# US 8,772,231 B2 · Stabilizing alkylglycoside compositions and methods thereof

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- Number: US 8,772,231 B2
- Document ID: US8772231B2
- Status: Granted
- Kind: B2
- Application number: 12/896,640
- Filed: 2010-10-01
- Published: 2011-01-27
- Granted: 2014-07-08
- Earliest claimed: 2006-06-23
- Assignees: Aegis Therapeutics, LLC
- Applicants: Edward T. Maggio
- Inventors: Edward T. Maggio
- Web page: https://patentgrep.com/patent/US8772231B2

## CPC

- A61K 31/70: Carbohydrates; Sugars; Derivatives thereof (sorbitol A61K31/047)
- A61K 9/0043: {Nose}
- A61K 9/127: Synthetic bilayered vehicles, e.g. liposomes or liposomes with cholesterol as the only non-phosphatidyl surfactant
- A61K 9/19: lyophilised {, i.e. freeze-dried, solutions or dispersions (lyophilised products with subsequent particle size reduction A61K9/14; granules or pellets made by lyphilisation A61K9/1682; solid oral dosage forms made by lyophilisation A61K9/2095; lyophilisation additives A61K47/00)}
- A61K 38/162: {from virus}
- A61K 38/1816: {Erythropoietin [EPO]}
- A61K 38/21: Interferons {[IFN]}
- A61K 38/27: Growth hormone [GH], i.e. somatotropin
- A61K 38/28: Insulins
- A61K 38/29: Parathyroid hormone, i.e. parathormone; Parathyroid hormone-related peptides
- A61K 47/26: Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharides; Derivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin
- A61P 3/10: for hyperglycaemia, e.g. antidiabetics
- A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D)
- A61P: SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS

## Abstract

The present invention relates to alkylglycoside-containing compositions and methods for increasing the stability, reducing the aggregation and immunogenicity, increasing the biological activity, and reducing or preventing fibrillar formation of insulin or an analog thereof.

## Claims

### Claim 1

A pharmaceutical composition for increasing the stability, reducing aggregation or reducing immunogenicity of human insulin comprising:
human insulin; and
an alkylglycoside,
wherein the alkylglycoside stabilizes, reduces aggregation, or reduces immunogenicity of the human insulin, wherein the alkylglycoside consists essentially of dodecyl-β-D-maltoside, and wherein the composition is stable for at least one month when stored at temperatures from about 25 to 37 degrees Celsius.

### Claim 2 (depends on 1)

The composition of claim 1, further comprising a buffering agent.

### Claim 3 (depends on 1)

The composition of claim 1, further comprising a mucosal delivery-enhancing agent selected from the group consisting of an aggregation inhibitory agent, a charge-modifying agent, a pH control agent, a degradative enzyme inhibitory agent, a mucolytic or mucus clearing agent, a chitosan, and a ciliostatic agent.

### Claim 4 (depends on 1)

The composition of claim 1, further comprising a membrane penetration-enhancing agent selected from the group consisting of a surfactant, a bile salt, a phospholipid additive, a mixed micelle, a liposome, a carrier, an alcohol, an enamine, a nitric oxide donor compound, a long-chain amphipathic molecule, a small hydrophobic penetration enhancer, a sodium or a salicylic acid derivative, a glycerol ester of acetoacetic acid, a cyclodextrin or beta-cyclodextrin derivative, a medium-chain fatty acid, a chelating agent, an amino acid or salt thereof, an N-acetylamino acid or salt thereof, an enzyme degradative to a selected membrane component and any combination thereof.

### Claim 5 (depends on 1)

The composition of claim 1, wherein the composition is in a lyophilized form.

### Claim 6 (depends on 5)

The composition of claim 5, wherein the lyophilized composition retains greater than 50% biological activity upon reconstitution.

### Claim 7 (depends on 1)

The composition of claim 1, wherein the composition is stable for at least two months.

### Claim 8 (depends on 1)

The composition of claim 1, wherein the composition is stable for at least one year when stored at about 4 degrees Celsius.

### Claim 9 (depends on 1)

The composition of claim 1, wherein the stability of the composition is determined by determining the bioactivity in an in vivo or in vitro assay.

### Claim 10 (depends on 1)

The composition of claim 1, wherein the composition is formulated for intransal, pulmonary, or buccal delivery.

### Claim 11 (depends on 1)

The composition of claim 1, with the proviso that the composition does not include a preservative.

### Claim 12 (depends on 1)

The composition of claim 1, wherein the composition is stable at room temperature for at least 60 days.

### Claim 13

A method for increasing the stability of human insulin comprising:
admixing human insulin and a stabilizing agent to form a composition, wherein the stabilizing agent is an alkylglycoside, wherein the alkylglycoside consists essentially of dodecyl-β-D-maltoside, and wherein the composition is stable for at least one month when stored at temperatures from about 25 to 37 degrees Celsius, thereby increasing the stability of human insulin.

### Claim 14 (depends on 13)

The method of claim 13, wherein the composition further comprises a buffer.

