Solvent:Article Title: Lipid Systems for the Delivery of Amphotericin B in Antifungal Therapy
Article Snippet: Nanodisk (ND) , Sinonasal (a) , 44–80 , , DMPC:DMPG (7:3 weight ratio), ApoA-I, AmB. Thin film method; sonication and dialysis after addition of AmB and ApoA-I. , HSNE exposed to toxic conc. of AmB-ND (18 h): apical membranes permeable to K + ions at 10 μg/mL AmB; reduction of apical cell K + permeability at 75 μg/mL AmB with 85% reduction of LDH and no increase in LDH release at 150 μg/mL AmB. In vitro expression of A. fumigatus (ATCC 13073) conidia after 4 h exposure to AmB-ND (10 μg/mL) smaller than exposure to AmB; AmB-ND (50 μg/mL) RNA expression without statistical significance between AmB and AmB-ND. AmB-ND protected human nasal epithelia membranes from AmB toxicity. , [ , ] . .. SLN gel , Skin , 111.1 ± 2.2 (0.13 ± 0.04) , 93.8 ± 1.8 , AmB:lipid (1:10 weight ratio), Pluronic F127 (0.25% w / v ). Solvent diffusion method in aqueous system. , Antifungal activity against Trichophyton rubrum (ATCC 28188, KWIK-STIK 0444P), ZOI (72 h) 2.81 ± 0.13 mm. Stability (ζ –23.98 ± 1.36 mV) at 2–8 °C and 25 ± 2 °C, for 3 months. AmB in aqueous phase: 90.2 ± 1.1% (compritol ATO 888), 96.5 ± 1.4% (Precirol ATO 5, selected for preparation of SLNs gel), and 72.1 ± 2.7% (stearic acid). Ex vivo permeation studies on abdomen skin of female albino Wistar rats: AmB efflux 22.34 μg/cm 2 . PII (SLN gel) 0.11 ± 0.19 Higher skin deposition, lower skin irritation, high antifungal activity, localized delivery with minimal side effects. , [ ] . .. Glyceride dilaurate-based SLN (AmbiOnp) , Oral , 392.8 ± 6.97 , , GDL, PC-enriched lecithin, PEG-660-12-hydroxystearate, AmB. Probe sonication-assisted nanoprecipitation technique. , Easy redispersion of AmbiOnp in water (3 months, 2–8 °C). Significant increase in particle size at 25 and 40 °C after 3 months. AmB content in AmbiOnp (ζ –27.9 ± 0.2 mV) ≈ 100% (after 1 month), showing significant reduction after 3 months when stored at 25 °C and 40 °C. In vitro antifungal activity against C. albicans in SGF, MIC 7.812 μg/mL.In vivo PK studies (adult female Sprague-Dawley rats): C máx 1109.31 ± 104.79 ng/mL, AmbiOnp (3.6 mg/kg of AmB) oral, 24 h, comparable to C máx 1417.49 ± 85.52 ng/mL Fungizone ® (0.8 mg/kg of AmB), i.v. Low renal tissue levels of AmB in AmbiOnp at 8 h: 84.50 ± 22.896 ng/mL; without detectable levels post 8 h. , [ , ] .
