Duncan, Zoe and Ward, Bernadette and Kippen, Rebecca and Dietze, Paul and Sutton, Keith (2024) A narrative systematic review of associations and temporality between use of methamphetamine, ecstasy/MDMA, or cocaine with anxiety or depressive symptoms. Addictive Behaviors, 153, 107988. https://doi.org/10.1016/j.addbeh.2024.107988.
External website: https://www.sciencedirect.com/science/article/pii/...
Objective: Anxiety and depression are prevalent mental health problems in people who use illicit stimulants. Improved understanding of the temporal relationship between methamphetamine, ecstasy/MDMA, or cocaine use with anxiety or depression informs public health interventions and treatment options for those experiencing this co-occurrence. This narrative systematic review sought to examine associations and temporality between the use of methamphetamine, ecstasy/MDMA, or cocaine, with anxiety or depressive symptoms.
Method: Systematic searches of 4 electronic databases were conducted up to August 2023. Study eligibility included the measurement of anxiety and/or depressive symptoms, and frequency of illicit stimulant use (methamphetamine, cocaine, or ecstasy/MDMA) at two separate time points, with data analysis of the association between these variables. The Joanna Briggs Critical Appraisal Checklist was utilised to assess quality. Data was extracted, and a narrative synthesis incorporating an eight-criteria framework to assess associations was conducted.
Results: 4432 studies were screened for eligibility; 11 studies (3 RCTs and 8 prospective cohort studies) were included. Evidence for an association between depressive symptoms and methamphetamine use was demonstrated in six studies, with temporal evidence in three studies supporting methamphetamine use preceding depressive symptoms. Three studies reported an association between cocaine use and depressive symptoms. Evidence for associations with any of the illicit stimulants and anxiety symptoms was lacking.
Conclusions: There was some evidence to support a case for temporality, particularly for methamphetamine use and depressive symptoms. Investing in longitudinal studies is pivotal to understanding the dynamic and reciprocal relationship between illicit stimulant use and anxiety or depressive symptoms. A limitation of the study was the variation in the measurement and analysis of outcomes.
A Substance use and dependence > Personal history of substance use (pathway) > Initiation
B Substances > CNS stimulants > Methamphetamine
B Substances > CNS stimulants > MDMA / Ecstasy
B Substances > Cocaine
G Health and disease > State of health > Mental health
G Health and disease > Substance related disorder > Substance related mental health disorder
J Health care, prevention, harm reduction and treatment > Risk and protective factors > Risk factors
VA Geographic area > International
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