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U.S. Department of Health and Human Services

Safety

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Navane (thiothixene)

Detailed View: Safety Labeling Changes Approved By FDA Center for Drug Evaluation and Research (CDER) -- July 2009

  • Navane (thiothixene) 1 mg, 2 mg, 5 mg, 10 mg, and 20 mg capsules
  • Navane (thiothixene) 5mg base /mL  oral concentrate
  • Navane (thiothixene) 2 mg base/mL and 10 mg base/mL injectable

Summary View

 

PRECAUTIONS

Leukopenia, Neutropenia and Agranulocytosis
  • Class Effect: In clinical trial and/or postmarketing experience, events of leukopenia/neutropenia have been reported temporally related to antipsychotic agents, including Navane. Agranulocytosis has also been reported.
  • Possible risk factors for leukopenia/neutropenia include pre-existing low white blood cell count (WBC) and history of drug-induced leukopenia/neutropenia. Patients with a history of a clinically significant low WBC or drug-induced leukopenia/neutropenia should have their complete blood count (CBC) monitored frequently during the first few months of therapy and discontinuation of Navane should be considered at the first sign of a clinically significant decline in WBC in the absence of other causative factors.
  • Patients with clinically significant neutropenia should be carefully monitored for fever or other symptoms or signs of infection and treated promptly if such symptoms or signs occur. Patients with severe neutropenia (absolute neutrophil count <1000/mm3) should discontinue Navane and have their WBC followed until recovery.