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Narsa AC, Suhandi C, Afidika J, Ghaliya S, Elamin KM, Wathoni N. A Comprehensive Review of the Strategies to Reduce Retinoid-Induced Skin Irritation in Topical Formulation. Dermatol Res Pract 2024; 2024:5551774. [PMID: 39184919 PMCID: PMC11344648 DOI: 10.1155/2024/5551774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 04/21/2024] [Accepted: 07/23/2024] [Indexed: 08/27/2024] Open
Abstract
Currently, retinoids are known for their abundant benefits to skin health, ranging from reducing signs of aging and decreasing hyperpigmentation to treating acne. However, it cannot be denied that there are various side effects associated with the use of retinoids on the skin, one of which is irritation. Several approaches can be employed to minimize the irritation caused by retinoids. This review article discusses topical retinoid formulation technology strategies to reduce skin irritation effects. The methodology used in this study is a literature review of 21 reference journals. The sources used in compiling this review are from PubMed, Scopus, ScienceDirect, and MEDLINE. The findings obtained indicate that the following methods can be used to lessen retinoid-induced irritation in topical formulations: developing drug delivery systems in the formulation, such as encapsulating retinoids, transforming retinoids into nanoparticles, forming complexes (e.g., with cyclodextrin), and binding retinoids with carriers (e.g., polymers, NLC, SLN), adding ingredients with anti-irritation activity, skin barrier improvement, and increased skin hydration to retinoid formulations (e.g., combinations of glucosamine, trehalose, ectoine, sucralfate, omega-9, and 4-t-butylcyclohexanol, addition of ethanolic bark extract of Alstonia scholaris R. Br).
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Affiliation(s)
- Angga Cipta Narsa
- Department of Pharmaceutics and Pharmaceutical TechnologyUniversitas Padjadjaran, Sumedang, Indonesia
- Department of Pharmaceutics and Pharmaceutical TechnologyFaculty of PharmacyMulawarman University, Samarinda, Indonesia
| | - Cecep Suhandi
- Department of Pharmaceutics and Pharmaceutical TechnologyUniversitas Padjadjaran, Sumedang, Indonesia
| | - Janifa Afidika
- Department of Pharmaceutics and Pharmaceutical TechnologyUniversitas Padjadjaran, Sumedang, Indonesia
| | - Salsabil Ghaliya
- Department of Pharmaceutics and Pharmaceutical TechnologyUniversitas Padjadjaran, Sumedang, Indonesia
| | - Khaled M. Elamin
- Graduate School of Pharmaceutical SciencesKumamoto University, Kumamoto 862-0973, Japan
| | - Nasrul Wathoni
- Department of Pharmaceutics and Pharmaceutical TechnologyUniversitas Padjadjaran, Sumedang, Indonesia
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Sakai T, Sodemoto N, Inoue A, Taniguchi S, Maeda I, Hikima T. Suitability of high-molecular-weight tissue-derived elastin polypeptides and their particles as cosmetic biomaterials. J Pept Sci 2022; 29:e3472. [PMID: 36541737 DOI: 10.1002/psc.3472] [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: 04/12/2022] [Revised: 10/17/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022]
Abstract
We aimed to determine the coacervation properties of high-molecular-weight (HMW) tissue-derived elastin (TDE) and to examine the potential use of TDE particles as a cosmetic biomaterial. TDE solutions were filtered and divided into three fractions (1-3) according to the molecular weight of the elastin. The turbidity of fraction 2, which contained a large portion (58%) of HMW elastin polypeptides (>100 kDa), was measured under several pH values (3.0-11.0) and NaCl concentrations (0-1000 mM) to examine its coacervation ability. HMW TDE exhibited coacervation under the physiological conditions (temperature, pH, and NaCl concentration) of the skin surface. We performed inclusion and release experiments using three model chemicals with different molecular weights and measured the size and zeta potential of the fraction 3 particles to investigate the suitability of HMW elastin polypeptides. Fraction 3, which contained a larger portion (64%) of HMW elastin polypeptides, displayed a strong coacervation property at a phase transition temperature of 19.8 ± 0.1°C. The inclusion ratio of the model chemical Biebrich Scarlet (BS) with a molecular weight of <600 was approximately 92.1 ± 0.7%. The release profiles of BS from the particles linearly increased and reached a plateau after 15 days. Moreover, the average size of the particles with BS was 474.2 ± 24.6 nm. The low-molecular-weight (LMW) elastin peptides have moisturizing and whitening functions for the skin. We concluded that TDE, as a mixture of HMW polypeptides and LMW peptides, can potentially serve as a multifunctional and effective cosmetic biomaterial.
