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Alves LP, Oliveira KDS, dos Santos ACG, de Melo DF, Moreira LMCDC, Oshiro Junior JA, da Silva DTC, Cavalcanti ALDM, Damasceno BPGDL. Cellulose Acetate Microparticles Synthesized from Agave sisalana Perrine for Controlled Release of Simvastatin. Polymers (Basel) 2024; 16:1898. [PMID: 39000753 PMCID: PMC11243862 DOI: 10.3390/polym16131898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 06/14/2024] [Accepted: 06/22/2024] [Indexed: 07/17/2024] Open
Abstract
Simvastatin (SIM) is widely prescribed to treat hyperlipidemia, despite its limitations, such as a short half-life and low oral bioavailability. To overcome these drawbacks, the development of a controlled-release formulation is desirable. This study aims to develop a microparticulate system based on cellulose acetate (ACT) obtained from Agave sisalana Perrine to promote a controlled SIM release. SIM-loaded microparticles (SMP) were prepared using the solvent emulsification-evaporation method. Several parameters were evaluated, including particle size, surface charge, morphology, encapsulation efficiency, thermochemical characteristics, crystallinity, and in vitro release profile. ACT exhibited favorable flow properties after acetylation, with a degree of substitution values superior to 2.5, as confirmed by both the chemical route and H-NMR, indicating the formation of cellulose triacetate. The obtained SMP were spherical with an average size ranging from 1842 to 1857 nm, a zeta potential of -4.45 mV, and a high SIM incorporation efficiency (98%). Thermal and XRD analyses revealed that SIM was homogeneously dispersed into the polymeric matrix in its amorphous state. In vitro studies using dialysis bags revealed that the controlled SIM release from microparticles was higher under simulated intestinal conditions and followed the Higuchi kinetic model. Our results suggest that ACT-based microparticles are a promising system for SIM delivery, which can improve its bioavailability, and result in better patient compliance.
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Affiliation(s)
- Larissa Pereira Alves
- Graduate Program of Pharmaceutical Sciences, Paraíba State University, Campina Grande 58429-600, PB, Brazil; (L.P.A.); (K.d.S.O.); (D.F.d.M.); (L.M.C.d.C.M.); (J.A.O.J.); (D.T.C.d.S.); (B.P.G.d.L.D.)
- Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, Paraíba State University, Campina Grande 58429-600, PB, Brazil;
| | - Kevin da Silva Oliveira
- Graduate Program of Pharmaceutical Sciences, Paraíba State University, Campina Grande 58429-600, PB, Brazil; (L.P.A.); (K.d.S.O.); (D.F.d.M.); (L.M.C.d.C.M.); (J.A.O.J.); (D.T.C.d.S.); (B.P.G.d.L.D.)
- Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, Paraíba State University, Campina Grande 58429-600, PB, Brazil;
| | - Ana Cláudia Gonçalves dos Santos
- Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, Paraíba State University, Campina Grande 58429-600, PB, Brazil;
| | - Demis Ferreira de Melo
- Graduate Program of Pharmaceutical Sciences, Paraíba State University, Campina Grande 58429-600, PB, Brazil; (L.P.A.); (K.d.S.O.); (D.F.d.M.); (L.M.C.d.C.M.); (J.A.O.J.); (D.T.C.d.S.); (B.P.G.d.L.D.)
- Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, Paraíba State University, Campina Grande 58429-600, PB, Brazil;
| | - Lívia Maria Coelho de Carvalho Moreira
- Graduate Program of Pharmaceutical Sciences, Paraíba State University, Campina Grande 58429-600, PB, Brazil; (L.P.A.); (K.d.S.O.); (D.F.d.M.); (L.M.C.d.C.M.); (J.A.O.J.); (D.T.C.d.S.); (B.P.G.d.L.D.)
- Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, Paraíba State University, Campina Grande 58429-600, PB, Brazil;
| | - João Augusto Oshiro Junior
- Graduate Program of Pharmaceutical Sciences, Paraíba State University, Campina Grande 58429-600, PB, Brazil; (L.P.A.); (K.d.S.O.); (D.F.d.M.); (L.M.C.d.C.M.); (J.A.O.J.); (D.T.C.d.S.); (B.P.G.d.L.D.)
| | - Dayanne Tomaz Casimiro da Silva
- Graduate Program of Pharmaceutical Sciences, Paraíba State University, Campina Grande 58429-600, PB, Brazil; (L.P.A.); (K.d.S.O.); (D.F.d.M.); (L.M.C.d.C.M.); (J.A.O.J.); (D.T.C.d.S.); (B.P.G.d.L.D.)
- Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, Paraíba State University, Campina Grande 58429-600, PB, Brazil;
| | - Airlla Laana de Medeiros Cavalcanti
- Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, Paraíba State University, Campina Grande 58429-600, PB, Brazil;
| | - Bolívar Ponciano Goulart de Lima Damasceno
- Graduate Program of Pharmaceutical Sciences, Paraíba State University, Campina Grande 58429-600, PB, Brazil; (L.P.A.); (K.d.S.O.); (D.F.d.M.); (L.M.C.d.C.M.); (J.A.O.J.); (D.T.C.d.S.); (B.P.G.d.L.D.)
- Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, Paraíba State University, Campina Grande 58429-600, PB, Brazil;
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Fadaei MS, Fadaei MR, Kheirieh AE, Rahmanian-Devin P, Dabbaghi MM, Nazari Tavallaei K, Shafaghi A, Hatami H, Baradaran Rahimi V, Nokhodchi A, Askari VR. Niosome as a promising tool for increasing the effectiveness of anti-inflammatory compounds. EXCLI JOURNAL 2024; 23:212-263. [PMID: 38487088 PMCID: PMC10938253 DOI: 10.17179/excli2023-6868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 01/16/2024] [Indexed: 03/17/2024]
Abstract
Niosomes are drug delivery systems with widespread applications in pharmaceutical research and the cosmetic industry. Niosomes are vesicles of one or more bilayers made of non-ionic surfactants, cholesterol, and charge inducers. Because of their bilayer characteristics, similar to liposomes, niosomes can be loaded with lipophilic and hydrophilic cargos. Therefore, they are more stable and cheaper in preparation than liposomes. They can be classified into four categories according to their sizes and structures, namely small unilamellar vesicles (SUVs), large unilamellar vesicles (LUVs,), multilamellar vesicles (MLVs), and multivesicular vesicles (MVVs). There are many methods for niosome preparation, such as thin-film hydration, solvent injection, and heating method. The current study focuses on the preparation methods and pharmacological effects of niosomes loaded with natural and chemical anti-inflammatory compounds in kinds of literature during the past decade. We found that most research was carried out to load anti-inflammatory agents like non-steroidal anti-inflammatory drugs (NSAIDs) into niosome vesicles. The studies revealed that niosomes could improve anti-inflammatory agents' physicochemical properties, including solubility, cellular uptake, stability, encapsulation, drug release and liberation, efficiency, and oral bioavailability or topical absorption. See also the graphical abstract(Fig. 1).
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Affiliation(s)
- Mohammad Saleh Fadaei
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Reza Fadaei
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Emad Kheirieh
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Pouria Rahmanian-Devin
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | | | - Abouzar Shafaghi
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hooman Hatami
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vafa Baradaran Rahimi
- Department of Cardiovascular Diseases, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Nokhodchi
- Lupin Pharmaceutical Research Center, 4006 NW 124th Ave., Coral Springs, Florida, FL 33065, USA
- Pharmaceutics Research Laboratory, School of Life Sciences, University of Sussex, Brighton BN1 9QJ, UK
| | - Vahid Reza Askari
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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Kim G, Won J, Kim CW, Park JR, Park D. Fabrication and Evaluation of Ultrasound-Responsive Emulsion Loading Paclitaxel for Targeted Chemotherapy. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:91-99. [PMID: 38146661 DOI: 10.1021/acs.langmuir.3c02005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
Chemotherapy is the most widely used cancer treatment, but it has several drawbacks such as adverse side effects and low bioavailability. To address these limitations, various drug delivery systems have been investigated, including liposomes, micelles, and emulsions. These drug delivery technologies have been improving the efficacy and safety of conventional chemotherapy. This study presents an emerging drug delivery technology for targeted chemotherapy using drug-loaded ultrasound-responsive emulsion (URE) as a drug carrier and ultrasound technology for external activation. URE was designed to be responsive to ultrasound energy and fabricated by using an emulsification technique. To investigate this technology, paclitaxel, as a model drug, was used and encapsulated into URE. The size distribution, morphology, and drug release behavior of paclitaxel-loaded URE (PTX-URE) were characterized, and the echogenicity of PTX-URE was assessed by using ultrasound imaging equipment. The cellular uptake and cytotoxicity of PTX-URE with ultrasound were evaluated in breast cancer cells (MDA-MB-231). Our in vitro results indicate that the combination of PTX-URE and ultrasound significantly enhanced cellular uptake by 10.6-fold and improved cytotoxicity by 24.1% compared to PTX alone. These findings suggest that the URE platform combined with ultrasound is a promising technology to improve the drug delivery efficiency for chemotherapy.
