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Rahman NAA, Fuaad AAHA, Azami NAM, Amin MCIM, Azmi F. Next-generation Dengue Vaccines: Leveraging Peptide-Based Immunogens and Advanced Nanoparticles as Delivery Platforms. J Pharm Sci 2024; 113:2044-2054. [PMID: 38761864 DOI: 10.1016/j.xphs.2024.05.010] [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: 02/28/2024] [Revised: 05/13/2024] [Accepted: 05/13/2024] [Indexed: 05/20/2024]
Abstract
Dengue, caused by the dengue virus (DENV), is a prevalent arthropod-borne disease in humans and poses a significant burden on public health. Severe cases of dengue can be life-threatening. Although a licensed dengue vaccine is available, its efficacy varies across different virus serotypes and may exacerbate the disease in some seronegative recipients. Developing a safe and effective vaccine against all DENV serotypes remains challenging and requires continued research. Conventional approaches in dengue vaccine development, using live or attenuated microorganisms or parts of them often contain unnecessary epitopes, risking allergenic or autoimmune reactions. To address these challenges, innovative strategies such as peptide vaccines have been explored. Peptide vaccines offer a safer alternative by inducing specific immune responses with minimal immunogenic fragments. Chemical modification strategies of peptides have revolutionized their design, allowing for the incorporation of multi-epitope presentation, self-adjuvanting features, and self-assembling properties. These modifications enhance the antigenicity of the peptides, leading to improved vaccine efficacy. This review outlines advancements in peptide-based dengue vaccine development, leveraging nanoparticles as antigen-displaying platforms. Additionally, key immunological considerations for enhancing efficacy and safety against DENV infection have been addressed, providing insight into the next-generation of dengue vaccine development leveraging on peptide-nanoparticle technology.
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Affiliation(s)
- Nur Adilah Abdul Rahman
- Centre for Drug Delivery Technology and Vaccine (CENTRIC), Faculty of Pharmacy, Universiti Kebangsaan Malaysia, 50300 Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia
| | - Abdullah Al-Hadi Ahmad Fuaad
- Department of Chemistry, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia
| | - Nor Azila Muhammad Azami
- UKM Medical Molecular Biology Institute, Universiti Kebangsaan Malaysia, 56000 Cheras, Federal Territory of Kuala Lumpur, Malaysia
| | - Mohd Cairul Iqbal Mohd Amin
- Centre for Drug Delivery Technology and Vaccine (CENTRIC), Faculty of Pharmacy, Universiti Kebangsaan Malaysia, 50300 Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia
| | - Fazren Azmi
- Centre for Drug Delivery Technology and Vaccine (CENTRIC), Faculty of Pharmacy, Universiti Kebangsaan Malaysia, 50300 Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia.
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Garg N, Tellier G, Vale N, Kluge J, Portman JL, Markowska A, Tussey L. Phase 1, randomized, rater and participant blinded placebo-controlled study of the safety, reactogenicity, tolerability and immunogenicity of H1N1 influenza vaccine delivered by VX-103 (a MIMIX microneedle patch [MAP] system) in healthy adults. PLoS One 2024; 19:e0303450. [PMID: 38843267 PMCID: PMC11156369 DOI: 10.1371/journal.pone.0303450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 04/19/2024] [Indexed: 06/09/2024] Open
Abstract
BACKGROUND The MIMIX platform is a novel microneedle array patch (MAP) characterized by slowly dissolving microneedle tips that deploy into the dermis following patch application. We describe safety, reactogenicity, tolerability and immunogenicity for MIMIX MAP vaccination against influenza. METHODOLOGY The trial was a Phase 1, exploratory, first-in-human, parallel randomized, rater, participant, study analyst-blinded, placebo-controlled study in Canada. Forty-five healthy participants (18 to 39 years of age, inclusive) were randomized in a 1:1:1 ratio to receive either 15 μg or 7.5 μg of an H1N1 influenza vaccine, or placebo delivered via MIMIX MAP to the volar forearm. A statistician used a computer program to create a randomization scheme with a block size of 3. Post-treatment follow-up was approximately 180 days. Primary safety outcomes included the incidence of study product related serious adverse events and unsolicited events within 180 days, solicited application site and systemic reactogenicity through 7 days after administration and solicited application site erythema and/or pigmentation 14, 28, 56 and 180 days after