PHOTODYNAMIC ANTI-GRAM-POSITIVE BACTERIAL ACTIVITY OF PHARMACEUTICAL-GRADE ROSE BENGAL
This invention contemplates combined use of a rose bengal (RB) derivative with irradiation of bacteria with light to treat and kill the irradiated bacteria. In one aspect, Gram-positive bacteria are treated in a method in which the bacteria are contacted with an aqueous pharmaceutical composition containing a rose bengal (RB) compound of Formula I, discussed within, dissolved or dispersed therein at about 0.2 to about 3.1 µg/mL. Those contacted bacteria are contacted with light of the wavelength about 500 nm to about 600 nm for a time period of about 1 to about 10 minutes to provide a light dose of about 0.7 to about 7.2 J/cm2. A similar method is contemplated for treating Gram-negative bacteria that are one or more of Burkholderia, Salmonella, and Proteus using an aqueous pharmaceutical composition containing about 2 to about 15 µM concentration of the RB compound..
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Patent| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Europäisches Patentamt - (2023) vom: 27. Juli Zur Gesamtaufnahme - year:2023 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
KUROSU MICHIO [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| Anmerkungen: |
Source: www.epo.org (no modifications made), First posted: 2023-07-27, Last update posted on www.tib.eu: 2023-09-21, Last updated: 2023-09-29 |
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| Patentnummer: |
US2023233515 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
EPA001835114 |
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| 520 | |a This invention contemplates combined use of a rose bengal (RB) derivative with irradiation of bacteria with light to treat and kill the irradiated bacteria. In one aspect, Gram-positive bacteria are treated in a method in which the bacteria are contacted with an aqueous pharmaceutical composition containing a rose bengal (RB) compound of Formula I, discussed within, dissolved or dispersed therein at about 0.2 to about 3.1 µg/mL. Those contacted bacteria are contacted with light of the wavelength about 500 nm to about 600 nm for a time period of about 1 to about 10 minutes to provide a light dose of about 0.7 to about 7.2 J/cm2. A similar method is contemplated for treating Gram-negative bacteria that are one or more of Burkholderia, Salmonella, and Proteus using an aqueous pharmaceutical composition containing about 2 to about 15 µM concentration of the RB compound. | ||
| 650 | 4 | |a A61P: Specific therapeutic activity of chemical compounds or medicinal preparations | |
| 650 | 4 | |a che | |
| 650 | 4 | |a med | |
| 650 | 4 | |a A61K: Preparations for medical, dental, or toilet purposes (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms a61j0003000000;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) | |
| 650 | 4 | |a A61N: Electrotherapy; magnetotherapy; radiation therapy; ultrasound therapy (measurement of bioelectric currents a61b;surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body a61b0018000000;anaesthetic apparatus in general a61m;incandescent lamps h01k;infra-red radiators for heating h05b) | |
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| 700 | 0 | |a PERSHING EDWARD V |4 aut | |
| 700 | 0 | |a HOROWITZ BRUCE |4 aut | |
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