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Affiliation(s)
- Gayoung Kim
- Bioinfra Life Science Inc., Cancer Research Institute, Seoul National University College of Medicine, 101 Daehak-Ro, Jongno-Gu, Seoul 03080, South Korea
| | - Jongho Won
- Bioinfra Life Science Inc., Cancer Research Institute, Seoul National University College of Medicine, 101 Daehak-Ro, Jongno-Gu, Seoul 03080, South Korea
| | - Chul-Woo Kim
- Bioinfra Life Science Inc., Cancer Research Institute, Seoul National University College of Medicine, 101 Daehak-Ro, Jongno-Gu, Seoul 03080, South Korea
| | - Jong-Ryul Park
- Bioinfra Life Science Inc., Cancer Research Institute, Seoul National University College of Medicine, 101 Daehak-Ro, Jongno-Gu, Seoul 03080, South Korea
| | - Donghee Park
- Bioinfra Life Science Inc., Cancer Research Institute, Seoul National University College of Medicine, 101 Daehak-Ro, Jongno-Gu, Seoul 03080, South Korea
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Ait-Touchente Z, Zine N, Jaffrezic-Renault N, Errachid A, Lebaz N, Fessi H, Elaissari A. Exploring the Versatility of Microemulsions in Cutaneous Drug Delivery: Opportunities and Challenges. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13101688. [PMID: 37242104 DOI: 10.3390/nano13101688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 05/19/2023] [Accepted: 05/19/2023] [Indexed: 05/28/2023]
Abstract
Microemulsions are novel drug delivery systems that have garnered significant attention in the pharmaceutical research field. These systems possess several desirable characteristics, such as transparency and thermodynamic stability, which make them suitable for delivering both hydrophilic and hydrophobic drugs. In this comprehensive review, we aim to explore different aspects related to the formulation, characterization, and applications of microemulsions, with a particular emphasis on their potential for cutaneous drug delivery. Microemulsions have shown great promise in overcoming bioavailability concerns and enabling sustained drug delivery. Thus, it is crucial to have a thorough understanding of their formulation and characterization in order to optimize their effectiveness and safety. This review will delve into the different types of microemulsions, their composition, and the factors that affect their stability. Furthermore, the potential of microemulsions as drug delivery systems for skin applications will be discussed. Overall, this review will provide valuable insights into the advantages of microemulsions as drug delivery systems and their potential for improving cutaneous drug delivery.
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Affiliation(s)
- Zouhair Ait-Touchente
- Univ Lyon, Université Claude Bernard Lyon-1, CNRS, ISA-UMR 5280, 69100 Villeurbanne, France
| | - Nadia Zine
- Univ Lyon, Université Claude Bernard Lyon-1, CNRS, ISA-UMR 5280, 69100 Villeurbanne, France
| | | | - Abdelhamid Errachid
- Univ Lyon, Université Claude Bernard Lyon-1, CNRS, ISA-UMR 5280, 69100 Villeurbanne, France
| | - Noureddine Lebaz
- Univ Lyon, Université Claude Bernard Lyon-1, CNRS, LAGEPP UMR 5007, 69100 Villeurbanne, France
| | - Hatem Fessi
- Univ Lyon, Université Claude Bernard Lyon-1, CNRS, LAGEPP UMR 5007, 69100 Villeurbanne, France
| | - Abdelhamid Elaissari
- Univ Lyon, Université Claude Bernard Lyon-1, CNRS, ISA-UMR 5280, 69100 Villeurbanne, France
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Moreira VM, Leite JMDS, Medeiros KDA, Assis KMAD, Borges JC, Santana LMB, Moreira LMCDC, Alves LP, Oliveira TKBD, Silveira JWDSD, Silva DTCD, Damasceno BPGDL. Pentoxifylline/Chitosan Films on Wound Healing: In Vitro/In Vivo Evaluation. Pharmaceutics 2023; 15:pharmaceutics15041122. [PMID: 37111607 PMCID: PMC10143649 DOI: 10.3390/pharmaceutics15041122] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/02/2023] [Accepted: 03/08/2023] [Indexed: 04/05/2023] Open
Abstract
This study aimed to develop films of chitosan (CSF) associated with pentoxifylline (PTX) for healing cutaneous wounds. These films were prepared at two concentrations, F1 (2.0 mg/mL) and F2 (4.0 mg/mL), and the interactions between the materials, structural characteristics, in vitro release, and morphometric aspects of skin wounds in vivo were evaluated. The formation of the CSF film with acetic acid modifies the polymeric structure, and the PTX demonstrates interaction with the CSF, in a semi-crystalline structure, for all concentrations. The release for all films was proportional to the concentration, with two phases: a fast one of ≤2 h and a slow one of >2 h, releasing 82.72 and 88.46% of the drug after 72 h, being governed by the Fickian diffusion mechanism. The wounds of the mice demonstrate a reduction of up to 60% in the area on day 2 for F2 when compared to CSF, F1, and positive control, and this characteristic of faster healing speed for F2 continues until the ninth day with wound reduction of 85%, 82%, and 90% for CSF, F1, and F2, respectively. Therefore, the combination of CSF and PTX is effective in their formation and incorporation, demonstrating that a higher concentration of PTX accelerates skin-wound reduction.
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Affiliation(s)
- Vandiara Martins Moreira
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Joandra Maísa da Silva Leite
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Kaline de Araújo Medeiros
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Karoll Moangella Andrade de Assis
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Joyce Cordeiro Borges
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Lucas Matheus Barreto Santana
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Lívia Maria Coelho de Carvalho Moreira
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Larissa Pereira Alves
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | | | - João Walter de Souza da Silveira
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Dayanne Tomaz Casimiro da Silva
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
| | - Bolívar Ponciano Goulart de Lima Damasceno
- Graduate Program fo Pharmaceutical Science (PPGCF), State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
- Laboratory of Development and Characterization of Pharmaceutical Products (LDCPF), Department of Pharmacy, UEPB, Campina Grande 58429-500, PB, Brazil
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Daryab M, Faizi M, Mahboubi A, Aboofazeli R. Preparation and Characterization of Lidocaine-Loaded, Microemulsion-Based Topical Gels. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2022; 21:e123787. [PMID: 35765506 PMCID: PMC9191217 DOI: 10.5812/ijpr.123787] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 06/07/2021] [Accepted: 06/07/2021] [Indexed: 01/26/2023]
Abstract
Microemulsion-based gels (MBGs) were prepared for transdermal delivery of lidocaine and evaluated for their potential for local anesthesia. Lidocaine solubility was measured in various oils, and phase diagrams were constructed to map the concentration range of oil, surfactant, cosurfactant, and water for oil-in-water (o/w) microemulsion (ME) domains, employing the water titration method at different surfactant/cosurfactant weight ratios. Refractive index, electrical conductivity, droplet size, zeta potential, pH, viscosity, and stability of fluid o/w MEs were evaluated. Carbomer® 940 was incorporated into the fluid drug-loaded MEs as a gelling agent. Microemulsion-based gels were characterized for spreadability, pH, viscosity, and in-vitro drug release measurements, and based on the results obtained, the best MBGs were selected and subsequently subjected to ex-vivo rat skin permeation anesthetic effect and irritation studies. Data indicated the formation of nano-sized droplets of MEs ranging from 20 - 52 nm with a polydispersity of less than 0.5. In-vitro release and ex-vivo permeation studies on MBGs showed significantly higher drug release and permeation in comparison to the marketed topical gel. Developed MBG formulations demonstrated greater potential for transdermal delivery of lidocaine and advantage over the commercially available gel product, and therefore, they may be considered as potential vehicles for the topical delivery of lidocaine.
