Evidence map›Paper›PMID 34475850›Full record

ArticleFrontiers in endocrinology2021

FGF-Receptors and PD-L1 in Anaplastic and Poorly Differentiated Thyroid Cancer: Evaluation of the Preclinical Rationale.

Pia Adam, Stefan Kircher, Iuliu Sbiera, Viktoria Florentine Koehler, Elke Berg, Thomas Knösel, Benjamin Sandner, Wiebke Kristin Fenske, Hendrik Bläker, Constantin Smaxwil and 8 more

Abstract read
In one paragraph

Article in Frontiers in endocrinology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed, 1 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

30 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  12. Reimagining the Therapeutic Approach for Anaplastic Thyroid Cancer: The Roadmap to a Cure.Thyroid : official journal of the American Thyroid Association · 2025
    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

18 authors.

Pia AdamDepartment of Internal Medicine I, Division of Endocrinology/Diabetology, University of Würzburg, Würzburg, Germany.
Stefan KircherInstitute of Pathology Würzburg, University of Würzburg, Würzburg, Germany.
Iuliu SbieraDepartment of Internal Medicine I, Division of Endocrinology/Diabetology, University of Würzburg, Würzburg, Germany.
Viktoria Florentine KoehlerDepartment of Internal Medicine IV, University Hospital of Munich, LMU Munich, Munich, Germany.
Elke BergDepartment of Internal Medicine IV, University Hospital of Munich, LMU Munich, Munich, Germany.
Thomas KnöselInstitute of Pathology LMU, University Hospital of Munich, LMU Munich, Munich, Germany.
Benjamin SandnerDepartment of Internal Medicine III, University Hospital of Leipzig, Leipzig, Germany.
Wiebke Kristin FenskeDepartment of Internal Medicine III, University Hospital of Leipzig, Leipzig, Germany.
Hendrik BläkerInstitute of Pathology Leipzig, University Hospital of Leipzig, Leipzig, Germany.
Constantin SmaxwilDepartment of Endocrine Surgery, Diakonie-Klinikum Stuttgart, Stuttgart, Germany.
Andreas ZielkeDepartment of Endocrine Surgery, Diakonie-Klinikum Stuttgart, Stuttgart, Germany.
Bence SiposMedical Oncology and Pulmonology, University Hospital, Tübingen, Germany.
Stephanie AlleleinDivision for Specific Endocrinology, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany.
Matthias SchottDivision for Specific Endocrinology, Medical Faculty, University of Düsseldorf, Düsseldorf, Germany.
Christine DierksDepartment of Internal Medicine IV, Division of Oncology and Hematology, University of Halle (Saale), Halle (Saale), Germany.
Christine SpitzwegDepartment of Internal Medicine IV, University Hospital of Munich, LMU Munich, Munich, Germany.
Martin FassnachtDepartment of Internal Medicine I, Division of Endocrinology/Diabetology, University of Würzburg, Würzburg, Germany.
Matthias KroissDepartment of Internal Medicine I, Division of Endocrinology/Diabetology, University of Würzburg, Würzburg, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Treatment options for poorly differentiated (PDTC) and anaplastic (ATC) thyroid carcinoma are unsatisfactory and prognosis is generally poor. Lenvatinib (LEN), a multi-tyrosine kinase inhibitor targeting fibroblast growth factor receptors (FGFR) 1-4 is approved for advanced radioiodine refractory thyroid carcinoma, but response to single agent is poor in ATC. Recent reports of combining LEN with PD-1 inhibitor pembrolizumab (PEM) are promising. Materials and Methods: Primary ATC (n=93) and PDTC (n=47) tissue samples diagnosed 1997-2019 at five German tertiary care centers were assessed for PD-L1 expression by immunohistochemistry using Tumor Proportion Score (TPS). FGFR 1-4 mRNA was quantified in 31 ATC and 14 PDTC with RNAscope Results: PD-L1 TPS≥50% was observed in 42% of ATC and 26% of PDTC specimens. Mean PD-L1 expression was significantly higher in ATC (TPS 30%) than in PDTC (5%; p<0.01) and NT (0%, p<0.001). 53% of PDTC samples had PD-L1 expression ≤5%. FGFR mRNA expression was generally low in all samples but combined FGFR1-4 expression was significantly higher in PDTC and ATC compared to NT (each p<0.001). No impact of PD-L1 and FGFR 1-4 expression was observed on DSS. Conclusion: High tumoral expression of PD-L1 in a large proportion of ATCs and a subgroup of PDTCs provides a rationale for immune checkpoint inhibition. FGFR expression is low thyroid tumor cells. The clinically observed synergism of PEM with LEN may be caused by immune modulation.

Indexed as

AdolescentAdultAgedAged, 80 and overAntibodies, Monoclonal, HumanizedAntineoplastic AgentsAntineoplastic Agents, ImmunologicalB7-H1 AntigenDrug Evaluation, PreclinicalFemaleGermanyHumansMaleMiddle AgedPhenylurea CompoundsQuinolinesAntibodies, Monoclonal, HumanizedAntineoplastic AgentsAntineoplastic Agents, ImmunologicalB7-H1 AntigenCD274 protein, humanlenvatinibpembrolizumabPhenylurea CompoundsQuinolinesReceptors, Fibroblast Growth FactorRNA, MessengerFGFRimmune checkpoint inhibitor (ICI)immunohistochemistryimmunotherapyPD-L1tyrosine kinase inhibitor (TKI)

Identifiers

PMID34475850
PMCPMC8406771

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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.