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Gupta AK, Polla Ravi S, Choi SY, Konda A, Cooper EA. Strategies for the enhancement of nail plate permeation of drugs to treat onychomycosis. J Eur Acad Dermatol Venereol 2023; 37:243-255. [PMID: 36196052 DOI: 10.1111/jdv.18638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 09/23/2022] [Indexed: 01/18/2023]
Abstract
Onychomycosis is caused by dermatophytes, non-dermatophytes and yeasts. It has a global prevalence of 5.5%, requires long treatment periods, and has high relapse rates following therapy. Oral antifungals are generally the most common treatment. While effective, they have limitations such as drug-drug interactions, hepatotoxicity and adverse side effects; thus, they cannot be used in several populations. Topical antifungals do not have the safety limitations but are typically not as effective. The primary challenge of topical treatment is the permeation of drug molecules across the nail plate barrier, which is a highly cross-linked keratin network. The use of drugs and formulations with favourable characteristics such as small size, absence of lipophilicity, hydrophilic nature, hydrating properties and appropriate pH can greatly improve permeation. Here, we review physical, nanoparticle-based, formulation-based, mechanical and chemical drug delivery strategies to improve the permeation of drugs across the nail plate.
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Affiliation(s)
- Aditya K Gupta
- Mediprobe Research Inc., London, Ontario, Canada.,Division of Dermatology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | | | - Su Yong Choi
- Ernest Mario School of Pharmacy, Rutgers University, New Brunswick, New Jersey, USA
| | - Adarsh Konda
- Bausch Health US, LLC, Bridgewater, New Jersey, USA
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2
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Krawczyk-Santos AP, Marreto RN, Concheiro A, Alvarez-Lorenzo C, Taveira SF. Poly(pseudo)rotaxanes formed by mixed micelles and α-cyclodextrin enhance terbinafine nail permeation to deeper layers. Int J Pharm X 2022; 4:100118. [PMID: 35602759 PMCID: PMC9117884 DOI: 10.1016/j.ijpx.2022.100118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 05/07/2022] [Indexed: 11/25/2022] Open
Abstract
This work aimed to develop water-based formulations for onychomycosis topical treatment using micelles of small pegylated surfactants associated with α-cyclodextrin (αCD) to deliver terbinafine to the nail. Kolliphor® RH40 (RH40) and Gelucire® 48/16 (GEL) single and mixed micelles (RH40:GEL 1:1) were prepared. αCD was added to the surfactants dispersions to form poly(pseudo)rotaxanes (PPR). Formulations were characterized in terms of drug solubilization (3 to 34-fold increase), particle size (9–11 nm) and Z-potential (+0.3 − +1.96 mV), blood compatibility (non-hemolytic), rheological behavior (solid-like viscoelastic properties after 5–10% αCD addition), drug release and interaction with the nail plate. GEL micelles and surfactant-10% αCD PPRs notably hydrated the nail plate. The high viscosity of PPR led to a slower drug release, except for RH40:GEL +10% αCD that surprisingly released terbinafine faster. The RH40:GEL +10% αCD formulation delivered twice more amount of terbinafine to deeper regions of nail plate compared to other formulations. The results evidenced the potential of PPR formed by small pegylated surfactants as a water-based formulation for nail drug delivery. RH40, GEL and their mixed micelles increased 3-fold and 34-fold TB solubility in water and citrate buffer, respectively. Addition of αCD (5–10%) led to PPR formation and viscoelastic supramolecular gels without decrease in TB solubilization. PPR formulations with 10% αCD enhanced nail plate hydration, increasing its porosity. Compared to mixed micelles, PRP showed slower release rate but promoted TB accumulation in deeper regions of hooves.
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Affiliation(s)
- Anna Paula Krawczyk-Santos
- Laboratory of Nanosystems and Drug Delivery Devices (NanoSYS), School of Pharmacy, Universidade Federal de Goiás (UFG), Rua 240, Setor Leste Universitário, 74, 605-170 Goiânia, GO, Brazil
| | - Ricardo Neves Marreto
- Laboratory of Nanosystems and Drug Delivery Devices (NanoSYS), School of Pharmacy, Universidade Federal de Goiás (UFG), Rua 240, Setor Leste Universitário, 74, 605-170 Goiânia, GO, Brazil
| | - Angel Concheiro
- Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, I+DFarma Group (GI-1645), Facultad de Farmacia, iMATUS and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Carmen Alvarez-Lorenzo
- Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, I+DFarma Group (GI-1645), Facultad de Farmacia, iMATUS and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
- Corresponding authors.
| | - Stephânia Fleury Taveira
- Laboratory of Nanosystems and Drug Delivery Devices (NanoSYS), School of Pharmacy, Universidade Federal de Goiás (UFG), Rua 240, Setor Leste Universitário, 74, 605-170 Goiânia, GO, Brazil
- Corresponding authors.