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Affiliation(s)
- Mahshid Daryab
- Department of Pharmaceutics, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehrdad Faizi
- Department of Pharmacology and Toxicology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arash Mahboubi
- Department of Pharmaceutics, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Food Safety Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Corresponding Author: Department of Pharmaceutics, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Reza Aboofazeli
- Department of Pharmaceutics, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Protein Technology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Corresponding Author: Department of Pharmaceutics, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Acceleration of Wound Healing in Rats by Modified Lignocellulose Based Sponge Containing Pentoxifylline Loaded Lecithin/Chitosan Nanoparticles. Gels 2022; 8:gels8100658. [PMID: 36286159 PMCID: PMC9601342 DOI: 10.3390/gels8100658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/12/2022] [Accepted: 10/13/2022] [Indexed: 11/04/2022] Open
Abstract
Dressing wounds accelerates the re-epithelialization process and changes the inflammatory environment towards healing. In the current study, a lignocellulose sponge containing pentoxifylline (PTX)-loaded lecithin/chitosan nanoparticles (LCNs) was developed to enhance the wound healing rate. Lecithin/chitosan nanoparticles were obtained by the solvent-injection method and characterized in terms of morphology, particle size distribution, and zeta potential. The lignocellulose hydrogels were functionalized through oxidation/amination and freeze-dried to obtain sponges. The prepared sponge was then loaded with LCNs/PTX to control drug release. The nanoparticle containing sponges were characterized using FTIR and SEM analysis. The drug release study from both nanoparticles and sponges was performed in PBS at 37 °C at different time points. The results demonstrated that PTX has sustained release from lignocellulose hydrogels. The wound healing was examined using a standard rat model. The results exhibited that PTX loaded hydrogels could achieve significantly accelerated and enhanced healing compared to the drug free hydrogels and the normal saline treatment. Histological examination of the healed skin confirmed the visual observations. Overall speaking, the in vivo assessment of the developed sponge asserts its suitability as wound dressing for treatment of chronic skin wounds.
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Gou S, Del Río-Sancho S, Laubach HJ, Kalia YN. Erbium:YAG fractional laser ablation improves cutaneous delivery of pentoxifylline from different topical dosage forms. Int J Pharm 2022; 628:122259. [PMID: 36198359 DOI: 10.1016/j.ijpharm.2022.122259] [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: 08/08/2022] [Revised: 09/26/2022] [Accepted: 09/28/2022] [Indexed: 11/29/2022]
Abstract
Topical application of pentoxifylline (PTX) would enable targeted treatment of radiation-induced skin fibrosis. However, PTX is hydrophilic with limited partitioning into the stratum corneum. The objective of this study was to investigate whether use of Erbium:YAG fractional laser ablation and different topical dosage forms (solution, hydrogel and patch) could be used to improve PTX cutaneous delivery as opposed to transdermal permeation. Initial results confirmed that fractional laser ablation significantly increased PTX delivery from each dosage form compared to passive controls. Delivery efficiencies of ∼30% were achieved with each dosage form but a large proportion of PTX permeated across the skin; thus, fluences were decreased to create shallower micropores, their depth being linearly dependent on fluence. The hydrogel was selected as the optimal formulation and PTX delivery efficiencies were further increased (44%-67%) by reducing the amount of hydrogel applied (better mimicking conditions of use). As this resulted in PTX depletion in the formulation, a loss of dependence of delivery on laser fluence was observed. These findings suggest that fractional laser ablation at moderate fluences enables an effective and targeted cutaneous delivery of PTX from a hydrogel formulation, which can be easily produced without the need for complex equipment.
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Affiliation(s)
- Si Gou
- School of Pharmaceutical Sciences, University of Geneva, 1211 Geneva, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, 1211 Geneva, Switzerland
| | - Sergio Del Río-Sancho
- School of Pharmaceutical Sciences, University of Geneva, 1211 Geneva, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, 1211 Geneva, Switzerland
| | - Hans-Joachim Laubach
- Division of Dermatology, Geneva University Hospital, 1205 Geneva, Switzerland; Centre Laser MD, 8 Rue de Londres, 67000 Strasbourg, France
| | - Yogeshvar N Kalia
- School of Pharmaceutical Sciences, University of Geneva, 1211 Geneva, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, 1211 Geneva, Switzerland.
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Development and Characterization of Azithromycin-Loaded Microemulsions: A Promising Tool for the Treatment of Bacterial Skin Infections. Antibiotics (Basel) 2022; 11:antibiotics11081040. [PMID: 36009909 PMCID: PMC9404999 DOI: 10.3390/antibiotics11081040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 07/27/2022] [Accepted: 07/30/2022] [Indexed: 02/05/2023] Open
Abstract
In recent years, the treatment of bacterial skin infections has been considered a major healthcare issue due to the growing emergence of antibiotic-resistant strains of Staphylococcus aureus. The incorporation of antibiotics in appropriate nanosystems could represent a promising strategy, able to overcome several drawbacks of the topical treatment of infections, including poor drug retention within the skin. The present work aims to develop microemulsions containing azithromycin (AZT), a broad-spectrum macrolide antibiotic. Firstly, AZT solubility in various oils, surfactants and co-surfactants was assessed to select the main components. Subsequently, microemulsions composed of vitamin E acetate, Labrasol® and Transcutol® P were prepared and characterized for their pH, viscosity, droplet size, zeta potential and ability to release the drug and to promote its retention inside porcine skin. Antimicrobial activity against S. aureus methicillin-resistant strains (MRSA) and the biocompatibility of microemulsions were evaluated. Microemulsions showed an acceptable pH and were characterized by different droplet sizes and viscosities depending on their composition. Interestingly, they provided a prolonged release of AZT and promoted its accumulation inside the skin. Finally, microemulsions retained AZT efficacy on MRSA and were not cytotoxic. Hence, the developed AZT-loaded microemulsions could be considered as useful nanocarriers for the treatment of antibiotic-resistant infections of the skin.
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Improved dermal delivery of pentoxifylline niosomes for the management of psoriasis: Development, optimization and in-vivo studies in imiquimod induced psoriatic plaque model. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Bhat AR, Wani FA, Behera K, Khan AB, Patel R. Formulation of biocompatible microemulsions for encapsulation of anti-TB drug rifampicin: A physicochemical and spectroscopic study. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128846] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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12
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Microemulsions and Nanoemulsions in Skin Drug Delivery. Bioengineering (Basel) 2022; 9:bioengineering9040158. [PMID: 35447718 PMCID: PMC9028917 DOI: 10.3390/bioengineering9040158] [Citation(s) in RCA: 62] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 03/27/2022] [Accepted: 04/01/2022] [Indexed: 11/17/2022] Open
Abstract
Microemulsions and nanoemulsions are lipid-based pharmaceutical systems with a high potential to increase the permeation of drugs through the skin. Although being isotropic dispersions of two nonmiscible liquids (oil and water), significant differences are encountered between microemulsions and nanoemulsions. Microemulsions are thermodynamically stable o/w emulsions of mean droplet size approximately 100–400 nm, whereas nanoemulsions are thermodynamically unstable o/w emulsions of mean droplet size approximately 1 to 100 nm. Their inner oil phase allows the solubilization of lipophilic drugs, achieving high encapsulation rates, which are instrumental for drug delivery. In this review, the importance of these systems, the key differences regarding their composition and production processes are discussed. While most of the micro/nanoemulsions on the market are held by the cosmetic industry to enhance the activity of drugs used in skincare products, the development of novel pharmaceutical formulations designed for the topical, dermal and transdermal administration of therapeutic drugs is being considered. The delivery of poorly water-soluble molecules through the skin has shown some advantages over the oral route, since drugs escape from first-pass metabolism; particularly for the treatment of cutaneous diseases, topical delivery should be the preferential route in order to reduce the number of drugs used and potential side-effects, while directing the drugs to the site of action. Thus, nanoemulsions and microemulsions represent versatile options for the delivery of drugs through lipophilic barriers, and many synthetic and natural compounds have been formulated using these delivery systems, aiming to improve stability, delivery and bioactivity. Detailed information is provided concerning the most relevant recent scientific publications reporting the potential of these delivery systems to increase the skin permeability of drugs with anti-inflammatory, sun-protection, anticarcinogenic and/or wound-healing activities. The main marketed skincare products using emulsion-based systems are also presented and discussed.
