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U.S. Department of Health and Human Services

Safety

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Fanapt (iloperidone) Tablets

Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER)  

 

January 2013

Summary View

5 WARNINGS AND PRECAUTIONS

5.3 Neuroleptic Malignant Syndrome (NMS)
  • A potentially fatal symptom complex sometimes referred to as Neuroleptic Malignant Syndrome (NMS) has been reported in association with administration of antipsychotic drugs, including FANAPT.

6 ADVERSE REACTIONS

6.1 Clinical Studies Experience
  • The information below is derived from a clinical trial database for FANAPT consisting of 2070 patients exposed to FANAPT at doses of 10 mg/day or greater, for the treatment of schizophrenia. Of these, 806 received FANAPT for at least 6 months, with 463 exposed to FANAPT for at least 12 months.

7 DRUG INTERACTIONS

7.2 Potential for FANAPT to Affect Other Drugs
  • In vitro studies in human liver microsomes showed that iloperidone does not substantially inhibit the metabolism of drugs metabolized by the following cytochrome P450 isozymes: CYP1A1, CYP1A2, CYP2A6, CYP2B6, CYP2C8, CYP2C9, or CYP2E1. Based on in vitro studies, iloperidone is a time-dependent inhibitor of CYP3A at therapeutic exposure levels. Co-administration of iloperidone may lead to an increase in plasma levels of drugs that are predominantly eliminated by CYP3A4 

 

 

January 2012

Summary View

5 WARNINGS AND PRECAUTIONS

5.5 Metabolic Changes
  • new section added; see PI for details
     

 

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