Cited by 97Neurotransmitter Receptor Influence on BehaviorSubstance Abuse Treatment and OutcomesNeuroinflammation and Neurodegeneration Mechanisms

The glial cell modulator and phosphodiesterase inhibitor, AV411 (Ibudilast), attenuates prime- and stress-induced methamphetamine relapse

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Beardsley, Patrick M., Shelton, Keith L., Hendrick, Elizabeth, Johnson, Kirk W.·2010·European Journal of Pharmacology

Abstract

Stress and renewed contact with drug (a "slip") have been linked to persisting relapse of methamphetamine abuse. Human brain microglial activation has been linked with methamphetamine abuse, and inhibitors of glial cell activation, certain phosphodiesterase (PDE) inhibitors, and glial cell derived neurotrophic factor (GDNF) have been reported to modulate drug abuse effects. Our objective was to determine whether the glial cell attenuator, 3-isobutyryl-2-isopropylpyrazolo-[1,5-a]pyridine (AV411, ibudilast), a non-selective PDE inhibitor and promoter of GDNF, could reduce stress- and methamphetamine prime-induced reinstatement of methamphetamine-seeking behavior. Male Long-Evans hooded rats were trained to lever press reinforced with 0.1 mg/kg i.v. methamphetamine infusion according to fixed-ratio 1 (FR1) reinforcement schedules during daily, 2-hour experimental sessions. After performance had stabilized, lever pressing was extinguished for 12 consecutive sessions and doses of 0 (vehicle), 2.5 and 7.5 mg/kg AV411 were then administered intraperitoneally b.i.d. on the last 2 days of extinction and then once on the testday to separate groups of 12 rats. During testing, the rats were given 15 min of intermittent footshock or a 1 mg/kg i.p. methamphetamine prime followed by a 2-hour reinstatement test session. AV411 significantly reduced response levels of footshock-induced (2.5 and 7.5 mg/kg) and prime-induced (7.5 mg/kg) reinstatement of extinguished methamphetamine-maintained responding. AV411 has properties consistent with the ability to attenuate relapse precipitated by stress and methamphetamine "slips" during abstinence. These results thus reinforce interest in atypical neurobiological mechanisms which could be exploited for developing novel medications for treating drug abuse disorders.

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Authors
Beardsley, P. M., Shelton, K. L., Hendrick, E., & Johnson, K. W.
Affiliations
Virginia Commonwealth University (US)
Corresponding author
Beardsley, Patrick M.
Venue
European Journal of Pharmacology
Publisher
Elsevier BV
Published
2010-07
Volume
637
Issue
1-3
Pages
102-108
ISSN
0014-2999 (ISSN-L)
OpenAlex
W1978484881
Cited by
97
References
62
Citations by year
2026: 2 · 2025: 5 · 2024: 7 · 2023: 5 · 2022: 7 · 2021: 7 · 2020: 4 · 2019: 8 · 2018: 5 · 2017: 8 · 2016: 9 · 2015: 6 · 2014: 12 · 2013: 1 · 2012: 9
FWCI
1.55
Type
journal article
Language
en
Open access
Locations
  • European Journal of Pharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (n01da48848-7-0-0)
  • National Institute on Drug Abuse (N01 DA-4-8848, N01 DA048848, HHSN271200900027C)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
ibudilast, reinstatement of drug seeking, stress-induced relapse, footshock stress, glial activation, microglial activation, phosphodiesterase inhibitors, glial cell line-derived neurotrophic factor, drug addiction treatment, extinction
MeSH terms
Animals, Dose-Response Relationship, Drug, Indolizines, Injections, Intraperitoneal, Male, Methamphetamine, Neuroglia, Phosphodiesterase Inhibitors, Pyrazoles, Pyridines, Stress, Psychological, Time Factors, Amphetamine-Related Disorders, Rats, Long-Evans, Rats, Secondary Prevention

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