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Almawash S, Quadir SS, Al Saqr A, Sharma G, Raza K. Dual Delivery of Fluticasone Propionate and Levocetirizine Dihydrochloride for the Management of Atopic Dermatitis Using a Microemulsion-Based Topical Gel. ACS OMEGA 2022; 7:7696-7705. [PMID: 35284709 PMCID: PMC8908482 DOI: 10.1021/acsomega.1c06393] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 01/26/2022] [Indexed: 06/13/2023]
Abstract
The current study investigates the potential for topical delivery of a fluticasone propionate (FP) and levocetirizine dihydrochloride (CTZ)-loaded microemulsion (ME) for the management of atopic dermatitis. Various microemulsion components were chosen based on their solubility and emulsification capabilities, and the ternary phase diagram was constructed. A total of 12 microemulsion formulations were screened for various attributes like vesicle size, polydispersity index, ζ-potential, percent transmittance, density, and pH. The average globule size and ζ-potential of FP and levocetirizine-containing ME were 52.12 nm and -2.98 ζ-potential, respectively. Transmission electron microscopy confirmed the spherical nature of the globules. The developed system not only controlled the release of both drugs but also enhanced the efficacy of the drugs on a rodent model. Histopathological studies confirmed the safety of the developed system. The present findings provide evidence for a scalable and simpler approach for the management of atopic dermatitis.
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Affiliation(s)
- Saud Almawash
- Department
of Pharmaceutical Sciences, College of Pharmacy, Shaqra University, Shaqra 11961, Saudi Arabia
| | - Sheikh Shahnawaz Quadir
- Department
of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer 305817, Rajasthan, India
| | - Ahmed Al Saqr
- Department
of Pharmaceutics, College of Pharmacy, Prince
Sattam Bin Abdulaziz University, Al-kharj 11942, Saudi Arabia
| | - Gajanand Sharma
- University
Institute of Pharmaceutical Sciences, Panjab
University, Chandigarh 160014, India
| | - Kaisar Raza
- Department
of Pharmacy, School of Chemical Sciences and Pharmacy, Central University of Rajasthan, Bandarsindri, Ajmer 305817, Rajasthan, India
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Chrysin-Loaded Microemulsion: Formulation Design, Evaluation and Antihyperalgesic Activity in Mice. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12010477] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
Chrysin is a bioactive flavonoid found in pollens, passion flowers, honey, royal jelly, and propolis, which is commonly used as an ingredient in natural food supplements and is primarily responsible for their pharmacological properties. A transparent chrysin-loaded microemulsion (CS-ME) prepared through a ternary phase diagram was evaluated for use as an antihyperalgesic formulation. It was formulated with 40% Labrasol® (surfactant), 5% isopropyl myristate (oil phase) and 55% water (aqueous phase) and classified as an oil-in-water (O/W) microsized system (74.4 ± 15.8 nm). Its negative Zeta potential (−16.1 ± 1.9 mV) was confirmed by polarized light microscopy and dynamic light scattering analysis. In vitro studies in Franz-type static diffusion cells showed that chrysin release from CS-ME followed zero-order kinetics. Oral administration of CS-ME in mice resulted in a statistically significantly reduction (p < 0.05) in carrageenan-induced mechanical hyperalgesia compared to the control group. Treatment with CS-ME also showed anti-inflammatory activity by significantly decreasing the TNF-α level (p < 0.01) and increasing that of IL-10 (p < 0.05) compared to the control group. These results suggest that the proposed microsystem is a promising vector for the release of chrysin, being able to improve its capacity to modulate inflammatory and nociceptive responses.
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Yin F, Meng S, Zhao X, Wang H, Ning Y, Li Y, Chen Z. Development and in vitro and in vivo evaluations of a microemulsion formulation for the oral delivery of oxaprozin. Curr Drug Deliv 2021; 19:347-356. [PMID: 34521326 DOI: 10.2174/1567201818666210914092745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/16/2021] [Accepted: 06/23/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Oxaprozin is labeled as a Class II drug in the biopharmaceutical classification system, and its poor solubility in the entire gastrointestinal tract may be the main reason for its poor oral absorption capacity. OBJECTIVE The purpose of this study was to develop an oxaprozin formulation to enhance its oral absorption. METHOD Oxaprozin-loaded microemulsions were prepared using the titration method and pseudoternary phase diagram. Characterization experiments were performed on microemulsion preparations, including pH, particle size, shape, zeta potential and stability (thermodynamic, dilution, and differential scanning calorimetry). Then, the in vitro release of the microemulsion and in vivo pharmacokinetics in rats were evaluated. RESULTS Several microemulsion formulations were prepared. The optimal formulation was 15% oleoyl macrogolglycerides, 35% Tween 20/isopropanol (Km=2) and 50% distilled water. Its particle size met the requirements, and it had a spherical shape with a negatively charged surface. This microemulsion-loaded drug was applied to in vitro release and in vivo pharmacokinetic experiments at 7.47 mg/mL. In vitro release of the oxaprozin-loaded microemulsion best fit the first-order model, while the microemulsion preparation had a certain sustained release effect. In vivo pharmacokinetic experiments indicated that the microemulsion formulation significantly delayed the peak time of the blood concentration and simultaneously prolonged the half-life of drug elimination. CONCLUSION The obtained data revealed satisfactory results for this novel microemulsion of oxaprozin, which is very meaningful for clinical trials.
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Affiliation(s)
- Fangming Yin
- College of pharmacy, China Medical University, Shenyang. China
| | - Shu Meng
- Chinese medicine laboratory, Shenyang Institute for Drug Control, Shenyang. China
| | - Xin Zhao
- Joint Logistics Support Center, Pharmaceutical Instruments Supervision and Inspection Station, Shenyang. China
| | - Huining Wang
- College of pharmacy, China Medical University, Shenyang. China
| | - Yingkai Ning
- College of wuya, Shenyang Pharmaceutical University, Shenyang. China
| | - Yangdulin Li
- College of pharmacy, China Medical University, Shenyang. China
| | - Zaixing Chen
- College of pharmacy, China Medical University, Shenyang. China
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16
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Recent Advances in Nanomaterials for Dermal and Transdermal Applications. COLLOIDS AND INTERFACES 2021. [DOI: 10.3390/colloids5010018] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The stratum corneum, the most superficial layer of the skin, protects the body against environmental hazards and presents a highly selective barrier for the passage of drugs and cosmetic products deeper into the skin and across the skin. Nanomaterials can effectively increase the permeation of active molecules across the stratum corneum and enable their penetration into deeper skin layers, often by interacting with the skin and creating the distinct sites with elevated local concentration, acting as reservoirs. The flux of the molecules from these reservoirs can be either limited to the underlying skin layers (for topical drug and cosmeceutical delivery) or extended across all the sublayers of the epidermis to the blood vessels of the dermis (for transdermal delivery). The type of the nanocarrier and the physicochemical nature of the active substance are among the factors that determine the final skin permeation pattern and the stability of the penetrant in the cutaneous environment. The most widely employed types of nanomaterials for dermal and transdermal applications include solid lipid nanoparticles, nanovesicular carriers, microemulsions, nanoemulsions, and polymeric nanoparticles. The recent advances in the area of nanomaterial-assisted dermal and transdermal delivery are highlighted in this review.