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3
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Ullah KH, Rasheed F, Naz I, Ul Haq N, Fatima H, Kanwal N, Ur-Rehman T. Chitosan Nanoparticles Loaded Poloxamer 407 Gel for Transungual Delivery of Terbinafine HCl. Pharmaceutics 2022; 14:2353. [PMID: 36365171 PMCID: PMC9698022 DOI: 10.3390/pharmaceutics14112353] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/12/2022] [Accepted: 10/24/2022] [Indexed: 11/25/2023] Open
Abstract
The current study aimed to develop chitosan nanoparticles (CSNP) loaded poloxamer 407 (P407) gel formulation for transungual delivery of terbinafine HCl (TBN). TBN-CSNP were prepared by nanoprecipitation method and optimized by face-centered central composite design (FCCCD). Optimized TBN-CSNP formulation exhibited a spherical shape with hydrodynamic diameter; zeta potential and entrapment efficiency (EE) of 229 ± 5 nm; 37 ± 1.5 mV; and 75 ± 2% respectively. The solid state of TBN and its compatibility with formulation ingredients were confirmed through XRD and FTIR analysis respectively. TBN-CSNP loaded P407 gel exhibited pseudoplastic rheological behavior having a spreadability of 11 ± 2 g·cm/s. The washability study showed that 40 ± 2% of the gel was eroded after washing 12 times. Drug release from TBN-CSNP- and TBN-CSNP-loaded gel was 84 ± 5% and 57 ± 3%, respectively. The cumulative quantity of TBN permeated from TBN-CSNP-loaded P407 gel and TBN-loaded P407 gel was 25 ± 8 and 27 ± 4 µg/cm2, respectively. The nail uptake study showed that 3.6 ± 0.7 and 2.1 ± 0.3 µg of rhodamine was uptaken by the nail following 2 h topical application of TBN-CSNP loaded P407 gel and TBN loaded P407 gel, respectively. Hence, the developed CSNP-based P407 gel formulation can be a potential carrier for transungual delivery of TBN to topically treat onychomycosis.
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Affiliation(s)
| | - Faisal Rasheed
- Patient Diagnostic Lab, Isotope Application Division (IAD), Pakistan Institute of Nuclear Science and Technology (PINSTECH), Nilore, Islamabad 45650, Pakistan
| | - Iffat Naz
- Department of Biology, Science Unit, Deanship of Educational Services, Qassim University, Buraidah 51452, Saudi Arabia
| | - Naveed Ul Haq
- Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Humaira Fatima
- Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Nosheen Kanwal
- Department of Biochemistry, Science Unit, Deanship of Educational Services, Qassim University, Buraidah 51452, Saudi Arabia
| | - Tofeeq Ur-Rehman
- Department of Pharmacy, Quaid-i-Azam University, Islamabad 45320, Pakistan
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4
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Puri V, Froelich A, Shah P, Pringle S, Chen K, Michniak-Kohn B. Quality by Design Guided Development of Polymeric Nanospheres of Terbinafine Hydrochloride for Topical Treatment of Onychomycosis Using a Nano-Gel Formulation. Pharmaceutics 2022; 14:pharmaceutics14102170. [PMID: 36297605 PMCID: PMC9611585 DOI: 10.3390/pharmaceutics14102170] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 09/29/2022] [Accepted: 10/07/2022] [Indexed: 11/28/2022] Open
Abstract
Superficial fungal diseases of the skin and nails are an increasingly common occurrence globally, requiring effective topical treatment to avoid systemic adverse effects. Polymeric nanoparticles have demonstrated sustained and effective drug delivery in a variety of topical formulations. The aim of this project was to develop polymeric antifungal nanospheres containing terbinafine hydrochloride (TBH) to be loaded into a hydrogel formulation for topical nail drug delivery. A quality by design (QbD) approach was used to achieve optimized particles with the desired quality target product profile (QTPP). Polyvinyl alcohol (PVA) at 2% w/v and a drug to polymer ratio of 1:4, together with a robust set of processes and material attributes, resulted in nanoparticles of 108.7 nm with a polydispersity index (PDI) of 0.63, 57.43% recovery, and other desirable characteristics such as zeta potential (ZP), particle shape, aggregation, etc. The nanospheres were incorporated into a carbomer-based gel, and the delivery of TBH through this formulation was evaluated by means of in vitro drug release testing (IVRT) and ex vivo nail permeation study. The gel containing the TBH nanospheres demonstrated a slower and controlled drug release profile compared with the control gel, in addition to a more efficient delivery into the nail. These antifungal nanospheres can be utilized for topical therapy of a multitude of superficial fungal infections.
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Affiliation(s)
- Vinam Puri
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08855, USA
- Center for Dermal Research, Life Science Building, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Anna Froelich
- Chair and Department of Pharmaceutical Technology, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland
| | - Parinbhai Shah
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08855, USA
- Center for Dermal Research, Life Science Building, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Shernelle Pringle
- Department of Biomedical Sciences, School of Graduate Studies, Rutgers, The State University of New Jersey, Piscataway, NJ 08855, USA
| | - Kevin Chen
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08855, USA
- Center for Dermal Research, Life Science Building, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Bozena Michniak-Kohn
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08855, USA
- Center for Dermal Research, Life Science Building, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
- Correspondence: ; Tel.: +1-(848)-445-3589
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5
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Souza AMS, Ribeiro RCA, Pinheiro GKLO, Pinheiro FI, Oliveira WN, Souza LBFC, Silva AL, Amaral-Machado L, Alencar ÉN, Chaves GM, Egito EST. Polishing the Therapy of Onychomycosis Induced by Candida spp.: Amphotericin B-Loaded Nail Lacquer. Pharmaceutics 2021; 13:pharmaceutics13060784. [PMID: 34073997 PMCID: PMC8225016 DOI: 10.3390/pharmaceutics13060784] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 11/16/2022] Open
Abstract
Onychomycosis induced by Candida spp. has several limitations regarding its treatment. Nail lacquers display the potential to overcome these drawbacks by providing therapeutic compliance and increasing local drug bioavailability. Thus, this work aimed to produce a nail lacquer loaded with Amphotericin B (AmB) and evaluate its performance. The AmB-loaded nail lacquer was produced and preliminarily characterized. An AmB quantification method was developed. Stability, drug release, permeability and anti-Candida activity assays were conducted. The analytical method validation met the acceptance criteria. The drug loading efficiency was 100% (0.02 mg/g of total product), whereas the AmB stability was limited to ≅7 days (≅90% remaining). The nail lacquer displayed a drying time of 187 s, non-volatile content of around 20%w/w, water-resistance of approximately 2%w/w of weight loss and satisfactory in vitro adhesion. Moreover, the in vitro antifungal activity against different Candida spp. strains was confirmed. The AmB release and the ex vivo permeability studies revealed that AmB leaves the lacquer and permeates the nail matrix in 47.76 ± 0.07% over 24 h. In conclusion, AmB-loaded nail lacquer shows itself as a promising extemporaneous dosage form with remarkable anti-Candida activity related to onychomycosis.