Diffusion-based Assay:Article Title: Lipid Systems for the Delivery of Amphotericin B in Antifungal Therapy
Article Snippet: Nanodisk (ND) , Sinonasal (a) , 44–80 , , DMPC:DMPG (7:3 weight ratio), ApoA-I, AmB. Thin film method; sonication and dialysis after addition of AmB and ApoA-I. , HSNE exposed to toxic conc. of AmB-ND (18 h): apical membranes permeable to K + ions at 10 μg/mL AmB; reduction of apical cell K + permeability at 75 μg/mL AmB with 85% reduction of LDH and no increase in LDH release at 150 μg/mL AmB. In vitro expression of A. fumigatus (ATCC 13073) conidia after 4 h exposure to AmB-ND (10 μg/mL) smaller than exposure to AmB; AmB-ND (50 μg/mL) RNA expression without statistical significance between AmB and AmB-ND. AmB-ND protected human nasal epithelia membranes from AmB toxicity. , [ , ] . .. SLN gel , Skin , 111.1 ± 2.2 (0.13 ± 0.04) , 93.8 ± 1.8 , AmB:lipid (1:10 weight ratio), Pluronic F127 (0.25% w / v ). Solvent diffusion method in aqueous system. , Antifungal activity against Trichophyton rubrum (ATCC 28188, KWIK-STIK 0444P), ZOI (72 h) 2.81 ± 0.13 mm. Stability (ζ –23.98 ± 1.36 mV) at 2–8 °C and 25 ± 2 °C, for 3 months. AmB in aqueous phase: 90.2 ± 1.1% (compritol ATO 888), 96.5 ± 1.4% (Precirol ATO 5, selected for preparation of SLNs gel), and 72.1 ± 2.7% (stearic acid). Ex vivo permeation studies on abdomen skin of female albino Wistar rats: AmB efflux 22.34 μg/cm 2 . PII (SLN gel) 0.11 ± 0.19 Higher skin deposition, lower skin irritation, high antifungal activity, localized delivery with minimal side effects. , [ ] . .. Glyceride dilaurate-based SLN (AmbiOnp) , Oral , 392.8 ± 6.97 , , GDL, PC-enriched lecithin, PEG-660-12-hydroxystearate, AmB. Probe sonication-assisted nanoprecipitation technique. , Easy redispersion of AmbiOnp in water (3 months, 2–8 °C). Significant increase in particle size at 25 and 40 °C after 3 months. AmB content in AmbiOnp (ζ –27.9 ± 0.2 mV) ≈ 100% (after 1 month), showing significant reduction after 3 months when stored at 25 °C and 40 °C. In vitro antifungal activity against C. albicans in SGF, MIC 7.812 μg/mL.In vivo PK studies (adult female Sprague-Dawley rats): C máx 1109.31 ± 104.79 ng/mL, AmbiOnp (3.6 mg/kg of AmB) oral, 24 h, comparable to C máx 1417.49 ± 85.52 ng/mL Fungizone ® (0.8 mg/kg of AmB), i.v. Low renal tissue levels of AmB in AmbiOnp at 8 h: 84.50 ± 22.896 ng/mL; without detectable levels post 8 h. , [ , ] .
Activity Assay:Article Title: Lipid Systems for the Delivery of Amphotericin B in Antifungal Therapy
Article Snippet: Nanodisk (ND) , Sinonasal (a) , 44–80 , , DMPC:DMPG (7:3 weight ratio), ApoA-I, AmB. Thin film method; sonication and dialysis after addition of AmB and ApoA-I. , HSNE exposed to toxic conc. of AmB-ND (18 h): apical membranes permeable to K + ions at 10 μg/mL AmB; reduction of apical cell K + permeability at 75 μg/mL AmB with 85% reduction of LDH and no increase in LDH release at 150 μg/mL AmB. In vitro expression of A. fumigatus (ATCC 13073) conidia after 4 h exposure to AmB-ND (10 μg/mL) smaller than exposure to AmB; AmB-ND (50 μg/mL) RNA expression without statistical significance between AmB and AmB-ND. AmB-ND protected human nasal epithelia membranes from AmB toxicity. , [ , ] . .. SLN gel , Skin , 111.1 ± 2.2 (0.13 ± 0.04) , 93.8 ± 1.8 , AmB:lipid (1:10 weight ratio), Pluronic F127 (0.25% w / v ). Solvent diffusion method in aqueous system. , Antifungal activity against Trichophyton rubrum (ATCC 28188, KWIK-STIK 0444P), ZOI (72 h) 2.81 ± 0.13 mm. Stability (ζ –23.98 ± 1.36 mV) at 2–8 °C and 25 ± 2 °C, for 3 months. AmB in aqueous phase: 90.2 ± 1.1% (compritol ATO 888), 96.5 ± 1.4% (Precirol ATO 5, selected for preparation of SLNs gel), and 72.1 ± 2.7% (stearic acid). Ex vivo permeation studies on abdomen skin of female albino Wistar rats: AmB efflux 22.34 μg/cm 2 . PII (SLN gel) 0.11 ± 0.19 Higher skin deposition, lower skin irritation, high antifungal activity, localized delivery with minimal side effects. , [ ] . .. Glyceride dilaurate-based SLN (AmbiOnp) , Oral , 392.8 ± 6.97 , , GDL, PC-enriched lecithin, PEG-660-12-hydroxystearate, AmB. Probe sonication-assisted nanoprecipitation technique. , Easy redispersion of AmbiOnp in water (3 months, 2–8 °C). Significant increase in particle size at 25 and 40 °C after 3 months. AmB content in AmbiOnp (ζ –27.9 ± 0.2 mV) ≈ 100% (after 1 month), showing significant reduction after 3 months when stored at 25 °C and 40 °C. In vitro antifungal activity against C. albicans in SGF, MIC 7.812 μg/mL.In vivo PK studies (adult female Sprague-Dawley rats): C máx 1109.31 ± 104.79 ng/mL, AmbiOnp (3.6 mg/kg of AmB) oral, 24 h, comparable to C máx 1417.49 ± 85.52 ng/mL Fungizone ® (0.8 mg/kg of AmB), i.v. Low renal tissue levels of AmB in AmbiOnp at 8 h: 84.50 ± 22.896 ng/mL; without detectable levels post 8 h. , [ , ] .