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Costa Duarte FÍ, Sabino de Mendonça Costa AB, Vieira Filho JF, Pinto Freite VL, Alves Freire JV, Converti A, Ferrari M, Barreto Gomes AP, Ostrosky EA, Neves de Lima ÁA. In vitro release studies of ferulic acid in semi-solid formulations with optimized synthetic membrane. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2020.102106] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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18
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Alves LP, da Silva Oliveira K, da Paixão Santos JA, da Silva Leite JM, Rocha BP, de Lucena Nogueira P, de Araújo Rêgo RI, Oshiro-Junior JA, Damasceno BPGDL. A review on developments and prospects of anti-inflammatory in microemulsions. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.102008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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19
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de Assis KMA, da Silva Leite JM, de Melo DF, Borges JC, Santana LMB, Dos Reis MML, Moreira VM, da Rocha WRV, Catão RMR, Dos Santos SG, da Silva Portela A, de Sousa Silva SM, de Oliveira TKB, de Souza da Silveira JW, Pires EG, Nonaka CFW, Sanches FAC, de Lima Damasceno BPG. Bicontinuous microemulsions containing Melaleuca alternifolia essential oil as a therapeutic agent for cutaneous wound healing. Drug Deliv Transl Res 2020; 10:1748-1763. [PMID: 32924099 DOI: 10.1007/s13346-020-00850-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/28/2020] [Indexed: 10/23/2022]
Abstract
The Melaleuca alternifolia essential oil (MEO) has been widely used due to its healing and antimicrobial action. Its incorporation into drug delivery systems is a reality, and numerous studies have already been developed for this purpose. In this regard, the aim of this work was to develop, characterize, and evaluate the in vivo pharmacological activity of bicontinuous microemulsions (BME) containing MEO. Through diagram construction, a formulation consisting of Kolliphor® HS 15 (31.05%), Span® 80 (3.45%), isopropyl myristate (34.5%), and distilled water (31%) was selected and MEO was incorporated in the proportion of 3.45% (v/v). Morphological analysis characterization confirms that the system studied herein is a BME. The evaluated formulation showed physicochemical characteristics that allow its topical use. Rheologically, samples were characterized as pseudo-plastic non-Newtonian thixotropic fluids. The chromatographic method developed is in accordance with the current recommendations. The extraction method used assured a 100% recovery of the pharmacological marker (terpinen-4-ol). In vivo studies suggest that BME loaded with MEO may contribute to the healing process of skin wounds. In addition, it demonstrated antibacterial activity for Gram-positive and Gram-negative bacteria. Therefore, the BME system loaded with MEO is promising as a healing and antimicrobial agent for skin wounds.Graphical abstract.
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Affiliation(s)
- Karoll Moangella Andrade de Assis
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Joandra Maísa da Silva Leite
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Demis Ferreira de Melo
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Joyce Cordeiro Borges
- Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Lucas Matheus Barreto Santana
- Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Malu Maria Lucas Dos Reis
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Vandiara Martins Moreira
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Wilma Rainny Vieira da Rocha
- Laboratory of Microbiology, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | - Raïssa Mayer Ramalho Catão
- Laboratory of Microbiology, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | | | | | | | | | - João Walter de Souza da Silveira
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil
| | | | | | - Fátima Aparecida Castriani Sanches
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil.,Federal Institute of Education, Science and Technology Baiano, IFBA, Campus Catu, Catu, Bahia, Brazil
| | - Bolívar Ponciano Goulart de Lima Damasceno
- Graduate Program of Pharmaceutical Sciences, State University of Paraíba, Campina Grande, Paraiba, Brazil. .,Laboratory of Development and Characterization of Pharmaceutical Products, Department of Pharmacy, State University of Paraíba (UEPB), Campina Grande, Paraiba, Brazil.
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Aghajani A, Kazemi T, Enayatifard R, Amiri FT, Narenji M. Investigating the skin penetration and wound healing properties of niosomal pentoxifylline cream. Eur J Pharm Sci 2020; 151:105434. [PMID: 32590122 DOI: 10.1016/j.ejps.2020.105434] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 06/02/2020] [Accepted: 06/22/2020] [Indexed: 12/22/2022]
Abstract
Wounds are defined as any injuries to the skin. Wounds can cause great inconvenience and health problems for the patients depending on the healing time and severity. This makes wound healing and the strategies to treat a wound or reduce their treatment time, an important concern in health care systems. Pentoxifylline (PTX) has been reported to facilitate the wound healing in systemic administration. Different cellular and immunological mechanisms have been reported and suggested regarding the promising effects of PTX. On the other hand, the topical application of PTX seems to improve its therapeutic efficiency by localizing the drug on the wound site. In this study, PTX-niosomes were prepared and characterized. Niosomes with Zavg of 150, 200, and 300 nm were incorporated into the base cold cream. In-vitro release of PTX from these formulations was obtained between 70 -100%. Ex-vivo penetration/retention studies showed that niosomal formulations (F6 and F7) increased penetration of PTX by 1.8 and 1.2 times, respectively in comparison with the PTX-conventional cream. Retention of PTX from both niosomal creams was about 2 times higher than the PTX-conventional cream. In -vivo studies on the full-thickness wound in BALB/c mice showed that PTX-niosomal creams shortened the duration of wound healing by two days compared to control groups (PTX-conventional cream, base cream, and no treatment). The final wound size in the niosomal cream-treated group was also significantly smaller than the control groups. Histological analysis of the wounds confirmed the results of in-vivo studies.
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Affiliation(s)
- Ali Aghajani
- Ramsar Campus, Mazandaran University of Medical Sciences, Ramsar, Iran
| | - Tabassom Kazemi
- Ramsar Campus, Mazandaran University of Medical Sciences, Ramsar, Iran
| | - Reza Enayatifard
- Department of pharmaceutics, Faculty of pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Fereshteh Talebpour Amiri
- Department of Anatomy, Molecular and Cell Biology Research, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mahsa Narenji
- Ramsar Campus, Mazandaran University of Medical Sciences, Ramsar, Iran; Department of pharmaceutics, Faculty of pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.
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21
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Ionic Liquid-In-Oil Microemulsions Prepared with Biocompatible Choline Carboxylic Acids for Improving the Transdermal Delivery of a Sparingly Soluble Drug. Pharmaceutics 2020; 12:pharmaceutics12040392. [PMID: 32344768 PMCID: PMC7238071 DOI: 10.3390/pharmaceutics12040392] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/21/2020] [Accepted: 04/22/2020] [Indexed: 12/26/2022] Open
Abstract
The transdermal delivery of sparingly soluble drugs is challenging due to of the need for a drug carrier. In the past few decades, ionic liquid (IL)-in-oil microemulsions (IL/O MEs) have been developed as potential carriers. By focusing on biocompatibility, we report on an IL/O ME that is designed to enhance the solubility and transdermal delivery of the sparingly soluble drug, acyclovir. The prepared MEs were composed of a hydrophilic IL (choline formate, choline lactate, or choline propionate) as the non-aqueous polar phase and a surface-active IL (choline oleate) as the surfactant in combination with sorbitan laurate in a continuous oil phase. The selected ILs were all biologically active ions. Optimized pseudo ternary phase diagrams indicated the MEs formed thermodynamically stable, spherically shaped, and nano-sized (<100 nm) droplets. An in vitro drug permeation study, using pig skin, showed the significantly enhanced permeation of acyclovir using the ME. A Fourier transform infrared spectroscopy study showed a reduction of the skin barrier function with the ME. Finally, a skin irritation study showed a high cell survival rate (>90%) with the ME compared with Dulbecco's phosphate-buffered saline, indicates the biocompatibility of the ME. Therefore, we conclude that IL/O ME may be a promising nano-carrier for the transdermal delivery of sparingly soluble drugs.
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22
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Seo MH, Myoung H, Lee JH, Yang HC, Woo KM, Lee SK, Kim SM. Effects of pentoxifylline and tocopherol on an osteoradionecrosis animal model. J Craniomaxillofac Surg 2020; 48:621-631. [PMID: 32527622 DOI: 10.1016/j.jcms.2020.02.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 11/18/2019] [Accepted: 02/14/2020] [Indexed: 11/28/2022] Open
Abstract
PURPOSE Osteoradionecrosis (ORN) is known to be a refractory disease in the oral and maxillofacial field. The purpose of this study was to examine the effects of pentoxifylline (PTX) and tocopherol (TP) on an ORN animal model focused on bone healing. MATERIALS AND METHODS A total of 48 Sprague-Dawley rats were used: 40 received a single irradiation dose of 35 Gy on the left mandible, and eight were used as the nonirradiated control group. The rats received PTX (T1, C1), TP (T2, C2), a combination of PTX and TP (T3, C3), or normal saline (T4, C4). Three weeks after irradiation, the mandibular posterior teeth were extracted. The rats were sacrificed 4 weeks after extraction. RESULTS In the T3 group, bone volume/tissue volume was 19.62 ± 16.03 (%), bone mineral density was as 0.31 ± 0.16 (g/cm3) in the micro-CT analysis, which were higher than that of other groups (p = 0.025, p = 0.012, respectively). In the histological analysis, bone regeneration was the most prominent in the T3 group. The ratio of empty lacunae was the highest in the T4 group, 68.77 ± 15.47 (%, p = 0.004). Immunohistochemistry showed that the expression of TNF-α was relatively lower in the T3 than in the T4 or T2 groups. The RT-qPCR showed the expression level of PECAM, VEGF-A, and osteocalcin was more than twofold as high as in the T3 group compared to the other groups. CONCLUSION The combination of PTX and TP appears to promote angiogenesis and osteogenesis in a rat ORN model. Therefore, PTX and TP might be useful in the treatment and prevention of ORN.
