Psychology of Addictive Behaviors
August 13, 2026
Bridgid M Conn, Alisha Osornio, Kaia Sheean et al.
Despite increased naturalistic psychedelic use in the United States, limited studies explore factors currently contributing to use among ethnically and racially diverse psychedelic and cannabis-using adults. This study employs thematic analysis using qualitative data to explore the factors contributing to contemporary psychedelic use. Qualitative interviews (conducted in 2022-2023) from a...
Substance Use & Misuse
2008
Bill Sanders, Stephen E Lankenau, Jennifer Jackson Bloom et al.
Tryptamines and phenethylamines are two broad categories of psychoactive substances with a long history of licit and illicit use. Profiles of users of recently emerging tryptamines and phenethylamines are nonexistent, however, since surveillance studies do not query the use of these substances. This manuscript describes the types, modes of administration, onset of use, and context of use of a...
Addiction Research & Theory
2008
Stephen E Lankenau, Bill Sanders, Jennifer Jackson Bloom et al.
Ketamine is a dissociative anesthetic with powerful sedative and hallucinogenic properties. Despite the wide variability in reported subjective experiences, no study has attempted to describe the particular factors that shape these experiences. This manuscript is based upon a sample of 213 young injection drug users recruited in New York, New Orleans, and Los Angeles with histories of ketamine...
Journal of Psychoactive Drugs
March 2007
Stephen E Lankenau, Bill Sanders
Ketamine is a dissociative anesthetic that has emerged as an increasingly popular choice among young drug users. Recent research indicates the presence of hidden populations of young people who inject ketamine in New York and other U.S. cities. Applying an ethno-epidemiological approach, the authors recruited 40 young injection drug users (IDUs) (< 25 years old) in New York City to explore...
Drug and Alcohol Dependence
September 18, 2006
Stephen E Lankenau, Bill Sanders, Jennifer Jackson Bloom et al.
Ketamine, a dissociative anesthetic, has emerged as an increasingly common drug among subgroups of young injection drug users (IDUs) in cities across the United States. In-depth qualitative interviews were conducted with 213 young IDUs aged 16-28 years recruited in New York, New Orleans, and Los Angeles between 2004 and 2006. While some initiated injection drug use with ketamine, the drug was...
Substance Use & Misuse
2005
Stephen E Lankenau, Michael C Clatts
Polydrug use is an important public health issue since it has been linked to significant adverse health outcomes. Recently, club drugs, including ketamine and other drugs used in dance/rave scenes, have been identified as key substances in new types of polydrug using patterns. While seemingly a self-explanatory concept, "polydrug" use constitutes multiple drug using practices that may impact...