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Cannabis use influence on peripheral brain-derived neurotrophic factor levels in antipsychotic-naïve first-episode psychosis.

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Title: Cannabis use influence on peripheral brain-derived neurotrophic factor levels in antipsychotic-naïve first-episode psychosis.
Authors: Toll, A. (AUTHOR), Bergé, D. (AUTHOR), Burling, K. (AUTHOR), Scoriels, L. (AUTHOR), Treen, D. (AUTHOR), Monserrat, C. (AUTHOR), Marmol, F. (AUTHOR), Duran, X. (AUTHOR), Jones, P. B. (AUTHOR), Pérez-Solà, V. (AUTHOR), Fernandez-Egea, E. (AUTHOR), Mané, A. (AUTHOR)
Source: European Archives of Psychiatry & Clinical Neuroscience. Oct2020, Vol. 270 Issue 7, p851-858. 8p. 4 Charts.
Subjects: Brain-derived neurotrophic factor, Marijuana, Blood collection, Psychoses, Height measurement
Abstract: The objective of this study is to determine whether cannabis influences BDNF levels in patients with psychosis (FEP) and healthy volunteers (HV) to help understand the role of BDNF in psychosis. We assessed the association between BDNF and cannabis in a cohort of FEP antipsychotic-naïve patients and HV, whilst controlling for other potential confounding factors. 70 FEP drug-naive patients and 57 HV were recruited. A sociodemographic variable collection, structured clinical interview, weight and height measurement, substance use determination, and blood collection to determine BDNF levels by ELISA analysis were done. In FEP patients, cannabis use was associated with BDNF levels (high cannabis use was associated with lower BDNF levels). Moreover, cannabis use was statistically significantly associated with age (high use of cannabis was associated with younger age). In HV, no relationship between cannabis use and BDNF levels was observed. Otherwise, cannabis use was significantly associated with tobacco use, so that high cannabis users were also high tobacco users. This study showed a different association between cannabis use and BDNF levels in FEP patients compared with HV, particularly, with high doses of cannabis. These findings may help understand the deleterious effects of cannabis in some vulnerable individuals, as well as discrepancies in the literature. [ABSTRACT FROM AUTHOR]
Copyright of European Archives of Psychiatry & Clinical Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Cannabis use influence on peripheral brain-derived neurotrophic factor levels in antipsychotic-naïve first-episode psychosis.
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  Data: <searchLink fieldCode="AR" term="%22Toll%2C+A%2E%22">Toll, A.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bergé%2C+D%2E%22">Bergé, D.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Burling%2C+K%2E%22">Burling, K.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Scoriels%2C+L%2E%22">Scoriels, L.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Treen%2C+D%2E%22">Treen, D.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Monserrat%2C+C%2E%22">Monserrat, C.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Marmol%2C+F%2E%22">Marmol, F.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Duran%2C+X%2E%22">Duran, X.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jones%2C+P%2E+B%2E%22">Jones, P. B.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pérez-Solà%2C+V%2E%22">Pérez-Solà, V.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fernandez-Egea%2C+E%2E%22">Fernandez-Egea, E.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mané%2C+A%2E%22">Mané, A.</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Archives+of+Psychiatry+%26+Clinical+Neuroscience%22">European Archives of Psychiatry & Clinical Neuroscience</searchLink>. Oct2020, Vol. 270 Issue 7, p851-858. 8p. 4 Charts.
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  Data: <searchLink fieldCode="DE" term="%22Brain-derived+neurotrophic+factor%22">Brain-derived neurotrophic factor</searchLink><br /><searchLink fieldCode="DE" term="%22Marijuana%22">Marijuana</searchLink><br /><searchLink fieldCode="DE" term="%22Blood+collection%22">Blood collection</searchLink><br /><searchLink fieldCode="DE" term="%22Psychoses%22">Psychoses</searchLink><br /><searchLink fieldCode="DE" term="%22Height+measurement%22">Height measurement</searchLink>
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  Data: The objective of this study is to determine whether cannabis influences BDNF levels in patients with psychosis (FEP) and healthy volunteers (HV) to help understand the role of BDNF in psychosis. We assessed the association between BDNF and cannabis in a cohort of FEP antipsychotic-naïve patients and HV, whilst controlling for other potential confounding factors. 70 FEP drug-naive patients and 57 HV were recruited. A sociodemographic variable collection, structured clinical interview, weight and height measurement, substance use determination, and blood collection to determine BDNF levels by ELISA analysis were done. In FEP patients, cannabis use was associated with BDNF levels (high cannabis use was associated with lower BDNF levels). Moreover, cannabis use was statistically significantly associated with age (high use of cannabis was associated with younger age). In HV, no relationship between cannabis use and BDNF levels was observed. Otherwise, cannabis use was significantly associated with tobacco use, so that high cannabis users were also high tobacco users. This study showed a different association between cannabis use and BDNF levels in FEP patients compared with HV, particularly, with high doses of cannabis. These findings may help understand the deleterious effects of cannabis in some vulnerable individuals, as well as discrepancies in the literature. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Archives of Psychiatry & Clinical Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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