Evidence map›Paper›PMID 26933094›Full record

Trial reportPain medicine (Malden, Mass.)2016

Changes in Pain Sensitivity and Pain Modulation During Oral Opioid Treatment: The Impact of Negative Affect.

R R Edwards, A J Dolman, E Michna, J N Katz, S S Nedeljkovic, D Janfaza, Z Isaac, M O Martel, R N Jamison, A D Wasan

Registry-linked trialOpen access · bronzeAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Pain medicine (Malden, Mass.), 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04798469 (Androgen Replacement to Improve Patient-Important Outcomes in Men With Opioid-Induced Hypogonadism), which is not on this map. Cited by 37 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed, 1 pooled it
11.3field-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.

NCT04798469 phase2recruitingnot on this mapstarted 2022, after this paper: background citation

Androgen Replacement to Improve Patient-Important Outcomes in Men With Opioid-Induced Hypogonadism

TypeinterventionalSponsorBrigham and Women's HospitalRan2022 to 2027Enrolled150ConditionsOpioid Use, Pain, Hypogonadism, MaleArmsTestosterone Undecanoate 250 MG/ML, Placebo
3 · Its place in the literature

Who cites it

37 citing papers in PubMed, 1 synthesis or guideline pooled it, 85 citations in OpenAlex.

  1. Pooled it
  2. Trial
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  5. Trial
  6. Article
  7. Article
  8. Article
  9. Article
  10. Targeting Prefrontal Cortex Dysfunction in Pain.The Journal of pharmacology and experimental therapeutics · 2024
    Review
  11. Article
  12. Review
  13. Article
  14. Review
  15. Article
  16. Article
  17. Article
  18. Mechanical Pain Sensitivity in Postamputation Pain.The Clinical journal of pain · 2021
    Article
  19. Article
  20. 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

10 authors at 2 institutions in 1 country.

R R Edwards*Department of Anesthesiology, rredwards@partners.org.
A J Dolman*Department of Anesthesiology.
E Michna*Department of Anesthesiology.
J N KatzDepartment of Internal Medicine and Orthopedic Surgery.
S S Nedeljkovic*Department of Anesthesiology.
D Janfaza*Department of Anesthesiology.
Z IsaacDepartment of Psychiatry, Harvard Medical School, Boston, Massachusetts, and.
M O Martel*Department of Anesthesiology.
R N JamisonDepartment of Anesthesiology and Psychiatry, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA.
A D WasanDepartment of Anesthesiology and Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
Harvard University · USUniversity of Pittsburgh · US

Funding

Biobehavioral Risk Factors for Persistent Pain following Total Knee ArthroplastyR01AG034982 · NIA · BRIGHAM AND WOMEN'S HOSPITAL · PI EDWARDS, ROBERT R · 2010 to 2014
$3.2M
Opioid-induced change in pain sensitivity and modulation: Links to opioid misuseR21DA041020 · NIDA · BRIGHAM AND WOMEN'S HOSPITAL · PI EDWARDS, ROBERT R · 2016 to 2017
$488k
Catastrophizing and Cytokine Responses to Acute Pain in the Rheumatic DiseasesR21AR057920 · NIAMS · BRIGHAM AND WOMEN'S HOSPITAL · PI EDWARDS, ROBERT R · 2010 to 2011
$431k
NIAMS NIH HHS R21 AR057920NIA NIH HHS R01 AG034982NIDA NIH HHS R21 DA041020
6 · The paper itself

Abstract

objectiveOpioids are frequently prescribed for chronic low back pain (CLBP), but there are broad individual differences in the benefits and risks of opioid therapy, including the development opioid-induced hyperalgesia. This study examined quantitative sensory testing (QST) data among a group of CLBP patients undergoing sustained oral opioid treatment. We investigated whether individual differences in psychological characteristics were related to opioid-induced changes in pain perception and pain modulation.

designThe six-month, open-label trial evaluated patients with low to high levels of negative affect (e.g., symptoms of distress, depression and anxiety); participants underwent QST at baseline (prior to initiating treatment) and during oral opioid treatment.

settingA chronic pain management center. PATIENTS: The 31 study participants had chronic discogenic back pain, with a pain intensity rating >3/10. Participants were divided into groups with high vs. low levels of Negative Affect (NA).

resultsIn the previously-published manuscript describing the clinical outcomes of the trial, high NA patients achieved only about half of the analgesic effect observed in the low NA group (Wasan AD, Michna E, Edwards RR, et al. Psychiatric comorbidity is associated prospectively with diminished opioid analgesia and increased opioid misuse in patients with chronic low back pain. Anesthesiology 2015;123:861-72). The QST findings reported here suggested that tolerance to experimental (cold pressor) pain and conditioned pain modulation tended to decrease in the high NA group over the course of opioid treatment, while temporal summation of mechanical pain declined in the low NA group.

conclusionsThese results reveal that while the low NA group seemed to exhibit a generally adaptive, analgesic pattern of changes during opioid management, the high NA group showed a pattern more consistent with opioid-induced hyperalgesic processes. A greater susceptibility to hyperalgesia-promoting changes in pain modulation among patients with high levels of distress may contribute to a lower degree of benefit from opioid treatment in high NA patients.

Indexed as

PessimismAdministration, OralAdultAgedAnalgesics, OpioidBack PainChronic PainFemaleHumansMaleMiddle AgedPain MeasurementPain ThresholdProspective StudiesTreatment OutcomeAnalgesics, OpioidCatastrophizingChronic Low Back PainConditioned Pain ModulationNegative Affect OpioidsQuantitative Sensory TestingTemporal Summation

Identifiers

PMID26933094
PMCPMC5063023
OpenAlexW2292656475

What OpenQuestion holds

Textmetadata
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.