Gene Influences Antidepressant Response

Armen Hareyan's picture
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Antidepressants

Whether depressed patients will respond to an antidepressant depends, in part, on which version of a gene they inherit, a study led by scientists at the National Institutes of Health (NIH) has discovered. Having two copies of one version of a gene that codes for a component of the brain's mood-regulating system increased the odds of a favorable response to an antidepressant by up to 18 percent, compared to having two copies of the other, more common version.

Since the less common version was over 6 times more prevalent in white than in black patients

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