Thermal treatment of acne with metal nanoparticles in surfactant containing solutions
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61K-041/00
A61K-008/02
A61K-008/29
A61Q-009/04
A61K-009/51
A61B-017/50
A61B-018/20
A61N-005/06
A61B-018/06
A61B-018/18
A61K-008/11
A61Q-009/00
A61Q-019/00
A61K-008/19
A61Q-019/06
A61Q-019/08
A61K-009/00
B82Y-005/00
A61B-018/00
A61N-005/067
출원번호
US-0471350
(2014-08-28)
등록번호
US-9433678
(2016-09-06)
발명자
/ 주소
Harris, Todd James
Chen Kim, Alice Ann
출원인 / 주소
Sienna Biopharmaceuticals, Inc.
대리인 / 주소
Knobbe, Martens, Olson & Bear, LLP
인용정보
피인용 횟수 :
1인용 특허 :
135
초록▼
Treatment of skin tissue with photoactive materials and light, such as nanoparticles and formulations which are useful for cosmetic, diagnostic and therapeutic applications to mammals such as humans. in particular, embodiments of thermal treatment of acne with metal nanoparticles in surfactant conta
Treatment of skin tissue with photoactive materials and light, such as nanoparticles and formulations which are useful for cosmetic, diagnostic and therapeutic applications to mammals such as humans. in particular, embodiments of thermal treatment of acne with metal nanoparticles in surfactant containing solutions are disclosed.
대표청구항▼
1. A method of treating acne with a surfactant composition, comprising: topically applying a composition comprising a surfactant and nanoparticles to a skin surface;wherein the nanoparticles have at least one peak absorption wavelength selected from the group consisting of: 755 nm, 800-810 nm, and 1
1. A method of treating acne with a surfactant composition, comprising: topically applying a composition comprising a surfactant and nanoparticles to a skin surface;wherein the nanoparticles have at least one peak absorption wavelength selected from the group consisting of: 755 nm, 800-810 nm, and 1064 nm,wherein the nanoparticles have a concentration of 109 to 1016 particles per ml of the composition,wherein the nanoparticles are unassembled,wherein the nanoparticles comprise a conductive metal portion comprising at least one of gold, silver, and platinum,wherein the nanoparticles comprise a coating that coats the conductive metal portion;targeting a sebaceous gland by redistributing a portion of the composition of nanoparticles from the skin surface to the sebaceous gland while a remaining portion of the composition is left on the skin surface;removing the remaining portion of the composition from the skin surface; andirradiating the composition of nanoparticles with an energy source to induce a surface plasmon in said nanoparticles, thereby localizing thermal damage to said sebaceous gland to treat acne. 2. The method of claim 1, wherein the nanoparticles have a size in at least one dimension in a range of 1 to 1,000 nm, wherein the surfactant comprises sodium dodecyl sulfate. 3. The method of claim 1, wherein the surfactant comprises at least one nonionic surfactant. 4. The method of claim 1, further comprising: a cosmetically acceptable carrier,wherein the surfactant is provided in an amount between 0.1 and about 10.0% weight-to-weight of the carrier,wherein the nanoparticles are plasmonic and have an optical density of 10 O.D. to 5,000 O.D. within an infrared light range. 5. The method of claim 1, wherein redistributing the composition of nanoparticles comprises distribution with at least one of a massage device and an ultrasound device configured for bubble formation or liquid micro streaming. 6. The method of claim 1, wherein the conductive metal portion is a silver nanoplate,wherein the nanoparticles have a size in at least one dimension in a range of 10 to 100 nm,wherein the coating is a non-metal silica coating,wherein the coating is less conductive than the conductive metal portion,wherein the composition comprises a gel or a cream. 7. A method of treating acne with a surfactant composition, comprising: topically applying a composition comprising nanoparticles and a surfactant to a skin surface,wherein the nanoparticles comprise a conductive metal portion,wherein the nanoparticles comprise a coating that coats the conductive metal portion comprising at least one of gold, silver, and platinumwherein the nanoparticles are unassembled,wherein the nanoparticles are provided in the range of 109 to 1016 particles in the composition;distributing a portion of the composition from the skin surface to a portion of a sebaceous gland while a remaining portion of the composition is left on the skin surface;wherein the surfactant facilitates distributing the composition to the portion of the sebaceous gland,removing the remaining portion of the composition from the skin surface while leaving the composition localized within the portion of the sebaceous gland; andexposing the composition to an energy wavelength selected from the group consisting of: 755 nm, 800-810 nm, and 1064 nm, thereby inducing a surface plasmon in said nanoparticles, thereby localizing thermal damage to said portion of the sebaceous gland to treat acne. 8. The method of claim 7, wherein the surfactant comprises at least one nonionic surfactant. 