administration. Immunogenicity outcomes included antibody titers and percentage of seroconversion (SCR) and seroprotection (SPR) rates determined by the hemagglutination inhibition (HAI) assay. Exploratory outcomes included virus microneutralization (MN) titers, durability and breadth of the immune response. The trial was registered with ClinicalTrials.gov, number NCT06125717. FINDINGS Between July 7, 2022 and March 13, 2023 45 participants were randomized to a treatment group. One participant was lost to follow up in the 15 μg group and 1 participant withdrew from the 7.5 μg dose group. Safety analyses included n = 15 per group, immunogenicity analyses included n = 14 for the 15 μg and 7.5 μg treatment groups and n = 15 for the placebo group. No SAEs were reported in any of the treatment groups. All treatment groups reported solicited local events within 7 days after vaccination, with mild (Grade 1) erythema being the most frequent symptom reported. Other local symptoms reported included mostly mild (Grade 1) induration/swelling, itching, pigmentation, skin flaking, and tenderness. Within 7 days after vaccination, 2 participants (4.4%) reported moderate (Grade 2) erythema, 1 participant (2.2%) reported moderate (Grade 2) induration/swelling, and 1 participant (2.2%) reported moderate (Grade 2) itching. There was an overall reduction in erythema and pigmentation reported on Days 15, 29, 57, and 180 among all treatment groups. Systemic symptoms reported within 7 days after vaccination, included mild (Grade 1) fatigue reported among all treatment groups, and mild (Grade 1) headache reported by 1 participant in the 7.5 μg treatment group. No study drug related severe symptoms were reported in the study. Group mean fold rises in HAI titers ranged between 8.7 and 12-fold, SCRs were >76% and SPRs were >92% for both VX-103 dose groups thereby fulfilling serological criteria established by the EMA and FDA for seasonal influenza vaccines. Longitudinal assessments demonstrate persistence of the immune response through at least Day 180. CONCLUSIONS The MIMIX MAP platform is safe, well tolerated and elicits robust antibody responses.
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Affiliation(s)
- Naveen Garg
- Centricity Research-Montreal, Point-Claire, Québec, Canada
| | - Guy Tellier
- Centricity Research-Mirabel, Mirabel, Québec, Canada
| | - Noah Vale
- Centricity Research-Toronto, Toronto, Ontario, Canada
| | - Jon Kluge
- Research and Development, Vaxess Technologies, Cambridge, Massachusetts, United States of America
| | - Jonathan L. Portman
- Research and Development, Vaxess Technologies, Cambridge, Massachusetts, United States of America
| | - Anna Markowska
- Research and Development, Vaxess Technologies, Cambridge, Massachusetts, United States of America
| | - Lynda Tussey
- Development and MAP Production, Vaxess Technologies, Woburn, Massachusetts, United States of America
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Chakraborty C, Bhattacharya M, Lee SS. Current Status of Microneedle Array Technology for Therapeutic Delivery: From Bench to Clinic. Mol Biotechnol 2023:10.1007/s12033-023-00961-2. [PMID: 37987985 DOI: 10.1007/s12033-023-00961-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 10/23/2023] [Indexed: 11/22/2023]
Abstract
In recent years, microneedle (MN) patches have emerged as an alternative technology for transdermal delivery of various drugs, therapeutics proteins, and vaccines. Therefore, there is an urgent need to understand the status of MN-based therapeutics. The article aims to illustrate the current status of microneedle array technology for therapeutic delivery through a comprehensive review. However, the PubMed search was performed to understand the MN's therapeutics delivery status. At the same time, the search shows the number no of publications on MN is increasing (63). The search was performed with the keywords "Coated microneedle," "Hollow microneedle," "Dissolvable microneedle," and "Hydrogel microneedle," which also shows increasing trend. Similarly, the article highlighted the application of different microneedle arrays for treating different diseases. The article also illustrated the current status of different phases of MN-based therapeutics clinical trials. It discusses the delivery of different therapeutic molecules, such as drug molecule delivery, using microneedle array technology. The approach mainly discusses the delivery of different therapeutic molecules. The leading pharmaceutical companies that produce the microneedle array for therapeutic purposes have also been discussed. Finally, we discussed the limitations and future prospects of this technology.
