Evidence map›Paper›PMID 33546181›Full record

ReviewMolecules (Basel, Switzerland)2021

Injectable Capsaicin for the Management of Pain Due to Osteoarthritis.

James N Campbell, Randall Stevens, Peter Hanson, James Connolly, Diana S Meske, Man-Kyo Chung, Benedict Duncan X Lascelles

Open access · goldAbstract readReview
In one paragraph

Review in Molecules (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
3.2field-weighted citation impact, top 7% 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

20 citing papers in PubMed, 35 citations in OpenAlex.

  1. Review
  2. Review
  3. Review
  4. Review
  5. Review
  6. Review
  7. Review
  8. Article
  9. Review
  10. Review
  11. Review
  12. Review
  13. Review
  14. Review
  15. Review
  16. Recent Progress in Gels for Neuropathic Pain.Gels (Basel, Switzerland) · 2023
    Review
  17. Foods (Basel, Switzerland) · 2023
    Review
  18. Review
  19. The Utility ofInternational journal of environmental research and public health · 2022
    Review
  20. TRPV1 in Pain and Itch.Advances in experimental medicine and biology · 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 4 institutions in 1 country.

James N CampbellCentrexion Therapeutics, Boston, MA 02109, USA.
Randall StevensCentrexion Therapeutics, Boston, MA 02109, USA.
Peter HansoneGenesis, Cambridge, MA 02139, USA.
James ConnollyCentrexion Therapeutics, Boston, MA 02109, USA.
Diana S MeskeCentrexion Therapeutics, Boston, MA 02109, USA.
Man-Kyo ChungCenter to Advance Chronic Pain Research, Program in Neuroscience, The Department of Neural and Pain Sciences, School of Dentistry, University of Maryland, Baltimore, MD 21201, USA.ORCID 0000-0001-7637-1148
Benedict Duncan X LascellesTranslational Research in Pain (TRiP) Program, Comparative Pain Research and Education Centre, Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27606, USA.ORCID 0000-0002-2950-9009
Centrexion Therapeutics (United States) · USGenesis Foundation · USNorth Carolina State University · USUniversity of Maryland, Baltimore · US

Funding

Novel, Non-Opioid, Non-Addictive Intrathecal Therapy for the Treatment of Chronic PainUH3NS123965 · NINDS · CENTREXION THERAPEUTICS CORPORATION · PI CAMPBELL, JAMES N · 2023 to 2024
$6.6M
Novel, Non-Opioid, Non-Addictive Intrathecal Therapy for the Treatment of Chronic PainUG3NS123965 · NINDS · CENTREXION THERAPEUTICS CORPORATION · PI CAMPBELL, JAMES N · 2021 to 2021
$2.1M
NINDS NIH HHS UG3 NS123965NINDS NIH HHS UH3 NS123965
6 · The paper itself

Abstract

Capsaicin is a potent agonist of the TRPV1 channel, a transduction channel that is highly expressed in nociceptive fibers (pain fibers) throughout the peripheral nervous system. Given the importance of TRPV1 as one of several transduction channels in nociceptive fibers, much research has been focused on the potential therapeutic benefits of using TRPV1 antagonists for the management of pain. However, an antagonist has two limitations. First, an antagonist in principle generally only affects one receptor. Secondly, most antagonists must have an ongoing presence on the receptor to have an effect. Capsaicin overcomes both liabilities by disrupting peripheral terminals of nociceptive fibers that express TRPV1, and thereby affects all of the potential means of activating that pain fiber (not just TRPV1 function). This disruptive effect is dependent on the dose and can occur within minutes. Thus, unlike a typical receptor antagonist, continued bioavailability at the level of the receptor is not necessary. By disrupting the entire terminal of the TRPV1-expressing nociceptive fiber, capsaicin blocks all the activation mechanisms within that fiber, and not just TRPV1 function. Topical capsaicin, an FDA approved treatment for neuropathic pain, addresses pain from abnormal nociceptor activity in the superficial layers of the skin. Effects after a single administration are evident over a period of weeks to months, but in time are fully reversible. This review focuses on the rationale for using capsaicin by injection for painful conditions such as osteoarthritis (OA) and provides an update on studies completed to date.

Indexed as

AnimalsCapsaicinHumansNeuralgiaNociceptorsOsteoarthritisTRPV Cation ChannelsCapsaicinTRPV1 protein, humanTRPV Cation Channelscoolingdefunctionalizationdisruptionintra-articularkneenociceptive fibernociceptorprimary afferentTRPV1

Identifiers

PMID33546181
PMCPMC7913147
OpenAlexW3128605029

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.