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Affiliation(s)
- Mi Hyun Seo
- Department of Oral and Maxillofacial Surgery, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, South Korea.
| | - Hoon Myoung
- Department of Oral and Maxillofacial Surgery, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, South Korea.
| | - Jong Ho Lee
- Department of Oral and Maxillofacial Surgery, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, South Korea.
| | - Hyeong Cheol Yang
- Department of Dental Biomaterials Science, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, South Korea.
| | - Kyung Mi Woo
- Dental Pharmacology & Dental Therapeutics, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, South Korea.
| | - Suk Keun Lee
- Department of Oral Pathology, College of Dentistry, Gangneung-Wonju National University, Gangneung, South Korea.
| | - Soung Min Kim
- Department of Oral and Maxillofacial Surgery, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, South Korea.
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Szumała P, Jungnickel C, Kozłowska-Tylingo K, Jacyna B, Cal K. Transdermal transport of collagen and hyaluronic acid using water in oil microemulsion. Int J Pharm 2019; 572:118738. [PMID: 31705977 DOI: 10.1016/j.ijpharm.2019.118738] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 09/24/2019] [Accepted: 09/25/2019] [Indexed: 10/25/2022]
Abstract
Collagen and hyaluronic acid (HA) are biopolymers that affect the appearance and condition of the skin. Delivery of these compounds into the skin is highly challenging since have a number of disadvantageous properties, such as high molecular weight and hydrophilicity. Here, we evaluated the transdermal penetration of low and high molecular weight collagen and HA from microemulsions. A number of microemulsion formulations, differing in the content of polymers and surfactants (i.e. penetration promoters), were used for the permeation study. In addition, a correlation was made between the composition of these microemulsions and the polymers transport efficiency. The results indicate that, microemulsions enable transdermal permeation of collagen and HA. The concentration of polymers and the solubilization capacity of microemulsions had the greatest influence on the permeation. Surprisingly, the molecular weight of polymers and the content of other components affected the size of microemulsion particles, and thus these parameters had an indirect influence on the permeation process. This study demonstrated therefore the potential therapeutic use of microemulsion with collagen and HA in improving and regenerating the barrier of aged or diseased skin.
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Affiliation(s)
- Patrycja Szumała
- Department of Colloid and Lipid Science, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza Street 11/12, 80-233 Gdańsk, Poland.
| | - Christian Jungnickel
- Department of Colloid and Lipid Science, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza Street 11/12, 80-233 Gdańsk, Poland
| | - Katarzyna Kozłowska-Tylingo
- Department of Pharmaceutical Technology and Biochemistry, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza Street 11/12, 80-233 Gdańsk, Poland
| | - Bianka Jacyna
- Department of Pharmaceutical Technology, Medical University of Gdańsk, Hallera Street 107, 80-416 Gdańsk, Poland
| | - Krzysztof Cal
- Department of Pharmaceutical Technology, Medical University of Gdańsk, Hallera Street 107, 80-416 Gdańsk, Poland
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Flores-Villaseñor SE, Peralta-Rodríguez RD, Padilla-Vaca F, Meléndez-Ortiz HI, Ramirez-Contreras JC, Franco B. Preparation of Peppermint Oil-Based Nanodevices Loaded with Paclitaxel: Cytotoxic and Apoptosis Studies in HeLa Cells. AAPS PharmSciTech 2019; 20:198. [PMID: 31127389 DOI: 10.1208/s12249-019-1399-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Accepted: 04/17/2019] [Indexed: 01/08/2023] Open
Abstract
In this work, several normal, oil-in-water (o/w) microemulsions (MEs) were prepared using peppermint essential oil, jojoba oil, trans-anethole, and vitamin E as oil phases to test their capacity to load paclitaxel (PTX). Initially, pseudo-ternary partial phase diagrams were constructed in order to find the normal microemulsion region using d-α-tocopherol polyethylene glycol 1000 succinate (TPGS-1000) as surfactant and isobutanol (iso-BuOH) as co-surfactant. Selected ME formulations were loaded with PTX reaching concentrations of 0.6 mg mL-1 for the peppermint oil and trans-anethole MEs, while for the vitamin E and jojoba oil MEs, the maximum concentration was 0.3 mg mL-1. The PTX-loaded MEs were stable according to the results of heating-cooling cycles and mechanical force (centrifugation) test. Particularly, drug release profile for the PTX-loaded peppermint oil ME (MEPP) showed that ∼ 90% of drug was released in the first 48 h. Also, MEPP formulation showed 70% and 90% viability reduction on human cervical cancer (HeLa) cells after 24 and 48 h of exposure, respectively. In addition, HeLa cell apoptosis was confirmed by measuring caspase activity and DNA fragmentation. Results showed that the MEPP sample presented a major pro-apoptotic capability by comparing with the unloaded PTX ME sample.
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25
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Subongkot T. Development and mechanistic study of a microemulsion containing vitamin E TPGS for the enhancement of oral absorption of celecoxib. Int J Nanomedicine 2019; 14:3087-3102. [PMID: 31118624 PMCID: PMC6503206 DOI: 10.2147/ijn.s201449] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Accepted: 03/08/2019] [Indexed: 11/23/2022] Open
Abstract
Purpose: The purpose of this study was to develop a microemulsion containing D-α-tocopheryl polyethylene glycol 1000 succinate (vitamin E TPGS) as a biodegradable surfactant to increase the oral absorption of celecoxib. Methods: This study investigated the intestinal absorption enhancement mechanism of this microemulsion by measuring transepithelial electrical resistance (TEER) values. This study also evaluated microemulsion particle-intestine interactions in terms of release and attachment processes using confocal laser scanning microscopy (CLSM). Results: The prepared microemulsion particles had a size of <300 nm with a neutral surface charge. The celecoxib-loaded microemulsion release kinetic was classified as the zero-order model. This vitamin E TPGS-based microemulsion significantly increased the in vitro intestinal absorption of celecoxib compared to celecoxib solution. The CLSM study suggested that microemulsion particles with entrapped drugs might attach to the intestinal epithelium before releasing the entrapped drug into tissues. The TEER value of the intestinal tissues treated with the celecoxib-loaded microemulsion was significantly decreased compared to the value before treatment, indicating an increase in drug transport via the paracellular pathway. The evaluation of intestinal tissue cytotoxicity using lactate dehydrogenase cytotoxicity assay suggested that the prepared celecoxib-loaded microemulsion was safe for oral route administration. Conclusions: The prepared celecoxib loaded microemulsion could increase the intestinal absorption of celecoxib compared to celecoxib solution. The intestinal absorption enhancement mechanism of this microemulsion resulted from the increase of the drug transport via the paracellular pathway.
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Affiliation(s)
- Thirapit Subongkot
- Department of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Burapha University, Chonburi, Thailand
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Gou S, Del Rio-Sancho S, Singhal M, Laubach HJ, Kalia YN. Er:YAG fractional laser ablation for cutaneous co-delivery of pentoxifylline and d-α-tocopherol succinate: A new approach for topical treatment of radiation-induced skin fibrosis. Eur J Pharm Sci 2019; 135:22-31. [PMID: 31078643 DOI: 10.1016/j.ejps.2019.05.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 05/07/2019] [Accepted: 05/08/2019] [Indexed: 11/30/2022]
Abstract
Radiation induced fibrosis is a common side-effect after radiotherapy. Pentoxifylline is reported to reverse radiation injuries when used in conjunction with D-α-tocopherol. However, pentoxifylline has a short half-life, limited oral bioavailability, and induces several systemic adverse effects. The objective of this study was to investigate the feasibility of using Er:YAG fractional laser ablation to enable simultaneous cutaneous delivery of pentoxifylline and D- α -tocopherol succinate from poly(lactide-co-glycolide) microparticles prepared using the freeze-fracture technique. In vitro release experiments demonstrated the different release profiles of the two molecules, which were influenced by their very different lipophilicities and aqueous solubilities. Experiments were then performed to investigate the effect of laser fluence on pore depth and so determine the pore volume available to host the topically applied microparticles. Application of the pentoxifylline and D-α-tocopherol succinate containing microparticles, prepared with RESOMER® RG 502H, to laser porated skin for 48 h, resulted in simultaneous delivery of pentoxifylline (69.63 ± 6.41 μg/cm2; delivery efficiency 46.4%) and D-α-tocopherol succinate (33.25 ± 8.91 μg/cm2; delivery efficiency 22.2%). After deposition into the micropores, the poly(lactide-co-glycolide) microparticles containing pentoxifylline and D-α-tocopherol succinate could serve as an intraepidermal depot to enable sustained drug delivery after micropore closure and thereby reduce the need for repeated microporation.