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Affiliation(s)
- Chiranjib Chakraborty
- Department of Biotechnology, School of Life Science and Biotechnology, Adamas University, Kolkata, West Bengal, 700126, India.
| | - Manojit Bhattacharya
- Department of Zoology, Fakir Mohan University, Vyasa Vihar, Balasore, Odisha, 756020, India
| | - Sang-Soo Lee
- Institute for Skeletal Aging & Orthopedic Surgery, Hallym University-Chuncheon Sacred Heart Hospital, Chuncheon-si, Gangwon-do, 24252, Republic of Korea
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Choo JJY, McMillan CLD, Young PR, Muller DA. Microarray patches: scratching the surface of vaccine delivery. Expert Rev Vaccines 2023; 22:937-955. [PMID: 37846657 DOI: 10.1080/14760584.2023.2270598] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 10/10/2023] [Indexed: 10/18/2023]
Abstract
INTRODUCTION Microneedles are emerging as a promising technology for vaccine delivery, with numerous advantages over traditional needle and syringe methods. Preclinical studies have demonstrated the effectiveness of MAPs in inducing robust immune responses over traditional needle and syringe methods, with extensive studies using vaccines targeted against different pathogens in various animal models. Critically, the clinical trials have demonstrated safety, immunogenicity, and patient acceptance for MAP-based vaccines against influenza, measles, rubella, and SARS-CoV-2. AREAS COVERED This review provides a comprehensive overview of the different types of microarray patches (MAPs) and analyses of their applications in preclinical and clinical vaccine delivery settings. This review also covers additional considerations for microneedle-based vaccination, including adjuvants that are compatible with MAPs, patient safety and factors for global vaccination campaigns. EXPERT OPINION MAP vaccine delivery can potentially be a game-changer for vaccine distribution and coverage in both high-income and low- and middle-income countries. For MAPs to reach this full potential, many critical hurdles must be overcome, such as large-scale production, regulatory compliance, and adoption by global health authorities. However, given the considerable strides made in recent years by MAP developers, it may be possible to see the first MAP-based vaccines in use within the next 5 years.
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Affiliation(s)
- Jovin J Y Choo
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
| | - Christopher L D McMillan
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
- Australian Infectious Diseases Research Centre, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
| | - Paul R Young
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
- Australian Infectious Diseases Research Centre, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
| | - David A Muller
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
- Australian Infectious Diseases Research Centre, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
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McMillan CLD, Amarilla AA, Modhiran N, Choo JJY, Azuar A, Honeyman KE, Khromykh AA, Young PR, Watterson D, Muller DA. Skin-patch delivered subunit vaccine induces broadly neutralising antibodies against SARS-CoV-2 variants of concern. Vaccine 2022; 40:4929-4932. [PMID: 35871873 PMCID: PMC9291373 DOI: 10.1016/j.vaccine.2022.07.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/10/2022] [Accepted: 07/12/2022] [Indexed: 11/28/2022]
Abstract
The ongoing SARS-CoV-2 pandemic continues to pose an enormous health challenge globally. The ongoing emergence of variants of concern has resulted in decreased vaccine efficacy necessitating booster immunizations. This was particularly highlighted by the recent emergence of the Omicron variant, which contains over 30 mutations in the spike protein and quickly became the dominant viral strain in global circulation. We previously demonstrated that delivery of a SARS-CoV-2 subunit vaccine via a high-density microarray patch (HD-MAP) induced potent immunity resulting in robust protection from SARS-CoV-2 challenge in mice. Here we show that serum from HD-MAP immunized animals maintained potent neutralisation against all variants tested, including Delta and Omicron. These findings highlight the advantages of HD-MAP vaccine delivery in inducing high levels of neutralising antibodies and demonstrates its potential at providing protection from emerging viral variants.
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Affiliation(s)
- Christopher L D McMillan
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Alberto A Amarilla
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Naphak Modhiran
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Jovin J Y Choo
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Armira Azuar
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Kate E Honeyman
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Alexander A Khromykh
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, Queensland, Australia
| | - Paul R Young
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, Queensland, Australia; Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, Queensland, Australia
| | - Daniel Watterson
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, Queensland, Australia; Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, Queensland, Australia
| | - David A Muller
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, Queensland, Australia; Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, Queensland, Australia.
