Evidence map›Paper›PMID 30943057›Full record

ArticleThe British journal of radiology2019

Beam direction arrangement using a superconducting rotating gantry in carbon ion treatment for pancreatic cancer.

Woong Sub Koom, Shinichiro Mori, Wataru Furuich, Shigeru Yamada

Abstract readComparative StudyEvaluation Study
In one paragraph

Article in The British journal of radiology, 2019. 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
–field-weighted citation impact
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.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Basic and translational research on carbon-ion radiobiology.American journal of cancer research · 2023
    Review
  6. Fixed Beamline Optimization for Intensity Modulated Carbon-Ion Therapy.IEEE transactions on radiation and plasma medical sciences · 2022
    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

4 authors.

Woong Sub Koom1 Department of Radiation Oncology, Yonsei University College of Medicine , Seoul , South Korea.ORCID http://orcid.org/{5}
Shinichiro Mori2 Research Center for Charged Particle Therapy, National Institute of Radiological Sciences , Chiba , Japan.
Wataru Furuich3 Accelerator Engineering Corporation , Chiba , Japan.
Shigeru Yamada2 Research Center for Charged Particle Therapy, National Institute of Radiological Sciences , Chiba , Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesCarbon ion radiotherapy provides a concentrated dose distribution to the target and has several advantages over photon radiotherapy. This study aimed to evaluate the optimal beam direction in carbon ion pencil beam scanning and compare dose distributions between the rotating gantry system (RGS) and fixed-beam port system (FBPS).

methodsPatients with locally advanced pancreatic cancer were randomly selected. First, dose-volume parameters of 7-beam directions in the prone position were evaluated. Second, a composite plan developed using 4-beam directions in RGS was compared with that developed using FBPS, with a total prescribed dose of 55.2 Gy (relative biological effectiveness, RBE) in 12 fractions.

resultsTarget coverages in the composite plan did not widely differ. For the first and second segments of the duodenum, the mean dose of D2cc was not significantly changed (23.80 ± 11.90 Gy [RBE] and 25.63 ± 10.41 Gy [RBE] for RGS and FBPS, respectively). However, the dose-volume histogram curve in RGS showed a prominent dose reduction in the low-dose region. No significant differences were observed in the stomach, third and fourth segments of the duodenum, and spinal cord. The mean dose of the total kidney was similar between RGS and FBPS.

conclusionsCompared with that of FBPS, the 4-beam arrangement in the prone position using RGS provides comparable or superior dose distribution in the surrounding normal organ while achieving the same target coverage. In addition, RGS allows for single-patient positioning. ADVANCES IN KNOWLEDGE: RGS is beneficial in delivering radiotherapy doses to the duodenum and allows for single-patient positioning and a simple planning process.

Indexed as

AdultAgedAged, 80 and overEquipment DesignFemaleHeavy Ion RadiotherapyHumansMaleMiddle AgedPancreatic NeoplasmsRadiotherapy DosageRadiotherapy Planning, Computer-AssistedRetrospective StudiesSurgical EquipmentTreatment Outcome

Identifiers

PMID30943057
PMCPMC6592073

What OpenQuestion holds

Textmetadata
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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.