Evidence map›Paper›PMID 28769825›Full record

ArticleFrontiers in psychiatry2017

A Pilot Study of Possible Easy-to-Use Electrophysiological Index for Early Detection of Antidepressive Treatment Non-Response.

Goded Shahaf, Shahak Yariv, Boaz Bloch, Uri Nitzan, Aviv Segev, Alon Reshef, Yuval Bloch

Abstract read
In one paragraph

Article in Frontiers in psychiatry, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
–field-weighted citation impact
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.

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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

7 authors.

Goded ShahafBrainMARC LTD., Yokneam, Israel.
Shahak YarivPsychiatry Department, Emek Medical Center, Afula, Israel.
Boaz BlochPsychiatry Department, Emek Medical Center, Afula, Israel.
Uri NitzanShalvata Mental Health Center, Hod Hasharon, Israel.
Aviv SegevShalvata Mental Health Center, Hod Hasharon, Israel.
Alon ReshefPsychiatry Department, Emek Medical Center, Afula, Israel.
Yuval BlochShalvata Mental Health Center, Hod Hasharon, Israel.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionThe evaluation of response to pharmacological treatment in MDD requires 4-8 weeks. Therefore, the ability to predict response, and especially lack of response to treatment, as early as possible after treatment onset or change, is of prime significance. Many studies have demonstrated significant results regarding the ability to use EEG and ERP markers, including attention-associated markers such as P300, for early prediction of response to treatment. But these markers are derived from long EEG/ERP samples, often from multiple channels, which render them impractical for frequent sampling. METHODS AND

resultsWe developed a new electrophysiological attention-associated marker from a single channel (two electrodes), using 1-min samples with auditory oddball stimuli. This work presents an initial evaluation of the ability to use this marker's dynamics between repetitive measures for early (<2 weeks) differentiation between responders and non-responders to antidepressive treatment, in 26 patients with various levels of depression and heterogeneous treatment interventions. The slope of change in the marker between early consecutive samples was negative in the non-responders, but not in the responders. This differentiation was stronger for patients suffering from severe depression (

conclusionThis pilot study supports the feasibility of the EEG marker for early recognition of treatment-resistant depression. If verified in large-scale prospective studies, it can contribute to research and clinical work.

Indexed as

attentionbrain engagementdepressionEEGpredictiontreatment

Identifiers

PMID28769825
PMCPMC5513929

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