Compositions with modulating agents
First Claim
1. A waterless composition comprising one or more active agents and a carrier for topical delivery of the one or more active agents suitable for stabilizing at least one of said one or more active agents, said carrier comprising:
- a) about 25% to about 98% of at least one polar solvent selected from the group consisting of a polyol, a polyethylene glycol, and combinations thereof;
b) a modulating agent;
c) about 0.01% to about 5% by weight of at least one polymeric agent;
d) a surface active agent; and
e) a foam adjuvant selected from the group consisting of a fatty alcohol having 15 or more carbons in its carbon chain, a fatty acid having 16 or more carbons in its carbon chain and mixtures of any two or more thereof;
wherein the at least one active agent is chemically unstable in the carrier in the absence of a modulating agent;
wherein the modulating agent is capable of and is selected to modulate or adjust the artificial pH of the carrier to an artificial pH or to provide an artificial pH buffering effect such that the chemical stability of the at least one active agent is increased as compared to its stability in the carrier without the modulating agent; and
wherein if the waterless composition is packaged in an aerosol container and a liquefied or compressed gas propellant is added at a concentration of about 3% to about 25% by weight of the waterless composition, then the composition will be capable upon release from the aerosol container to expand to form a breakable foam that collapses upon application of shear force.
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Accused Products
Abstract
The present invention relates to a waterless composition and foam as a vehicle in which an active pharmaceutical or cosmetic agent, when added is stable or stabilized by or its destabilization is impeded by the presence of a modulating agent. The pharmaceutical or cosmetic composition and foam, includes: a waterless solvent, a modulating agent and one or more active pharmaceutical or cosmetic agents. The present invention also relates to a method of treatment administering the waterless composition and foam.
913 Citations
63 Claims
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1. A waterless composition comprising one or more active agents and a carrier for topical delivery of the one or more active agents suitable for stabilizing at least one of said one or more active agents, said carrier comprising:
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a) about 25% to about 98% of at least one polar solvent selected from the group consisting of a polyol, a polyethylene glycol, and combinations thereof; b) a modulating agent; c) about 0.01% to about 5% by weight of at least one polymeric agent; d) a surface active agent; and e) a foam adjuvant selected from the group consisting of a fatty alcohol having 15 or more carbons in its carbon chain, a fatty acid having 16 or more carbons in its carbon chain and mixtures of any two or more thereof; wherein the at least one active agent is chemically unstable in the carrier in the absence of a modulating agent; wherein the modulating agent is capable of and is selected to modulate or adjust the artificial pH of the carrier to an artificial pH or to provide an artificial pH buffering effect such that the chemical stability of the at least one active agent is increased as compared to its stability in the carrier without the modulating agent; and wherein if the waterless composition is packaged in an aerosol container and a liquefied or compressed gas propellant is added at a concentration of about 3% to about 25% by weight of the waterless composition, then the composition will be capable upon release from the aerosol container to expand to form a breakable foam that collapses upon application of shear force. - View Dependent Claims (2, 3, 4, 5, 6, 7, 61, 62, 63)
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8. A foamable waterless composition comprising:
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a. a therapeutically effective concentration of one or more active agents; b. a carrier for topical delivery of the one or more active agents suitable for stabilizing at least one of said one or more active agents, comprising i. about 25% to about 98% of at least polar solvent selected from the group consisting of (1) a polyol; and
(2) a polyethylene glycol (PEG);ii. 0% to about 75% of a secondary polar solvent; iii. a modulating agent iv. about 0.01% to about 5% by weight of at least one polymeric agent and mixtures of any two or more thereof, wherein the polymeric agent is selected from the group consisting of a locust bean gum, sodium alginate, sodium caseinate, an egg albumin, a gelatin agar, a carrageenin gum, a xanthan gum, a quince seed extract, a tragacanth gum, a guar gum, a cationic guar, a hydroxypropyl guar gum, a starch, an amine-bearing polymer, a chitosan, an alginic acid, a hyaluronic acid, a chemically modified starch, a carboxyvinyl polymer, a polyvinyl alcohol, a polyacrylic acid polymer, a polymethacrylic acid polymer, a polyvinyl acetate, a polyvinyl chloride polymer, a polyvinylidene chloride polymer, a methylcellulose, a hydroxypropyl cellulose, a hydroxypropyl methylcellulose, a hydroxyethyl cellulose, a methylhydroxyethylcellulose, a hydroxyethyl carboxymethyl cellulose, a carboxymethyl cellulose, a cationic cellulose, a PEG 1000, a PEG 4000, a PEG 6000, a PEG 8000 and a carbomer; v. a surface active agent; vi. a foam adjuvant selected from the group consisting of a fatty alcohol having 15 or more carbons in its carbon chain, a fatty acid having 16 or more carbons in its carbon chain and