1
|
Patel M, Patel A, Desai J, Patel S. Cutaneous Pharmacokinetics of Topically Applied Novel Dermatological Formulations. AAPS PharmSciTech 2024; 25:46. [PMID: 38413430 DOI: 10.1208/s12249-024-02763-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 02/08/2024] [Indexed: 02/29/2024] Open
Abstract
Novel formulations are developed for dermatological applications to address a wide range of patient needs and therapeutic challenges. By pushing the limits of pharmaceutical technology, these formulations strive to provide safer, more effective, and patient-friendly solutions for dermatological concerns, ultimately improving the overall quality of dermatological care. The article explores the different types of novel dermatological formulations, including nanocarriers, transdermal patches, microsponges, and microneedles, and the techniques involved in the cutaneous pharmacokinetics of these innovative formulations. Furthermore, the significance of knowing cutaneous pharmacokinetics and the difficulties faced during pharmacokinetic assessment have been emphasized. The article examines all the methods employed for the pharmacokinetic evaluation of novel dermatological formulations. In addition to a concise overview of earlier techniques, discussions on novel methodologies, including tape stripping, in vitro permeation testing, cutaneous microdialysis, confocal Raman microscopy, and matrix-assisted laser desorption/ionization mass spectrometry have been conducted. Emerging technologies like the use of microfluidic devices for skin absorption studies and computational models for predicting drug pharmacokinetics have also been discussed. This article serves as a valuable resource for researchers, scientists, and pharmaceutical professionals determined to enhance the development and understanding of novel dermatological drug products and the complex dynamics of cutaneous pharmacokinetics.
Collapse
Affiliation(s)
- Meenakshi Patel
- Department of Pharmaceutics, School of Pharmacy, Faculty of Pharmacy, and Research & Development Cell, Parul University, Waghodia, Vadodara, 391760, Gujarat, India.
| | - Ashwini Patel
- Department of Pharmaceutics, Krishna School of Pharmacy & Research, Drs. Kiran and Pallavi Patel Global University, Vadodara, 391243, Gujarat, India
| | - Jagruti Desai
- Department of Pharmaceutics and Pharmaceutical Technology, Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology (CHARUSAT), CHARUSAT Campus, Changa, 388 421, Gujarat, India
| | - Swayamprakash Patel
- Department of Pharmaceutics and Pharmaceutical Technology, Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology (CHARUSAT), CHARUSAT Campus, Changa, 388 421, Gujarat, India
| |
Collapse
|
2
|
Cheng T, Tai Z, Shen M, Li Y, Yu J, Wang J, Zhu Q, Chen Z. Advance and Challenges in the Treatment of Skin Diseases with the Transdermal Drug Delivery System. Pharmaceutics 2023; 15:2165. [PMID: 37631379 PMCID: PMC10458513 DOI: 10.3390/pharmaceutics15082165] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/11/2023] [Accepted: 08/13/2023] [Indexed: 08/27/2023] Open
Abstract
Skin diseases are among the most prevalent non-fatal conditions worldwide. The transdermal drug delivery system (TDDS) has emerged as a promising approach for treating skin diseases, owing to its numerous advantages such as high bioavailability, low systemic toxicity, and improved patient compliance. However, the effectiveness of the TDDS is hindered by several factors, including the barrier properties of the stratum corneum, the nature of the drug and carrier, and delivery conditions. In this paper, we provide an overview of the development of the TDDS from first-generation to fourth-generation systems, highlighting the characteristics of each carrier in terms of mechanism composition, penetration method, mechanism of action, and recent preclinical studies. We further investigated the significant challenges encountered in the development of the TDDS and the crucial significance of clinical trials.
Collapse
Affiliation(s)
- Tingting Cheng
- School of Pharmacy, Bengbu Medical College, 2600 Donghai Road, Bengbu 233030, China; (T.C.); (J.Y.); (J.W.)
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Zongguang Tai
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Min Shen
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Ying Li
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Junxia Yu
- School of Pharmacy, Bengbu Medical College, 2600 Donghai Road, Bengbu 233030, China; (T.C.); (J.Y.); (J.W.)
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Jiandong Wang
- School of Pharmacy, Bengbu Medical College, 2600 Donghai Road, Bengbu 233030, China; (T.C.); (J.Y.); (J.W.)
