Evidence map›Paper›PMID 36582458›Full record

Trial reportInternational journal of nanomedicine2022

Proof of Concept of the Radiosensitizing Effect of Gadolinium Oxide Nanoparticles in Cell Spheroids and a Tumor-Implanted Murine Model of Chondrosarcoma.

Marie-Thérèse Aloy, Jacqueline Sidi Boumedine, Agathe Deville, David Kryza, Arnaud Gauthier, Delphine Brichart-Vernos, Grégoire Ollier, Veronica La Padula, François Lux, Olivier Tillement and 2 more

Open access · goldAbstract readClinical Trial, Phase IIRandomized Controlled Trial
In one paragraph

Trial report in International journal of nanomedicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
1.5field-weighted citation impact, top 16% 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

11 citing papers in PubMed, 10 citations in OpenAlex.

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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

12 authors at 1 institution in 1 country.

Marie-Thérèse Aloy *Laboratory of Cellular and Molecular Radiobiology, UMR CNRS5822/IP2I, Lyon-Sud Medical School, Univ Lyon, Lyon 1 University, Oullins, France.
Jacqueline Sidi Boumedine *CNRS, LAGEPP, UMR5007, IMTHERNAT, Lyon 1 University, Hospital Edouard Herriot, Lyon, France.
Agathe DevilleCNRS, LAGEPP, UMR5007, IMTHERNAT, Lyon 1 University, Hospital Edouard Herriot, Lyon, France.
David KryzaCNRS, LAGEPP, UMR5007, IMTHERNAT, Lyon 1 University, Hospital Edouard Herriot, Lyon, France.
Arnaud GauthierLaboratory of Cellular and Molecular Radiobiology, UMR CNRS5822/IP2I, Lyon-Sud Medical School, Univ Lyon, Lyon 1 University, Oullins, France.
Delphine Brichart-VernosLaboratory of Cellular and Molecular Radiobiology, UMR CNRS5822/IP2I, Lyon-Sud Medical School, Univ Lyon, Lyon 1 University, Oullins, France.
Grégoire OllierLaboratory of Cellular and Molecular Radiobiology, UMR CNRS5822/IP2I, Lyon-Sud Medical School, Univ Lyon, Lyon 1 University, Oullins, France.
Veronica La PadulaLight Matter Institut UMR CNRS 5306, Lyon 1 University, Villeurbanne, France.
François LuxLight Matter Institut UMR CNRS 5306, Lyon 1 University, Villeurbanne, France.
Olivier TillementLight Matter Institut UMR CNRS 5306, Lyon 1 University, Villeurbanne, France.
Claire Rodriguez-Lafrasse *Laboratory of Cellular and Molecular Radiobiology, UMR CNRS5822/IP2I, Lyon-Sud Medical School, Univ Lyon, Lyon 1 University, Oullins, France.
Marc Janier *CNRS, LAGEPP, UMR5007, IMTHERNAT, Lyon 1 University, Hospital Edouard Herriot, Lyon, France.ORCID 0000-0001-5937-9180
Université Claude Bernard Lyon 1 · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: Chondrosarcomas (CHSs), which represent 20% of primary bone tumors in adults, are mostly resistant to radio- and chemotherapy. It is therefore essential that new therapeutic approaches, targeted to the tumour, be developed to improve the prognosis of patients. The effectiveness, as a radiosensitizing agent, of gadolinium oxide nanoparticles (GdoNP, AGuIX Methods: Spheroids from SW1353 and HEMC-SS cells were characterized by confocal microscopy with or without GdoNP treatment. Real-time microscopy enabled quantification of cell viability, cell migration and invasion. In vivo, the efficacy of the association of GdoNP combined with a single (4Gy) or fractionated (4x1Gy) irradiation was evaluated in HEMC-SS tumor-bearing mice by monitoring tumor growth, mouse survival and gene expression profile. Results: The expression of proteoglycans in the extra-cellular matrix (ECM) of spheroids demonstrated the relevance of the 3-D model. The combination of GdoNP with single or fractionated irradiation increased the lethal effects of irradiation on 2-D- and 3-D-cultured cells. In vivo, a single or a fractionated dose of 4 Gy associated with IT or IV injection of GdoNP decreased tumor growth significantly. Only IT injection increased mice survival. Unexpectedly, the radiosensitizing effect of GdoNP was associated, in vitro, with a significant decrease in invasion-migration capacities and, in vivo, with the decreased expression of PTX3, a protein involved in the epithelial-to-mesenchymal transition process, suggesting a potential impact of GdoNP on metastasis formation. Conclusion: These results provide the first proof of concept of the radiosensitizing effect of GdoNP in CHSs and opened the way for a multicentre, randomized Phase 2 trial evaluating the association of GdoNP with radiotherapy for the therapeutic management of patients with symptomatic inoperable musculoskeletal tumor lesions.

Indexed as

Bone NeoplasmsChondrosarcomaNanoparticlesRadiation-Sensitizing AgentsAnimalsCell Line, TumorDisease Models, AnimalGadoliniumHumansMiceGadoliniumgadolinium oxideRadiation-Sensitizing AgentsAGuIX® nanoparticlechondrosarcomaPTX3radiosensitization

Identifiers

PMID36582458
PMCPMC9793741
OpenAlexW4312117595

What OpenQuestion holds

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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.