Evidence map›Paper›PMID 28445941›Full record

SynthesisOncotarget2017

Palliative radiotherapy for gastric cancer: a systematic review and meta-analysis.

Jeremy Tey, Yu Yang Soon, Wee Yao Koh, Cheng Nang Leong, Bok Ai Choo, Francis Ho, Balamurugan Vellayappan, Keith Lim, Ivan Wk Tham

Abstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Oncotarget, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed, 3 pooled it
–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

47 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Pooled it
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  4. Trial
  5. Article
  6. Radiotherapy as an antihemorrhagic approach in gastric cancer: the RANTIGA study.Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al] · 2026
    Article
  7. Article
  8. Hemostatic palliative radiotherapy for gastric cancer: A literature review.Technical innovations & patient support in radiation oncology · 2024
    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

9 authors.

Jeremy TeyDepartment of Radiation Oncology, National University Hospital, National Cancer Institute of Singapore, Singapore.
Yu Yang SoonDepartment of Radiation Oncology, National University Hospital, National Cancer Institute of Singapore, Singapore.
Wee Yao KohDepartment of Radiation Oncology, National University Hospital, National Cancer Institute of Singapore, Singapore.
Cheng Nang LeongDepartment of Radiation Oncology, National University Hospital, National Cancer Institute of Singapore, Singapore.
Bok Ai ChooDepartment of Radiation Oncology, National University Hospital, National Cancer Institute of Singapore, Singapore.
Francis HoDepartment of Radiation Oncology, National University Hospital, National Cancer Institute of Singapore, Singapore.
Balamurugan VellayappanDepartment of Radiation Oncology, National University Hospital, National Cancer Institute of Singapore, Singapore.
Keith LimDepartment of Radiation Oncology, National University Hospital, National Cancer Institute of Singapore, Singapore.
Ivan Wk ThamDepartment of Radiation Oncology, National University Hospital, National Cancer Institute of Singapore, Singapore.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

background/purposeTo review the efficacy and toxicity of palliative radiotherapy (RT) for symptomatic locally advanced gastric cancer (GC) and to determine the optimal RT schedule for symptom palliation.

methodsWe searched MEDLINE and CENTRAL for eligible studies published from 1995 to 2015. Outcomes of interest were relief of bleeding, pain and obstruction.

resultsSeven non-comparative observational studies were included. There were large variations in RT dose and fractionation. The pooled overall response rates for bleeding, pain and obstruction symptoms were 74%, 67% and 68% respectively. There was no difference in response rate of bleeding between regimens with high biological equivalent dose (BED) of ≥ 39Gy versus regimens with low BED<39Gy regimens (p value =0.39). Grade 3 to 4 toxicities occurred in up to 15% of patients for patients treated with RT alone and up to 25% of patients treated with chemoradiotherapy. Health-related quality of life (HRQL) outcomes were not reported.

conclusionMore than two-thirds of patients receiving RT would have a clinical benefit. Low BED regimens appear to be adequate for symptom palliation. Toxicity rates appear acceptable for patients treated with RT alone. The optimal dose fractionation regimen for symptom palliation remains unclear. Prospective studies to determine the effects of palliative gastric RT on HRQL outcomes are warranted.

Indexed as

Palliative CareRadiotherapyCombined Modality TherapyDose Fractionation, RadiationHumansNeoplasm MetastasisNeoplasm StagingPainRadiotherapy DosageRadiotherapy Planning, Computer-AssistedStomach NeoplasmsTreatment Outcomebleedinggastric cancerpainpalliationradiotherapy

Identifiers

PMID28445941
PMCPMC5421969

What OpenQuestion holds

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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.