Evidence map›Paper›PMID 31152179›Full record

ReviewPain medicine (Malden, Mass.)2019

Unique Characteristics of the Dorsal Root Ganglion as a Target for Neuromodulation.

Michael F Esposito, Rudy Malayil, Michael Hanes, Timothy Deer

Registry-linked trialOpen access · hybridAbstract readReview
In one paragraph

Review in Pain medicine (Malden, Mass.), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04727216 (Intermittent Dorsal Root Ganglion Stimulation Dosing Comparison to Standard Continuous Dosing in Treating Chronic Pain), which is not on this map. Cited by 119 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
119citing papers in PubMed, 3 pooled it
28.2field-weighted citation impact, top 1% 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.

NCT04727216 naactive not recruitingnot on this mapstarted 2021, after this paper: background citation

Intermittent Dorsal Root Ganglion Stimulation Dosing Comparison to Standard Continuous Dosing in Treating Chronic Pain

TypeinterventionalSponsorSpine and Pain Institute of New YorkRan2021 to 2021Enrolled15ConditionsPain, Intractable, Pain, ChronicArmsDorsal Root Ganglion Stimulation (DRG-S)
3 · Its place in the literature

Who cites it

119 citing papers in PubMed, 3 syntheses or guidelines pooled it, 219 citations in OpenAlex.

  1. Pooled it
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  3. Implanted spinal neuromodulation interventions for chronic pain in adults.The Cochrane database of systematic reviews · 2021
    Pooled it
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  19. Peripheral Gating of Nociception Investigated with a Decerebrate, Arterially Perfused Preparation of the Rat.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025
    Article
  20. Article

59 more citing papers are in PubMed but not listed here.

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

4 authors at 2 institutions in 1 country.

Michael F EspositoFlorida Pain Institute, Melbourne, Florida.
Rudy MalayilSt. Mary's Pain Relief Specialists, Huntington, West Virginia.
Michael HanesJax Spine and Pain Centers, Jacksonville, Florida.
Timothy DeerThe Spine and Nerve Center of the Virginias, Charleston, West Virginia, USA.
Florida Pain Institute · USThe Spine & Nerve Centers of the Virginias · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThe dorsal root ganglion (DRG) is a novel target for neuromodulation, and DRG stimulation is proving to be a viable option in the treatment of chronic intractable neuropathic pain. Although the overall principle of conventional spinal cord stimulation (SCS) and DRG stimulation-in which an electric field is applied to a neural target with the intent of affecting neural pathways to decrease pain perception-is similar, there are significant differences in the anatomy and physiology of the DRG that make it an ideal target for neuromodulation and may account for the superior outcomes observed in the treatment of certain chronic neuropathic pain states. This review highlights the anatomy of the DRG, its function in maintaining homeostasis and its role in neuropathic pain, and the unique value of DRG as a target in neuromodulation for pain.

methodsA narrative literature review was performed.

resultsOverall, the DRG is a critical structure in sensory transduction and modulation, including pain transmission and the maintenance of persistent neuropathic pain states. Unique characteristics including selective somatic organization, specialized membrane characteristics, and accessible and consistent location make the DRG an ideal target for neuromodulation. Because DRG stimulation directly recruits the somata of primary sensory neurons and harnesses the filtering capacity of the pseudounipolar neural architecture, it is differentiated from SCS, peripheral nerve stimulation, and other neuromodulation options.

conclusionsThere are several advantages to targeting the DRG, including lower energy usage, more focused and posture-independent stimulation, reduced paresthesia, and improved clinical outcomes.

Indexed as

Chronic PainElectric Stimulation TherapyGanglia, SpinalHumansNeuralgiaChronic PainDorsal Root Ganglion StimulationDRG StimulationNeuromodulationNeuropathic PainNeurostimulationPain ManagementSpinal Cord Stimulation

Identifiers

PMID31152179
PMCPMC6544557
OpenAlexW2947321543

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

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.