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Affiliation(s)
- Aleph M. S. Souza
- Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Norte (UFRN), Natal 59012-570, Brazil; (A.M.S.S.); (L.B.F.C.S.); (G.M.C.)
| | - Renato C. A. Ribeiro
- Graduate Program in Health Sciences, Federal University of Rio Grande do Norte (UFRN), Natal 59012-570, Brazil; (R.C.A.R.); (W.N.O.); (L.A.-M.)
| | - Gleyse K. L. O. Pinheiro
- Graduate Program in Biotechnology, School of Health, Potiguar University (UnP)–Laureate International Universities, Natal 59056-000, Brazil; (G.K.L.O.P.); (F.I.P.)
| | - Francisco I. Pinheiro
- Graduate Program in Biotechnology, School of Health, Potiguar University (UnP)–Laureate International Universities, Natal 59056-000, Brazil; (G.K.L.O.P.); (F.I.P.)
| | - Wógenes N. Oliveira
- Graduate Program in Health Sciences, Federal University of Rio Grande do Norte (UFRN), Natal 59012-570, Brazil; (R.C.A.R.); (W.N.O.); (L.A.-M.)
| | - Luanda B. F. C. Souza
- Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Norte (UFRN), Natal 59012-570, Brazil; (A.M.S.S.); (L.B.F.C.S.); (G.M.C.)
| | - André L. Silva
- Center for Biological Sciences and Health, Federal University of Western Bahia (UFOB), Barreiras 47800-000, Brazil;
| | - Lucas Amaral-Machado
- Graduate Program in Health Sciences, Federal University of Rio Grande do Norte (UFRN), Natal 59012-570, Brazil; (R.C.A.R.); (W.N.O.); (L.A.-M.)
| | - Éverton N. Alencar
- Graduate Program in Pharmaceutical Nanotechnology, Federal University of Rio Grande do Norte (UFRN), Natal 59012-570, Brazil;
| | - Guilherme M. Chaves
- Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Norte (UFRN), Natal 59012-570, Brazil; (A.M.S.S.); (L.B.F.C.S.); (G.M.C.)
- Graduate Program in Health Sciences, Federal University of Rio Grande do Norte (UFRN), Natal 59012-570, Brazil; (R.C.A.R.); (W.N.O.); (L.A.-M.)
| | - Eryvaldo S. T. Egito
- Graduate Program in Pharmaceutical Sciences, Federal University of Rio Grande do Norte (UFRN), Natal 59012-570, Brazil; (A.M.S.S.); (L.B.F.C.S.); (G.M.C.)
- Graduate Program in Health Sciences, Federal University of Rio Grande do Norte (UFRN), Natal 59012-570, Brazil; (R.C.A.R.); (W.N.O.); (L.A.-M.)
- Graduate Program in Pharmaceutical Nanotechnology, Federal University of Rio Grande do Norte (UFRN), Natal 59012-570, Brazil;
- Correspondence: ; Tel.: +55-(84)-3342–9817
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6
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Chen K, Puri V, Michniak-Kohn B. Iontophoresis to Overcome the Challenge of Nail Permeation: Considerations and Optimizations for Successful Ungual Drug Delivery. AAPS JOURNAL 2021; 23:25. [PMID: 33439400 DOI: 10.1208/s12248-020-00552-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 12/22/2020] [Indexed: 12/18/2022]
Abstract
Iontophoresis is a widely used drug delivery technique that has been used clinically to improve permeation through the skin for drugs and other actives in topical formulations. It is however not commonly used for the treatment of nail diseases despite its potential to improve transungual nail delivery. Instead, treatments for nail diseases are limited to relatively ineffective topical passive permeation techniques, which often result in relapses of nail diseases due to the thickness and hardness of the nail barrier resulting in lower permeation of the actives. Oral systemic antifungal agents that are also used are often associated with various undesirable side effects resulting in low patient compliance. This review article discusses what is currently known about the field of transungual iontophoresis, providing evidence of its efficacy and practicality in delivering drug to the entire surface of the nail for extended treatment periods. It also includes relevant details about the nail structure, the mechanisms of iontophoresis, and the associated in vitro and in vivo studies which have been used to investigate the optimal characteristics for a transungual iontophoretic drug delivery system. Iontophoresis is undoubtedly a promising option to treat nail diseases, and the use of this technique for clinical use will likely improve patient outcomes.Graphical abstract.
