Compositions, methods and systems for respiratory delivery of two or more active agents
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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Abstract
Compositions, methods and systems are provided for pulmonary or nasal delivery of two or more active agents via a metered dose inhaler. In one embodiment, the compositions include a suspension medium, active agent particles, and suspending particles, in which the active agent particles and suspending particles form a co-suspension within the suspension medium.
139 Citations
49 Claims
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1. A method for treating a pulmonary disease or disorder in a patient, the method comprising:
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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; andadministering a therapeutically effective amount of the pharmaceutically acceptable co-suspension. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
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Specification