mixtures of any two or more thereof; and vii. a liquefied or compressed gas propellant at a concentration of about 3% to about 25% by weight of the foamable waterless composition wherein the gas propellant is essentially free of chlorofluorocarbons; wherein the at least one active agent is chemically unstable in the carrier in the absence of a modulating agent; wherein the modulating agent is capable of and is selected to modulate or adjust the artificial pH of the carrier to an artificial pH or to provide an artificial pH buffering effect such that the chemical stability of the at least one active agent is increased as compared to its stability in the carrier without the modulating agent wherein the carrier is shakable or flowable; and wherein the composition is stored in an aerosol container and upon release expands to form a breakable foam that collapses upon application of shear force. - View Dependent Claims (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, 53, 54)
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49. A method of treating a disorder of mammalian subject, comprising:
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administering a composition to a target site, the composition comprising; one or more active agents and a waterless carrier for topical delivery of the one or more active agents, wherein the waterless carrier is suitable for stabilizing at least one of said one or more active agents, said waterless carrier comprising; a) about 25% to about 98% of at least polar solvent selected from the group consisting of (1) a polyol; and
(2) a polyethylene glycol (PEG) solvent;b) a modulating agent; c) about 0.01% to about 5% by weight of at least one polymeric agent; d) a surface active agent; and e) a foam adjuvant selected from the group consisting of a fatty alcohol having 15 or more carbons in its carbon chain, a fatty acid having 16 or more carbons in its carbon chain and mixtures of any two or more thereof; wherein the at least one active agent is chemically unstable in the carrier in the absence of a modulating agent; wherein the modulating agent is capable of and is selected to modulate or adjust the artificial pH of the carrier to an artificial pH or to provide an artificial pH buffering effect such that the chemical stability of the at least one active agent is increased as compared to its stability in the carrier without the modulating agent; and wherein if the composition is packaged in an aerosol container and a liquefied or compressed gas propellant is added at a concentration of about 3% to about 25% by weight of the composition, then the composition will be capable upon release from the aerosol container to expand to form a breakable foam that collapses upon application of shear force.
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50. A method of treating a disorder of mammalian subject, comprising:
administering a foamable composition to a target site, the composition comprising; a foamable waterless composition comprising; a. a therapeutically effective concentration of one or more active agents; b. a carrier for topical delivery of the one or more active agents suitable for stabilizing at least one of said one or more active agents, comprising i. about 25% to about 98% of at least polar solvent selected from the group consisting of (1) a polyol; and
(2) a polyethylene glycol (PEG);ii. 0% to about 75% of a secondary polar solvent; iii. a modulating agent; iv. about 0.01% to about 5% by weight of at least one polymeric agent; v. a surface active agent; vi. a foam adjuvant selected from the group consisting of a fatty alcohol having 15 or more carbons in its carbon chain, a fatty acid having 16 or more carbons in its carbon chain and mixtures of any two or more thereof; and vii. a liquefied or compressed gas propellant at a concentration of about 3% to about 25% by weight of the foamable waterless composition wherein the gas propellant is essentially free of chlorofluorocarbons; wherein the at least one active agent is chemically unstable in the carrier in the absence of a modulating agent; wherein the modulating agent is capable of and is selected to modulate or adjust the artificial pH of the carrier to an artificial pH or to provide an artificial pH buffering effect such that the chemical stability of the at least one active agent is increased as compared to its stability in the carrier without the modulating agent; wherein the carrier is shakable or flowable; and wherein the foamable waterless composition is stored in an aerosol container and upon release expands to form a breakable foam that collapses upon application of shear force; and wherein the polymeric agent is selected from the group consisting of a locust bean gum, sodium alginate, sodium caseinate, an egg albumin, a gelatin agar, a carrageenin gum, a xanthan gum, a quince seed extract, a tragacanth gum, a guar gum, a cationic guar, a hydroxypropyl guar gum, a starch, an amine-bearing polymer, a chitosan, an alginic acid, a hyaluronic acid, a chemically modified starch, a carboxyvinyl polymer, a polyvinyl alcohol, a polyacrylic acid polymer, a polymethacrylic acid polymer, a polyvinyl acetate, a polyvinyl chloride polymer, a polyvinylidene chloride polymer, a methylcellulose, a hydroxypropyl cellulose, a hydroxypropyl methylcellulose, a hydroxyethyl cellulose, a methylhydroxyethylcellulose, a hydroxyethyl carboxymethyl cellulose, a carboxymethyl cellulose, a cationic cellulose, a PEG 1000, a PEG 4000, a PEG 6000, a PEG 8000 and a carbomer. - View Dependent Claims (51, 52)
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55. A foamable waterless composition comprising:
