Abstract
Purpose
This study aimed to produce lipid complex-ITR (CL-ITR) to enhance the solubility of ITR which is then made into an in situ vaginal gel to maximize the local therapeutic effect of vulvovaginal candidiasis.
Methods
The CL-ITR was prepared by mixing ITR with Phospholipon 90G® (P90G) in different concentrations with solvent-evaporated methods. CL-ITR optimization was carried out by determining the solubility of ITR in CL-ITR and then characterized through FTIR, DSC, SEM, and profile release of ITR. Furthermore, the optimal CL-ITR formula was mixed into the gel base using Poloxamer (PF127 and PF68) and sodium alginate (SA) as gelling agents with various concentrations. The gel characteristics were then determined through Tsol-gel, pH, viscosity, time and mucoadhesive strength, and stability tests. Ex vivo evaluation was carried out using the porcine’s model to determine ITR that was permeated and retained on the vaginal mucosa and antifungal activity assay.
Results
The F5 with an ITR:P90G concentration of 1:5 is an optimized CL-ITR that is soluble ITR at 1275 ± 10.24 mg/mL. The G3 is the formula gel that retained the highest ITR, namely 4.72 ± 0.06 mg, and it had the lowest permeation of 1.90 ± 0.02 mg at 24 h. Furthermore, the time-killing test showed that G3 is the superlative formula against C. albicans, namely 3.58 ± 0.03 CFU/mL at 24 h.
Conclusion
ITR was successfully administered vaginally in the form of an in situ gel and had desirable values in every evaluation that was performed. Therefore, it can be an alternative to improve the effectiveness of ITR therapy for the treatment of vulvovaginal candidiasis.
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Acknowledgements
The authors are grateful to the Indonesia Endowment Funds for Education (LPDP) for the scholarship master’s degree in Pharmaceutical Science at Hasanuddin University. The authors are also grateful to Sesilia R Pakadang and St. Ratnah for the assistance provided in the ex vivo studies. The authors are also thankful to PT Tresna Abadi Sempurna as a LIPOID supplier who has kindly provided Phospholipon® 90G.
Funding
This study was supported by the Ministry of Education, Culture, Research, and Technology of Indonesia through the grant of “Penelitian Tesis Magister” (090/E5/PG.02.00/PT/2022).
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Muli Sukmawaty: conceptualization, methodology, data analysis, original draft writing, editing. Sartini: methodology, writing review, investigation. Andi Dian Permana: conceptualization, methodology, writing review, supervision. Mukarram Mudjahid: editor, writing review. Tri Puspita Roska: editor, writing review. Latifah Rahman: conceptualization, methodology, investigation, writing review, supervision, funding acquisition.
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Sukmawaty, M., Sartini, Permana, A.D. et al. Lipid Complex-Itraconazole in Thermosensitive Mucoadhesive Vaginal Gel to Enhance the Effectiveness of Therapy for Vulvovaginal Candidiasis: Formulation, Optimization, Characterization, and Ex vivo Evaluation. J Pharm Innov 18, 1546–1559 (2023). https://doi.org/10.1007/s12247-023-09738-1
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DOI: https://doi.org/10.1007/s12247-023-09738-1