Clozapine-Ziprasidone

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Clozapine
Type Antipsychotic
Group Atypical AP
links
Medscape Clozapine
PubChem 2818
PubMed Clozapine
Kompas (Dutch) Clozapine
Wikipedia Clozapine
Ziprasidone
Type Antipsychotic
Group Atypical AP
Other use Moodstabilizer
links
Medscape Ziprasidone
PubChem 60854
PubMed Ziprasidone
Wikipedia Ziprasidone

Switch medication from Clozapine to Ziprasidone.[1] [2]

Nietinrijdenbord.png Stop Clozapine
  • Day 1: Decrease daily dose with 25 mg every 2 days
Eenrichtingbord.png Start Ziprasidone
  • Week 1: approx. 25% of target dose
  • Week 2: approx. 50% of target dose
  • Week 3: approx. 75% of target dose
  • Week 4: target dose
Infobord.png More information
  • During this switch you could monitor ECG, especially in patients prone to QT-conduction problems.
  • There is a possibility of QT interval prolongation.[3]
    StartStandDownClozapine.jpg
Nietinrijdenbord.png — Clozapine
Eenrichtingbord.png — Ziprasidone


  1. Switches are based on literature references on this page and expert opinions of the authors. The authors have used pharmacokinetic and receptor affinity properties to determine the switch schedules
  2. Stahl, S. M. (2013). Stahl's essential psychopharmacology: Neuroscientific basis and practical applications (4th ed.). Cambridge University Press.
  3. Stöllberger C, Huber JO, Finsterer J, Antipsychotic drugs and QT prolongation. Int Clin Psychopharmacol. 2005 Sep;20(5):243-51.
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