Comparing adult cannabis treatment-seekers enrolled in a clinical trial with national samples of cannabis users in the United States

Erin A. McClure, Jacqueline S. King, Aimee Wahle, Abigail G. Matthews, Susan C. Sonne, Michelle R. Lofwall, Aimee L. McRae-Clark, Udi E. Ghitza, Melissa Martinez, Kasie Cloud, Harvir S. Virk, Kevin M. Gray

Resultado de la investigación: Articlerevisión exhaustiva

8 Citas (Scopus)


Background Cannabis use rates are increasing among adults in the United States (US) while the perception of harm is declining. This may result in an increased prevalence of cannabis use disorder and the need for more clinical trials to evaluate efficacious treatment strategies. Clinical trials are the gold standard for evaluating treatment, yet study samples are rarely representative of the target population. This finding has not yet been established for cannabis treatment trials. This study compared demographic and cannabis use characteristics of a cannabis cessation clinical trial sample (run through National Drug Abuse Treatment Clinical Trials Network) with three nationally representative datasets from the US; 1) National Survey on Drug Use and Health, 2) National Epidemiologic Survey on Alcohol and Related Conditions-III, and 3) Treatment: Episodes Data Set – Admissions. Methods Comparisons were made between the clinical trial sample and appropriate cannabis using sub-samples from the national datasets, and propensity scores were calculated to determine the degree of similarity between samples. Results showed that the clinical trial sample was significantly different from all three national datasets, with the clinical trial sample having greater representation among older adults, African Americans, Hispanic/Latinos, adults with more education, non-tobacco users, and daily and almost daily cannabis users. Conclusions These results are consistent with previous studies of other substance use disorder populations and extend sample representation issues to a cannabis use disorder population. This illustrates the need to ensure representative samples within cannabis treatment clinical trials to improve the generalizability of promising findings.

Idioma originalEnglish (US)
Páginas (desde-hasta)14-20
Número de páginas7
PublicaciónDrug and Alcohol Dependence
EstadoPublished - jul 1 2017

ASJC Scopus subject areas

  • Toxicology
  • Pharmacology
  • Psychiatry and Mental health
  • Pharmacology (medical)


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