Comparative Pharmacology
Head-to-head clinical analysis: NUPLAZID versus QUETIAPINE.
Peer-Reviewed Evidence
Head-to-head clinical analysis: NUPLAZID versus QUETIAPINE.
NUPLAZID vs Quetiapine
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Selective serotonin 5-HT2A receptor inverse agonist and antagonist; also has moderate affinity for 5-HT2C and 5-HT1A receptors.
Antagonist at serotonin 5-HT2A, dopamine D2, histamine H1, and adrenergic α1 receptors; weak partial agonist at 5-HT1A and serotonin transporter.
34 mg orally once daily.
Initial: 25 mg PO BID, titrate to effective range 150-750 mg/day divided BID-TID; schizophrenia: 150-750 mg/day, bipolar disorder: 400-800 mg/day, major depressive disorder (adjunct): 150-300 mg/day at bedtime.
None Documented
None Documented
Terminal elimination half-life is approximately 50 hours (range 40-70 hours), allowing once-daily dosing.
Clinical Note
moderateQuetiapine + Levofloxacin
"Quetiapine may increase the QTc-prolonging activities of Levofloxacin."
Clinical Note
moderateQuetiapine + Norfloxacin
"Quetiapine may increase the QTc-prolonging activities of Norfloxacin."
Clinical Note
moderateQuetiapine + Gemifloxacin
"Quetiapine may increase the QTc-prolonging activities of Gemifloxacin."
Clinical Note
moderateQuetiapine + Fluticasone propionate
"The risk or severity of adverse effects can be increased when Quetiapine is combined with Fluticasone propionate."
Terminal elimination half-life: ~6-7 hours (parent drug); extended-release: ~7 hours. Clinically, dosing is twice daily for immediate-release; once daily for extended-release.
Fecal (approximately 60%) as unchanged drug and metabolites; renal (approximately 13%) as unchanged drug and metabolites.
Renal: 73% (as metabolites), Fecal: 20% (as metabolites), unchanged drug: <1% renal
Category C
Category C
Atypical Antipsychotic
Atypical Antipsychotic