Schizophrenia is likely to be associated with immunological abnormalities. However, antipsychotics may induce immunomodulatory effects, by influencing plasma cytokines. In order to distinguish these influences, we carried out a systematic review and meta-analysis exploring the acute effect of antipsychotics on candidate cytokines plasma levels (IL-1β, IL-2, IL-6, IL-17, IFN-γ, TNF-α) among drug-naïve subjects with first episode psychosis. We searched main Electronic Databases, identifying eight studies meeting our inclusion criteria. Plasma cytokines values were used to estimate standardized mean differences. Heterogeneity across studies was evaluated using the I2 index and controlled in relevant sensitivity analyses. IL-2 (p = 0.023) and IL-6 (p = 0.012) levels showed a significant decrease after four weeks of antipsychotic treatment. Relevant sensitivity analysis confirmed these findings. IL-1β had high between-study heterogeneity. However, leaving out one study, a significant decrease after treatment was found. IL-6 and IL-2, and possibly IL-1β, could be considered state markers, decreasing after antipsychotic treatment, whilst TNF-α, IL-17, and IFN-γ might be considered trait markers. Options for novel treatments in FEP, involving cytokine-modulating agents, should be further studied.

Capuzzi, E., Bartoli, F., Crocamo, C., Clerici, M., Carra', G. (2017). Acute variations of cytokine levels after antipsychotic treatment in drug-naïve subjects with a first-episode psychosis: A meta-analysis. NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS, 77(77), 122-128 [10.1016/j.neubiorev.2017.03.003].

Acute variations of cytokine levels after antipsychotic treatment in drug-naïve subjects with a first-episode psychosis: A meta-analysis

CAPUZZI, ENRICO
Primo
;
BARTOLI, FRANCESCO
Secondo
;
CROCAMO, CRISTINA;CLERICI, MASSIMO
Penultimo
;
CARRA', GIUSEPPE
Ultimo
2017

Abstract

Schizophrenia is likely to be associated with immunological abnormalities. However, antipsychotics may induce immunomodulatory effects, by influencing plasma cytokines. In order to distinguish these influences, we carried out a systematic review and meta-analysis exploring the acute effect of antipsychotics on candidate cytokines plasma levels (IL-1β, IL-2, IL-6, IL-17, IFN-γ, TNF-α) among drug-naïve subjects with first episode psychosis. We searched main Electronic Databases, identifying eight studies meeting our inclusion criteria. Plasma cytokines values were used to estimate standardized mean differences. Heterogeneity across studies was evaluated using the I2 index and controlled in relevant sensitivity analyses. IL-2 (p = 0.023) and IL-6 (p = 0.012) levels showed a significant decrease after four weeks of antipsychotic treatment. Relevant sensitivity analysis confirmed these findings. IL-1β had high between-study heterogeneity. However, leaving out one study, a significant decrease after treatment was found. IL-6 and IL-2, and possibly IL-1β, could be considered state markers, decreasing after antipsychotic treatment, whilst TNF-α, IL-17, and IFN-γ might be considered trait markers. Options for novel treatments in FEP, involving cytokine-modulating agents, should be further studied.
Articolo in rivista - Review Essay
Antipsychotics; Cytokines; First episode psychosis; Meta-analysis; Schizophrenia;
antipsychotics; cytokines; first episode psychosis; meta-analysis; schizophrenia
English
122
128
7
Capuzzi, E., Bartoli, F., Crocamo, C., Clerici, M., Carra', G. (2017). Acute variations of cytokine levels after antipsychotic treatment in drug-naïve subjects with a first-episode psychosis: A meta-analysis. NEUROSCIENCE AND BIOBEHAVIORAL REVIEWS, 77(77), 122-128 [10.1016/j.neubiorev.2017.03.003].
Capuzzi, E; Bartoli, F; Crocamo, C; Clerici, M; Carra', G
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