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Quangang Zhu
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| | - Zhongjian Chen
- School of Pharmacy, Bengbu Medical College, 2600 Donghai Road, Bengbu 233030, China; (T.C.); (J.Y.); (J.W.)
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, 1278 Baode Road, Shanghai 200443, China; (Z.T.); (M.S.); (Y.L.)
| |
Collapse
|
3
|
Dermal Delivery of Lipid Nanoparticles: Effects on Skin and Assessment of Absorption and Safety. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1357:83-114. [DOI: 10.1007/978-3-030-88071-2_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
4
|
Rapalli VK, Mahmood A, Waghule T, Gorantla S, Kumar Dubey S, Alexander A, Singhvi G. Revisiting techniques to evaluate drug permeation through skin. Expert Opin Drug Deliv 2021; 18:1829-1842. [PMID: 34826250 DOI: 10.1080/17425247.2021.2010702] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Investigating the transportation of a drug molecule through various layers of skin and determining the amount of drug retention in skin layers is of prime importance in transdermal and topical drug delivery. The information regarding drug permeation and retention in skin layers aids in optimizing a formulation and provides insight into the therapeutic efficacy of a formulation. AREAS COVERED This perspective covers various methods that have been explored to estimate drug/therapeutics in skin layers using in vitro, ex vivo, and in vivo conditions. In vitro methods such as diffusion techniques, ex vivo methods such as isolated perfused skin models and in vivo techniques including dermato-pharmacokinetics employing tape stripping, and microdialysis are discussed. Application of all techniques at various stages of formulation development where various local and systemic effects need to be considered. EXPERT OPINION The void in the existing methodologies necessitates improvement in the field of dermatologic research. Standardization of protocols, experimental setups, regulatory guidelines, and further research provides information to select an alternative for human skin to perform skin permeation experiments to increase the reliability of data generated through the available techniques. There is a need to utilize multiple techniques for appropriate dermato-pharmacokinetics evaluation and formulation's efficacy.
Collapse
Affiliation(s)
- Vamshi Krishna Rapalli
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Pilani, India
| | - Arisha Mahmood
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Pilani, India
| | - Tejashree Waghule
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Pilani, India
| | - Srividya Gorantla
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Pilani, India
| | - Sunil Kumar Dubey
- Medical Research, R&D Healthcare Division, Emami Ltd, Kolkata, India
| | - Amit Alexander
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, India
| | - Gautam Singhvi
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology and Science, Pilani, India
| |
Collapse
|
5
|
DESI-MS imaging to visualize spatial distribution of xenobiotics and endogenous lipids in the skin. Int J Pharm 2021; 607:120967. [PMID: 34352336 DOI: 10.1016/j.ijpharm.2021.120967] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 07/20/2021] [Accepted: 07/30/2021] [Indexed: 01/18/2023]
Abstract
The cutaneous biodistribution method (CBM) yields a high-resolution quantitative profile of drug deposition as a function of skin depth. However, it provides limited details about drug spatial distribution or penetration pathways. Mass spectrometry imaging (MSI) can complement the detailed quantitative data generated by CBM studies. The objectives of this work were to use desorption electrospray ionization (DESI)-MSI to (i) investigate the spatial cutaneous distributions of a topically applied drug and excipient and relate them to skin structures and (ii) image endogenous skin components and combine these results to gain insight into drug penetration routes. Porcine skin was used to compare two bioequivalent creams of econazole nitrate (ECZ) and a micelle formulation based on D-α-tocopheryl succinate polyethylene glycol 1000 (TPGS). DESI-MSI successfully imaged the cutaneous spatial distribution of ECZ and TPGS in 40 µm-thick horizontal sections and vertical cross-sections of the skin. Interestingly, clinically bioequivalent formulations did not appear to exhibit the same molecular distribution of ECZ in XY-horizontal sections. DESI-MSI also enabled visualization of TPGS (m/z 772.4706), mainly in the upper epidermis (≤80 µm). In conclusion, through co-localization of drugs and excipients with endogenous elements of the skin, DESI-MSI could further our understanding of the cutaneous penetration pathways of xenobiotics.
