Characterizing smoking topography of cannabis in heavy users

Research output: Contribution to journalArticle

Abstract

Rationale Little is known about the smoking topography characteristics of heavy cannabis users. Such measures may be able to predict cannabis use-related outcomes and could be used to validate self-reported measures of cannabis use. Objectives The current study was conducted to measure cannabis smoking topography characteristics during periods of ad libitum use and to correlate topography assessments with measures of self-reported cannabis use, withdrawal and craving during abstinence, and cognitive task performance. Methods Participants (N=20) completed an inpatient study in which they alternated between periods of ad libitum cannabis use and abstinence. Measures of self-reported cannabis use, smoking topography, craving, withdrawal, and sleep measures were collected. Results Participants smoked with greater intensity (e.g., greater volume, longer duration) on initial cigarette puffs with a steady decline on subsequent puffs. Smoking characteristics were significantly correlated with severity of withdrawal, notably sleep quality and architecture, and craving during abstinence, suggesting dose-related effects of cannabis use on these outcomes. Smoking characteristics generally were not significantly associated with cognitive performance. Smoking topography measures were significantly correlated with self-reported measures of cannabis use, indicating validity of these assessments, but topography measures were more sensitive than self-report in predicting cannabis-related outcomes. Conclusions A dose-effect relationship between cannabis consumption and outcomes believed to be clinically important was observed. With additional research, smoking topography assessments may become a useful clinical tool.

Original languageEnglish (US)
Pages (from-to)309-318
Number of pages10
JournalPsychopharmacology
Volume220
Issue number2
DOIs
StatePublished - Mar 2012

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Marijuana Smoking
Cannabis
Smoking
Sleep
Task Performance and Analysis
Tobacco Products
Self Report
Inpatients

Keywords

  • Cannabis
  • Cannabis use disorders
  • Craving
  • Sleep
  • Smoking topography
  • Withdrawal

ASJC Scopus subject areas

  • Pharmacology

Cite this

Characterizing smoking topography of cannabis in heavy users. / McClure, Erin A.; Stitzer, Maxine L; Vandrey, Ryan G.

In: Psychopharmacology, Vol. 220, No. 2, 03.2012, p. 309-318.

Research output: Contribution to journalArticle

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