Evidence map›Paper›PMID 31388183›Full record

Trial reportBritish journal of cancer2019

Alteration in tumoural PD-L1 expression and stromal CD8-positive tumour-infiltrating lymphocytes after concurrent chemo-radiotherapy for non-small cell lung cancer.

Kazue Yoneda, Taiji Kuwata, Masatoshi Kanayama, Masataka Mori, Toshinori Kawanami, Kazuhiro Yatera, Takayuki Ohguri, Masanori Hisaoka, Toshiyuki Nakayama, Fumihiro Tanaka

Open access · hybridAbstract readClinical Trial
In one paragraph

Trial report in British journal of cancer, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 80 papers.

0numbers the graph read from it
0cells of the map it votes in
80citing papers in PubMed
6.4field-weighted citation impact, top 3% 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

80 citing papers in PubMed, 127 citations in OpenAlex.

  1. Trial
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  4. Timing matters: how mechanism-guided sequencing shapes the efficacy of radiotherapy-immunotherapy combinations : A systematic review.Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al] · 2026
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  14. Impact of platinum-based chemotherapy on the tumor mutational burden and immune microenvironment in non-small cell lung cancer with postoperative recurrence.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2024
    Article
  15. Review
  16. Immunoradiotherapy for NSCLC: mechanisms, clinical outcomes, and future directions.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2024
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20 more citing papers are in PubMed but not listed here.

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

10 authors at 1 institution in 1 country.

Kazue YonedaSecond Department of Surgery (Chest Surgery), University of Occupational and Environmental Health Japan, Kitakyushu, Japan.ORCID http://orcid.org/0000-0001-7142-2743
Taiji KuwataSecond Department of Surgery (Chest Surgery), University of Occupational and Environmental Health Japan, Kitakyushu, Japan.
Masatoshi KanayamaSecond Department of Surgery (Chest Surgery), University of Occupational and Environmental Health Japan, Kitakyushu, Japan.
Masataka MoriSecond Department of Surgery (Chest Surgery), University of Occupational and Environmental Health Japan, Kitakyushu, Japan.
Toshinori KawanamiDepartment of Respiratory Medicine, University of Occupational and Environmental Health Japan, Kitakyushu, Japan.
Kazuhiro YateraDepartment of Respiratory Medicine, University of Occupational and Environmental Health Japan, Kitakyushu, Japan.
Takayuki OhguriDepartment of Radiology, University of Occupational and Environmental Health Japan, Kitakyushu, Japan.
Masanori HisaokaDepartment of Pathology and Oncology, University of Occupational and Environmental Health Japan, Kitakyushu, Japan.
Toshiyuki NakayamaDepartment of Pathology, University of Occupational and Environmental Health Japan, Kitakyushu, Japan.
Fumihiro TanakaSecond Department of Surgery (Chest Surgery), University of Occupational and Environmental Health Japan, Kitakyushu, Japan. ftanaka@med.uoeh-u.ac.jp.
University of Occupational and Environmental Health Japan · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundConsolidation treatment with an anti-PD-L1 antibody, durvalumab, following concurrent chemo-radiotherapy (cCRT) has become a new standard of care for locally advanced non-small cell lung cancer (NSCLC). The rationale of PD-L1 blockade after cCRT is based on preclinical evidence suggesting that chemotherapy and radiotherapy up-regulate tumoural PD-L1 expression, which has not been shown in clinical studies.

methodsTo examine alteration in tumoural PD-L1 expression (tumour proportion score, TPS) and density of stromal CD8-positive tumour-infiltrating lymphocytes (CD8 + TILs) after cCRT, paired NSCLC samples obtained before and after cCRT were reviewed in comparison with those obtained before and after drug therapy.

resultsPD-L1 expression was significantly up-regulated after cCRT (median TPS, 1.0 at baseline versus 48.0 after cCRT; P < 0.001), but not after drug therapy. There was no significant correlation between baseline TPS and post-cCRT TPS. CD8 + TIL density was significantly increased after cCRT (median, 10.6 versus 39.1; P < 0.001), and higher post-cCRT CD8 + TIL density was associated with a higher pathologic response and with a favourable survival (P = 0.019).

conclusionTumoural PD-L1 expression was up-regulated after cCRT, which provides pathologic rationale for PD-L1 blockade following cCRT to improve prognosis. Stromal CD8 + TIL density was also increased after cCRT, and higher post-cCRT CD8 + TIL density was a favourable prognostic indicator.

Indexed as

Adenocarcinoma of LungAdultAgedAged, 80 and overB7-H1 AntigenBiomarkers, TumorCarcinoma, Non-Small-Cell LungCarcinoma, Squamous CellCD8-Positive T-LymphocytesChemoradiotherapyFemaleFollow-Up StudiesHumansLung NeoplasmsLymphocytes, Tumor-InfiltratingMiddle AgedB7-H1 AntigenBiomarkers, TumorCD274 protein, human

Identifiers

PMID31388183
PMCPMC6738061
OpenAlexW2965190971

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.