Collapse
|
6
|
Chaturvedi S, Garg A. An insight of techniques for the assessment of permeation flux across the skin for optimization of topical and transdermal drug delivery systems. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102355] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
|
7
|
Wu L, Zhou K, Zong W, Chen Y, Sheng C. Single dose pharmacokinetics of topical iodiconazole creams in healthy Chinese volunteers. Xenobiotica 2021; 51:427-433. [PMID: 33478324 DOI: 10.1080/00498254.2021.1876962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
1.In this study, the pharmacokinetics of new triazole antifungal iodiconzole creams at target sites after single-dose topical application was investigated.2.30 healthy Chinese volunteers were randomly divided into three groups after being stratified by sex, each group was given a single topical dose of 1%, 2%, 4% iodiconazole cream (0.4 g). Stratum corneum (SC) samples of treated sites were collected by tape-stripping method after the chosen contact times, and were extracted and analysed by a validated LC-MS method.3.After single-dose topical application of 1%, 2%, 4% iodiconazole creams, the Cmax of iodiconazole in SC was 1.2 ± 0.7, 2.2 ± 1.0, 2.4 ± 1.0 mg/g; Tmax was 3.3 ± 1.1, 2.9 ± 1.1, 3.8 ± 0.4 h; t1/2 was 6.6 ± 3.4 h, 7.2 ± 4.1 h, 5.9 ± 2.9 h; AUC0-t was 10.9 ± 3.0, 20.8 ± 10.4, 20.9 ± 7.9 mg·h/g; AUC0-∞ was 11.6 ± 2.9, 23.5 ± 14.4, 22.2 ± 8.9 mg·h/g, respectively. The results showed that Cmax, AUC0-t and AUC0-∞ did not increase proportionately with dose, which could also be due to the drug being saturated in the formulation at ∼2%.4.The results of this study could provide reference for the clinical medication and further study of the formulations.
Collapse
Affiliation(s)
- Lili Wu
- Institute of Dermatology and Hospital for Skin Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Ke Zhou
- Department of dermatology, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China
| | - Wenkai Zong
- Institute of Dermatology and Hospital for Skin Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Yun Chen
- Institute of Dermatology and Hospital for Skin Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Chunquan Sheng
- Department of Medicinal Chemistry, School of Pharmacy, Second Military Medical University, Shanghai, China
| |
Collapse
|
8
|
Rapalli VK, Singhvi G. Dermato-pharmacokinetic: assessment tools for topically applied dosage forms. Expert Opin Drug Deliv 2020; 18:423-426. [PMID: 33232212 DOI: 10.1080/17425247.2021.1856071] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
| | - Gautam Singhvi
- Department of Pharmacy, Birla Institute of Technology and Science (BITS), Pilani, India
| |
Collapse
|
9
|
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]
|
10
|
Shabbir M, Nagra U, Zaman M, Mahmood A, Barkat K. Lipid Vesicles and Nanoparticles for Non-invasive Topical and Transdermal Drug Delivery. Curr Pharm Des 2020; 26:2149-2166. [PMID: 31931691 DOI: 10.2174/1381612826666200114090659] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 12/23/2019] [Indexed: 11/22/2022]
Abstract
The delivery of drugs, via different layers of skin, is challenging because it acts as a natural barrier and exerts hindrance against molecules to permeate into or through it. To overcome such obstacles, different noninvasive methods, like vehicle-drug interaction, modifications of the horny layer and nanoparticles have been suggested. The aim of the present review is to highlight some of the non-invasive methods for topical, diadermal and transdermal delivery of drugs. Special emphasis has been made on the information available in numerous research articles that put efforts in overcoming obstacles associated with barrier functions imposed by various layers of skin. Advances have been made in improving patient compliance that tends to avoid hitches involved in oral administration. Of particular interest is the use of lipid-based vesicles and nanoparticles for dermatological applications. These particulate systems can effectively interact and penetrate into the stratum corneum via lipid exchange and get distributed in epidermis and dermis. They also have the tendency to exert a systemic effect by facilitating the absorption of an active moiety into general circulation.