### Claim 15 (depends on 13)

The method of claim 13, wherein the composition further comprises a mucosal delivery-enhancing agent selected from the group consisting of an aggregation inhibitory agent, a charge-modifying agent, a pH control agent, a degradative enzyme inhibitory agent, a mucolytic or mucus clearing agent, a chitosan, and a ciliostatic agent.

### Claim 16 (depends on 13)

The method of claim 13, wherein the composition further comprises a membrane penetration-enhancing agent selected from the group consisting of a surfactant, a bile salt, a phospholipid additive, a mixed micelle, a liposome, a carrier, an alcohol, an enamine, a nitric oxide donor compound, a long-chain amphipathic molecule, a small hydrophobic penetration enhancer, a sodium or a salicylic acid derivative, a glycerol ester of acetoacetic acid, a cyclodextrin or beta-cyclodextrin derivative, a medium-chain fatty acid, a chelating agent, an amino acid or salt thereof, an N-acetylamino acid or salt thereof, an enzyme degradative to a selected membrane component and any combination thereof.

### Claim 17 (depends on 13)

The method of claim 13, wherein the composition is in a lyophilized form.

### Claim 18 (depends on 13)

The method of claim 13, with the proviso that the composition does not include a preservative.

### Claim 19 (depends on 13)

The method of claim 13, wherein the composition is stable at room temperature for at least 60 days.

### Claim 20

A method for reducing aggregation or immunogenicity of human insulin comprising:
admixing human insulin, and an agent to form a composition, wherein the agent is an alkylglycoside, wherein the alkylglycoside consists essentially of dodecyl-β-D-maltoside, and wherein the composition is stable for at least one month when stored at temperatures from about 25 to 37 degrees Celsius, thereby reducing aggregation or immunogenicity of human insulin.

### Claim 21 (depends on 20)

The method of claim 20, wherein the composition further comprises a buffering agent.

### Claim 22 (depends on 20)

The method of claim 20, wherein the composition further comprises EDTA.

### Claim 23 (depends on 20)

The method of claim 20, wherein the composition further comprises a mucosal delivery-enhancing agent selected from the group consisting of an aggregation inhibitory agent, a charge-modifying agent, a pH control agent, a degradative enzyme inhibitory agent, a mucolytic or mucus clearing agent, a chitosan, and a ciliostatic agent.

### Claim 24 (depends on 20)

The method of claim 20, wherein the composition further comprises a membrane penetration-enhancing agent selected from the group consisting of a surfactant, a bile salt, a phospholipid additive, a mixed micelle, a liposome, a carrier, an alcohol, an enamine, a nitric oxide donor compound, a long-chain amphipathic molecule, a small hydrophobic penetration enhancer, a sodium or a salicylic acid derivative, a glycerol ester of acetoacetic acid, a cyclodextrin or beta-cyclodextrin derivative, a medium-chain fatty acid, a chelating agent, an amino acid or salt thereof, an N-acetylamino acid or salt thereof, an enzyme degradative to a selected membrane component and any combination thereof.

### Claim 25 (depends on 20)

The method of claim 20, wherein the composition is in a lyophilized form.

### Claim 26 (depends on 25)

The method of claim 25, wherein the composition retains greater than 50% biological activity upon reconstitution.

### Claim 27 (depends on 20)

The method of claim 20, with the proviso that the composition does not include a preservative.

### Claim 28 (depends on 20)

The method of claim 20, wherein the composition is stable at room temperature for at least 60 days.

### Claim 29

A method of manufacturing a non-aggregated aqueous solution of human insulin comprising admixing an alkylglycoside in an aqueous solution of human insulin, wherein the alkylglycoside consists essentially of dodecyl-β-D-maltoside, and wherein the solution is stable for at least one month when stored at temperatures from about 25 to 37 degrees Celsius.

### Claim 30 (depends on 29)

The method of claim 29, wherein the solution is concentrated by ultrafiltration, affinity chromatography, selective absorption chromatography, ion exchange chromatography, lyophilization, dialysis, precipitation or salting-out.

### Claim 31

A pharmaceutical composition for increasing the stability, reducing aggregation or reducing immunogenicity of human insulin comprising:
human insulin; and
an agent comprising at least one alkylglycoside, wherein the alkylglycoside stabilizes, reduces aggregation, or reduces immunogenicity of the human insulin, wherein the alkylglycoside comprises at least 99% dodecyl-β-D-maltoside, and wherein the composition is stable for at least one month when stored at temperatures from about 25 to 37 degrees Celsius.

### Claim 32 (depends on 31)

The composition of claim 31, wherein the composition is stable for at least 60 days.

### Claim 33

A method for increasing the stability of human insulin comprising:
admixing human insulin and a stabilizing agent to form a composition, wherein the stabilizing agent comprises an alkylglycoside, wherein the alkylglycoside comprises at least 99% dodecyl-β-D-maltoside, and wherein the composition is stable for at least one month when stored at temperatures from about 25 to 37 degrees Celsius, thereby increasing the stability of human insulin.

### Claim 34 (depends on 33)

The method of claim 33, wherein the composition is stable for at least 60 days.