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Affiliation(s)
- Kevin Chen
- Ernest Mario School of Pharmacy, Department of Pharmaceutics, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA.,Center for Dermal Research, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA
| | - Vinam Puri
- Ernest Mario School of Pharmacy, Department of Pharmaceutics, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA.,Center for Dermal Research, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA
| | - Bozena Michniak-Kohn
- Ernest Mario School of Pharmacy, Department of Pharmaceutics, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA. .,Center for Dermal Research, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA. .,Life Sciences Building, Rutgers, The State University of New Jersey, 145, Bevier Road, Piscataway, New Jersey, 08854, USA.
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7
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Aggarwal R, Targhotra M, Kumar B, Sahoo PK, Chauhan MK. Treatment and management strategies of onychomycosis. J Mycol Med 2020; 30:100949. [PMID: 32234349 DOI: 10.1016/j.mycmed.2020.100949] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 02/15/2020] [Accepted: 03/05/2020] [Indexed: 12/12/2022]
Abstract
Onychomycosis is one of the most prevalent and severe nail fungal infections, which is affecting a wide population across the globe. It leads to variations like nail thickening, disintegration and hardening. Oral and topical drug delivery systems are the most desirable in treating onychomycosis, but the efficacy of the results is low, resulting in a relapse rate of 25-30%. Due to systemic toxicity and various other disadvantages associated with oral therapy like gastrointestinal, hepatotoxicity, topical therapy is commonly used. Topical therapy improves patient compliance and reduces the cost of treatment. However, due to poor penetration of topical therapy across the nail plate, research is focused on different chemical, mechanical and physical methods to improve drug delivery. Penetration enhancers like Thioglycolic acid, Hydroxypropyl-β-cyclodextrin (HP-β-CD), Sodium lauryl sulfate (SLS), carbocysteine, N-acetylcysteine etc. have shown results enhancing the drug penetration across the nail plate. Results with physical techniques such as iontophoresis, laser and Photodynamic therapy are quite promising, but the long-term suitability of these devices is in need to be determined. In this article, a brief analysis of the treatment procedures, factors affecting drug permeation across nail plate, chemical, mechanical and physical devices used to increase the drug delivery through nails for the onychomycosis management has been achieved.
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Affiliation(s)
- R Aggarwal
- Department of Pharmaceutics, Delhi Institute of Pharmaceutical Sciences and Research, Mehrauli - Badarpur Rd, Sector 3, Pushp Vihar, New Delhi 110017, India.
| | - M Targhotra
- Department of Pharmaceutics, Delhi Institute of Pharmaceutical Sciences and Research, Mehrauli - Badarpur Rd, Sector 3, Pushp Vihar, New Delhi 110017, India
| | - B Kumar
- Department of Pharmaceutics, Delhi Institute of Pharmaceutical Sciences and Research, Mehrauli - Badarpur Rd, Sector 3, Pushp Vihar, New Delhi 110017, India
| | - P K Sahoo
- Department of Pharmaceutics, Delhi Institute of Pharmaceutical Sciences and Research, Mehrauli - Badarpur Rd, Sector 3, Pushp Vihar, New Delhi 110017, India
| | - M K Chauhan
- Department of Pharmaceutics, Delhi Institute of Pharmaceutical Sciences and Research, Mehrauli - Badarpur Rd, Sector 3, Pushp Vihar, New Delhi 110017, India
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8
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Abstract
A deteriorating nail standard is a growing problem as the global prevalence of diabetes is increasing. Systemic treatment with mineral supplements may not be recommended, mainly due to the high doses required to deliver optimal therapeutic concentrations. In this work, we evaluate nail polish formulations for the local delivery of strengthening elements to the nail plate. Specifically, we assess calcium and silicon release from nail polish base coat formulations containing three different concentrations of White Portland Cement to water, as well as to artificial and human nails. The delivery of calcium and silicon to the dorsal nail plate was determined by inductively coupled plasma optical emission spectrometry, scanning electron microscopy, and energy dispersive X-ray spectroscopy. To the best of our knowledge, this is the first study showing that such dual elemental delivery to human nails can be achieved from nail polish formulations. Hence, this work may form the basis for new inventions where therapeutic functionalities can be integrated with the mechanical and cosmetic properties of a base coat nail polish. Future permeability studies are required to verify long-term effects on the nail standard, induced by the formulations under study.
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9
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Cutrín-Gómez E, Conde-Penedo A, Anguiano-Igea S, Gómez-Amoza JL, Otero-Espinar FJ. Optimization of Drug Permeation from 8% Ciclopirox Cyclodextrin/Poloxamer-Soluble Polypseudorotaxane-Based Nail Lacquers. Pharmaceutics 2020; 12:pharmaceutics12030231. [PMID: 32151015 PMCID: PMC7150861 DOI: 10.3390/pharmaceutics12030231] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 02/29/2020] [Accepted: 03/03/2020] [Indexed: 12/26/2022] Open
Abstract
Cyclodextrin/poloxamer-soluble polypseudorotaxane-based nail lacquers have demonstrated significant capacity for promoting the permeation of drugs into the nail plate. Furthermore, previous studies have shown that the use of hydroalcoholic blends as vehicles promotes drug permeation. The work described herein studies the effect of the type of alcohol used in the lacquer preparation, and the composition of the vehicle is optimized to obtain soluble doses of 8% and to promote the diffusion of ciclopirox base and olamine across the nail. Permeation studies on different types of alcohols show that optimum results are achieved with short-chain alcohols, and that results become less satisfactory the higher the number of alcohol carbons. In addition, solubility and penetration studies on the bovine hoof have enabled the composition of the lacquer to be optimized for both forms of ciclopirox. The results suggest that optimized lacquers have better ciclopirox diffusion and penetration properties than the commercial reference lacquer. Lastly, in vivo studies in which optimized ciclopirox olamine lacquer was applied for 45 days to the nails of healthy volunteers showed that it caused no negative effects or changes to the nail surface. These results demonstrate the significant potential of cyclodextrin/poloxamer-soluble polypseudorotaxane-based nail lacquers for the ungual administration of drugs.
