Evidence map›Paper›PMID 25144708›Full record

Trial reportPloS one2014

Linear associations between clinically assessed upper motor neuron disease and diffusion tensor imaging metrics in amyotrophic lateral sclerosis.

John H Woo, Sumei Wang, Elias R Melhem, James C Gee, Andrew Cucchiara, Leo McCluskey, Lauren Elman

Open access · goldAbstract readClinical Trial
In one paragraph

Trial report in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed
1.9field-weighted citation impact, top 15% 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

37 citing papers in PubMed, 49 citations in OpenAlex.

  1. Article
  2. Fasciculation in limbs serves as the predictor of ALS progression: an ultrasound study.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2025
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  3. Role of 2-[Journal of neurology · 2025
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  12. Relationship between cerebrospinal fluid/serum albumin quotient and phenotype in amyotrophic lateral sclerosis: a retrospective study on 328 patients.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2023
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  18. NRM 2021 Abstract Booklet.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2021
    Article
  19. Article
  20. Brain diffusion tensor imaging in dogs with degenerative myelopathy.Journal of veterinary internal medicine · 2021
    Article
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 at 2 institutions in 1 country.

John H WooDepartment of Radiology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, United States of America; Philadelphia Veterans Affairs Medical Center, Philadelphia, Pennsylvania, United States of America.
Sumei WangDepartment of Radiology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, United States of America.
Elias R MelhemDepartment of Radiology, University of Maryland, Baltimore, Maryland, United States of America.
James C GeeDepartment of Radiology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, United States of America.
Andrew CucchiaraDepartment of Biostatistics and Epidemiology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, United States of America.
Leo McCluskeyDepartment of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, United States of America.
Lauren ElmanDepartment of Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, United States of America.
University of Pennsylvania · USUniversity of Maryland, Baltimore · US

Funding

Institutional Clinical and Translational Science AwardUL1TR000003 · NCATS · UNIVERSITY OF PENNSYLVANIA · PI FITZGERALD, GARRET A · 2012 to 2015
$38.9M
statistics coreP30NS045839 · NINDS · UNIVERSITY OF PENNSYLVANIA · PI DETRE, JOHN A · 2003 to 2017
$10.1M
TDP-43 Proteinopathies in ALS-DementiaP01AG032953 · NIA · UNIVERSITY OF PENNSYLVANIA · PI LEE, VIRGINIA M · 2010 to 2014
$5.8M
Tract-Specific Analysis of Brain White MatterR01NS065347 · NINDS · UNIVERSITY OF PENNSYLVANIA · PI GEE, JAMES C · 2009 to 2010
$1.2M
Advanced Neuroimages Registration Methods: Effects of Prenatal Cocaine ExposureR01DA022807 · NIDA · UNIVERSITY OF PENNSYLVANIA · PI GEE, JAMES C · 2008 to 2010
$1.1M
Magnetic resonance studies of upper motor neuron disease in ALSR21NS063111 · NINDS · UNIVERSITY OF PENNSYLVANIA · PI WOO, JOHN HASOP · 2009 to 2010
$377k
NCATS NIH HHS UL1 TR000003NCATS NIH HHS UL1TR000003NIA NIH HHS AG032953NIA NIH HHS P01 AG032953NIDA NIH HHS DA022807NIDA NIH HHS R01 DA022807NINDS NIH HHS NS045839NINDS NIH HHS NS063111NINDS NIH HHS NS065347NINDS NIH HHS P30 NS045839NINDS NIH HHS R01 NS065347NINDS NIH HHS R21 NS063111
6 · The paper itself

Abstract

objectiveTo assess the relationship between clinically assessed Upper Motor Neuron (UMN) disease in Amyotrophic Lateral Sclerosis (ALS) and local diffusion alterations measured in the brain corticospinal tract (CST) by a tractography-driven template-space region-of-interest (ROI) analysis of Diffusion Tensor Imaging (DTI).

methodsThis cross-sectional study included 34 patients with ALS, on whom DTI was performed. Clinical measures were separately obtained including the Penn UMN Score, a summary metric based upon standard clinical methods. After normalizing all DTI data to a population-specific template, tractography was performed to determine a region-of-interest (ROI) outlining the CST, in which average Mean Diffusivity (MD) and Fractional Anisotropy (FA) were estimated. Linear regression analyses were used to investigate associations of DTI metrics (MD, FA) with clinical measures (Penn UMN Score, ALSFRS-R, duration-of-disease), along with age, sex, handedness, and El Escorial category as covariates.

resultsFor MD, the regression model was significant (p = 0.02), and the only significant predictors were the Penn UMN Score (p = 0.005) and age (p = 0.03). The FA regression model was also significant (p = 0.02); the only significant predictor was the Penn UMN Score (p = 0.003).

conclusionsMeasured by the template-space ROI method, both MD and FA were linearly associated with the Penn UMN Score, supporting the hypothesis that DTI alterations reflect UMN pathology as assessed by the clinical examination.

Indexed as

Diffusion Tensor ImagingModels, BiologicalAdultAgedAged, 80 and overAge FactorsAmyotrophic Lateral SclerosisFemaleHumansMaleMiddle AgedPyramidal Tracts

Identifiers

PMID25144708
PMCPMC4140827
OpenAlexW2165319055

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.