Dixon (NCT00960375).

Trial name or title	Smoking Cessation for Veterans with Severe and Persistent Mental Illness
Methods	RCT. Study is conducted at multi‐sites in Washington DC and Maryland, USA.
Participants	Adult smokers (at least 10 CPD or FTND score 5 or more) with DSM‐IV diagnosis of severe and persistent mental illness including a diagnosis of a psychotic disorder (schizophrenia, affective psychoses, other psychotic diagnoses and major depression with psychotic features). Exclusion criteria: (1) current alcohol or substance dependence (other than nicotine); (2) documented history of severe neurological disorder or severe head trauma with loss of consciousness; (3) severe or profound mental retardation by chart review.
Interventions	Behavioural Treatment of Smoking Cessation in Severe and Persistent Mental Illness (BTSCS) for 24 sessions ‐ two 60‐minute manualised group sessions per wk including the following components: individual motivational enhancement, contingency management and goal‐setting, skills for reducing smoking, social skills training, education about severe and persistent mental illness and smoking, relapse prevention training, education and assistance with NRT. Standard ALA‐based manualised smoking cessation programme for 24 sessions
Outcomes	Smoking reduction measured by expired CO level and self reported abstinence from tobacco (abstinence was not defined)
Starting date	April 2010
Contact information	Wendy Potts (wendy.potts@va.gov)
Notes	Principal Investigator: Lisa Dixon (ldixon@psych.umaryland.edu). Includes pts with mental illness other than schizophrenia