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Hussain A, Altamimi MA, Alshehri S, Imam SS, Shakeel F, Singh SK. Novel Approach for Transdermal Delivery of Rifampicin to Induce Synergistic Antimycobacterial Effects Against Cutaneous and Systemic Tuberculosis Using a Cationic Nanoemulsion Gel. Int J Nanomedicine 2020; 15:1073-1094. [PMID: 32103956 PMCID: PMC7027864 DOI: 10.2147/ijn.s236277] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Accepted: 12/14/2019] [Indexed: 01/10/2023] Open
Abstract
Purpose This study demonstrated improved transdermal delivery of rifampicin-loaded cationic nanoemulsion gel to treat systemic and cutaneous tuberculosis using capmul, labrasol, and acconon, which exert anti-Mycobacterium activities. This approach enhanced drug permeation across the skin, increased therapeutic efficacy, and reduced dose-related side effects. Methods Design Expert® was used to optimize formulations (Smix ratio and capmul as independent factors), which were prepared using a slow spontaneous titration method. The optimized nanoemulsion was incorporated into carbopol gel to allow for topical application and comparative assessments. Nanoemulsions and gels were evaluated for size, size distribution, shape, zeta potential, percent spread, viscosity, in vitro hemolysis, in vitro release, and ex vivo skin permeation and deposition. A mechanistic evaluation was performed using scanning electron microscopy. Furthermore, in vivo pharmacokinetic and irritation studies were performed. Results The optimized cationic nanoemulsion (OCNE-1) was characterized by small particle size (≤100 nm), had optimal viscosity, percent spread, zeta potential, and percent drug release, and was hemocompatible. The OCNE-1T gel exhibited higher permeation flux (51.32 ± 0.5 µg/cm2 hr), permeation coefficient (2.566 ± 0.08 cm/hr), drug deposition (994.404 µg/cm2), and enhancement ratio (7.16) than those of the OCNE-1 nanoemulsion or drug solution. Scanning electron microscopy was used to characterize the mechanism of enhanced permeation. An In vivo study showed that the Cmax and area under the curve following transdermal application were 4.34- and 4.74-fold higher than those following oral administration. Conclusion Transdermal delivery of rifampicin could be a promising alternative to conventional approaches to treat systemic and local tuberculosis, and other bacterial infections.
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Affiliation(s)
- Afzal Hussain
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Mohammad A Altamimi
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Sultan Alshehri
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Syed Sarim Imam
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Faiyaz Shakeel
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Sandeep Kumar Singh
- Department of Pharmaceutical Sciences, Birla Institute of Technology, Ranchi, Jharkhand, India
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11
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Joshi H, Malik A, Aggarwal S, Munde M, Maitra SS, Adlakha N, Bhatnagar R. In-vitro Detection of Phytopathogenic Fungal Cell Wall by Polyclonal Sera Raised Against Trimethyl Chitosan Nanoparticles. Int J Nanomedicine 2019; 14:10023-10033. [PMID: 31908457 PMCID: PMC6930813 DOI: 10.2147/ijn.s220488] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Accepted: 09/03/2019] [Indexed: 11/23/2022] Open
Abstract
Purpose The objective of this research was to generate a tool for the first-line detection of fungal infection in plants. Chitin is one of the unique fungal cell wall polysaccharide which is naturally deacetylated to chitosan upon infection. It is said to be involved in the fungal cell wall modulation and plant-pathogen communication. Therefore, detection of chitosan could be potentially helpful in the detection of fungal contamination. Methods Five different phytopathogenic fungi strains were used for the study. Polyclonal sera were raised in the mice against Trimethylchitosan nanoparticles to generate an enhanced humoral immune response and generate a rich and heterogeneous repertoire of antibodies. The binding affinity of the sera with fungal cell wall was analyzed by ELISA, Langmuir isotherm, confocal microscopy and ITC (Isothermal Calorimetry). Results The raised polyclonal sera could detect chitosan in the fungal cell wall, as analyzed with the different techniques. However, the detection specificity varied among the strains in proportion to the chitin content of their cell wall. Fusarium oxysporum was detected with the highest affinity while Trichoderma reesei was detected with the least affinity by ELISA. Adsorption isotherm, as well as ITC, revealed the specific and high binding capacity. Confocal microscopy also confirmed the detection of all strains used in the study. Conclusion This novel technique employing TMC nanoparticulate system could be potentially used as a source to raise sera against chitosan in an inexpensive and less laborious manner. Rapid detection of fungal contamination by the polyclonal antibodies could help in devising a quick solution. The polyclonal sera are expected to detect a span of epitopes and provide precise detection. The detection system could be advanced for future applications such as food quality control, crop protection, and human fungal infection detection and treatment.
