Designing a new generation of antidepressant drugs

Mirtazapine enhances neurotransmission of both noradrenaline and serotonin with fewer side effects compared to traditional antidepressants.

• Longer-term changes in receptor sensitivity may explain delayed antidepressant effects.
• The dual action concept suggests that targeting both noradrenaline and serotonin may be more beneficial than focusing only on serotonin.
• Mirtazapine enhances serotonin transmission while blocking certain serotonin receptors, which may reduce side effects.
• Mirtazapine is associated with a better tolerability profile compared to venlafaxine, especially regarding cardiovascular side effects.
• The unique action of mirtazapine combines efficacy through dual neurotransmitter effects with specific receptor targeting for improved tolerability.

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