Evidence map›Paper›PMID 35869813›Full record

SynthesisPain practice : the official journal of World Institute of Pain2023

Circadian pain patterns in human pain conditions - A systematic review.

Nebojsa Nick Knezevic, Anthony Nader, Iulia Pirvulescu, Aby Pynadath, Behnoosh B Rahavard, Kenneth D Candido

Open access · hybridAbstract readSystematic Review
In one paragraph

Synthesis in Pain practice : the official journal of World Institute of Pain, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 3 pooled it
4.8field-weighted citation impact, top 4% 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

27 citing papers in PubMed, 3 syntheses or guidelines pooled it, 34 citations in OpenAlex.

  1. Pooled it
  2. Circadian pain patterns in human pain conditions - A systematic review.Pain practice : the official journal of World Institute of Pain · 2023
    Pooled it
  3. Pooled it
  4. Trial
  5. Trial
  6. Review
  7. Article
  8. Article
  9. Review
  10. Article
  11. The interplay of circadian rhythms and cancer pain: a narrative review.Journal of anesthesia, analgesia and critical care · 2026
    Review
  12. Article
  13. Rethinking Measurement of Movement-Evoked Pain with Digital Technology.medRxiv : the preprint server for health sciences · 2025
    Article
  14. Article
  15. Article
  16. Article
  17. Review
  18. Review
  19. Review
  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

6 authors at 2 institutions in 1 country.

Nebojsa Nick KnezevicDepartment of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, Illinois, USA.ORCID 0000-0001-8028-1495
Anthony NaderDepartment of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, Illinois, USA.
Iulia PirvulescuDepartment of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, Illinois, USA.
Aby PynadathDepartment of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, Illinois, USA.
Behnoosh B RahavardDepartment of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, Illinois, USA.
Kenneth D CandidoDepartment of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, Illinois, USA.
Advocate Illinois Masonic Medical Center · USIllinois College · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundChronobiology is the science of how physiological processes in the body follow a pattern of time. Pain has been shown to follow a circadian rhythm, with different types of pain having variable expression along this rhythm.

objectiveThis article reviews the nature of diurnal variations in pain along with a discussion of the mechanisms of circadian rhythm of pain. EVIDENCE REVIEW: We conducted a literature search on the PubMed and Google Scholar electronic databases, through April 2022. Publications were screened for English language, full-text availability, and human subjects. Randomized controlled trials and observational trials were included. Data were extracted from studies on patients with acute or chronic pain phenotypes, which provide pain severity data and corresponding diurnal time points.

findingsThe literature search led to the inclusion of 39 studies. A circadian pattern of pain was found to be present in nociceptive, neuropathic, central, and mixed pain states. Postoperative pain, fibromyalgia, trigeminal neuralgia, and migraines were associated with higher pain scores in the morning. Temporomandibular joint pain, neuropathic pain, labor pain, biliary colic, and cluster headaches increased throughout the day to reach a peak in the evening or night. Arthritis and cancer pain were not associated with any circadian rhythmicity. Furthermore, the circadian rhythm of pain was not found to be altered in patients on analgesics.

conclusionThe results of this review suggest that an understanding of diurnal variation may help improve therapeutic strategies in pain management, for instance through analgesic titration.

Indexed as

Chronic PainFibromyalgiaNeuralgiaTrigeminal NeuralgiaAnalgesicsFemaleHumansPregnancyAnalgesicsacute painanalgesiachronic painchronobiologycircadian rhythm

Identifiers

PMID35869813
PMCPMC10086940
OpenAlexW4286697191

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.