Evidence map›Paper›PMID 33394574›Full record

ReviewThe oncologist2020

Leptomeningeal Spread in Glioblastoma: Diagnostic and Therapeutic Challenges.

Cristina Birzu, Suzanne Tran, Franck Bielle, Mehdi Touat, Karima Mokhtari, Nadia Younan, Dimitri Psimaras, Khe Hoang-Xuan, Marc Sanson, Jean-Yves Delattre and 1 more

Open access · bronzeAbstract readReview
In one paragraph

Review in The oncologist, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
45citing papers in PubMed, 2 pooled it
4.6field-weighted citation impact, top 4% 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

45 citing papers in PubMed, 2 syntheses or guidelines pooled it, 61 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

11 authors at 5 institutions in 1 country.

Cristina BirzuSorbonne Université, INSERM, Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) S 1127, Institut du Cerveau et de la Moelle épinière (ICM), Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix Service de Neurologie 2-Mazarin, Paris, France.ORCID 0000-0002-6781-7301
Suzanne TranSorbonne Université, INSERM, Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) S 1127, Institut du Cerveau et de la Moelle épinière (ICM), Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix Service de Neuropathologie-Escourolle, Paris, France.
Franck BielleSorbonne Université, INSERM, Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) S 1127, Institut du Cerveau et de la Moelle épinière (ICM), Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix Service de Neuropathologie-Escourolle, Paris, France.ORCID 0000-0001-6564-6388
Mehdi TouatSorbonne Université, INSERM, Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) S 1127, Institut du Cerveau et de la Moelle épinière (ICM), Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix Service de Neurologie 2-Mazarin, Paris, France.
Karima MokhtariSorbonne Université, INSERM, Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) S 1127, Institut du Cerveau et de la Moelle épinière (ICM), Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix Service de Neuropathologie-Escourolle, Paris, France.
Nadia YounanSorbonne Université, INSERM, Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) S 1127, Institut du Cerveau et de la Moelle épinière (ICM), Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix Service de Neurologie 2-Mazarin, Paris, France.
Dimitri PsimarasSorbonne Université, INSERM, Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) S 1127, Institut du Cerveau et de la Moelle épinière (ICM), Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix Service de Neurologie 2-Mazarin, Paris, France.ORCID 0000-0002-6641-288X
Khe Hoang-XuanSorbonne Université, INSERM, Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) S 1127, Institut du Cerveau et de la Moelle épinière (ICM), Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix Service de Neurologie 2-Mazarin, Paris, France.ORCID 0000-0003-4072-1999
Marc SansonSorbonne Université, INSERM, Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) S 1127, Institut du Cerveau et de la Moelle épinière (ICM), Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix Service de Neurologie 2-Mazarin, Paris, France.ORCID 0000-0003-1131-7858
Jean-Yves DelattreSorbonne Université, INSERM, Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) S 1127, Institut du Cerveau et de la Moelle épinière (ICM), Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix Service de Neurologie 2-Mazarin, Paris, France.ORCID 0000-0003-0469-7864
Ahmed IdbaihSorbonne Université, INSERM, Centre National de la Recherche Scientifique (CNRS), Unité Mixte de Recherche (UMR) S 1127, Institut du Cerveau et de la Moelle épinière (ICM), Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix Service de Neurologie 2-Mazarin, Paris, France.ORCID 0000-0001-5290-1204
Assistance Publique – Hôpitaux de Paris · FRCentre National de la Recherche Scientifique · FRInserm · FRSorbonne Université · FRInstitut du Cerveau · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundGlioblastoma (GBM) is the most common and aggressive primary malignant brain tumor. Leptomeningeal spread (LMS) is a severe complication of GBM, raising diagnostic and therapeutic challenges in clinical routine.

methodsWe performed a review of the literature focused on LMS in GBM. MEDLINE and EMBASE databases were queried from 1989 to 2019 for articles describing diagnosis and therapeutic options in GBM LMS, as well as risk factors and pathogenic mechanisms.

resultsWe retrieved 155 articles, including retrospective series, case reports, and early phase clinical trials, as well as preclinical studies. These articles confirmed that LMS in GBM remains (a) a diagnostic challenge with cytological proof of LMS obtained in only 35% of cases and (b) a therapeutic challenge with a median overall survival below 2 months with best supportive care alone. For patients faced with suggestive clinical symptoms, whole neuroaxis magnetic resonance imaging and cerebrospinal fluid analysis are both recommended. Liquid biopsies are under investigation and may help prompt a reliable diagnosis. Based on the literature, a multimodal and personalized therapeutic approach of LMS, including surgery, radiotherapy, systemic cytotoxic chemotherapy, and intrathecal chemotherapies, may provide benefits to selected patients. Interestingly, molecular targeted therapies appear promising in case of actionable molecular target and should be considered.

conclusionAs the prognosis of glioblastoma is improving over time, LMS becomes a more common complication. Our review highlights the need for translational studies and clinical trials dedicated to this challenging condition in order to improve diagnostic and therapeutic strategies. IMPLICATIONS FOR PRACTICE: This review summarizes the diagnostic tools and applied treatments for leptomeningeal spread, a complication of glioblastoma, as well as their outcomes. The importance of exhaustive molecular testing for molecular targeted therapies is discussed. New diagnostic and therapeutic strategies are outlined, and the need for translational studies and clinical trials dedicated to this challenging condition is highlighted.

Indexed as

Brain NeoplasmsGlioblastomaHumansMagnetic Resonance ImagingPrognosisRetrospective StudiesDiagnosticGlioblastomaLeptomeningeal spreadTreatment

Identifiers

PMID33394574
PMCPMC7648332
OpenAlexW3045066396

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.