Collapse
Affiliation(s)
- Maryam Shabbir
- Faculty of Pharmacy, University of Lahore, Lahore, Pakistan
| | - Uzair Nagra
- Faculty of Pharmacy, University of Lahore, Lahore, Pakistan
| | - Muhammad Zaman
- Faculty of Pharmacy, University of Central Punjab, Lahore, Pakistan
| | - Asif Mahmood
- Faculty of Pharmacy, University of Lahore, Lahore, Pakistan
| | - Kashif Barkat
- Faculty of Pharmacy, University of Lahore, Lahore, Pakistan
| |
Collapse
|
11
|
Development and Percutaneous Permeation Study of Escinosomes, Escin-Based Nanovesicles Loaded with Berberine Chloride. Pharmaceutics 2019; 11:pharmaceutics11120682. [PMID: 31847489 PMCID: PMC6955842 DOI: 10.3390/pharmaceutics11120682] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 12/09/2019] [Accepted: 12/13/2019] [Indexed: 11/29/2022] Open
Abstract
Escin is a natural saponin, clinically used for the anti-edematous and anti-inflammatory effects. The aim of the study was to explore the possibility of converting escin into vesicle bilayer-forming component. The hyaluronidase inhibition activity of escin was evaluated after its formulation in escinosomes. Berberine chloride, a natural quaternary isoquinoline alkaloid isolated from several medicinal plants that is traditionally used for various skin conditions was loaded in the vesicles. The developed nanovesicles were characterized in terms of diameter, polydispersity, ζ-potential, deformability, recovery, encapsulation efficiency, stability, and release kinetics. Nanovesicle permeation properties through artificial membranes and rabbit ear skin were investigated using skin-PAMPATM and Franz cells were also evaluated. Escinosomes, made of phosphatidylcholine and escin, were loaded with berberine chloride. These nanovesicles displayed the best characteristics for skin application, particularly optimal polydispersity (0.17) and deformability, high negative ζ-potential value, great encapsulation efficiency (about 67%), high stability, and the best release properties of berberine chloride (about 75% after 24 h). In conclusion, escinosomes seem to be new vesicular carriers, capable to maintain escin properties such as hyaluronidase inhibition activity, and able to load other active molecules such as berberine chloride, in order to enhance or expand the activity of the loaded drug.
Collapse
|
12
|
Sounouvou HT, Lechanteur A, Quetin-Leclercq J, Piel G, Donneau AF, Gbaguidi F, Evrard B. Chromametric assessment of drug skin tolerance: A comparative study between Africans and Caucasians skins. Skin Res Technol 2019; 26:329-337. [PMID: 31785045 DOI: 10.1111/srt.12804] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 11/09/2019] [Indexed: 11/29/2022]
Abstract
BACKGROUND/AIMS During dermatological forms development, one of the simplest non-invasive techniques used to evaluate cutaneous tolerance of formulations is to monitor the color changes using a tristimulus chromameter. Most published tolerance studies involving chromametric measurements are performed on Caucasian subjects. However, in the context of drug formulation for African-type populations, it is not always relevant to transpose tolerance results obtained on Caucasians populations to African-type ones due to histological ethnic differences of the skin. The goal of this work was to assess whether tristimulus chromameter can be used to highlight color variations following the application of dermatological topics on black skin in order to validate skin tolerance studies made on African-type subjects. MATERIALS AND METHODS After application of two commercial creams with opposite side effects (skin irritation and skin blanching) in both Africans and Caucasians populations, color variations were evaluated using a tristimulus chromameter in L* a* b* color system and compared between both populations. L* indicating color brightness, a* represents green and red directions and b* represents blue and yellow directions. RESULTS While skin irritation resulted in a significant increase of a* parameter in both studied populations, the skin blanching resulted in a decrease of a* associated with an increase of L* . CONCLUSION We established that tristimulus chromameter can be used to achieve in vivo skin tolerance study of dermatologic formulations in Africans despite their dark skin even though it appeared less sensitive. This study can speed up the development of dermatological forms dedicated to Africans and/or Caucasians subjects.
