Evidence map›Paper›PMID 37755633›Full record

Observational studyJournal of neuro-oncology2023

Impact of timing of antiseizure medication withdrawal on seizure recurrence in glioma patients: a retrospective observational study.

Pim B van der Meer, Linda Dirven, Marta Fiocco, Maaike J Vos, Melissa Kerkhof, Mathilde C M Kouwenhoven, Martin J van den Bent, Martin J B Taphoorn, Johan A F Koekkoek

Open access · hybridAbstract readObservational Study
In one paragraph

Observational study in Journal of neuro-oncology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
2.3field-weighted citation impact, top 11% 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

4 citing papers in PubMed, 8 citations in OpenAlex.

  1. Review
  2. Observational
  3. Article
  4. 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 5 institutions in 1 country.

Pim B van der MeerDepartment of Neurology, Leiden University Medical Center, PO BOX 9600, 2300 RC, Leiden, The Netherlands. pbvandermeer@lumc.nl.
Linda DirvenDepartment of Neurology, Leiden University Medical Center, PO BOX 9600, 2300 RC, Leiden, The Netherlands.
Marta FioccoDepartment of Biomedical Data Sciences, Medical Statistics, Leiden University Medical Center, Leiden, The Netherlands.
Maaike J VosDepartment of Neurology, Leiden University Medical Center, PO BOX 9600, 2300 RC, Leiden, The Netherlands.
Melissa KerkhofDepartment of Neurology, Haaglanden Medical Center, The Hague, The Netherlands.
Mathilde C M KouwenhovenDepartment of Neurology, Amsterdam University Medical Center, Amsterdam, The Netherlands.
Martin J van den BentDepartment of Neurology, Erasmus Medical Center, Rotterdam, The Netherlands.
Martin J B TaphoornDepartment of Neurology, Leiden University Medical Center, PO BOX 9600, 2300 RC, Leiden, The Netherlands.
Johan A F KoekkoekDepartment of Neurology, Leiden University Medical Center, PO BOX 9600, 2300 RC, Leiden, The Netherlands.
Medisch Centrum Haaglanden · NLLeiden University Medical Center · NLAmsterdam University Medical Centers · NLErasmus MC · NLLeiden University · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWithdrawal of antiseizure medication treatment (ASM) can be considered after completion of antitumour treatment in glioma patients who no longer suffer from seizures. We compared the risk for recurrent seizures after ASM withdrawal between patients with short-term, medium-term versus long-term seizure freedom after antitumour treatment.

methodsIn this retrospective observational study, the primary outcome was time to recurrent seizure, from the starting date of no ASM treatment up to 36 months follow-up. Cox proportional hazards models were used to study the effect of risk factors on time to recurrent seizure. Stratification was done with information known at baseline. Short-term seizure freedom was defined as ≥ 3 months, but < 12 months; medium-term as 12-24 months; and long-term as ≥ 24 months seizure freedom from the date of last antitumour treatment.

resultsThis study comprised of 109 patients; 31% (34/109) were in the short-term, 29% (32/109) in the medium-term, and 39% (43/109) in the long-term group. A recurrent seizure was experienced by 47% (16/34) of the patients in the short-term, 31% (10/32) in the medium-term, and 44% (19/43) in the long-term group. Seizure recurrence risk was similar between patients in the short-term group as compared to the medium-term (cause-specific adjusted hazard ratio [aHR] = 0.65 [95%CI = 0.29-1.46]) and long-term group (cause-specific aHR = 1.04 [95%CI = 0.52-2.09]).

conclusionsSeizure recurrence risk is relatively similar between patients with short-term, medium-term, and long-term seizure freedom after completion of antitumour treatment.

Indexed as

Epilepsy, GeneralizedGliomaAnticonvulsantsHumansNeoplasm Recurrence, LocalRecurrenceRetrospective StudiesSeizuresAnticonvulsantsAntiepileptic drugBrain tumorGliomaSeizureTreatment failure

Identifiers

PMID37755633
PMCPMC10589365
OpenAlexW4387077288

What OpenQuestion holds

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Registered trials

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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.