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Affiliation(s)
- Hemant Joshi
- Molecular Biology and Genetic Engineering Laboratory, School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India
| | - Anshu Malik
- Molecular Biology and Genetic Engineering Laboratory, School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India
| | - Soumya Aggarwal
- School of Physical Science, Jawaharlal Nehru University, New Delhi 110067, India
| | - Manoj Munde
- School of Physical Science, Jawaharlal Nehru University, New Delhi 110067, India
| | - Subhrangsu Sundar Maitra
- Molecular Biology and Genetic Engineering Laboratory, School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India
| | - Nidhi Adlakha
- Regional Centre for Biotechnology, NCR Biotech Cluster, Faridabad 121001, India
| | - Rakesh Bhatnagar
- Molecular Biology and Genetic Engineering Laboratory, School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India.,Banaras Hindu University, Banaras, Uttar Pradesh 221005, India
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12
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Fu X, Shi Y, Wang H, Zhao X, Sun Q, Huang Y, Qi T, Lin G. Ethosomal Gel for Improving Transdermal Delivery of Thymosin β-4. Int J Nanomedicine 2019; 14:9275-9284. [PMID: 31819429 PMCID: PMC6885565 DOI: 10.2147/ijn.s228863] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 11/16/2019] [Indexed: 12/28/2022] Open
Abstract
Purpose Thymosin β-4(Tβ-4) is a macromolecular protein drug with potential for drug development in wound repair but is limited by the shortcomings of macromolecular protein, such as large volumes, poor membrane permeability, and unstable physicochemical characteristics. Ethosomes could enhance cell membrane fluidity and reduce epidermal membrane density to make macromolecular drugs through the stratum corneum into the deeper layers of the skin easily. Herein, we developed and characterized a novel transdermal delivery vehicle to load macromolecular protein peptides and use Tβ-4 as a model drug wrapped into ethosomes. Methods We used the orthogonal method to optimize the formulation of the ethosome preparation prepared by the ethonal infusion method. Ethosomal gels were characterized by using different analytical methods. Transdermal release rate in vitro have been demonstrated in Franz diffusion cells and the efficacy of drug-loaded nanocarriers in vivo was investigated in a mouse model. Results Optimized Tβ-4 ethosomal gels have good physicochemical properties. The drug amounts of the cumulative release in the ethosomal gel within 5 hours were 1.67 times that of the T-β4 gel in vitro release study, and the wound healing time of ethosomal gel group was only half of the T-β4 gel group in vivo pharmacokinetic study. Compared with the free drug group, the ethosome preparation not only promotes the percutaneous absorption process of the macromolecular protein drugs but also shortened wound recovery time. Conclusion Hence, we provide a possible good design for ethosomal gel system that can load macromolecular protein peptide drugs to achieve transdermal drug administration, promoting the percutaneous absorption of the drug and improving the effect.
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Affiliation(s)
- Xianglei Fu
- School of Pharmaceutical Science, Shandong University, Jinan 250012,People's Republic of China
| | - Yanbin Shi
- School of Mechanical & Automotive Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, People's Republic of China
| | - Hui Wang
- School of Pharmaceutical Science, Shandong University, Jinan 250012,People's Republic of China
| | - Xiaogang Zhao
- The Second Hospital of Shandong University, Jinan 250033, People's Republic of China
| | - Qifeng Sun
- The Second Hospital of Shandong University, Jinan 250033, People's Republic of China
| | - Yi Huang
- School of Pharmaceutical Science, Shandong University, Jinan 250012,People's Republic of China
| | - Tongtong Qi
- School of Pharmaceutical Science, Shandong University, Jinan 250012,People's Republic of China
| | - Guimei Lin
- School of Pharmaceutical Science, Shandong University, Jinan 250012,People's Republic of China
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13
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Kim HS, Kwon HK, Lee DH, Le TN, Park HJ, Kim MI. Poly(γ-Glutamic Acid)/Chitosan Hydrogel Nanoparticles For Effective Preservation And Delivery Of Fermented Herbal Extract For Enlarging Hair Bulb And Enhancing Hair Growth. Int J Nanomedicine 2019; 14:8409-8419. [PMID: 31695374 PMCID: PMC6816081 DOI: 10.2147/ijn.s227514] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 10/09/2019] [Indexed: 12/14/2022] Open
Abstract
Introduction Hair growth-promoting herbal extract mixtures (4HGF) exhibits significant anti-inflammatory activities relevant to promoting hair growth; however, its efficacy in patients with hair loss has been limited majorly due to its low penetration ability into hair follicles. Herein, we prepared hydrogels via dropwise addition of poly(γ-glutamic acid) (PGA) solution containing 4HGF into chitosan (CS) solution, resulting in quick formation of ~400 nm-sized hydrogel particles through electrostatic interaction-derived ionic gelation with over 50% encapsulation efficiency of 4HGF (PGA-4HGF). Methods The size and morphology of PGA-4HGF were characterized by TEM, SEM, and dynamic light scattering analyses. Encapsulation efficiency and loading capacity of 4HGF within PGA-4HGF, as well as in vitro release profiles were determined by simply measuring the characteristic absorbance of 4HGF. Penetrating efficiency of PGA-4HGF was evaluated by tracking the respective fluorescence through model porcine skin with confocal laser microscope system. By treating PGA-4HGF on telogenic mice and dermal papilla cells (DPCs), we evaluated the size of hair bulbs in mice, as well as morphological changes in DPCs. Results Negligible and sustained release of entrapped 4HGF from the hydrogel nanoparticles were observed under acidic and physiological pH conditions, respectively, which is quite advantageous to control their release and prolong their hair growth-promoting effect. The hydrogel nanoparticles were penetrable through the porcine skin after incubation with or without shaking. After treating telogenic mice and DPCs with PGA-4HGF, we detected enlargement of hair bulbs and remarkable shape changes, respectively, thereby showing its potential in induction of hair growth. Conclusion These results suggest that the hydrogel nanoparticle formulation developed in this study can be employed as a potential approach for the preservation of hair growth-promoting compounds, their delivery of into hair follicles, and enhancing hair growth.
