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Psychology

Atypical Antipsychotic Mechanisms in Treatment-Resistant Schizophrenia

Quick fact

Clozapine, the only antipsychotic specifically approved for treatment-resistant schizophrenia, binds loosely to dopamine D2 receptors and dissociates quickly, yet it works where every other antipsychotic fails—often after just a few weeks.

Why this is interesting

You might think stronger antipsychotic blockade always means better treatment. But in treatment-resistant schizophrenia, the opposite is often true—medications that block dopamine less tightly can be more effective. How can that be?