Review finds endocannabinoid system modulation shows promise for treating tobacco addiction

A review of endocannabinoid-based approaches to tobacco use disorder found that CB1 neutral antagonists and FAAH inhibitors showed the most promise for smoking cessation and relapse prevention.

Butler, Kevin et al.·Expert opinion on drug discovery·2020·Moderate EvidenceReview
RTHC-02444ReviewModerate Evidence2020RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Review
Evidence
Moderate Evidence
Sample
Not reported

What This Study Found

CB1 receptor neutral antagonists and fatty acid amide hydrolase (FAAH) inhibitors demonstrated positive effects across multiple addiction-related factors including nicotine reinforcement, cue-induced reinstatement, and withdrawal. The CB1 inverse agonist rimonabant was effective for cessation but caused psychiatric side effects.

Key Numbers

Rimonabant (CB1 inverse agonist) was effective for smoking cessation but withdrawn due to psychiatric adverse effects. CB1 neutral antagonists and FAAH inhibitors showed positive effects across several addiction-related endpoints.

How They Did This

Expert review examining studies on endocannabinoid modulation (CB1 receptor, CB2 receptor, anandamide, and 2-AG pathways) across addiction-related factors: nicotine reinforcement, reinstatement of drug seeking, withdrawal severity, and executive function.

Why This Research Matters

Tobacco use disorder remains a leading cause of preventable death, and existing treatments have high relapse rates. The endocannabinoid system offers novel targets that could complement current cessation strategies.

The Bigger Picture

The failure of rimonabant highlighted the need for endocannabinoid-based drugs that can reduce addiction without the mood-related side effects. Newer approaches targeting FAAH or using neutral CB1 antagonists may thread this needle.

What This Study Doesn't Tell Us

Much of the evidence is from preclinical models; few human clinical trials exist for CB1 neutral antagonists or FAAH inhibitors in tobacco cessation specifically; the field is still at an early stage.

Questions This Raises

  • ?Could FAAH inhibitors serve as both cessation aids and relapse prevention agents?
  • ?Would combining endocannabinoid modulators with existing treatments improve outcomes?

Trust & Context

Key Stat:
CB1 neutral antagonists and FAAH inhibitors showed positive effects across multiple addiction-related measures
Evidence Grade:
Expert review with largely preclinical evidence; few human clinical trials in this specific application.
Study Age:
Published in 2020.
Original Title:
Novel therapeutic and drug development strategies for tobacco use disorder: endocannabinoid modulation.
Published In:
Expert opinion on drug discovery, 15(9), 1065-1080 (2020)
Database ID:
RTHC-02444

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study

Summarizes existing research on a topic.

What do these levels mean? →

Frequently Asked Questions

What happened with rimonabant?

Rimonabant was a CB1 receptor inverse agonist that showed effectiveness for smoking cessation but was withdrawn from markets due to serious psychiatric side effects including depression and suicidal ideation. This prompted the search for endocannabinoid modulators without these risks.

How might the endocannabinoid system help with quitting smoking?

The endocannabinoid system is involved in reward processing, stress response, and habit formation, all relevant to tobacco addiction. Modulating this system through CB1 neutral antagonists or FAAH inhibitors may reduce nicotine's rewarding effects and lower relapse risk without the mood side effects of earlier approaches.

Read More on RethinkTHC

Cite This Study

RTHC-02444·https://rethinkthc.com/research/RTHC-02444

APA

Butler, Kevin; Le Foll, Bernard. (2020). Novel therapeutic and drug development strategies for tobacco use disorder: endocannabinoid modulation.. Expert opinion on drug discovery, 15(9), 1065-1080. https://doi.org/10.1080/17460441.2020.1767581

MLA

Butler, Kevin, et al. "Novel therapeutic and drug development strategies for tobacco use disorder: endocannabinoid modulation.." Expert opinion on drug discovery, 2020. https://doi.org/10.1080/17460441.2020.1767581

RethinkTHC

RethinkTHC Research Database. "Novel therapeutic and drug development strategies for tobacc..." RTHC-02444. Retrieved from https://rethinkthc.com/research/butler-2020-novel-therapeutic-and-drug

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.