Ex Vivo:Article Title: Lipid Systems for the Delivery of Amphotericin B in Antifungal Therapy
Article Snippet: Nanodisk (ND) , Sinonasal (a) , 44–80 , , DMPC:DMPG (7:3 weight ratio), ApoA-I, AmB. Thin film method; sonication and dialysis after addition of AmB and ApoA-I. , HSNE exposed to toxic conc. of AmB-ND (18 h): apical membranes permeable to K + ions at 10 μg/mL AmB; reduction of apical cell K + permeability at 75 μg/mL AmB with 85% reduction of LDH and no increase in LDH release at 150 μg/mL AmB. In vitro expression of A. fumigatus (ATCC 13073) conidia after 4 h exposure to AmB-ND (10 μg/mL) smaller than exposure to AmB; AmB-ND (50 μg/mL) RNA expression without statistical significance between AmB and AmB-ND. AmB-ND protected human nasal epithelia membranes from AmB toxicity. , [ , ] . .. SLN gel , Skin , 111.1 ± 2.2 (0.13 ± 0.04) , 93.8 ± 1.8 , AmB:lipid (1:10 weight ratio), Pluronic F127 (0.25% w / v ). Solvent diffusion method in aqueous system. , Antifungal activity against Trichophyton rubrum (ATCC 28188, KWIK-STIK 0444P), ZOI (72 h) 2.81 ± 0.13 mm. Stability (ζ –23.98 ± 1.36 mV) at 2–8 °C and 25 ± 2 °C, for 3 months. AmB in aqueous phase: 90.2 ± 1.1% (compritol ATO 888), 96.5 ± 1.4% (Precirol ATO 5, selected for preparation of SLNs gel), and 72.1 ± 2.7% (stearic acid). Ex vivo permeation studies on abdomen skin of female albino Wistar rats: AmB efflux 22.34 μg/cm 2 . PII (SLN gel) 0.11 ± 0.19 Higher skin deposition, lower skin irritation, high antifungal activity, localized delivery with minimal side effects. , [ ] . .. Glyceride dilaurate-based SLN (AmbiOnp) , Oral , 392.8 ± 6.97 , , GDL, PC-enriched lecithin, PEG-660-12-hydroxystearate, AmB. Probe sonication-assisted nanoprecipitation technique. , Easy redispersion of AmbiOnp in water (3 months, 2–8 °C). Significant increase in particle size at 25 and 40 °C after 3 months. AmB content in AmbiOnp (ζ –27.9 ± 0.2 mV) ≈ 100% (after 1 month), showing significant reduction after 3 months when stored at 25 °C and 40 °C. In vitro antifungal activity against C. albicans in SGF, MIC 7.812 μg/mL.In vivo PK studies (adult female Sprague-Dawley rats): C máx 1109.31 ± 104.79 ng/mL, AmbiOnp (3.6 mg/kg of AmB) oral, 24 h, comparable to C máx 1417.49 ± 85.52 ng/mL Fungizone ® (0.8 mg/kg of AmB), i.v. Low renal tissue levels of AmB in AmbiOnp at 8 h: 84.50 ± 22.896 ng/mL; without detectable levels post 8 h. , [ , ] .
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