Collapse
Affiliation(s)
- Hope T Sounouvou
- Laboratory of Pharmaceutical Technology and Biopharmacy, Center for Interdisciplinary Research on Medicines (CIRM), University of Liège, Liège, Belgium.,Medicinal Organic Chemistry Laboratory (MOCL), School of Pharmacy, Faculté des Sciences de la Santé, Université d'Abomey-Calavi, Campus du Champ de Foire, Cotonou, Bénin
| | - Anna Lechanteur
- Laboratory of Pharmaceutical Technology and Biopharmacy, Center for Interdisciplinary Research on Medicines (CIRM), University of Liège, Liège, Belgium
| | - Joëlle Quetin-Leclercq
- Pharmacognosy Research Group (GNOS), Louvain Drug Research Institute, UCLouvain, Brussels, Belgium
| | - Géraldine Piel
- Laboratory of Pharmaceutical Technology and Biopharmacy, Center for Interdisciplinary Research on Medicines (CIRM), University of Liège, Liège, Belgium
| | | | - Fernand Gbaguidi
- Medicinal Organic Chemistry Laboratory (MOCL), School of Pharmacy, Faculté des Sciences de la Santé, Université d'Abomey-Calavi, Campus du Champ de Foire, Cotonou, Bénin
| | - Brigitte Evrard
- Laboratory of Pharmaceutical Technology and Biopharmacy, Center for Interdisciplinary Research on Medicines (CIRM), University of Liège, Liège, Belgium
| |
Collapse
|
13
|
Quartier J, Capony N, Lapteva M, Kalia YN. Cutaneous Biodistribution: A High-Resolution Methodology to Assess Bioequivalence in Topical Skin Delivery. Pharmaceutics 2019; 11:pharmaceutics11090484. [PMID: 31540410 PMCID: PMC6781275 DOI: 10.3390/pharmaceutics11090484] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 09/13/2019] [Accepted: 09/15/2019] [Indexed: 12/16/2022] Open
Abstract
A draft guideline from the European Medicines Agency (EMA) highlights the need for methods to assess the quality/equivalence of topical drug formulations. The “cutaneous biodistribution method”, which provides insight into a drug’s spatial distribution in the epidermis/dermis, was used to compare cutaneous bioavailability of econazole nitrate (ECZ) from a reference medicinal product (RMP) and two approved bioequivalent generic creams under finite dose conditions. Statistically significant differences between the ECZ biodistributions from the RMP/Generics were determined and used with acceptance criteria based on those from the EMA to evaluate bioequivalence. In porcine skin, ECZ deposition in total skin, epidermis, upper and lower dermis from Generic 1 was within the acceptance interval, contrary to Generic 2, which was marginally below it. For human skin, Generic 1 deposition was marginally above the acceptance interval and not bioequivalent. The results were consistent with those using the EMA’s acceptance intervals using the ratio of the mean ECZ depositions of Generic 1 and the RMP. Differences identified using this data-rich technique may not translate to observable differences in clinical efficacy; however, generics with non-statistically different biodistributions to the RMP should have a comparable clinical effect. The cutaneous biodistribution method could benchmark the development of topical generic products.
Collapse
Affiliation(s)
- Julie Quartier
- School of Pharmaceutical Sciences, University of Geneva, CMU-1 rue Michel Servet, 1211 Geneva 4, Switzerland.
| | - Ninon Capony
- School of Pharmaceutical Sciences, University of Geneva, CMU-1 rue Michel Servet, 1211 Geneva 4, Switzerland.
| | - Maria Lapteva
- School of Pharmaceutical Sciences, University of Geneva, CMU-1 rue Michel Servet, 1211 Geneva 4, Switzerland.
| | - Yogeshvar N Kalia
- School of Pharmaceutical Sciences, University of Geneva, CMU-1 rue Michel Servet, 1211 Geneva 4, Switzerland.
| |
Collapse
|
14
|
Johnson JL. Putting "Research Techniques Made Simple" Articles to Work for You and for the Future of Investigative Dermatology. J Invest Dermatol 2019; 139:1841-1842. [PMID: 31445569 DOI: 10.1016/j.jid.2019.07.687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 07/17/2019] [Indexed: 11/27/2022]
Affiliation(s)
- Jodi L Johnson
- Department of Pathology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA; Department of Dermatology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA.
