Clin Psychopharmacol Neurosci.  2017 May;15(2):170-176. 10.9758/cpn.2017.15.2.170.

Effect of Oxcarbazepine on Serum Brain Derived Neurotrophic Factor in Bipolar Mania: An Exploratory Study

  • 1Department of Pharmacology, All India Institute of Medical Sciences (AIIMS), Bhubaneswar, India.
  • 2Department of Psychiatry, All India Institute of Medical Sciences (AIIMS), Bhubaneswar, India.
  • 3Department of Medical Student, All India Institute of Medical Sciences (AIIMS), Bhubaneswar, India.


OBJECTIVE: In bipolar disorder, serum brain-derived neurotrophic factor (BDNF) level decreases leading to dysfunctions of critical neurotrophic, cellular plasticity and neuroprotective processes. The present study was conducted to evaluate the change in serum BDNF level with oxcarbazepine monotherapy in bipolar mania.
The present study is a prospective, interventional, open label clinical study conducted on 25 patients of bipolar mania and 25 healthy controls. Detailed history, clinical evaluation including Young Mania Rating Scale (YMRS) scoring and serum BDNF were assessed at baseline for all 50 subjects. The bipolar patients were prescribed tablet oxcarbazepine and followed up after 4 weeks for clinical evaluation and re-estimation of serum BDNF and YMRS scoring.
The serum BDNF level in bipolar manic patients were compared with healthy controls at baseline and results revealed that there is a significant reduction (p=0.002) in serum BDNF level in bipolar patients. At follow-up after 4 weeks, the mean change in serum BDNF in bipolar group who were on oxcarbazepine monotherapy was found statistically significant (p=0.02) in comparison to healthy controls. In bipolar group, the YMRS score and serum BDNF at baseline have an inverse relation(r=−0.59) whereas change of the YMRS score had a positive correlation (r=0.67) with the change of serum BDNF over 4 weeks.
In bipolar mania serum BDNF level is low and it is found to be increased with short term monotherapy with oxcarbazepine.


Bipolar disorder; Brain-derived neurotrophic factor; Oxcarbazepine; Young Mania Rating Scale
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