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Evaluating the efficacy of Regulated 12-Session Matrix Model in reducing susceptibility in methamphetamine-dependent individuals

Authors: Zahra Amiri, Beheshteh Mirzaee and Mehrdad Sabet

Int J Med Res Health Sci.2016, 5, 2:77-85 | pdf PDF Full Text

Methamphetamine (ab)use have gained popularity among youth and is increasingly become a part of mainstream
culture. Methamphetamine(ab)use is dangerous because of its wide range adverse outcomes and hazardous
sustaining side effects. Its dependence is hardly withdrawn by routine therapeutic methods. This study is devoted to
evaluate the efficacy of Regulated 12-Session Matrix Model in outpatient methamphetamine-dependent individuals.
24 individuals were chosen according to inclusion/exclusion criteria of the study and randomly assigned to equal
experimental (age range 19-41; mean age: 46.9) and control groups (age range: 21-42; mean age: 27.8).
Experimental group members partook Regulated 12-Session Matrix Model once a week in 12 consecutive weeks,
while control group members remained at waitlist. Independent t-test in 12th week showed that experimental group
had lower methamphetamine use, comparing to control group (p<.05).Phillai’s Trace, Wilk’s Lambda, Hotelling-
Lawley’s trace, and Roy’s largest root showed that there are significant association between experimental and
control groups in reduction of methamphetamine-use lapse (p<.05).Within-subject F ratio revealed that
“methamphetamine use” was significantly reduced in experimental group after clinical intervention (p<.001).
Findings of the study indicate the efficacy of Regulated 12-Session Matrix Model in craving management and
control as well as reduction of lapse and substance (ab)use in methamphetamine-dependent patients. It appears that
the Regulated 12-Session Matrix Model would be a new reliable solution to treat methamphetamine-dependence in
Iran and other alike cultural and social atmospheres. Limitations and future implications are discussed.
Keywords: Methamphetamine, substance abuse, substance use disorders (SUD), substance use disorders (SUD)
relapse, Matrix model for SUD treatment, Regulated 12-Session Matrix Model, craving, lapse, susceptibility.

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