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Affiliation(s)
- Hye Su Kim
- Department of BioNano Technology, Gachon University, Seongnam, Gyeonggi 13120, Republic of Korea
| | - Ha-Kyoung Kwon
- Department of Food Science and Biotechnology, Gachon University, Seongnam, Gyeonggi 13120, Republic of Korea
| | - Dong Hoon Lee
- Department of BioNano Technology, Gachon University, Seongnam, Gyeonggi 13120, Republic of Korea
| | - Thao Nguyen Le
- Department of BioNano Technology, Gachon University, Seongnam, Gyeonggi 13120, Republic of Korea
| | - Hye-Jin Park
- Department of Food Science and Biotechnology, Gachon University, Seongnam, Gyeonggi 13120, Republic of Korea
| | - Moon Il Kim
- Department of BioNano Technology, Gachon University, Seongnam, Gyeonggi 13120, Republic of Korea
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14
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Yang Y, Qiu D, Liu Y, Chao L. Topical anesthetic analgesic therapy using the combination of ropivacaine and dexmedetomidine: hyaluronic acid modified long-acting nanostructured lipid carriers containing a skin penetration enhancer. DRUG DESIGN DEVELOPMENT AND THERAPY 2019; 13:3307-3319. [PMID: 31571832 PMCID: PMC6755955 DOI: 10.2147/dddt.s211443] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 08/19/2019] [Indexed: 12/12/2022]
Abstract
Purpose Hyaluronic acid-poly(ethylene glycol)-distearoyl phosphoethanolamine (HA-PEG-DSPE) modified and tocopheryl polyethylene glycol 1000 succinate (TPGS) contained nanostructured lipid carriers (NLCs) were prepared loading ropivacaine and dexmedetomidine to improve the topical anesthetic analgesic anesthesia efficiency. Methods NLCs were prepared by the solvent diffusion method. The average particle size, zeta potential, release behavior, and cytotoxicity of the NLCs were tested. Ex vivo skin permeation was studied using a Franz diffusion cell mounted with depilated rat skin. Local anesthesia antinociceptive efficiency was evaluated by rat tail flick latency study in vivo. Results NLCs have sizes of about 100 nm, with negative zeta potentials. All the NLCs formulations were found to be significantly less cytotoxic than free drugs at equivalent concentrations. The cumulative amount of drugs penetrated through rat skin from NLCs was 2.0–4.7 folds higher than that of the drugs solution. The in vivo anesthesia antinociception study displayed that NLCs showed stronger and longer anesthesia antinociceptive effect when compared with single drugs loaded NLCs and drugs solution even at a lower dosage of drugs. Conclusion The results demonstrated that the HA modified, TPGS contained, dual drugs loaded NLCs could perform a synergistic effect and may reduce the amount of drugs, which can lower the toxicity of the system and at the meanwhile, increase the anesthesia antinociceptive efficiency.
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Affiliation(s)
- Yongjian Yang
- Department of Anesthesiology, Jinan Central Hospital Affiliated to Shandong University, Ji'nan, Shandong Province 250013, People's Republic of China
| | - Dahai Qiu
- Department of Anesthesiology, Jinan Central Hospital Affiliated to Shandong University, Ji'nan, Shandong Province 250013, People's Republic of China
| | - Yajun Liu
- Department of Anesthesiology, Jinan Central Hospital Affiliated to Shandong University, Ji'nan, Shandong Province 250013, People's Republic of China
| | - Lei Chao
- Department of Anesthesiology, Jinan Central Hospital Affiliated to Shandong University, Ji'nan, Shandong Province 250013, People's Republic of China
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15
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Kasting GB, Miller MA, LaCount TD, Jaworska J. A Composite Model for the Transport of Hydrophilic and Lipophilic Compounds Across the Skin: Steady-State Behavior. J Pharm Sci 2019; 108:337-349. [DOI: 10.1016/j.xphs.2018.09.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 08/17/2018] [Accepted: 09/06/2018] [Indexed: 02/06/2023]
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16
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Baswan SM, Leverett J, Pawelek J. Clinical evaluation of the lightening effect of cytidine on hyperpigmented skin. J Cosmet Dermatol 2018; 18:278-285. [DOI: 10.1111/jocd.12784] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 07/25/2018] [Indexed: 12/30/2022]
Affiliation(s)
- Sudhir M. Baswan
- Global Discovery R&D Amway Corporation 7575 Fulton St E Ada 49355 Michigan USA
| | - Jesse Leverett
- Global Discovery R&D Amway Corporation 7575 Fulton St E Ada 49355 Michigan USA
| | - John Pawelek
- Department of Dermatology Yale School of Medicine New Haven 06520 Connecticut USA
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17
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Yu F, Kasting GB. A geometrical model for diffusion of hydrophilic compounds in human stratum corneum. Math Biosci 2018. [DOI: 10.1016/j.mbs.2018.03.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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18
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Monti D, Egiziano E, Burgalassi S, Tampucci S, Terreni E, Tivegna S, Chetoni P. Influence of a Combination of Chemical Enhancers and Iontophoresis on In Vitro Transungual Permeation of Nystatin. AAPS PharmSciTech 2018; 19:1574-1581. [PMID: 29484614 DOI: 10.1208/s12249-018-0977-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 02/11/2018] [Indexed: 12/28/2022] Open