9. The method of claim 7, further comprising: a cosmetically acceptable carrier,wherein surfactant comprises sodium dodecyl sulfate,wherein the conductive metal portion is a silver nanoplate having a dimension in a range of 1-1,000 nm, andwherein the coating is less conductive than the conductive metal portion. 10. The method of claim 7, further comprising: pre-treating the skin surface, prior to exposing the composition to the energy wavelength, to increase distribution from the skin surface to the sebaceous gland, wherein pre-treating the skin surface comprises at least one of the group consisting of: hair removal, fractionated photothermolysis laser treatment, mechanical exfoliation, and chemical exfoliation. 11. The method of claim 7, wherein distributing the composition of nanoparticles comprises distribution with at least one of the group consisting of an ultrasound device and a massage device, wherein the surfactant comprises at least one nonionic surfactant. 12. The method of claim 7, wherein the conductive metal portion is a nanoplate,wherein the nanoplate has a peak absorption wavelength in a range selected from the group consisting of: 755 nm, 800-810 nm, and 1064 nm,wherein the surfactant comprises sodium dodecyl sulfate, andwherein the conductive metal portion is a silver nanoplate, wherein the coating comprises one or more of silica and polyethylene glycol (PEG). 13. The method of claim 7, wherein distributing the composition of nanoparticles in contact with the skin surface comprises distribution with a mechanical vibration device. 14. The method of claim 7, wherein the composition comprises a gel or a cream. 15. A method of treating a sebaceous gland with a surfactant composition, comprising: applying a composition comprising a surfactant and nanoparticles to a skin surface,wherein the nanoparticles have a concentration of 109 to 1016 particles per ml of the composition, wherein the nanoparticles are unassembled,wherein the nanoparticles comprise at least one of gold, silver, and platinumdistributing a portion of the composition of from the skin surface to a portion of a sebaceous gland while a remaining portion of the composition is left on the skin surface;wherein the nanoparticles comprise a coating,removing the remaining portion of the composition from the skin surface, andexposing the composition of nanoparticles to an energy wavelength, thereby localizing thermal damage to said portion of the sebaceous gland to treat acne. 16. The method of claim 15, further comprising: pre-treating the skin surface to increase delivery of the nanoparticles to the portion of the sebaceous gland;wherein distributing the composition of nanoparticles in contact with the skin surface comprises distribution with at least one of the group consisting of an ultrasound device and a massage device;wherein the surfactant comprises at least one nonionic surfactant; andwherein exposing the composition of nanoparticles to the energy wavelength induces a surface plasmon in said nanoparticles. 17. The method of claim 15, wherein distributing the composition of nanoparticles in contact with the skin surface comprises distribution with at least one of the group consisting of an ultrasound device and a massage device;wherein the energy wavelength is between 500 nm and 1200 nm,wherein exposing the composition of nanoparticles to the energy wavelength induces a surface plasmon in said nanoparticles. 18. The method of claim 15, wherein the nanoparticles comprise nanoplates,wherein the nanoplates have a size in at least one dimension in a range of 100 to 250 nm,wherein the nanoparticles have an optical density of 10 O.D. to 5,000 O.D. within an infrared light range and the concentration is 1011 to 1013 particles per ml of the composition;wherein the surfactant comprises sodium dodecyl sulfate; andwherein exposing the composition of nanoparticles to the energy wavelength induces a surface plasmon in said nanoparticles. 19. The method of claim 15, further comprising: a cosmetically acceptable carrier,wherein the surfactant is nonionic,wherein the nanoparticles are plasmonic,wherein distributing the composition of nanoparticles comprises distribution with at least one of the group consisting of an ultrasound device and a massage device; andwherein removing the composition from the skin surface comprises using water or alcohol to remove the composition from the skin surface while leaving the composition localized at the portion of the sebaceous gland. 20. The method of claim 15, wherein the composition comprises a gel or a cream.
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