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Revision as of 18:55, 9 March 2015
Switch medication from Clozapine to Lurasidon.
- Day 1: gradually reduce the dose of haloperidol with 12,5-25 mg a week 
- 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
- Clozapine is generally considered to be more effective than other antipsychotic drugs. Clozapine is often used in treatment-resistant schizophrenia (poor treatment response to 2 or more antipsychotic drugs). So a switch from clozapine to another antipsychotic drug could cause problems regarding effectiveness.  
- During this switch you could monitor ECG, especially in patients prone to QT-conduction problems.
- There is a possibility of QT interval prolongation.
- ↑ MHRA. SmPC Clozaril 100 mg tablets.
- ↑ McEvoy J P et al., Effectiveness of clozapine versus olanzapine, quetiapine, and risperidone in patients with chronic schizophrenia who did not respond to prior atypical antipsychotic treatment. Am J Psychiatry. 2006;163:600–610.
- ↑ Lewis S W et al., Randomized Controlled Trial of Effect of Prescription of Clozapine Versus Other Second-Generation Antipsychotic Drugs in Resistant Schizophrenia. Schizophrenia Bulletin vol.32 no.4 pp.715–723,2006.
- ↑ Agid O, Kapur S, Remington G, Emerging drugs for schizophrenia. Expert Opin Emerg Drugs. 2008 Sep;13(3):479-95.
- ↑ Stöllberger C, Huber JO, Finsterer J, Antipsychotic drugs and QT prolongation. Int Clin Psychopharmacol. 2005 Sep;20(5):243-51.
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