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Affiliation(s)
- Toma Sakai
- Department of Biosciences and Bioinformatics, Kyushu Institute of Technology, Fukuoka, Japan
| | - Nanami Sodemoto
- Department of Biosciences and Bioinformatics, Kyushu Institute of Technology, Fukuoka, Japan
| | - Asako Inoue
- Department of Biosciences and Bioinformatics, Kyushu Institute of Technology, Fukuoka, Japan
| | - Suguru Taniguchi
- Department of Physics and Information Technology, Kyushu Institute of Technology, Fukuoka, Japan
| | - Iori Maeda
- Department of Physics and Information Technology, Kyushu Institute of Technology, Fukuoka, Japan
| | - Tomohiro Hikima
- Department of Biosciences and Bioinformatics, Kyushu Institute of Technology, Fukuoka, Japan
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Liu S, Bao X, Zhang S, Zhang H, Lu X, Li T, Chen Z, Chen N. The study of ultrasound and iontophoresis on oxaprozin transdermal penetration using surface-enhanced Raman spectroscopy. Drug Deliv Transl Res 2020; 10:83-92. [PMID: 31407271 DOI: 10.1007/s13346-019-00664-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The potential for physicochemical driving forces facilitating topical transport of the lipid-soluble drug oxaprozin (OXA) was investigated using surface-enhanced Raman spectroscopy (SERS) in this study. Azone, iontophoresis (IP), and sonophoresis (SP) were combined and performed on mouse skin for the OXA transdermal penetration, and the synergistic effect was analyzed using Raman spectroscopy. The data of characteristic peak intensity were processed with overlapping peak resolving and standard normalization. The results showed that Azone promoted the transdermal penetration of OXA (5.9-fold greater than the OXA concentration of normal penetration); SP enhanced OXA transdermal penetration (5.5-fold); IP enhanced OXA transdermal penetration (4.2-fold); the combined application of Azone and SP (Azone+SP) and SP+IP can improve the enhancement coefficient of OXA transdermal penetration (8.4-fold and 6.1-fold, > 5.9, > 5.5, > 4.2), and their combined application has a synergistic effect; Azone+IP does not have a synergistic effect while the enhancement coefficient of Azone+IP (5.3-fold, < 5.9) and Azone+SP+IP (7.2-fold, < 8.4) was slightly reduced. As for the drug OXA, Azone+SP is an effective method of transdermal penetration.
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Affiliation(s)
- Shupeng Liu
- Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Institute of Biomedical Engineering, School of Communication and Information Engineering, Shanghai University, 333 Nanchen Road, Shanghai, 200444, China.
| | - Xiang Bao
- Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Institute of Biomedical Engineering, School of Communication and Information Engineering, Shanghai University, 333 Nanchen Road, Shanghai, 200444, China
| | - Songpo Zhang
- Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Institute of Biomedical Engineering, School of Communication and Information Engineering, Shanghai University, 333 Nanchen Road, Shanghai, 200444, China
| | - Heng Zhang
- Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Institute of Biomedical Engineering, School of Communication and Information Engineering, Shanghai University, 333 Nanchen Road, Shanghai, 200444, China
| | - Xiaofeng Lu
- Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Institute of Biomedical Engineering, School of Communication and Information Engineering, Shanghai University, 333 Nanchen Road, Shanghai, 200444, China
| | - Taihao Li
- College of Medical Instruments, Shanghai University of Medicine & Health Sciences, Shanghai, 201318, China
| | - Zhenyi Chen
- Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Institute of Biomedical Engineering, School of Communication and Information Engineering, Shanghai University, 333 Nanchen Road, Shanghai, 200444, China
| | - Na Chen
- Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, Institute of Biomedical Engineering, School of Communication and Information Engineering, Shanghai University, 333 Nanchen Road, Shanghai, 200444, China.
