Hydroxybupropion

Hydroxybupropion is an active metabolite of the antidepressant drug bupropion. It is formed in the body after consumption of bupropion and is believed to contribute to the antidepressant effects of the parent drug. Hydroxybupropion is pharmacologically active, meaning it has effects in the body, and it is present in the blood at levels similar to those of bupropion itself.

Pharmacology

Hydroxybupropion is a norepinephrine-dopamine reuptake inhibitor (NDRI), like bupropion. This means it increases the levels of the neurotransmitters norepinephrine and dopamine in the brain by inhibiting their reuptake into neurons. This is thought to be the mechanism by which it exerts its antidepressant effects.

Metabolism

Hydroxybupropion is formed from bupropion in the body by the enzyme CYP2B6. This enzyme is part of the cytochrome P450 system, which is responsible for metabolizing many drugs. The formation of hydroxybupropion is a major metabolic pathway for bupropion, and the metabolite is present in the blood at levels similar to those of the parent drug.

Clinical significance

The clinical significance of hydroxybupropion is not fully understood. It is known to be pharmacologically active and to contribute to the effects of bupropion, but its exact role is not clear. Some studies have suggested that it may contribute to the side effects of bupropion, such as insomnia and dry mouth, but more research is needed to confirm this.

See also

• Bupropion
• Metabolite
• Antidepressant
• CYP2B6

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  Hydroxybupropion