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a. a therapeutically effective concentration of one or more active agents; b. a carrier for topical delivery of the one or more active agents suitable for stabilizing at least one of said one or more active agents, comprising; i. about 25% to about 98% of at least polar solvent selected from the group consisting of (1) a polyol; and
(2) a polyethylene glycol;ii. 0% to about 75% of a secondary polar solvent; iii. a modulating agent; iv. about 0.01% to about 5% by weight of at least one polymeric agent; v. a surface active agent; vi. a foam adjuvant selected from the group consisting of a fatty alcohol having 15 or more carbons in its carbon chain, a fatty acid having 16 or more carbons in its carbon chain and mixtures of any two or more thereof; and vii. a liquefied or compressed gas propellant at a concentration of about 3% to about 25% by weight of the foamable waterless composition, wherein the gas propellant is essentially free of chlorofluorocarbons; wherein the at least one active agent is chemically unstable in the carrier in the absence of a modulating agent;
wherein the modulating agent comprises one or more agents that are capable of impeding said destabilization and or are capable of stabilizing the active agent by chelating a metal ion such that the modulating agent is capable of reducing in the carrier the availability of metal ions so the stability of at least one active agent is improved when compared to its stability in the carrier without the modulating agent;wherein the carrier is shakable or flowable; and wherein the composition is stored in an aerosol container and upon release expands to form a breakable foam that collapses upon application of shear force; and wherein the polymeric agent is selected from the group consisting of a locust bean gum, sodium alginate, sodium caseinate, an egg albumin, a gelatin agar, a carrageenin gum, a xanthan gum, a quince seed extract, a tragacanth gum, a guar gum, a cationic guar, a hydroxypropyl guar gum, a starch, an amine-bearing polymer, a chitosan, an alginic acid, a hyaluronic acid, a chemically modified starch, a carboxyvinyl polymer, a polyvinyl alcohol, a polyacrylic acid polymer, a polymethacrylic acid polymer, a polyvinyl acetate, a polyvinyl chloride polymer, a polyvinylidene chloride polymer, a methylcellulose, a hydroxypropyl cellulose, a hydroxypropyl methylcellulose, a hydroxyethyl cellulose, a methylhydroxyethylcellulose, a hydroxyethyl carboxymethyl cellulose, a carboxymethyl cellulose, a cationic cellulose, a PEG 1000, a PEG 4000, a PEG 6000, a PEG 8000 and a carbomer. - View Dependent Claims (56, 57, 58, 59)
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60. A foamable waterless carrier for use with a therapeutically effective concentration of one or more active agents comprising:
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i. about 25% to about 98% of at least polar solvent selected from the group consisting of (1) a polyol; and
(2) a polyethylene glycol;
0% to about 75% of a secondary polar solvent;ii. a modulating agent; iii. about 0.01% to about 5% by weight of at least one polymeric agent; iv. a surface active agent; v. a foam adjuvant selected from the group consisting of a fatty alcohol having 15 or more carbons in its carbon chain, a fatty acid having 16 or more carbons in its carbon chain and mixtures of any two or more thereof; and vi. a liquefied or compressed gas propellant at a concentration of about 3% to about 25% by weight of the foamable waterless carrier, wherein the gas propellant is essentially free of chlorofluorocarbons wherein at least one active agent if present is susceptible, to one or more of reaction, breakdown, ionization or oxidation; wherein the modulating agent comprises one or more agents that are capable of impeding said destabilization and or are capable of stabilizing the active agent primarily by modulating or adjusting the artificial pH of the carrier such that the modulating agent is capable of producing in the waterless carrier an artificial pH or an artificial pH buffering effect at about a pH or pH range in which the stability of at least one active agent is improved when compared to its stability in the carrier without the modulating agent and or by chelating a metal ion such that the modulating agent is capable of reducing in the waterless carrier the availability of metal ions so the stability of at least one active agent is improved when compared to its stability in the carrier without the modulating agent; wherein the foamable waterless carrier is shakable or flowable; and wherein the foamable waterless carrier is stored in an aerosol container and upon release expands to form a breakable foam that collapses upon application of shear force; and wherein the polymeric agent is selected from the group consisting of a locust bean gum, sodium alginate, sodium caseinate, an egg albumin, a gelatin agar, a carrageenin gum, a xanthan gum, a quince seed extract, a tragacanth gum, a guar gum, a cationic guar, a hydroxypropyl guar gum, a starch, an amine-bearing polymer, a chitosan, an alginic acid, a hyaluronic acid, a chemically modified starch, a carboxyvinyl polymer, a polyvinyl alcohol, a polyacrylic acid polymer, a polymethacrylic acid polymer, a polyvinyl acetate, a polyvinyl chloride polymer, a polyvinylidene chloride polymer, a methylcellulose, a hydroxypropyl cellulose, a hydroxypropyl methylcellulose, a hydroxyethyl cellulose, a methylhydroxyethylcellulose, a hydroxyethyl carboxymethyl cellulose, a carboxymethyl cellulose, a cationic cellulose, a PEG 1000, a PEG 4000, a PEG 6000, a PEG 8000 and a carbomer.
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Specification