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Compositions, methods and systems for respiratory delivery of two or more active agents

  • US 9,415,009 B2
  • Filed: 07/17/2014
  • Issued: 08/16/2016
  • Est. Priority Date: 05/29/2009
  • Status: Active Grant
First Claim
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1. A method for treating a pulmonary disease or disorder in a patient, the method comprising:

  • providing a pharmaceutically acceptable co-suspension deliverable from a metered dose inhaler, the co-suspension comprising;

    a suspension medium comprising a pharmaceutically acceptable propellant;

    one or more species of respirable active agent particles comprising two or more active agents; and

    a plurality of respirable suspending particles different than the active agent particles and comprising a particulate phospholipid material that is substantially insoluble in the suspension medium, wherein the active agent particles and suspending particles are co-suspended in the suspension medium at a weight ratio of total mass of the suspending particles to total mass of the one or more species of active agent particles that ranges from above 1;

    1 and up to 200;

    1; and

    administering a therapeutically effective amount of the pharmaceutically acceptable co-suspension.

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