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Khat Abuse clinical trials

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NCT ID: NCT03730805 Completed - Khat Abuse Clinical Trials

The Adaptation and Evaluation of the WHO's ASSIST-linked Brief Intervention to Khat-Using Ethiopian University Students

KhatAssist
Start date: November 15, 2018
Phase: N/A
Study type: Interventional

The leaves of the khat tree (catha edulis) are traditionally chewed in the countries around the Horn of Africa. They contain the amphetamine-like alkaloid cathinone and their use can produce a Substance Use Disorder. The researchers intent to validate an Amharic and an Oromo version of the WHO's ASSIST-linked Brief Intervention among khat-using Ethiopian university students. In an RCT, khat using students of Jimma University with initial motivation to stop or cut down khat use will be randomised to either an intervention or a control group. In the intervention group, the WHO's ASSIST-linked BI will be delivered in a single session by trained local counsellors. In the control group, participants will receive a neuropsychological assessment (Raven's Standard Progressive Matrices, SPM; Raven, 1972). Khat use, the neuropsychological variables and psychiatric symptoms will be assessed before the intervention and two weeks after it. Additionally, the researchers will measure the participants resistance during the session. The control group will receive the intervention after the post test. In order to study state variables that influence brief intervention effectivity, e.g. by increasing or reducing resistance, the researchers randomise subjects in each study arm to several short pre-interventions that are based on Gollwitzer's empirically well established Mindset Theory of Action Phases (for summary: Gollwitzer & Keller, 2016). This means, before delivering the ASSIST-linked BI (intervention group) or before the SPM assessment (controlgroup) a specific psychological state will be induced by a brief writing task that theoretically should affect the openness to the intervention: (1) implemental mindset, (2) deliberative mindset, (3) no mindset induction. The researchers expect that khat use will be reduced more in the intervention condition compared to the control condition and that induced states influence the effectiveness of the intervention.