Journal
JOURNAL OF PSYCHIATRIC RESEARCH
Volume 129, Issue -, Pages 103-110Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jpsychires.2020.05.029
Keywords
Methamphetamine; Stimulants; Addiction; Treatment; Dependence; Abstinence
Categories
Funding
- Federal Ministry of Health [ZMVI1-2516DSM216]
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This study investigates the effects of two different residential treatments and of treatment drop-out in a German methamphetamine (MA) dependent sample. 108 subjects from two addiction treatment concepts were recruited at treatment begin and followed-up at 12 (T2) and 18 (T3) months after treatment. Based on follow-up samples (n = 38 at T2, n = 25 at T3), 77.1% at T2 and 68.0% at T3 were MA abstinent. Classifying everyone, who did not participate at follow-ups as having had a relapse, showed MA-abstinence rates of 25.0% (at T2) and 15.7% (at T3). There was no difference in MA-use between treatment conditions nor between treatment completers and drop-outs. Having injected any substance predicted MA-use at T2 (p = .03). The median time of relapse was 1.5 days after hospital release. Depression scores at T2 predicted MA-use at T3 (p = .02). T2 participants that dropped out of treatment had higher craving scores at T2, than T2 subjects who completed treatment (p = .03). The results show positive effects of current inpatient treatment programs without differences between different concepts. More research is needed to clarify the impact of treatment drop-out. Attention should be paid to a successful transition from residential to outpatient services and to a reduction of study attrition.
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