The BDNF Val(66)Met polymorphism is associated with escitalopram response in depressed patients. El-Hage, W., Vourc'h, P., Gaillard, P., Léger, J., Belzung, C., Ibarguen-Vargas, Y., Andres, C. R., & Camus, V. Psychopharmacology, July, 2014. doi abstract bibtex BACKGROUND: The brain-derived neurotrophic factor (BDNF) gene is a candidate gene in therapeutic responses to antidepressants. The aim of the study was to determine the effects of BDNF allelic variability on responses to escitalopram treatment at 3 weeks after treatment initiation and at a 6-week endpoint. METHODS: We included 187 Caucasian subjects with depression; 153 completed the 6-week study. Clinical evaluation was performed using the Montgomery and Asberg Depression Rating Scale (MADRS) before and after 3-6 weeks of treatment. RESULTS: After 3 weeks of treatment, we saw significantly better treatment responses in the Met carriers and greater antidepressant resistance among the Val/Val homozygotes. Relative to Val/Val homozygous (59.78 %), a significantly greater proportion of subjects Met-carriers (77.94 %) responded to escitalopram treatment (χ (2) = 5.88, p = 0.015). After 6 weeks, we found the same pattern of results but this effect did not reach statistical significance (χ (2) = 2.07, p = 0.15). CONCLUSION: These findings highlight a significant association between the BDNF valine to methionine substitution (Val(66)Met) polymorphism and the treatment response to escitalopram in a Caucasian population of severely depressed inpatients.
@article{ el-hage_bdnf_2014,
title = {The {BDNF} Val(66)Met polymorphism is associated with escitalopram response in depressed patients},
issn = {1432-2072},
doi = {10.1007/s00213-014-3694-z},
abstract = {{BACKGROUND}: The brain-derived neurotrophic factor ({BDNF}) gene is a candidate gene in therapeutic responses to antidepressants. The aim of the study was to determine the effects of {BDNF} allelic variability on responses to escitalopram treatment at 3 weeks after treatment initiation and at a 6-week endpoint.
{METHODS}: We included 187 Caucasian subjects with depression; 153 completed the 6-week study. Clinical evaluation was performed using the Montgomery and Asberg Depression Rating Scale ({MADRS}) before and after 3-6 weeks of treatment.
{RESULTS}: After 3 weeks of treatment, we saw significantly better treatment responses in the Met carriers and greater antidepressant resistance among the Val/Val homozygotes. Relative to Val/Val homozygous (59.78 %), a significantly greater proportion of subjects Met-carriers (77.94 %) responded to escitalopram treatment (χ (2) = 5.88, p = 0.015). After 6 weeks, we found the same pattern of results but this effect did not reach statistical significance (χ (2) = 2.07, p = 0.15).
{CONCLUSION}: These findings highlight a significant association between the {BDNF} valine to methionine substitution (Val(66)Met) polymorphism and the treatment response to escitalopram in a Caucasian population of severely depressed inpatients.},
language = {{ENG}},
journal = {Psychopharmacology},
author = {El-Hage, Wissam and Vourc'h, Patrick and Gaillard, Philippe and Léger, Julie and Belzung, Catherine and Ibarguen-Vargas, Yadira and Andres, Christian R. and Camus, Vincent},
month = {July},
year = {2014},
pmid = {25074447}
}
Downloads: 0
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