Evidence map›Paper›PMID 24664210›Full record

ArticlePloS one2014

Off-label use of sodium valproate for schizophrenia.

Einav Horowitz, Lisa Carroll Bergman, Charna Ashkenazy, Irit Moscona-Hurvitz, Haya Grinvald-Fogel, Racheli Magnezi

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 pooled it
4.6field-weighted citation impact, top 6% 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

14 citing papers in PubMed, 1 synthesis or guideline pooled it, 38 citations in OpenAlex.

  1. Pooled it
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  4. Off-label use of antidepressants, antipsychotics, and mood-stabilizers in psychiatry.Journal of neural transmission (Vienna, Austria : 1996) · 2022
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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

6 authors at 4 institutions in 1 country.

Einav HorowitzIsraeli Center for Technology Assessment in Health Care, Gertner Institute, Haim Sheba Medical Center, Ramat Gan, Israel.
Lisa Carroll BergmanPublic Health and Health Systems Management Program, Bar Ilan University, Ramat Gan, Israel.
Charna AshkenazyYehuda Abarbanel Mental Health Center, Bat Yam, Israel.
Irit Moscona-HurvitzTeva Pharmaceutical Industries, Ltd., Petach Tikva, Israel.
Haya Grinvald-FogelPublic Health and Health Systems Management Program, Bar Ilan University, Ramat Gan, Israel.
Racheli MagneziPublic Health and Health Systems Management Program, Bar Ilan University, Ramat Gan, Israel.
Bar-Ilan University · ILSheba Medical Center · ILTeva Pharmaceuticals (Israel) · ILYehuda Abarbanel Mental Health Center · IL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundOff-label use of a drug not according to its regulatory labeling has become common in medicine, especially in the field of psychiatry. Mood stabilizers are intended to be used to attenuate mood fluctuations in bipolar disorder, but their use has spread to patients with schizophrenia, as it provides greater control of impulsivity and aggressiveness. Sodium valproate is one of the most frequently used mood stabilizers in psychiatry. This study determined the prevalence of off-label use of sodium valproate for schizophrenia and schizoaffective disorder in Abarbanel Psychiatric Hospital and the demographic and clinical characteristics associated with its use.

methodsRetrospective study of patients hospitalized in 2011-2012 with a diagnosis of schizophrenia or schizoaffective disorder in one of three general psychiatric wards.

resultsValproate use was significantly lower in the geriatric group (11.6% vs. 20.1%, chi square  = 4.7, p = .03), in patients with schizophrenia (14.1% vs. schizoaffective disorder (35.2%), chi square  = 29, p<.001) and in patients receiving both atypical and typical antipsychotics (23.3% vs. 16.4%, p = .04). In multivariate logistic regression analysis, diagnosis and the combination of atypical and typical antipsychotics predicted the use of sodium valproate. The number of other medications prescribed did not predict sodium valproate use.

conclusionsOff-label use of sodium valproate in psychiatric patients with schizophrenia or schizoaffective disorder is extensive, especially in younger patients and those with schizoaffective disorder. More research is needed to determine whether it is being prescribed appropriately.

Indexed as

AdolescentAdultAgedAged, 80 and overFemaleHospitals, PsychiatricHumansMaleMiddle AgedOff-Label UseRetrospective StudiesSchizophreniaValproic AcidYoung AdultValproic Acid

Identifiers

PMID24664210
PMCPMC3963914
OpenAlexW1976820388

What OpenQuestion holds

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LicenceCC BY
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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.