期刊
NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS
卷 125, 期 -, 页码 208-220出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neubiorev.2021.02.031
关键词
Alcohol; Opioids; Nicotine; Stimulants; Cytokines; Bioinflammatory markers; Chronic psychoactive substance use
This study found that there is no significant association between chronic substance abuse and inflammatory levels, except for chronic smokers. There was evidence of publication bias for studies measuring the association between IL-6 and IL-10 with cocaine, and IL-6 with cannabis. More research is needed to inform policymakers and decision-makers about the effectiveness of anti-inflammatory interventions.
This systematic review and meta-analysis assess the change in inflammation biomarkers level among chronic psychoactive substance users. To meet the required inclusion criteria, all studies had to describe human participants with an age ?18y., experiencing chronic psychostimulant (nicotine, amphetamine, cocaine), sedative (benzodiazepine, opioids) and/or cannabinoid use. The comparison group was defined as healthy participants. Studies where included if they reported at least one of the pro/inflammatory biomarkers. Study bias was examined by Funnel plots and heterogeneity by computing the I2 statistics. Only 21 eligible studies were selected based on 26,216 study participants. A small and significant effect size of 0.18 mg/l (95 % CI:0.10-0.27) was detected in favour of chronic smokers (z = 4.33;P < 0.0001). There was evidence of publication bias for studies measuring IL-6 and IL-10 association with cocaine and IL-6 in association with cannabis. In summary, except for chronic tobacco users, there was no evidence of association between other chronic substances abuse and inflammatory levels. More studies are needed to inform policy and decision makers about the utility of antiinflammatory based targeted intervention programmes.
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