Abstract
To promote transungual permeation of nystatin (NYST), molecule with high molecular weight, no water-soluble, amphoteric by iontophoresis. The synergic effect of the combination of cetylpyridinium chloride, CPC, or polyoxyethylene (20) sorbitan monooleate, TW80, and iontophoresis was investigated. In vitro permeation experiments were carried out through bovine hoof slices using vertical diffusion cells. A low current density (0.2 mA/cm2) was applied by introducing Ag/AgCl electrodes in the donor (anode) and receptor (cathode) chambers. The donor phase consisted of a solution, a suspension, or gel-type vehicles containing NYST and surfactants in pH 5.6 HEPES buffer. The addition of CPC to NYST suspension (SOSP) produced a fivefold increase on the permeability of the bovine hoof membrane to the drug. The application of anodal iontophoresis further improved NYST flux. Conversely, NYST transungual permeation was not influenced by TW80 either in the passive diffusion or iontophoretic flux. Furthermore, the iontophoretic treatment does not appear to induce irreversible alterations to the hoof bovine membranes. The present work demonstrated the efficacy of iontophoresis as a treatment for different nail pathologies with large molecules very slightly soluble in water without irreversibly affecting the nail structure. A synergistic effect between CPC and iontophoresis was observed.
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19
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Miller MA, Yu F, Kim KI, Kasting GB. Uptake and desorption of hydrophilic compounds from human stratum corneum. J Control Release 2017. [DOI: 10.1016/j.jconrel.2017.06.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Ventura SA, Heikenfeld J, Brooks T, Esfandiari L, Boyce S, Park Y, Kasting GB. Cortisol extraction through human skin by reverse iontophoresis. Bioelectrochemistry 2017; 114:54-60. [DOI: 10.1016/j.bioelechem.2016.12.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 12/21/2016] [Accepted: 12/24/2016] [Indexed: 10/20/2022]
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21
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Baswan S, Kasting GB, Li SK, Wickett R, Adams B, Eurich S, Schamper R. Understanding the formidable nail barrier: A review of the nail microstructure, composition and diseases. Mycoses 2017; 60:284-295. [PMID: 28098391 DOI: 10.1111/myc.12592] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Accepted: 11/25/2016] [Indexed: 01/27/2023]
Abstract
The topical treatment of nail fungal infections has been a focal point of nail research in the past few decades as it offers a much safer and focused alternative to conventional oral therapy. Although the current focus remains on exploring the ways of enhancing permeation through the formidable nail barrier, the understanding of the nail microstructure and composition is far from complete. This article reviews our current understanding of the nail microstructure, composition and diseases. A few of the parameters affecting the nail permeability and potential causes of the recurrence of fungal nail infection are also discussed.
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Affiliation(s)
- Sudhir Baswan
- James L. Winkle College of Pharmacy, The University of Cincinnati Academic Health Center, Cincinnati, OH, USA.,Amway Corporation, Ada, MI, USA
| | - Gerald B Kasting
- James L. Winkle College of Pharmacy, The University of Cincinnati Academic Health Center, Cincinnati, OH, USA
| | - S Kevin Li
- James L. Winkle College of Pharmacy, The University of Cincinnati Academic Health Center, Cincinnati, OH, USA
| | - Randy Wickett
- James L. Winkle College of Pharmacy, The University of Cincinnati Academic Health Center, Cincinnati, OH, USA
| | - Brian Adams
- Department of Dermatology, College of Medicine, The University of Cincinnati Academic Health Center, Cincinnati, OH, USA
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22
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Ventura SA, Kasting GB. Dynamics of glycerine and water transport across human skin from binary mixtures. Int J Cosmet Sci 2016; 39:165-178. [DOI: 10.1111/ics.12362] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Accepted: 08/26/2016] [Indexed: 11/28/2022]
Affiliation(s)
- S. A. Ventura
- James L. Winkle College of Pharmacy; University of Cincinnati; Cincinnati OH 45267-0004 USA
| | - G. B. Kasting
- James L. Winkle College of Pharmacy; University of Cincinnati; Cincinnati OH 45267-0004 USA
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23
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Kataria P, Sharma G, Thakur K, Bansal V, Dogra S, Katare OP. Emergence of nail lacquers as potential transungual delivery system in the management of onchomycosis. Expert Opin Drug Deliv 2016; 13:937-52. [DOI: 10.1080/17425247.2016.1174691] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
| | - Gajanand Sharma
- Division of Pharmaceutics, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh, India
| | - Kanika Thakur
- Division of Pharmaceutics, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh, India
| | - Vikas Bansal
- Chandigarh College of Pharmacy, Mohali, Punjab, India
| | - Sunil Dogra
- Department of Dermatology Venereology and Leprology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Om Prakash Katare
- Division of Pharmaceutics, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh, India
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