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Park J, Lee H, Lim GS, Kim N, Kim D, Kim YC. Enhanced Transdermal Drug Delivery by Sonophoresis and Simultaneous Application of Sonophoresis and Iontophoresis. AAPS PharmSciTech 2019; 20:96. [PMID: 30694397 DOI: 10.1208/s12249-019-1309-z] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Accepted: 01/10/2019] [Indexed: 12/24/2022] Open
Abstract
Transdermal drug delivery has advantages of topical drug administration compared to the other conventional administration methods. However, the skin penetration of drugs is limited by the barrier properties of stratum corneum. The combinational strategy has been investigated to improve the skin permeability of the drug. For this study, we devised an improved device that can perform not only the single application of sonophoresis or iontophoresis but also the simultaneous application. The enhancement effect of sonophoresis was evaluated for various cosmeceutical drugs using a Franz diffusion cell. The enhancement ratio of niacinamide and retinol with sonophoresis was increased to 402% and 292%, respectively. The relationship was found between the enhancement effect of sonophoresis and the physicochemical properties of drugs. In particular, the simultaneous treatment of sonophoresis and iontophoresis enhanced skin penetration of glutamic acid to 240% using the fabricated device. The simultaneous application showed significantly higher enhancement ratio than application of sonophoresis or iontophoresis alone. Moreover, the improved device achieved skin penetration enhancement of various cosmeceutical drugs with lower intensity and a short application time. This combined strategy of transdermal physical enhancement methods is advantageous in terms of decline in energy density, thereby reducing the skin irritation. The miniaturized device with sonophoresis and iontophoresis is a promising approach due to enhanced transdermal drug delivery and feasibility of self-administration in cosmetic and therapeutic fields.
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Nguyen HX, Banga AK. Electrically and Ultrasonically Enhanced Transdermal Delivery of Methotrexate. Pharmaceutics 2018; 10:pharmaceutics10030117. [PMID: 30081603 PMCID: PMC6161078 DOI: 10.3390/pharmaceutics10030117] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 07/23/2018] [Accepted: 08/01/2018] [Indexed: 12/29/2022] Open
Abstract
In this study, we used sonophoresis and iontophoresis to enhance the in vitro delivery of methotrexate through human cadaver skin. Iontophoresis was applied for 60 min at a 0.4 mA/sq·cm current density, while low-frequency sonophoresis was applied at a 20 kHz frequency (2 min application, and 6.9 W/sq·cm intensity). The treated skin was characterized by dye binding, transepidermal water loss, skin electrical resistance, and skin temperature measurement. Both sonophoresis and iontophoresis resulted in a significant reduction in skin electrical resistance as well as a marked increase in transepidermal water loss value (p < 0.05). Furthermore, the ultrasonic waves resulted in a significant increase in skin temperature (p < 0.05). In permeation studies, the use of iontophoresis led to a significantly higher drug permeability than the untreated group (n = 4, p < 0.05). The skin became markedly more permeable to methotrexate after the treatment by sonophoresis than by iontophoresis (p < 0.01). A synergistic effect for the combined application of sonophoresis and iontophoresis was also observed. Drug distribution in the skin layers revealed a significantly higher level of methotrexate in the sonicated skin than that in iontophoresis and untreated groups. Iontophoresis and low-frequency sonophoresis were found to enhance the transdermal and intradermal delivery of methotrexate in vitro.
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Affiliation(s)
- Hiep X Nguyen
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA.
| | - Ajay K Banga
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA.
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Tokumoto S, Higo N, Todo H, Sugibayashi K. Effect of Combination of Low-Frequency Sonophoresis or Electroporation with Iontophoresis on the Mannitol Flux or Electroosmosis through Excised Skin. Biol Pharm Bull 2017; 39:1206-10. [PMID: 27374295 DOI: 10.1248/bpb.b15-00696] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In vitro permeation studies of mannitol were conducted across excised hairless mouse skin to determine and compare the enhancing effect of electroporation (EP) or sonophoresis (SP) combined with iontophoresis (IP) on the electroosmotic flow, and to analyze the enhancement mechanism of these combined methods. Mannitol flux was utilized as an index for the electroosmotic flow due to its low molecular weight and no electrorepulsion effect. The combination of SP and IP (SP/IP) resulted in an apparent increase of electroosmotic flow (no effect was sometimes observed by SP/IP), while that of EP and IP (EP/IP) had no synergistic enhancing effect on the electroosmosis. Next, the combined effect of tape-stripping (TS) and IP (TS/IP) was examined in a similar manner to clarify the difference between the SP/IP and EP/IP effects on electroosmosis. When the TS number increased from 0 to 3, the electroosmotic flow increased with the TS number. However, no further increase was observed when the TS number became more than 3, and the flow started to decrease when the TS number became 5. The electric charge of the skin surface was then measured after SP or TS application. When SP was applied, the skin surface charge became much more negative and the electroosmotic flow by SP/IP was markedly increased. Thus, an increase in the electroosmotic flow across the skin during IP application can be obtained not by EP and TS, but by SP. The combined use of SP and IP is a promising means for the enhanced skin delivery of non-electrolyte drugs.
