Vaping and Smoking Project in People With Schizophrenia
Trial Parameters
Brief Summary
The proposed research will characterize withdrawal among people with schizophrenia who vape daily compared to people with schizophrenia who smoke combustible cigarettes daily, filling critical gaps in the understanding of electronic nicotine delivery systems (ENDS) dependence and contributing to the development of vaping cessation interventions amongst people with schizophrenia, the leading preventable cause of death in the US.
Eligibility Criteria
Inclusion Criteria: * 6+ months of daily/near-daily nicotine vaping or cigarette smoking * 200+ ng/mL cotinine on a commercially-available quick screen * stable antipsychotic medication dose (no changes in past 6 months). Current Exclusion Criteria: * intention to quit daily/near-daily vaping/smoking in the next month * current (2+ days out of the past 7) use of pipe tobacco, hookah/shisha, smokeless tobacco, dissolvable tobacco, nicotine pouches. For vaping group only, current (2+ days out of past 7) use of cigars, cigarillos, or filtered cigars that are filled with tobacco or a mix of tobacco and marijuana * current use of any smoking cessation medication * current severe substance dependence other than tobacco/nicotine (including cannabis; NIDA Modified ASSIST of 27+) * current (past 2 weeks) suicidal ideation with intent and/or plan * pregnancy (intake urine screen) * florid psychosis or severe cognitive symptoms (score of ≥5 on PANSS items delusions (P1), hallucinatory behavior (P