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Coffey JW, van der Burg NMD, Rananakomol T, Ng HI, Fernando GJP, Kendall MAF. An Ultrahigh‐Density Microneedle Array for Skin Vaccination: Inducing Epidermal Cell Death by Increasing Microneedle Density Enhances Total IgG and IgG1 Immune Responses. ADVANCED NANOBIOMED RESEARCH 2022. [DOI: 10.1002/anbr.202100151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Jacob W. Coffey
- The Delivery of Drugs and Genes Group (D2G) Australian Institute for Bioengineering and Nanotechnology University of Queensland St. Lucia QLD 4072 Australia
- Department of Chemical Engineering David H. Koch Institute for Integrative Cancer Research Massachusetts Institute of Technology Cambridge MA 02139 USA
- Division of Gastroenterology Brigham and Women's Hospital Harvard Medical School Boston MA 02115 USA
- Department of Microbiology and Immunology Peter Doherty Institute for Infection and Immunology University of Melbourne Melbourne VIC 3000 Australia
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology The University of Queensland St Lucia QLD 4072 Australia
| | - Nicole M. D. van der Burg
- The Delivery of Drugs and Genes Group (D2G) Australian Institute for Bioengineering and Nanotechnology University of Queensland St. Lucia QLD 4072 Australia
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology The University of Queensland St Lucia QLD 4072 Australia
| | - Thippayawan Rananakomol
- The Delivery of Drugs and Genes Group (D2G) Australian Institute for Bioengineering and Nanotechnology University of Queensland St. Lucia QLD 4072 Australia
| | - Hwee-Ing Ng
- The Delivery of Drugs and Genes Group (D2G) Australian Institute for Bioengineering and Nanotechnology University of Queensland St. Lucia QLD 4072 Australia
| | - Germain J. P. Fernando
- The Delivery of Drugs and Genes Group (D2G) Australian Institute for Bioengineering and Nanotechnology University of Queensland St. Lucia QLD 4072 Australia
- The University of Queensland School of Chemistry and Molecular Biosciences Brisbane QLD 4072 Australia
- Vaxxas Pty Translational Research Institute Woolloongabba QLD 4102 Australia
| | - Mark A. F. Kendall
- The Delivery of Drugs and Genes Group (D2G) Australian Institute for Bioengineering and Nanotechnology University of Queensland St. Lucia QLD 4072 Australia
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology The University of Queensland St Lucia QLD 4072 Australia
- The University of Queensland School of Chemistry and Molecular Biosciences Brisbane QLD 4072 Australia
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Landers JJ, Janczak KW, Shakya AK, Zarnitsyn V, Patel SR, Baker JR, Gill HS, O'Konek JJ. Targeted allergen-specific immunotherapy within the skin improves allergen delivery to induce desensitization to peanut. Immunotherapy 2022; 14:539-552. [PMID: 35196877 PMCID: PMC9043875 DOI: 10.2217/imt-2021-0206] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 01/26/2022] [Indexed: 11/21/2022] Open
Abstract
Aim: Epicutaneous immunotherapy (EPIT) with peanut has been demonstrated to be safe but efficacy may be limited by allergen uptake through the skin barrier. To enhance allergen uptake into the skin, the authors used peanut-coated microneedles and compared them with EPIT in a peanut allergy mouse model. Methods: Sensitized mice were treated with peanut-coated microneedles or peanut-EPIT and then challenged with peanut to determine protection. Results: Treatment with peanut-coated microneedles was safe and showed enhanced desensitization to peanut compared with peanut-EPIT administered via a similar schedule. Protection was associated with reduced Th2 immune responses and mast cell accumulation in the intestine. Conclusion: Peanut-coated microneedles have the potential to present a safe method of improving allergen delivery for cutaneous immunotherapy.
