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Liu Y, Zhu X, Ji S, Huang Z, Zang Y, Ding Y, Zhang J, Ding Z. Transdermal delivery of colchicine using dissolvable microneedle arrays for the treatment of acute gout in a rat model. Drug Deliv 2022; 29:2984-2994. [PMID: 36101018 PMCID: PMC9487926 DOI: 10.1080/10717544.2022.2122632] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Colchicine (Col) is used to prevent and treat acute gout flare; however, its therapeutic use is strictly limited owing to severe gastrointestinal side effects after oral administration. Therefore, we developed a dissolvable Col-loaded microneedle (MN) with hyaluronic acid to deliver Col via the transdermal route. We studied the preparation, mechanical properties, skin insertion, skin irritation, drug content, and transdermal release of the Col-loaded MN. The pharmacokinetics of Col after Col-loaded MN application were compared with those of Col solution gavage over 24 h. Knee joint edema evaluation and the hindfoot mechanical threshold test were conducted to determine the pharmacodynamic profile. The dissolvable Col-loaded MN possessed sufficient mechanical strength to penetrate the skin and release the loaded drug. No skin irritation was observed for 3 days after application. We found that 3.36-fold more Col contained in MNs was delivered through the skin compared with that in gel in vitro, and moderate relative bioavailability in vivo. The Col-loaded MN significantly relieved swollen knee joints and mechanical hypernociception in an acute gout model in rats. The dissolvable Col-loaded MN array reduced inflammation and pain via topical administration when acute gout occurred. Reducing the gastrointestinal side effects of Col-loaded MNs is expected to optimize the therapeutic effects of Col and improve patient compliance.
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Affiliation(s)
- Yang Liu
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Xiaoruo Zhu
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Shiliang Ji
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
- Department of Pharmacy, Suzhou Science & Technology Town Hospital, Gusu School, Nanjing Medical University, Suzhou, China
| | - Zhen Huang
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Yuhui Zang
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Ying Ding
- Department of Anesthesiology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Junfeng Zhang
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
| | - Zhi Ding
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, China
- Engineering Research Center of Protein and Peptide Medicine, Ministry of Education, Nanjing, China
- Changzhou High-Tech Research Institute of Nanjing University, Changzhou, China
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Bashyal S, Lee S. Delivery of biopharmaceuticals using combination of liposome and iontophoresis: a review. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2015. [DOI: 10.1007/s40005-015-0219-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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3
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Haga H, Shibaji T, Umino M. Lidocaine transport through living rat skin using alternating current. Med Biol Eng Comput 2006; 43:622-9. [PMID: 16411635 DOI: 10.1007/bf02351036] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
The purpose of the study was to determine whether lidocaine could be transported through living rat skin using alternating current and to determine whether lidocaine transport depends on voltage. The drug delivery cell was originally constructed for the application of an electric field. Hairless rats were anaesthetised using sevoflurane, and a tracheotomy was performed. The drug delivery cell, with lidocaine solution in the donor cell, was placed on the abdominal skin. Samples were collected from the subcutaneous tissue using a microdialysis probe inserted into the abdominal subcutaneous tissue, and the lidocaine concentrations in the samples were determined using high-performance liquid chromatography. The lidocaine concentration in the rat skin increased in time, and voltage-dependency was approximately linear. The lidocaine concentration after the application of 20 V for 21 min was about ten-fold higher than that observed after 21 min of passive diffusion. Lidocaine was successfully transported through living rat skin in a voltage- and time-dependent manner. This drug delivery cell may contribute to local anaesthesia and pain management of human skin.
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Affiliation(s)
- H Haga
- Section of Anesthesiology & Clinical Physiology, Department of Oral Restitution, Division of Oral Health Science, Graduate School Tokyo Medical & Dental University, Tokyo, Japan.
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Batheja P, Priya B, Thakur R, Rashmi T, Michniak B, Bozena M. Transdermal iontophoresis. Expert Opin Drug Deliv 2006; 3:127-38. [PMID: 16370945 DOI: 10.1517/17425247.3.1.127] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Iontophoresis is a technique used to enhance the transdermal delivery of compounds through the skin via the application of a small electric current. By the process of electromigration and electro-osmosis, iontophoresis increases the permeation of charged and neutral compounds, and offers the option for programmed drug delivery. Interest in this field of research has led to the successful delivery of both low (lidocaine) and high molecular drugs, such as peptides (e.g., luteinising hormone releasing hormone, nafarelin and insulin). Combinations of iontophoresis with chemical enhancers, electroporation and sonophoresis have been tested in order to further increase transdermal drug permeation and decrease possible side effects. In addition, rapid progress in the fields of microelectronics, nanotechnology and miniaturisation of devices is leading the way to more sophisticated iontophoretic devices, allowing improved designs with better control of drug delivery. Recent successful designing of the fentanyl E-TRANS iontophoretic system have provided encouraging results. This review will discuss basic concepts, principles and applications of this delivery technique.
