MATERIALS AND METHODS: Candida albicans, Streptococcus mutans, and Staphylococcus aureus were incubated with modified and unmodified silicone groups (N = 35) for 30 days at 37°C. The counts of viable microorganisms in the accumulating biofilm layer were determined and converted to cfu/cm2 unit surface area. A scanning electron microscope (SEM) was used to evaluate the microbial adhesion. Statistical analysis was performed using t-test, one-way ANOVA, and post hoc tests as indicated.
RESULTS: Significant differences in microbial adhesion were observed between modified and unmodified silicone elastomers after the cells were incubated for 30 days (p < 0.001). SEM showed evident differences in microbial adhesion on modified silicone elastomer compared with unmodified silicone elastomer.
CONCLUSIONS: Surface modification of silicone elastomer yielding a smoother and less porous surface showed lower adhesion of different microorganisms than observed on unmodified surfaces.
METHODS: We isolated a strain of C. albicans from plaques on the oral mucus membrane of an infected patient. Colonies of this strain were exposed for 1 24 h, to 5%ALA-PTt, 5%ALA-PTt buffered to pH 6.5 (the pH of the oral mucosa) (5%ALA-PTtb) or not exposed (control). The 1 h-exposed samples were also irradiated at a wavelength of 630 nm with 0.14 watts (W) and 0.37 W/cm2 for 7 min at a distance of <1 mm.
RESULTS AND CONCLUSION: The 5% ALA-PTt preparation was shown to be effective in reducing the growth of biofilm and inoculum of C. albicans. This effect seems to be linked to the intrinsic characteristics of 5%ALA-TPt, such acidic pH and the induction of free radical production. This outcome was significantly enhanced by the effect of PDT at relatively short incubation and irradiation times, which resulted in growth inhibition of both treated biofilm and inoculum by ∼80% and ∼95%, respectively.
METHODS: A systematic literature search was conducted across major databases, including PubMed, EMBASE, and the Cochrane Library, to identify relevant randomized controlled trials (RCTs) evaluating the efficacy and safety of ibrexafungerp in the treatment of VVC. Following rigorous methodology, data extraction, risk of bias assessment using Cochrane's RoB 2 tool, and meta-analysis were conducted.
RESULTS: Four RCTs were included in the analyses. The ibrexafungerp regimen utilized across the studies were 300 mg administered twice daily for one day. Meta-analysis revealed that ibrexafungerp was associated with significantly higher clinical cure rates compared to placebo in patients with VVC (pooled odds ratio (OR) 2.32; 95 % confidence interval (CI) 1.80 to 2.98). Complete symptom resolution was achieved in a greater proportion of participants receiving ibrexafungerp (pooled OR 2.76; 95 % CI 1.62 to 4.71). Analysis of treatment-emergent adverse events revealed a significant higher incidence of at least one treatment-emergent adverse event with ibrexafungerp compared to placebo (pooled OR 2.83; 95 % CI 2.06 to 3.88).
CONCLUSION: This study provides robust support for the efficacy of ibrexafungerp in the treatment of VVC. While the safety profile of ibrexafungerp appears favorable with mostly mild adverse events reported, decision-making in the clinical context should be guided by individual patient factors.