| |
Collapse
|
15
|
Chen Y, Feng X, Meng S. Site-specific drug delivery in the skin for the localized treatment of skin diseases. Expert Opin Drug Deliv 2019; 16:847-867. [DOI: 10.1080/17425247.2019.1645119] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Yang Chen
- Department of Pharmaceutics, School of Pharmacy, China Medical University, Shenyang, China
| | - Xun Feng
- Department of Sanitary Inspection, School of Public Health, Shenyang Medical College, Shenyang, China
| | - Shengnan Meng
- Department of Pharmaceutics, School of Pharmacy, China Medical University, Shenyang, China
| |
Collapse
|
16
|
Iqbal B, Ali J, Baboota S. Recent advances and development in epidermal and dermal drug deposition enhancement technology. Int J Dermatol 2018; 57:646-660. [DOI: 10.1111/ijd.13902] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Revised: 12/07/2017] [Accepted: 12/14/2017] [Indexed: 01/13/2023]
Affiliation(s)
- Babar Iqbal
- Department of Pharmaceutics; School of Pharmaceutical Education and Research; Jamia Hamdard; New Delhi India
| | - Javed Ali
- Department of Pharmaceutics; School of Pharmaceutical Education and Research; Jamia Hamdard; New Delhi India
| | - Sanjula Baboota
- Department of Pharmaceutics; School of Pharmaceutical Education and Research; Jamia Hamdard; New Delhi India
| |
Collapse
|
17
|
Abstract
OBJECTIVE Topical delivery of drugs is an alternative to oral administration, often with similar efficacy but potentially a more favorable tolerability profile. However, topical formulations need to be able to penetrate the skin and permeate to the target areas in quantities sufficient to exert a therapeutic effect. Many factors can affect this process, including the physicochemical properties of the drug, the formulation used, and the site and mode of application. It is believed that measurement of drug concentrations at the sites of action may be an indicator of their likely efficacy. This review addresses these issues, with reference to topically administered diclofenac in osteoarthritis. METHODS Articles relevant to this review were identified after a systematic search of Medline and Embase, using the key words "diclofenac", "topical administration" and "osteoarthritis" in the search strategy. RESULTS The sparse data available indicate that topical diclofenac can penetrate and permeate to deeper tissues, with a lower plasma to tissue ratio than oral diclofenac. The tissue diclofenac levels after topical delivery are sustained over time (at least several hours). However, there is not enough data to establish how diclofenac levels in the joint compare with IC50 levels (50% of the maximum inhibition of prostaglandin synthesis) established following oral administration. CONCLUSIONS After topical application, diclofenac can penetrate the skin and permeate to deeper tissues, where it reaches a concentration that appears to be sufficient to exert a therapeutic effect. More robust methods are required for in vivo characterization to better estimate the clinical efficacy of topically applied drugs.
Collapse
Affiliation(s)
- Martina Hagen
- a GlaxoSmithKline Consumer Healthcare , Nyon , Switzerland
| | - Mark Baker
- a GlaxoSmithKline Consumer Healthcare , Nyon , Switzerland
| |
Collapse
|
18
|
The isolated perfused human skin flap model: A missing link in skin penetration studies? Eur J Pharm Sci 2016; 96:334-341. [PMID: 27720898 DOI: 10.1016/j.ejps.2016.10.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 09/03/2016] [Accepted: 10/03/2016] [Indexed: 11/22/2022]
Abstract
Development of effective (trans)dermal drug delivery systems requires reliable skin models to evaluate skin drug penetration. The isolated perfused human skin flap remains metabolically active tissue for up to 6h during in vitro perfusion. We introduce the isolated perfused human skin flap as a close-to-in vivo skin penetration model. To validate the model's ability to evaluate skin drug penetration the solutions of a hydrophilic (calcein) and a lipophilic (rhodamine) fluorescence marker were applied. The skin flaps were perfused with modified Krebs-Henseleit buffer (pH7.4). Infrared technology was used to monitor perfusion and to select a well-perfused skin area for administration of the markers. Flap perfusion and physiological parameters were maintained constant during the 6h experiments and the amount of markers in the perfusate was determined. Calcein was detected in the perfusate, whereas rhodamine was not detectable. Confocal images of skin cross-sections shoved that calcein was uniformly distributed through the skin, whereas rhodamine accumulated in the stratum corneum. For comparison, the penetration of both markers was evaluated on ex vivo human skin, pig skin and cellophane membrane. The proposed perfused flap model enabled us to distinguish between the penetrations of the two markers and could be a promising close-to-in vivo tool in skin penetration studies and optimization of formulations destined for skin administration.
Collapse
|