Evidence map›Paper›PMID 40042668›Full record

ArticleEuropean archives of psychiatry and clinical neuroscience2025

Higher neutrophil-lymphocyte ratio predicts poor response to repetetive transcranial magnetic stimulation(rTMS) in treatment resistant depression.

Buket Koparal, Havva Nur Temizkan, Muhammed Hakan Aksu, Rukiye Filiz Karadağ

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Article in European archives of psychiatry and clinical neuroscience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

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0cells of the map it votes in
3citing papers in PubMed
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1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Buket KoparalGazi University Faculty of Medicine, Gazi Universitesi Tip Fakultesi, Ankara, Türkiye. buketsevinc@gazi.edu.tr.ORCID http://orcid.org/0000-0003-1874-270X
Havva Nur TemizkanGazi University Faculty of Medicine, Gazi Universitesi Tip Fakultesi, Ankara, Türkiye.
Muhammed Hakan AksuGazi University Faculty of Medicine, Gazi Universitesi Tip Fakultesi, Ankara, Türkiye.
Rukiye Filiz KaradağGazi University Faculty of Medicine, Gazi Universitesi Tip Fakultesi, Ankara, Türkiye.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Repetitive transcranial magnetic stimulation (rTMS) has emerged as a noninvasive therapy for treatment resistant depression (TRD). The results of studies on the mechanism of rTMS and the predictive parameters for determining which patients will respond to rTMS are inconclusive. This study aims to investigate the relationship between pre-treatment systemic inflammatory markers and the response to rTMS in TRD patients. We retrospectively reviewed 86 patients with TRD who received 10 Hz rTMS to the left dorsolateral prefrontal cortex (DLPFC) at Gazi University between June 2017 and June 2023. Inflammatory markers, including neutrophil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), and systemic immune-inflammatory index (SII), were evaluated. Treatment response was assessed using the Montgomery-Åsberg Depression Rating Scale (MADRS), with a ≥50% reduction in MADRS score and a score ≤8 at the end of treatment considered as a positive response. Patients divided in to two groups accoording to rTMS response. 53 patients were responders and 33 patients were non-responders. Significant differences in inflammatory parameters were observed, with non-responders showing higher NLR (p=0.001), PLR (p=0.008), and SII (p=0.002) values. Logistic regression analysis revealed that higher NLR was significantly associated with a poorer response to rTMS (OR=0.373, p=0.022). Additionally, early improvement in MADRS score in the first week predicted overall treatment outcome (OR=1.070, p<0.001). Our findings suggest that systemic inflammation plays a role in TRD and that higher pre-treatment NLR is associated with a poorer response to rTMS. Largerscale studies are needed to further understand the mechanisms and improve treatment strategies for TRD patients.

Indexed as

Depressive Disorder, Treatment-ResistantDorsolateral Prefrontal CortexInflammationLymphocytesNeutrophilsOutcome Assessment, Health CareTranscranial Magnetic StimulationAdultAgedFemaleHumansMaleMiddle AgedRetrospective Studies

Identifiers

PMID40042668
PMCPMC12638401

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