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. 2024 Oct 18;25(20):11204.
doi: 10.3390/ijms252011204.

Brain-Derived Neurotrophic Factor (BDNF) as a Predictor of Treatment Response in Schizophrenia and Bipolar Disorder: A Systematic Review

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Brain-Derived Neurotrophic Factor (BDNF) as a Predictor of Treatment Response in Schizophrenia and Bipolar Disorder: A Systematic Review

Andrés Liberona et al. Int J Mol Sci. .

Abstract

Brain-derived neurotrophic factor (BDNF) is a potential biomarker of response to treatment in psychiatric disorders. As it plays a role in the pathophysiological development of schizophrenia and bipolar disorder, it is of interest to study its role in predicting therapeutic responses in both conditions. We carried out a systematic review of the literature, looking for differences in baseline BDNF levels and the Val66Met BDNF polymorphism in these disorders between responders and non-responders, and found information showing that the Val/Val genotype and higher baseline BDNF levels may be present in patients that respond successfully to pharmacological and non-pharmacological treatments. However, there is still limited evidence to support the role of the Val66Met polymorphism and baseline BDNF levels as predictors of treatment response.

Keywords: BDNF; biomarkers; bipolar disorder; neurotrophins; schizophrenia; treatment refractoriness; treatment resistance; treatment response.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Flow chart of the literature search and study selection process in a systematic review of the literature on the relationship between BDNF and response to treatment of SCZ, BD, and schizoaffective disorder. Articles published up to March 2024.
Figure 2
Figure 2
Flow chart of the literature search and study selection process in a systematic review of the literature on the relationship between BDNF and resistance to SCZ, BD, and schizoaffective disorder treatment. Articles published up to March 2024.

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