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Delivery of antipsychotics through an inhalation route

  • US 7,078,020 B2
  • Filed: 12/30/2003
  • Issued: 07/18/2006
  • Est. Priority Date: 05/24/2001
  • Status: Expired due to Term
First Claim
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1. A method of treating psychosis in a patient comprising administering a therapeutic amount of a drug condensation aerosol to the patient by inhalation,wherein the drug is selected from the group consisting of olanzapine, trifluoperazine, haloperidol, loxapine, risperidone, clozapine, quetiapine, promazine, thiothixene, chlorpromazine, droperidol, prochlorperazine and fluphenazine, andwherein the condensation aerosol is formed by heating a thin layer containing the drug, on a solid support, to produce a vapor of the drug, and condensing the vapor to form a condensation aerosol characterized by less than 10% drug degradation products by weight, and an MMAD of less than 5 microns.

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