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Salimi A, Mohammad Soleymani H, Mohammad Soleymani S. Altered Skin Permeation of Finasteride Using Clove Oil, Urea, and Lyophilized Powder of Grape Seed Extract. Adv Pharm Bull 2023; 13:96-103. [PMID: 36721808 PMCID: PMC9871283 DOI: 10.34172/apb.2023.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 10/04/2021] [Accepted: 12/31/2021] [Indexed: 02/03/2023] Open
Abstract
Purpose: Finasteride is a 5-alpha reductase inhibitor used to treat hair loss and acne. The skin permeation of finasteride is one of the main challenges associated with dermal drug delivery. One way to overcome the skin barrier is to use penetration enhancers. The purpose of this study was to investigate the effect of some penetration enhancers on finasteride permeability on the skin, as well as the effect of pretreatment time on their efficacy. Methods: In order to determine the effect of penetration enhancers on the skin permeability of finasteride, the skin was exposed to clove oil, urea, and lyophilized powder of grape seed extract (LPGSE) at different pretreatment times (2, 4 h), and then the permeability parameters were determined by passing the drug through the skin. Results: The results of this study showed that clove oil, urea, and LPGSE increased the transfer of finasteride from the skin. The highest rate of permeation was observed with clove oil (4 h), and the least permeability was observed with urea (4 h). Conclusion: Increasing the pretreatment time with clove oil and LPGSE increases the permeability of finasteride. Meanwhile, the increase in pretreatment time with urea reduces the penetration of finasteride from the skin due to reversible effects.
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Affiliation(s)
- Anayatollah Salimi
- Nanotechnology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran.,Department of Pharmaceutics, School of Pharmacy, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran
| | - Hamid Mohammad Soleymani
- Petroleum Research Laboratory, School of Chemical Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Saeed Mohammad Soleymani
- Department of Clinical Pharmacy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Corresponding Author: Saeed Mohammad Soleymani,
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Shah DS, Jha DK, Amin PD. Development, validation, and application of an RP-HPLC method for concurrent quantification of Minoxidil and Finasteride in a topical solution for hair regrowth. ANNALES PHARMACEUTIQUES FRANÇAISES 2020; 79:194-206. [PMID: 33091398 DOI: 10.1016/j.pharma.2020.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 10/09/2020] [Accepted: 10/13/2020] [Indexed: 11/25/2022]
Abstract
A topical solution comprising of Minoxidil (MXL) and Finasteride (FNS) for alopecia is formulated in the present work, which essentially contains a lipid-Lauroglycol FCC as a penetration enhancer. The objective of the proposed work was to develop a rapid, simple, and robust reverse phase high performance liquid chromatographic (RP-HPLC) method to determine MXL and FNS in the said formulation. Herein, the chromatographic conditions were optimized based on the theoretical principles of separation and physicochemical properties such as pKa and log P of both the Active Pharmaceutical Ingredients (APIs). The separation was accomplished on an Inertsil® ODS-3 C18 column (150mm×4.6mm; 5μm of particle size) at 25°C by using a mobile phase composed of 70:30 v/v ratio of Methanol and Milli-Q water along with 0.5% Triethylamine at pH 6.4 adjusted with Ortho Phosphoric Acid. Drug peaks showed a good resolution at 210nm. The retention times for MXL and FNS were found to be 2.40min and 6.39min, respectively. The developed method was found to be linear (R2≥0.998) in a concentration range of 5-100μg/mL for both the drugs. The method was validated according to the ICH guidelines Q2 (R1). The ability of the method to differentiate between the types formulations was demonstrated by the in vitro diffusion data performed using a highly sophisticated Strat-M® membrane. The cumulative amount of drug released (MXL and FNS) at the end of 24hours was maximum for the topical formulation containing lipids prepared using isopropyl alcohol and propylene glycol as the base.
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Affiliation(s)
- D S Shah
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, 400019 Matunga, India
| | - D K Jha
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, 400019 Matunga, India
| | - P D Amin
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, 400019 Matunga, India.
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Reis RHD, Paula FR, Machado MM, Duarte JA, Oliveira LFSD, Paim CS, Malesuik MD. Stability Study of Finasteride: Stability-Indicating LC Method, In Silico and LC-ESI-MS Analysis of Major Degradation Product, and an In Vitro Biological Safety Study. J Chromatogr Sci 2018; 56:531-540. [PMID: 29635452 DOI: 10.1093/chromsci/bmy028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Indexed: 11/14/2022]
Abstract
Stability studies of the pharmaceutically important compound finasteride were conducted in order to evaluate decomposition of the drug under forced degradation conditions. A simple stability-indicating liquid chromatography method was developed and validated for the evaluation of finasteride and degradation products formed in pharmaceutical preparations and the raw material. Isocratic LC separation was achieved on a C18 column using a mobile phase of o-phosphoric acid (0.1% v/v), adjusted to pH 2.8 with triethylamine (10% v/v) and acetonitrile (52:48 v/v), with a flow rate of 1.0 mL min-1. The alkaline degradation kinetics of the drug were also evaluated and could be best described as second-order kinetics under the experimental conditions applied for the tablets and raw material. Based on in silico studies and molecular weight confirmation, a comprehensive degradation pathway for the drug and the identity of its major product could be suggested without complicated isolation or purification processes. Furthermore, a biological safety study was performed to evaluate the effect of the degraded sample in relation to the intact molecule. The results showed that the degraded sample affected the cell proliferation. Therefore, these studies show that special care must be taken during the manipulation, manufacture and storage of this pharmaceutical drug.
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Affiliation(s)
| | - Fávero Reisdorfer Paula
- School of Pharmacy, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil.,Post Graduate Program in Pharmaceutical Sciences, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil
| | - Michel Mansur Machado
- School of Pharmacy, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil.,Post Graduate Program in Pharmaceutical Sciences, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil
| | - Jonathaline Apollo Duarte
- Post Graduate Program in Pharmaceutical Sciences, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil
| | - Luís Flávio Souza de Oliveira
- School of Pharmacy, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil.,Post Graduate Program in Pharmaceutical Sciences, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil
| | - Clésio Soldateli Paim
- School of Pharmacy, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil.,Post Graduate Program in Pharmaceutical Sciences, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil
| | - Marcelo Donadel Malesuik
- School of Pharmacy, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil.,Post Graduate Program in Pharmaceutical Sciences, Federal University of Pampa, UNIPAMPA, Uruguaiana, RS, Brazil
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Chen CH, Chao YY, Lin YH, Chen YL. Determination of finasteride and its metabolite in urine by dispersive liquid–liquid microextraction combined with field-enhanced sample stacking and sweeping. J Chromatogr A 2018. [DOI: 10.1016/j.chroma.2018.03.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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