Evidence map›Paper›PMID 23233537›Full record

ArticleNeuro-oncology2013

Levetiracetam improves verbal memory in high-grade glioma patients.

Marjolein de Groot, Linda Douw, Eefje M Sizoo, Ingeborg Bosma, Femke E Froklage, Jan J Heimans, Tjeerd J Postma, Martin Klein, Jaap C Reijneveld

Open access · bronzeAbstract readComparative Study
In one paragraph

Article in Neuro-oncology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed, 2 pooled it
3.3field-weighted citation impact, top 7% 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

26 citing papers in PubMed, 2 syntheses or guidelines pooled it, 71 citations in OpenAlex.

  1. Management of epilepsy in brain tumors.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2019
    Guideline
  2. Pooled it
  3. Seizure prophylaxis in glioma surgery: a synopsis from the SPRING RCT.Health technology assessment (Winchester, England) · 2026
    Trial
  4. Trial
  5. Article
  6. Review
  7. Epilepsy in Patients with Gliomas.Neurologia medico-chirurgica · 2024
    Review
  8. Article
  9. Article
  10. Article
  11. Review
  12. Review
  13. Article
  14. Article
  15. Review
  16. Article
  17. Article
  18. Review
  19. Review
  20. Epilepsy and brain tumors.Handbook of clinical neurology · 2016
    Review
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 at 3 institutions in 1 country.

Marjolein de GrootDepartment of Neurology, VU University Medical Center, P.O. Box 7057 1007 MB Amsterdam, The Netherlands. marjolein.degroot@vumc.nl
Linda Douw
Eefje M Sizoo
Ingeborg Bosma
Femke E Froklage
Jan J Heimans
Tjeerd J Postma
Martin Klein
Jaap C Reijneveld
Stichting Epilepsie Instellingen Nederland · NLAcademic Medical Center · NLAmsterdam UMC Location VUmc · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundTreatment of high-grade glioma (HGG) patients with anti-epileptic drugs (AEDs) has met with various side effects, such as cognitive deterioration. The cognitive effects of both older and newer AEDs in HGG patients are largely unknown. The aim of this study was to determine the effect of older and newer AEDs on cognitive performance in postoperative HGG patients.

methodsWe selected HGG patients from 3 separate cohorts for use of older, newer, or no AEDs, as they represented distinct treatment eras and provided the opportunity to compare older and newer AEDs. In all 3 cohorts, patients were included within 6 weeks following neurosurgery before the start of postoperative treatment. Cognitive functioning was evaluated by an extensive neuropsychological assessment, executed in 6 cognitive domains (attention, executive functioning, verbal memory, working memory, psychomotor functioning, and information processing speed).

resultsOne hundred seventeen patients met the inclusion criteria; 44 patients used no AED, 35 were on monotherapy with a newer AED (all levetiracetam), and 38 were on monotherapy with an older AED (valproic acid or phenytoin). Patients on older and newer AEDs performed equally well as patients not on an AED, and patients on levetiracetam performed even better on verbal memory tests than patients not on an AED. Post-hoc analyses revealed that within the group using older AEDs, patients on valproic acid performed better than patients on phenytoin.

conclusionsNeither levetiracetam nor valproic acid was associated with additional cognitive deficits in HGG patients. Both AEDs even appeared to have a beneficial effect on verbal memory in these patients.

Indexed as

AdolescentAdultAgedAnticonvulsantsBrain NeoplasmsCognition DisordersFemaleGliomaHumansLevetiracetamMaleMemory DisordersMiddle AgedNeoplasm GradingNeuropsychological TestsPiracetamAnticonvulsantsLevetiracetamPiracetam

Identifiers

PMID23233537
PMCPMC3548582
OpenAlexW2122818371

What OpenQuestion holds

Textmetadata
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.