazuhiko TsuchiyaDepartment of Radiation Oncology, Otaru General Hospital, Hokkaido, Japan.
Yuji MurakamiDepartment of Radiation Oncology, Hiroshima University Hospital, Hiroshima, Japan.
Junichi SaitoDivision of Radiation Oncology, Department of Radiology, Faculty of Medicine, University of Toyama, Toyama, Japan.
Tetsuo AkimotoDepartment of Radiation Oncology, National Cancer Center Hospital East, Chiba, Japan.
Kensei NakataDepartment of Radiation Oncology, Sapporo City General Hospital, Hokkaido, Japan.
Michio YoshimuraDepartment of Radiation Oncology and Image-Applied Therapy, Kyoto University, Kyoto, Japan.
Teruki TeshimaOsaka Heavy Ion Therapy Center, Osaka, Japan.
Takashi ToshiyasuDepartment of Radiation Oncology, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan.
Yosuke OtaDepartment of Radiation Oncology, Hyogo Cancer Center, Hyogo, Japan.
Toshiyuki MinemuraInstitute for Cancer Control, National Cancer Center Hospital, Tokyo, Japan.
Hidetoshi ShimizuDepartment of Radiation Oncology, Aichi Cancer Center Hospital, Aichi, Japan.
Masahiro HiraokaDepartment of Radiation Oncology, Japanese Red Cross Wakayama Medical Center, Wakayama, Japan.
Aichi Cancer Center · JPKindai University · JPHiroshima University Hospital · JPHyogo Prefectural Cancer Center · JPJapanese Foundation For Cancer Research · JPJapanese Red Cross Society Wakayama Medical Center · JPKyoto University · JPNara Medical University · JPNational Cancer Center Hospital East · JPOtaru Municipal Hospital · JPSapporo City General Hospital · JPShowa University · JPTokyo National Hospital · JPUniversity of Toyama · JP

Funding

Health Sciences Research Grants for the Grant-in-aid for Cancer Research H23-009Japan Agency for Medical Research and Development JP16ck0106093JSPS KAKENHI 20K08009National Cancer Center Research and Development Funds 2020-J-3
6 · The paper itself

Abstract

backgroundJCOG1015A1 is an ancillary research study to determine the organ-specific dose constraints in head and neck carcinoma treated with intensity-modulated radiation therapy (IMRT) using data from JCOG1015.

methodsIndividual patient data and dose-volume histograms of organs at risk (OAR) were collected from 74 patients with nasopharyngeal carcinoma treated with IMRT who enrolled in JCOG1015. The incidence of late toxicities was evaluated using the cumulative incidence method or prevalence proportion. ROC analysis was used to estimate the optimal DVH cut-off value that predicted toxicities.

resultsThe 5-year cumulative incidences of Grade (G) 1 myelitis, ≥ G1 central nervous system (CNS) necrosis, G2 optic nerve disorder, ≥ G2 dysphagia, ≥ G2 laryngeal edema, ≥ G2 hearing impaired, ≥ G2 middle ear inflammation, and ≥ G1 hypothyroidism were 10%, 5%, 2%, 11%, 5%, 26%, 34%, and 34%, respectively. Significant associations between DVH parameters and incidences of toxicities were observed in the brainstem for myelitis (D1cc ≥ 55.8 Gy), in the brain for CNS necrosis (D1cc ≥ 72.1 Gy), in the eyeball for optic nerve disorder (Dmax ≥ 36.6 Gy), and in the ipsilateral inner ear for hearing impaired (Dmean ≥ 44 Gy). The optic nerve, pharyngeal constrictor muscle (PCM), and thyroid showed tendencies between DVH parameters and toxicity incidence. The prevalence proportion of G2 xerostomia at 2 years was 17 versus 6% (contralateral parotid gland Dmean ≥ 25.8 Gy vs less).

conclusionsThe dose constraint criteria were appropriate for most OAR in this study, although more strict dose constraints might be necessary for the inner ear, PCM, and brainstem.

Indexed as

Head and Neck NeoplasmsMyelitisNasopharyngeal NeoplasmsRadiotherapy, Intensity-ModulatedHumansNecrosisOrgans at RiskRadiotherapy DosageChemoradiation therapyDose constraintsHead and neck carcinomaIntensity-modulated radiation therapyProspective trial

Identifiers

PMID35902868
PMCPMC9331577
OpenAlexW4288084364

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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.