LURASIDONE PHARMACOLOGY
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*Lurasidone* (brand name: Latuda*) is an **atypical antipsychotic medication* primarily used to treat:
*Schizophrenia* in adults and adolescents aged 13–17 years
*Bipolar Depression (Bipolar I Disorder)* as monotherapy or adjunctive therapy with lithium or valproate in adults and children aged 10–17 years
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🔬 *Mechanism of Action:*
Lurasidone works by *modulating the activity of certain neurotransmitters* in the brain:
*Dopamine D2 receptor antagonist*
*Serotonin 5-HT2A receptor antagonist*
Also has affinity for *5-HT7, 5-HT1A (partial agonist), and alpha2C receptors*
This helps improve **mood, thought processes, and perception**.
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💊 *Dosage:*
*Schizophrenia:*
Adults: 40–160 mg once daily with food
*Bipolar Depression:*
Starting dose: 20 mg/day (can go up to 120 mg/day)
👉 Always taken *with food* (at least 350 calories) to ensure adequate absorption.
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⚠️ *Common Side Effects:*
Somnolence (drowsiness)
Akathisia (restlessness)
Nausea
Parkinsonism
Weight gain (less than many other antipsychotics)
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❗ *Serious Risks:*
*Extrapyramidal symptoms (EPS)*
*Neuroleptic Malignant Syndrome (NMS)*
*Tardive dyskinesia*
*Metabolic changes* (though generally less severe than with olanzapine or clozapine)
*Suicidal thoughts* (especially in children/adolescents)
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🚫 *Contraindications:*
Hypersensitivity to lurasidone
Use with *strong CYP3A4 inhibitors* (e.g., ketoconazole) or *inducers* (e.g., rifampin)
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🔄 *Drug Interactions:*
**CYP3A4 inhibitors**: increase lurasidone levels → risk of toxicity
**CYP3A4 inducers**: decrease lurasidone levels → reduced efficacy
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If you’re using this for a research article, patient education, or pharmacology class, let me know — I can provide more tailored info like tables, references, or a comparative chart with other antipsychotics.