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Ultrasound-enhanced transdermal delivery: recent advances and future challenges. Ther Deliv 2015; 5:843-57. [PMID: 25287389 DOI: 10.4155/tde.14.32] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The skin is a formidable diffusion barrier that restricts passive diffusion to small (<500 Da) lipophilic molecules. Methods used to permeabilize this barrier for the purpose of drug delivery are maturing as an alternative to oral drug delivery and hypodermic injections. Ultrasound can reversibly and non-invasively permeabilize the diffusion barrier posed by the skin. This review discusses the mechanisms of ultrasound-permeability enhancement, and presents technological innovations in equipment miniaturization and recent advances in permeabilization capabilities. Additionally, potentially exciting applications, including protein delivery, vaccination, gene therapy and sensing of blood analytes, are discussed. Finally, the future challenges and opportunities associated with the use of ultrasound are discussed. It is stressed that developing ultrasound for suitable applications is key to ensure commercial success.
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Azagury A, Khoury L, Enden G, Kost J. Ultrasound mediated transdermal drug delivery. Adv Drug Deliv Rev 2014; 72:127-43. [PMID: 24463344 DOI: 10.1016/j.addr.2014.01.007] [Citation(s) in RCA: 133] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Revised: 12/24/2013] [Accepted: 01/14/2014] [Indexed: 01/06/2023]
Abstract
Transdermal drug delivery offers an attractive alternative to the conventional drug delivery methods of oral administration and injections. However, the stratum corneum serves as a barrier that limits the penetration of substances to the skin. Application of ultrasound (US) irradiation to the skin increases its permeability (sonophoresis) and enables the delivery of various substances into and through the skin. This review presents the main findings in the field of sonophoresis in transdermal drug delivery as well as transdermal monitoring and the mathematical models associated with this field. Particular attention is paid to the proposed enhancement mechanisms and future trends in the fields of cutaneous vaccination and gene therapy.
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Affiliation(s)
- Aharon Azagury
- Department of Chemical Engineering, Ben-Gurion University, Beer-Sheva 84105, Israel
| | - Luai Khoury
- Department of Biomedical Engineering, Ben-Gurion University, Beer-Sheva 84105, Israel
| | - Giora Enden
- Department of Biomedical Engineering, Ben-Gurion University, Beer-Sheva 84105, Israel
| | - Joseph Kost
- Department of Chemical Engineering, Ben-Gurion University, Beer-Sheva 84105, Israel.
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Schoellhammer CM, Blankschtein D, Langer R. Skin permeabilization for transdermal drug delivery: recent advances and future prospects. Expert Opin Drug Deliv 2014; 11:393-407. [PMID: 24392787 PMCID: PMC3980659 DOI: 10.1517/17425247.2014.875528] [Citation(s) in RCA: 192] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Transdermal delivery has potential advantages over other routes of administration. It could reduce first-pass metabolism associated with oral delivery and is less painful than injections. However, the outermost layer of the skin, the stratum corneum (SC), limits passive diffusion to small lipophilic molecules. Therefore, methods are needed to safely permeabilize the SC so that ionic and larger molecules may be delivered transdermally. AREAS COVERED This review focuses on low-frequency sonophoresis, microneedles, electroporation and iontophoresis, and combinations of these methods to permeabilize the SC. The mechanisms of enhancements and developments in the last 5 years are discussed. Potentially high-impact applications, including protein delivery, vaccination and sensing are presented. Finally, commercial interest and clinical trials are discussed. EXPERT OPINION Not all permeabilization methods are appropriate for all applications. Focused studies into applications utilizing the advantages of each method are needed. The total dose and kinetics of delivery must be considered. Vaccination is one application where permeabilization methods could make an impact. Protein delivery and analyte sensing are also areas of potential impact, although the amount of material that can be delivered (or extracted) is of critical importance. Additional work on the miniaturization of these technologies will help to increase commercial interest.