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Affiliation(s)
- Si Gou
- School of Pharmaceutical Sciences, University of Geneva & University of Lausanne, 1211 Geneva, Switzerland
| | - Sergio Del Rio-Sancho
- School of Pharmaceutical Sciences, University of Geneva & University of Lausanne, 1211 Geneva, Switzerland
| | - Mayank Singhal
- School of Pharmaceutical Sciences, University of Geneva & University of Lausanne, 1211 Geneva, Switzerland
| | - Hans-Joachim Laubach
- Division of Dermatology, Geneva University Hospital, 1205 Geneva, Switzerland; Centre Laser MD, 8 Rue de Londres, 67000 Strasbourg, France
| | - Yogeshvar N Kalia
- School of Pharmaceutical Sciences, University of Geneva & University of Lausanne, 1211 Geneva, Switzerland.
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Chhibber S, Gondil VS, Singla L, Kumar M, Chhibber T, Sharma G, Sharma RK, Wangoo N, Katare OP. Effective Topical Delivery of H-AgNPs for Eradication of Klebsiella pneumoniae-Induced Burn Wound Infection. AAPS PharmSciTech 2019; 20:169. [PMID: 31004249 DOI: 10.1208/s12249-019-1350-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 02/22/2019] [Indexed: 11/30/2022] Open
Abstract
The aim of the present study was to explore the therapeutic efficacy of microemulsion-based delivery of histidine-capped silver nanoparticles in eradicating Klebsiella pneumoniae-induced burn wound infection. The developed microemulsion was characterized on the basis of differential light scattering, phase separation, refractive index, and specific conductance. Emulgel was prepared and characterized on the basis of thixotropy, texture, differential scanning calorimetry, and release kinetics. Emulgel was further evaluated in skin irritation and in vivo studies, namely full-thickness K. pneumoniae-induced burn wound infection treatment via topical route. Efficacy of treatment was evaluated in terms of bacterial load, histopathology, wound contraction, and other infection markers. The developed emulgel provided significant in vivo antibacterial activity of histidine-capped silver nanoparticle preparations via topical route and resulted in reduction in bacterial load, wound contraction, and enhanced skin healing as well as decrement of inflammatory markers such as malondialdehyde, myeloperoxidase, and reactive nitrogen intermediate compared to untreated animals. The present study encourages the further employment of histidine-capped silver nanoparticles along with microemulsion-based drug delivery system in combating antibiotic-resistant topical infections.
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El‐Taweel AI, Akl EM. Intralesional pentoxifylline injection in localized alopecia areata. J Cosmet Dermatol 2018; 18:602-607. [DOI: 10.1111/jocd.12796] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 06/28/2018] [Accepted: 09/06/2018] [Indexed: 11/27/2022]
Affiliation(s)
| | - Essam Mohamed Akl
- Department of Dermatology, Venereology & Andrology, Faculty of Medicine Benha University Benha Egypt
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Rathod S, Tripathi R, Verma G, Aswal VK, Bahadur P, Tiwari S. Bioadhesive polymeric film-based integrative platform for the unidirectional carbamazepine release from a volatile microemulsion. Colloids Surf B Biointerfaces 2018; 170:683-691. [DOI: 10.1016/j.colsurfb.2018.07.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Revised: 05/12/2018] [Accepted: 07/04/2018] [Indexed: 12/17/2022]
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Kim KT, Kim MH, Park JH, Lee JY, Cho HJ, Yoon IS, Kim DD. Microemulsion-based hydrogels for enhancing epidermal/dermal deposition of topically administered 20( S)-protopanaxadiol: in vitro and in vivo evaluation studies. J Ginseng Res 2018; 42:512-523. [PMID: 30337812 PMCID: PMC6190503 DOI: 10.1016/j.jgr.2017.07.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 06/29/2017] [Accepted: 07/14/2017] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND 20(S)-Protopanaxadiol (20S-PPD) is a fully deglycosylated ginsenoside metabolite and has potent dermal antiaging activity. However, because of its low aqueous solubility and large molecular size, a suitable formulation strategy is required to improve its solubility and skin permeability, thereby enhancing its skin deposition. Thus, we optimized microemulsion (ME)-based hydrogel (MEH) formulations for the topical delivery of 20S-PPD. METHODS MEs and MEHs were formulated and evaluated for their particle size distribution, morphology, drug loading capacity, and stability. Then, the deposition profiles of the selected 20S-PPD-loaded MEH formulation were studied using a hairless mouse skin model and Strat-M membrane as an artificial skin model. RESULTS A Carbopol-based MEH system of 20S-PPD was successfully prepared with a mean droplet size of 110 nm and narrow size distribution. The formulation was stable for 56 d, and its viscosity was high enough for its topical application. It significantly enhanced the in vitro and in vivo skin deposition of 20S-PPD with no influence on its systemic absorption in hairless mice. Notably, it was found that the Strat-M membrane provided skin deposition data well correlated to those obtained from the in vitro and in vivo mouse skin studies on 20S-PPD (correlation coefficient r 2 = 0.929‒0.947). CONCLUSION The MEH formulation developed in this study could serve as an effective topical delivery system for poorly soluble ginsenosides and their deglycosylated metabolites, including 20S-PPD.
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Affiliation(s)
- Ki-Taek Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Min-Hwan Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Ju-Hwan Park
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Jae-Young Lee
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Hyun-Jong Cho
- College of Pharmacy, Kangwon National University, Gangwon, Republic of Korea
| | - In-Soo Yoon
- College of Pharmacy, Pusan National University, Busan, Republic of Korea
| | - Dae-Duk Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
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Investigation of microemulsion and microemulsion gel formulations for dermal delivery of clotrimazole. Int J Pharm 2018; 536:345-352. [DOI: 10.1016/j.ijpharm.2017.11.041] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 10/28/2017] [Accepted: 11/19/2017] [Indexed: 11/22/2022]
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Ionic liquid – microemulsions assisting in the transdermal delivery of Dencichine: Preparation, in-vitro and in-vivo evaluations, and investigation of the permeation mechanism. Int J Pharm 2018; 535:120-131. [DOI: 10.1016/j.ijpharm.2017.10.024] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 09/18/2017] [Accepted: 10/11/2017] [Indexed: 01/23/2023]
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Langasco R, Tanrıverdi ST, Özer Ö, Roldo M, Cossu M, Rassu G, Giunchedi P, Gavini E. Prolonged skin retention of clobetasol propionate by bio-based microemulsions: a potential tool for scalp psoriasis treatment. Drug Dev Ind Pharm 2017; 44:398-406. [PMID: 29098874 DOI: 10.1080/03639045.2017.1395458] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Novel effective and cosmetically acceptable formulations are needed for the treatment of scalp psoriasis, due to the poor efficacy of the current products. The challenge in developing safe, efficient, and convenient delivery systems for this drug was addressed in the present work by formulating clobetasol propionate-loaded W/O microemulsions (MEs). Pseudo-ternary phase diagrams were constructed by using a combination of biocompatible and biodegradable excipients. Characterization studies demonstrated that selected MEs had suitable technological features such as being Newtonian fluids, possessing low viscosity, and high thermodynamic stability. Photomicrographs showed a significant alteration of the skin structure after treatment with MEs, and a preferential concentration of these in the stratum corneum and epidermis. These data, together with ex vivo permeation results, suggested an enhanced topical targeted effect due to an increased drug retention efficacy in the upper skin layers, as desired. Moreover, the bio-based excipients selected could contribute to the healing of the psoriatic scalp. In this way, the improvement of clobetasol efficacy is combined with the useful properties of the microemulsion components and with environmental safety.
