TL;DR: The Danish adaptation of the New Adult Reading Test possesses good test–retest reliability, making it an appropriate choice for assessment of pre-morbid IQ, and in patients with dually diagnosed psychosis and cannabis-use disorder.
Abstract: Background: The New Adult Reading Test is a common instrument for assessing pre-morbid IQ for patients with, for instance, schizophrenia. However, test–retest reliability has not been established for patients dually diagnosed with psychosis and substance use disorder. Furthermore, test–retest reliability of the Danish adaptation has never been established in any population. Aims: To determine the test–retest reliability of the Danish Adult Reading Test (DART) (adapted from the National Adult Reading Test, NART) for patients dually diagnosed with psychosis and cannabis-use disorder. Methods: This was a secondary analysis of the CapOpus randomized trial. As part of the trial, 103 patients were randomized, and completed the DART up to three times. Pearson's r and pairwise t-tests were calculated. Results: DART score was independent of randomization, cannabis-use frequency and psychopathology. Scores at the last interview were slightly higher than at the first two. Correlation over time was very strong (0.8 <...
TL;DR: CapOpus led to earlier and more psychiatric emergency room contacts and admissions that, however, were of fewer days, which could indicate that participants receiving treatment as usual were inadequately treated.
TL;DR: Findings suggest that treatment of psychosis and comorbid cannabis use disorder could in the future incorporate treatment strategies emphasising encouragement to reduce cannabis use, and patients in the high (reducing) use group demonstrated the greatest improvement in psychotic symptoms on all three measures.
Abstract: Objective: It remains unclear whether there is an association between severity of cannabis use and psychotic symptom severity over time. Shedding light on this under-researched matter could have clinical implications for this patient group. Methods: This was a secondary analysis of a randomized, parallel-group, superiority, assessor-blinded trial. We followed 60 patients with dually diagnosed psychosis and cannabis use disorders from the Danish CapOpus trial, which included assessments at baseline, post-treatment (6 months) and 10 months. Cannabis use was registered by self-report assisted by timeline follow-back. Psychotic symptoms were measured using the Positive and Negative Syndrome Scale (PANSS) positive, negative, and general symptoms scores. Analyses were adjusted for potential confounders. Results: Patients were classified into four categories: minor use (0–30 joints at baseline and 0–9 joints at follow-up; n = 19), moderate use (0–30 joints at baseline and 10–196 joints at follow-up; n = ...
TL;DR: The CapOpus trial is to evaluate the additional effect on cannabis abuse of a specialized addiction treatment program adding group treatment and motivational interviewing to treatment as usual, to treat patients with psychosis.
TL;DR: The major objective for the CapOpus trial is to evaluate the effects of a specialized addiction treatment program adding group treatment and motivational interviewing to treatment as usual compared with just treatment asusual.