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Affiliation(s)
- Carl M Schoellhammer
- Massachusetts Institute of Technology, Department of Chemical Engineering , Room 76-661, 77 Massachusetts Avenue, Cambridge, MA 02139 , USA +1 617 253 3107 ; +1 617 258 8827 ;
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Polymeric vehicles for topical delivery and related analytical methods. Arch Pharm Res 2014; 37:423-34. [DOI: 10.1007/s12272-014-0342-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2013] [Accepted: 01/22/2014] [Indexed: 10/25/2022]
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Novel methods and devices to enhance transdermal drug delivery: the importance of laser radiation in transdermal drug delivery. Ther Deliv 2012; 3:373-88. [DOI: 10.4155/tde.12.10] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Skin permeation-enhancement technology is a rapidly developing field, which could significantly increase the number of drugs suitable for transdermal delivery. In this review, we highlight recent advances in both ‘passive’ and ‘active’ transdermal drug-delivery technologies, as well as in the laser ablation method. This paper concludes with a brief forward-looking perspective discussing what can be expected as laser technology continues to develop in the coming years.
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Hikima T, Kaneda N, Matsuo K, Tojo K. Prediction of Percutaneous Absorption in Human Using Three-Dimensional Human Cultured Epidermis LabCyte EPI-MODEL. Biol Pharm Bull 2012; 35:362-8. [DOI: 10.1248/bpb.35.362] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Tomohiro Hikima
- Department of Bioscience and Bioinformatics, Kyushu Institute of Technology
| | - Noriaki Kaneda
- Department of Bioscience and Bioinformatics, Kyushu Institute of Technology
| | - Kyouhei Matsuo
- Department of Bioscience and Bioinformatics, Kyushu Institute of Technology
| | - Kakuji Tojo
- Department of Bioscience and Bioinformatics, Kyushu Institute of Technology
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Polat BE, Hart D, Langer R, Blankschtein D. Ultrasound-mediated transdermal drug delivery: mechanisms, scope, and emerging trends. J Control Release 2011; 152:330-48. [PMID: 21238514 PMCID: PMC3436072 DOI: 10.1016/j.jconrel.2011.01.006] [Citation(s) in RCA: 248] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2010] [Accepted: 01/07/2011] [Indexed: 10/18/2022]
Abstract
The use of ultrasound for the delivery of drugs to, or through, the skin is commonly known as sonophoresis or phonophoresis. The use of therapeutic and high frequencies of ultrasound (≥0.7MHz) for sonophoresis (HFS) dates back to as early as the 1950s, while low-frequency sonophoresis (LFS, 20-100kHz) has only been investigated significantly during the past two decades. Although HFS and LFS are similar because they both utilize ultrasound to increase the skin penetration of permeants, the mechanisms associated with each physical enhancer are different. Specifically, the location of cavitation and the extent to which each process can increase skin permeability are quite dissimilar. Although the applications of both technologies are different, they each have strengths that could allow them to improve current methods of local, regional, and systemic drug delivery. In this review, we will discuss the mechanisms associated with both HFS and LFS, specifically concentrating on the key mechanistic differences between these two skin treatment methods. Background on the relevant physics associated with ultrasound transmitted through aqueous media will also be discussed, along with implications of these phenomena on sonophoresis. Finally, a thorough review of the literature is included, dating back to the first published reports of sonophoresis, including a discussion of emerging trends in the field.
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Affiliation(s)
- Baris E. Polat
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Douglas Hart
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Robert Langer
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Daniel Blankschtein
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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Ito Y, Hasegawa R, Fukushima K, Sugioka N, Takada K. Self-Dissolving Micropile Array Chip as Percutaneous Delivery System of Protein Drug. Biol Pharm Bull 2010; 33:683-90. [DOI: 10.1248/bpb.33.683] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yukako Ito
- Department of Pharmacokinetics, Kyoto Pharmaceutical University
| | - Ryo Hasegawa
- Department of Pharmacokinetics, Kyoto Pharmaceutical University
| | - Keizo Fukushima
- Department of Pharmacokinetics, Kyoto Pharmaceutical University
| | | | - Kanji Takada
- Department of Pharmacokinetics, Kyoto Pharmaceutical University
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