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Affiliation(s)
- Priya Batheja
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers-The State University of New Jersey, 145 Bevier Road, Piscataway, NJ 08854, USA
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5
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Abstract
Transdermal iontophoresis is the administration of ionic therapeutic agents through the skin by the application of a low-level electric current. This article presents an overview of transdermal iontophoretic delivery of drugs, including peptides and oligonucleotides. Recent advances in the area of iontophoretic delivery, including devices, hydrogel formulations, safety, clinical relevance and future prospects, are discussed. Electroporation, another method of electrically assisted drug delivery, is also briefly reviewed. Transdermal iontophoresis appears to be a promising technique for the delivery of a variety of compounds in a controlled and preprogrammed manner. Transdermal iontophoresis would be particularly useful in the delivery of hydrophilic drugs produced by biotechnology (peptides and oligonucleotides). However, because of the complex physicochemical properties of peptides, many factors must be carefully considered for the proper design of an iontophoretic drug delivery system for peptides. Iontophoresis has been successfully used in the delivery of small peptides, such as leuprolide and calcitonin analogues, in humans. However, it appears that transdermal iontophoresis may not be a suitable method for the systemic delivery of larger peptides (>7,000D). The combined use of iontophoresis and electroporation may be more effective in the delivery of peptides, proteins, genes and oligonucleotides. The long-term safety of iontophoresis, patient compliance with the technique and the commercial success of this technology are yet to be demonstrated. Iontophoretic delivery of drugs would be beneficial in the treatment of certain skin disorders such as skin cancer, psoriasis, dermatitis, venous ulcers, keloid and hypertrophic scars. Investigations on reverse iontophoresis may yield interesting results that would be useful in the noninvasive measurement of clinically important molecules in the body.
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Affiliation(s)
- Narayanasamy Kanikkannan
- Division of Pharmaceutics, College of Pharmacy, Florida A & M University, Tallahassee, Florida, USA.
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Hagelstein J, Fathinejad F, Stremmel W, Galle PR. pH-independent uptake of hepatitis B virus in primary human hepatocytes. Virology 1997; 229:292-4. [PMID: 9123873 DOI: 10.1006/viro.1996.8376] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The replication cycle of the hepatitis B virus (HBV) is still incompletely understood. In particular, the early steps of the viral life cycle, such as absorption, penetration, uncoating, and nuclear translocation require further clarification. In this study we performed infection experiments with HBV in primary human hepatocyte cultures. To further elucidate the possible mechanism of virus uptake, infection experiments were performed at different pH levels, after pretreatment of viral particles with acidic buffers and in the presence of lysosomotropic agents (chloroquine and ammonium chloride, respectively). Using a selective PCR technique which discriminates between input virus DNA and the earliest replicative form, we could demonstrate viral replication 36 hr after inoculation. HBV was taken up most efficiently at a pH of 7.4. Infection was still successful after pretreatment of viral particles at low pH and was unaffected by the presence of lysosomotropic agents. In conclusion, this suggests HBV to be a pH-independent virus.
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Affiliation(s)
- J Hagelstein
- Department of Internal Medicine, University of Heidelberg, Germany
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Zhang I, Shung KK, Edwards DA. Hydrogels with enhanced mass transfer for transdermal drug delivery. J Pharm Sci 1996; 85:1312-6. [PMID: 8961145 DOI: 10.1021/js9601142] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The sonophoretic transport rates of monomeric insulin and vasopressin across human skin in vitro in the presence of a 20 kHz ultrasound field are shown to differ substantially depending on whether molecules enter the skin from a saline solution or from a viscous ultrasonic coupling medium (specifically, a methyl cellulose hydrogel or viscous sol). Theoretically, the reduction in sonophoretic transport caused by the hydrogels can be explained by boundary layers that form within the hydrogel owing to the relatively rapid rate of molecular transport across the (ultrasonically) permeated stratum corneum as well as poor diffusive mass transfer between the skin and gel. The results of in vitro experiments performed with an ac current accompanying the ultrasound show that the mass-transfer barrier posed by the hydrogel can be eliminated for both vasopressin and insulin by suppressing the diffusive boundary layers, indicating that relatively high rates of sonophoretic molecular transport across human skin are achievable when hydrogels are used as the ultrasound coupling medium as long as method is used to induce molecular mixing within the gel.
