COMPOSITIONS FOR PULMONARY DELIVERY OF LONG-ACTING B2 ADRENERGIC RECEPTOR AGONISTS AND ASSOCIATED METHODS AND SYSTEMS
First Claim
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1. A pharmaceutical composition deliverable from a metered dose inhaler, comprising:
- a suspension medium comprising a pharmaceutically acceptable propellant;
a plurality of active agent particles comprising an active agent selected from a long-acting muscarinic antagonist (LAMA) active agent and a long-acting β
2 adrenergic receptor agonist (LABA) active agent; and
a plurality of respirable suspending particles, wherein the plurality of active agent particles associate with the plurality of suspending particles to form a co-suspension.
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Abstract
Compositions, methods and systems are provided for pulmonary delivery of long-acting muscarinic antagonists and long-acting β2 adrenergic receptor agonists via a metered dose inhaler. In particular embodiments, 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.
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Citations
54 Claims
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1. A pharmaceutical composition deliverable from a metered dose inhaler, comprising:
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a suspension medium comprising a pharmaceutically acceptable propellant; a plurality of active agent particles comprising an active agent selected from a long-acting muscarinic antagonist (LAMA) active agent and a long-acting β
2 adrenergic receptor agonist (LABA) active agent; anda plurality of respirable suspending particles, wherein the plurality of active agent particles associate with the plurality of suspending particles to form a co-suspension. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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2. A method for treating a pulmonary disease or disorder in a patient, the method comprising:
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providing metered dose inhaler comprising a pharmaceutically acceptable co-suspension, the co-suspension comprising; a suspension medium comprising a pharmaceutically acceptable propellant; a plurality of active agent particles comprising an active agent selected from a LAMA active agent and a LABA active agent; and a plurality of respirable suspending particles, wherein the plurality of active agent particles associate with the plurality of suspending particles; and administering the co-suspension to the patient by actuating the metered dose inhaler, wherein said administering of the co-suspension composition comprises delivering a therapeutically effective amount of the LAMA or LABA active agent to the patient. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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3. A method for respiratory delivery of a LAMA or LABA active agent to a patient, the method comprising;
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providing metered dose inhaler comprising a canister containing a pharmaceutically acceptable co-suspension comprising; a suspension medium comprising a pharmaceutically acceptable propellant; a plurality of active agent particles comprising an active agent selected from a LAMA active agent and a LABA active agent; and a plurality of respirable suspending particles, wherein the plurality of active agent particles associate with the plurality of suspending particles; and actuating the metered dose inhaler to provide respiratory delivery of the LAMA or LABA active agent to the patient. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41)
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42. A metered dose inhaler for delivery of a LAMA or a LABA active agent, the metered dose inhaler comprising:
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a canister containing a pharmaceutically acceptable co-suspension comprising; a suspension medium comprising a pharmaceutically acceptable propellant; a plurality of active agent particles comprising an active agent selected from a LAMA active agent and a LABA active agent; and a plurality of respirable suspending particles, wherein the plurality of active agent particles associate with the plurality of suspending particles; wherein the LAMA or LABA active agent included in the pharmaceutically acceptable co-suspension is chemically stable over a period of at least 18 months when stored at 5°
C. - View Dependent Claims (43, 44, 45, 46)
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47. A pharmaceutical composition deliverable from a metered dose inhaler, comprising:
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a suspension medium comprising a pharmaceutically acceptable HFA propellant; a plurality of active agent particles comprising formoterol, including any pharmaceutically acceptable salts, esters, isomers or solvates thereof, said active agent particles are included in the suspension medium at a concentration sufficient to provide a delivered dose of formoterol of between about 2 μ
g and about 10 μ
g per actuation of the metered dose inhaler; anda plurality of respirable suspending particles comprising perforated microstructures exhibiting a volume median optical diameter of between about 1.5 μ
m and about 10 μ
m, said perforated microstructures associate with the plurality of active agent particles to form a co-suspension. - View Dependent Claims (48)
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49. A method for respiratory delivery of LABA active agent to a patient, the method comprising;
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providing a metered dose inhaler comprising a canister containing a pharmaceutically acceptable co-suspension comprising; a suspension medium comprising a pharmaceutically acceptable HFA propellant; a plurality of active agent particles comprising formoterol, including pharmaceutically acceptable salts, esters, isomers or solvates thereof; and a plurality of respirable suspending particles, wherein the plurality of active agent particles associate with the plurality of suspending particles; and actuating the metered dose inhaler to provide respiratory delivery of formoterol to the patient at a DDU of ±
20%, or better, throughout emptying of the canister. - View Dependent Claims (50, 51, 52)
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53. A method for treating a pulmonary disease or disorder in a patient, the method comprising:
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providing metered dose inhaler comprising a pharmaceutically acceptable co-suspension, the co-suspension comprising; a suspension medium comprising a pharmaceutically acceptable HFA propellant; a plurality of active agent particles comprising formoterol, including pharmaceutically acceptable salts, esters, isomers or solvates thereof; and a plurality of respirable suspending particles, wherein the plurality of active agent particles associate with the plurality of suspending particles; and administering the co-suspension to the patient by actuating the metered dose inhaler, wherein said administering of the co-suspension composition comprises delivering a dose of 10 μ
g, or less, of formoterol per actuation of the metered dose inhaler and results in a clinically significant increase in FEV1 in the patient. - View Dependent Claims (54)
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Specification