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Affiliation(s)
- Rita Langasco
- a Department of Chemistry and Pharmacy , University of Sassari , Sassari , Italy
| | - Sakine Tuncay Tanrıverdi
- b Department of Pharmaceutical Technology, Faculty of Pharmacy , Ege University , Izmir , Turkey
| | - Özgen Özer
- b Department of Pharmaceutical Technology, Faculty of Pharmacy , Ege University , Izmir , Turkey
| | - Marta Roldo
- c School of Pharmacy and Biomedical Sciences , University of Portsmouth , Portsmouth , UK
| | - Massimo Cossu
- a Department of Chemistry and Pharmacy , University of Sassari , Sassari , Italy
| | - Giovanna Rassu
- a Department of Chemistry and Pharmacy , University of Sassari , Sassari , Italy
| | - Paolo Giunchedi
- a Department of Chemistry and Pharmacy , University of Sassari , Sassari , Italy
| | - Elisabetta Gavini
- a Department of Chemistry and Pharmacy , University of Sassari , Sassari , Italy
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Topical Nano and Microemulsions for Skin Delivery. Pharmaceutics 2017; 9:pharmaceutics9040037. [PMID: 28934172 PMCID: PMC5750643 DOI: 10.3390/pharmaceutics9040037] [Citation(s) in RCA: 184] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 09/11/2017] [Accepted: 09/13/2017] [Indexed: 11/17/2022] Open
Abstract
Nanosystems such as microemulsions (ME) and nanoemulsions (NE) offer considerable opportunities for targeted drug delivery to and via the skin. ME and NE are stable colloidal systems composed of oil and water, stabilised by a mixture of surfactants and cosurfactants, that have received particular interest as topical skin delivery systems. There is considerable scope to manipulate the formulation components and characteristics to achieve optimal bioavailability and minimal skin irritancy. This includes the incorporation of established chemical penetration enhancers to fluidize the stratum corneum lipid bilayers, thus reducing the primary skin barrier and increasing permeation. This review discusses nanosystems with utility in skin delivery and focuses on the composition and characterization of ME and NE for topical and transdermal delivery. The mechanism of skin delivery across the stratum corneum and via hair follicles is reviewed with particular focus on the influence of formulation.
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35
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Zhang YT, Li Z, Zhang K, Zhang HY, He ZH, Xia Q, Zhao JH, Feng NP. Co-delivery of evodiamine and rutaecarpine in a microemulsion-based hyaluronic acid hydrogel for enhanced analgesic effects on mouse pain models. Int J Pharm 2017; 528:100-106. [DOI: 10.1016/j.ijpharm.2017.05.064] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 05/05/2017] [Accepted: 05/27/2017] [Indexed: 10/19/2022]
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36
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Wan T, Pan J, Long Y, Yu K, Wang Y, Pan W, Ruan W, Qin M, Wu C, Xu Y. Dual roles of TPGS based microemulsion for tacrolimus: Enhancing the percutaneous delivery and anti-psoriatic efficacy. Int J Pharm 2017. [DOI: 10.1016/j.ijpharm.2017.06.050] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Carvalho VF, de Lemos DP, Vieira CS, Migotto A, Lopes LB. Potential of Non-aqueous Microemulsions to Improve the Delivery of Lipophilic Drugs to the Skin. AAPS PharmSciTech 2017; 18:1739-1749. [PMID: 27757922 DOI: 10.1208/s12249-016-0643-7] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Accepted: 09/22/2016] [Indexed: 11/30/2022] Open
Abstract
In this study, non-aqueous microemulsions were developed because of the challenges associated with finding pharmaceutically acceptable solvents for topical delivery of drugs sparingly soluble in water. The formulation irritation potential and ability to modulate the penetration of lipophilic compounds (progesterone, α-tocopherol, and lycopene) of interest for topical treatment/prevention of skin disorders were evaluated and compared to solutions and aqueous microemulsions of similar composition. The microemulsions (ME) were developed with BRIJ, vitamin E-TPGS, and ethanol as surfactant-co-surfactant blend and tributyrin, isopropyl myristate, and oleic acid as oil phase. As polar phase, propylene glycol (MEPG) or water (MEW) was used (26% w/w). The microemulsions were isotropic and based on viscosity and conductivity assessment, bicontinuous. Compared to drug solutions in lipophilic vehicles, MEPG improved drug delivery into viable skin layers by 2.5-38-fold; the magnitude of penetration enhancement mediated by MEPG into viable skin increased with drug lipophilicity, even though the absolute amount of drug delivered decreased. Delivery of progesterone and tocopherol, but not lycopene (the most lipophilic compound), increased up to 2.5-fold with MEW, and higher amounts of these two drugs were released from MEW (2-2.5-fold). Both microemulsions were considered safe for topical application, but MEPG-mediated decrease in the viability of reconstructed epidermis was more pronounced, suggesting its higher potential for irritation. We conclude that MEPG is a safe and suitable nanocarrier to deliver a variety of lipophilic drugs into viable skin layers, but the use of MEW might be more advantageous for drugs in the lower range of lipophilicity.
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Azizi M, Esmaeili F, Partoazar A, Ejtemaei Mehr S, Amani A. Efficacy of nano- and microemulsion-based topical gels in delivery of ibuprofen: an in vivo study. J Microencapsul 2017; 34:195-202. [DOI: 10.1080/02652048.2017.1316324] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Mosayeb Azizi
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Fariba Esmaeili
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Partoazar
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahram Ejtemaei Mehr
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Amir Amani
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Medical Biomaterials Research Center, Tehran University of Medical Sciences, Tehran, Iran
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Roberts MS, Mohammed Y, Pastore MN, Namjoshi S, Yousef S, Alinaghi A, Haridass IN, Abd E, Leite-Silva VR, Benson H, Grice JE. Topical and cutaneous delivery using nanosystems. J Control Release 2016; 247:86-105. [PMID: 28024914 DOI: 10.1016/j.jconrel.2016.12.022] [Citation(s) in RCA: 168] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2016] [Accepted: 12/20/2016] [Indexed: 12/11/2022]
Abstract
The goal of topical and cutaneous delivery is to deliver therapeutic and other substances to a desired target site in the skin at appropriate doses to achieve a safe and efficacious outcome. Normally, however, when the stratum corneum is intact and the skin barrier is uncompromised, this is limited to molecules that are relatively lipophilic, small and uncharged, thereby excluding many potentially useful therapeutic peptides, proteins, vaccines, gene fragments or drug-carrying particles. In this review we will describe how nanosystems are being increasingly exploited for topical and cutaneous delivery, particularly for these previously difficult substances. This is also being driven by the development of novel technologies, which include minimally invasive delivery systems and more precise fabrication techniques. While there is a vast array of nanosystems under development and many undergoing advanced clinical trials, relatively few have achieved full translation to clinical practice. This slow uptake may be due, in part, to the need for a rigorous demonstration of safety in these new nanotechnologies. Some of the safety aspects associated with nanosystems will be considered in this review.
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Affiliation(s)
- M S Roberts
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Translational Research Institute, QLD, 4102, Australia; School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, Australia.
| | - Y Mohammed
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Translational Research Institute, QLD, 4102, Australia
| | - M N Pastore
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, Australia
| | - S Namjoshi
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Translational Research Institute, QLD, 4102, Australia
| | - S Yousef
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Translational Research Institute, QLD, 4102, Australia
| | - A Alinaghi
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, Australia
| | - I N Haridass
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Translational Research Institute, QLD, 4102, Australia; School of Pharmacy, Curtin Health Innovation Research Institute, Curtin University, GPO Box U1987, Perth, WA, Australia
| | - E Abd
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Translational Research Institute, QLD, 4102, Australia
| | - V R Leite-Silva
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Translational Research Institute, QLD, 4102, Australia
| | - Hae Benson
- School of Pharmacy, Curtin Health Innovation Research Institute, Curtin University, GPO Box U1987, Perth, WA, Australia
| | - J E Grice
- Therapeutics Research Centre, School of Medicine, The University of Queensland, Translational Research Institute, QLD, 4102, Australia
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