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Affiliation(s)
- I Zhang
- Department of Chemical Engineering, 204 Fenske Lab, PA 16802, USA
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Molema G, Meijer D. Targeting of drugs to various blood cell types using (neo-)glycoproteins, antibodies and other protein carriers. Adv Drug Deliv Rev 1994. [DOI: 10.1016/0169-409x(94)90004-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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9
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Singh S, Singh J. Transdermal drug delivery by passive diffusion and iontophoresis: a review. Med Res Rev 1993; 13:569-621. [PMID: 8412408 DOI: 10.1002/med.2610130504] [Citation(s) in RCA: 77] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- S Singh
- Department of Pharmaceutics, Institute of Technology, Banaras Hindu University, Varanasi, India
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Zakzewski CA, Amory DW, Jasaitis DK, Li JK. Iontophoretically enhanced transdermal delivery of an ACE inhibitor in induced hypertensive rabbits: preliminary report. Cardiovasc Drugs Ther 1992; 6:589-95. [PMID: 1292579 DOI: 10.1007/bf00052560] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Both conventional direct current (DC) and pulsed-mode DC constant-current iontophoresis were used to investigate enhanced transdermal delivery of the angiotensin-converting enzyme (ACE) inhibitor captopril to rabbits with acutely induced hypertension. Passive transdermal captopril administration and pulsed DC constant-current iontophoresis of the vehicle were studied as control experimentation. Mean arterial pressure (MAP) was not significantly (p > 0.05) altered following passive transdermal delivery of captopril (n = 4) or after iontophoretic delivery of the vehicle alone (n = 4). Pressure reduction was evident within 10 minutes of iontophoretic enhancement of transdermal captopril delivery. DC mode constant-current (n = 4) iontophoretic transdermal captopril administration caused MAP to fall by 21% from a mean hypertensive level of 66 +/- 5 mmHg to a mean post-treatment level of 52 +/- 6 mmHg (p < 0.05) within 60 minutes. Pulsed DC mode constant-current (n = 4) iontophoresis of captopril caused mean MAP to fall on average by 27% from 62 +/- 6 to 45 +/- 5 mmHg (p < 0.05), also within 60 minutes. This paper provides the first report on the enhanced efficiency during iontophoretic delivery of an ACE inhibitor. We have concluded that both modes of constant-current iontophoresis of captopril offer a safe and effective means of pressure reduction in rabbits with induced hypertension and that there is no significant difference in efficacy between the two forms of enhanced delivery. These results have potential applications for enhanced transdermal delivery of ACE inhibitors in humans.
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Affiliation(s)
- C A Zakzewski
- Department of Biomedical Engineering, Rutgers, State University of New Jersey, Piscataway
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Abstract
The primary cellular receptor for the human immunodeficiency viruses type 1 (HIV-1) and type 2 (HIV-2) is the CD4 antigen. HIV infection of CD4+ cells is initiated by binding of the virus to the cell surface, via a high affinity interaction between CD4 and the HIV outer envelope glycoprotein, gp120. The development of model systems using soluble recombinant forms of CD4 (sCD4) has allowed kinetic and thermodynamic analyses of CD4 binding to gp120, and study of the post-binding events leading to virus-cell membrane fusion. It has thus been demonstrated that the affinity of sCD4 for gp120 on virions or HIV-infected cells depends on both the primary sequence and the tertiary structure of gp120 in the membrane. With cell-line adapted isolates of HIV-1, sCD4 binding induces conformational changes in gp120, leading to the complete dissociation of gp120 from the transmembrane glycoprotein, gp41, and exposing cryptic epitopes of gp41. Similar observations have been made with cell-anchored CD4; exposure of cryptic gp41 epitopes occurs at the fusion interface between clusters of CD4-expressing and HIV-infected cells. Thus, for HIV-1, CD4 induces exposure of fusogenic components of gp41 which triggers virus-cell membrane coalescence. This is termed receptor-mediated activation of fusion. With primary isolates of HIV-1 and the related lentiviruses, HIV-2 and simian immunodeficiency virus (SIV), the CD4-induced molecular rearrangements in gp120 are more subtle, implying that there is a spectrum of responses to sCD4 binding. The high-affinity binding site on CD4 for gp120 is necessary and probably sufficient for activation of HIV fusion, although other regions of CD4 may indirectly influence viral entry. There are two regions on the envelope glycoproteins which are recognized as playing a role in HIV entry: the N-terminus of gp41 and the gp120 V3 loop. The roles of these domains are discussed.
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Meijer DK, Jansen RW, Molema G. Drug targeting systems for antiviral agents: options and limitations. Antiviral Res 1992; 18:215-58. [PMID: 1416906 DOI: 10.1016/0166-3542(92)90058-d] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- D K Meijer
- Department of Pharmacology and Therapeutics, University Center for Pharmacy, Groningen, The Netherlands
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