Evidence map›Paper›PMID 32271538›Full record

ArticleACS chemical neuroscience2020

Evaluation of a Dual Fentanyl/Heroin Vaccine on the Antinociceptive and Reinforcing Effects of a Fentanyl/Heroin Mixture in Male and Female Rats.

E Andrew Townsend, Paul T Bremer, Kaycee E Faunce, S Stevens Negus, Alaina M Jaster, Hannah L Robinson, Kim D Janda, Matthew L Banks

Abstract read
In one paragraph

Article in ACS chemical neuroscience, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
2.8field-weighted citation impact, top 9% 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

24 citing papers in PubMed, 34 citations in OpenAlex.

  1. Demand for heroin in rats: effects of non-drug alternative substitutes and complements.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2025
    Article
  2. Article
  3. Article
  4. Article
  5. Review
  6. Article
  7. Opioid-Based Haptens: Development of Immunotherapy.International journal of molecular sciences · 2024
    Review
  8. Article
  9. Article
  10. Article
  11. Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. 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

8 authors at 2 institutions in 1 country.

E Andrew TownsendDepartment of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia 23298, United States.ORCID 0000-0002-7139-3273
Paul T BremerDepartments of Chemistry and Immunology and Microbial Science, Skaggs Institute for Chemical Biology, Worm Institute for Research and Medicine, The Scripps Research Institute, La Jolla, California 92037, United States.
Kaycee E FaunceDepartment of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia 23298, United States.
S Stevens NegusDepartment of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia 23298, United States.
Alaina M JasterDepartment of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia 23298, United States.
Hannah L RobinsonDepartment of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia 23298, United States.
Kim D JandaDepartments of Chemistry and Immunology and Microbial Science, Skaggs Institute for Chemical Biology, Worm Institute for Research and Medicine, The Scripps Research Institute, La Jolla, California 92037, United States.ORCID 0000-0001-6759-4227
Matthew L BanksDepartment of Pharmacology and Toxicology, Virginia Commonwealth University School of Medicine, Richmond, Virginia 23298, United States.ORCID 0000-0003-4949-5246
Virginia Commonwealth University · USScripps Research Institute · US

Funding

Immunopharmacotherapy for Mitigating Opioid AddictionUH3DA041146 · NIDA · SCRIPPS RESEARCH INSTITUTE, THE · PI JANDA, KIM · 2017 to 2019
$4.4M
Immunoantagonist effects on opioid choiceF32DA047026 · NIDA · VIRGINIA COMMONWEALTH UNIVERSITY · PI TOWNSEND, EDWARD ANDREW · 2019 to 2020
$95k
NIDA NIH HHS F32 DA047026NIDA NIH HHS UH3 DA041146
6 · The paper itself

Abstract

Opioid-targeted vaccines represent an emerging treatment strategy for opioid use disorder. To determine whether concurrent vaccination against two commonly abused opioids (fentanyl and heroin) would confer broader spectrum opioid coverage, the current study evaluated dual fentanyl/heroin conjugate vaccine effectiveness using a warm water tail-withdrawal and a fentanyl/heroin-vs-food choice procedure in male and female rats across a 105-day observation period. Vaccine administration generated titers of high-affinity antibodies to both fentanyl and heroin sufficient to decrease the antinociceptive potency of fentanyl (25-fold), heroin (4.6-fold), and a 1:27 fentanyl/heroin mixture (7.5-fold). Vaccination did not alter the antinociceptive potency of the structurally dissimilar opioid agonist methadone. For comparison, continuous treatment with a naltrexone dose (0.032 mg/kg/h) shown previously to produce clinically relevant plasma-naltrexone levels decreased the antinociceptive potency of fentanyl, heroin, and the 1:27 fentanyl/heroin mixture by approximately 20-fold. Naltrexone treatment also shifted the potency of 1:27 fentanyl/heroin mixture in a drug-vs-food choice self-administration procedure 4.3-fold. In contrast, vaccination did not attenuate 1:27 fentanyl/heroin mixture self-administration in the drug-vs-food choice procedure. These data demonstrate that a vaccine can simultaneously attenuate the thermal antinociceptive effects of two structurally dissimilar opioids. However, the vaccine did not attenuate fentanyl/heroin mixture self-administration, suggesting a greater magnitude of vaccine responsiveness is required to decrease opioid reinforcement relative to antinociception.

Indexed as

FentanylVaccinesAnalgesics, OpioidAnimalsDose-Response Relationship, DrugFemaleHeroinMaleNaltrexoneRatsAnalgesics, OpioidFentanylHeroinNaltrexoneVaccinesantinociceptionchoicedrug self-administrationfentanylheroinvaccine

Identifiers

PMID32271538
PMCPMC7531604
OpenAlexW3015721656

What OpenQuestion holds

Textmetadata
LicenceTDM
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.