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Affiliation(s)
- Jeffrey J Landers
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Katarzyna W Janczak
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, MI 48109, USA
| | | | | | | | - James R Baker
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Harvinder Singh Gill
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA
| | - Jessica J O'Konek
- Mary H. Weiser Food Allergy Center, University of Michigan, Ann Arbor, MI 48109, USA
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McMillan CLD, Azuar A, Choo JJY, Modhiran N, Amarilla AA, Isaacs A, Honeyman KE, Cheung STM, Liang B, Wurm MJ, Pino P, Kint J, Fernando GJP, Landsberg MJ, Khromykh AA, Hobson-Peters J, Watterson D, Young PR, Muller DA. Dermal Delivery of a SARS-CoV-2 Subunit Vaccine Induces Immunogenicity against Variants of Concern. Vaccines (Basel) 2022; 10:578. [PMID: 35455326 PMCID: PMC9030474 DOI: 10.3390/vaccines10040578] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 04/05/2022] [Accepted: 04/06/2022] [Indexed: 01/02/2023] Open
Abstract
The ongoing coronavirus disease 2019 (COVID-19) pandemic continues to disrupt essential health services in 90 percent of countries today. The spike (S) protein found on the surface of the causative agent, the SARS-CoV-2 virus, has been the prime target for current vaccine research since antibodies directed against the S protein were found to neutralize the virus. However, as new variants emerge, mutations within the spike protein have given rise to potential immune evasion of the response generated by the current generation of SARS-CoV-2 vaccines. In this study, a modified, HexaPro S protein subunit vaccine, delivered using a needle-free high-density microarray patch (HD-MAP), was investigated for its immunogenicity and virus-neutralizing abilities. Mice given two doses of the vaccine candidate generated potent antibody responses capable of neutralizing the parental SARS-CoV-2 virus as well as the variants of concern, Alpha and Delta. These results demonstrate that this alternative vaccination strategy has the potential to mitigate the effect of emerging viral variants.
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Affiliation(s)
- Christopher L. D. McMillan
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
| | - Armira Azuar
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
| | - Jovin J. Y. Choo
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
| | - Naphak Modhiran
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
| | - Alberto A. Amarilla
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
| | - Ariel Isaacs
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
| | - Kate E. Honeyman
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
| | - Stacey T. M. Cheung
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
| | - Benjamin Liang
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
| | - Maria J. Wurm
- ExcellGene SA, CH1870 Monthey, Switzerland; (M.J.W.); (P.P.); (J.K.)
| | - Paco Pino
- ExcellGene SA, CH1870 Monthey, Switzerland; (M.J.W.); (P.P.); (J.K.)
| | - Joeri Kint
- ExcellGene SA, CH1870 Monthey, Switzerland; (M.J.W.); (P.P.); (J.K.)
| | - Germain J. P. Fernando
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
- Translational Research Institute, Vaxxas Pty Ltd., Brisbane, QLD 4102, Australia
| | - Michael J. Landsberg
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
- Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, QLD 4072 and 4029, Australia
| | - Alexander A. Khromykh
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
- Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, QLD 4072 and 4029, Australia
| | - Jody Hobson-Peters
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
- Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, QLD 4072 and 4029, Australia
| | - Daniel Watterson
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
- Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, QLD 4072 and 4029, Australia
| | - Paul R. Young
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
- Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, QLD 4072 and 4029, Australia
| | - David A. Muller
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD 4072, Australia; (C.L.D.M.); (A.A.); (J.J.Y.C.); (N.M.); (A.A.A.); (A.I.); (K.E.H.); (S.T.M.C.); (B.L.); (G.J.P.F.); (M.J.L.); (A.A.K.); (J.H.-P.); (D.W.); (P.R.Y.)
- Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, QLD 4072 and 4029, Australia
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9
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Sonzogni A, Cabrera G, Lupi G, Gugliotta L, Gonzalez V, Marcipar I, Minari R. Film Forming Nanogels for Needle-free Transdermal Vaccination. Macromol Biosci 2022; 22:e2100515. [PMID: 35388617 DOI: 10.1002/mabi.202100515] [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: 12/19/2021] [Revised: 03/21/2022] [Indexed: 11/06/2022]
Abstract
Transcutaneous immunization (TCI) provides a valuable alternative approach to conventional vaccination because of the high accessibility and the exceptional immunological characteristics of the skin, but its application is limited by the low permeability of the stratum corneum. Although nanogels (NGs) have proven to enhance skin penetration of macromolecules with minimum damage, their use in TCI remains almost unexplored. In this context, this article evaluates the performance of novel film forming NGs (FF-NGs) as TCI. This TCI platform consists of NGs with multilobular morphology that positively combines the properties of crosslinked poly(N-vinylcaprolactam), like thermoresponsiveness and the ability to load and release a cargo, with the film forming capacity of low Tg lobes. FF-NGs and formed films were characterized at different levels. Formed films show to be able to uniformly load an antigenic protein and release it with a profile depending on the temperature and on their FF-NGs content. In-vivo studies have demonstrated that FF-NGs promote the penetration of not only an antigenic protein but also an adjuvant until the immunocompetent area of skin, generating an adjuvant-dependent specific immune response. Finally, this study provides a successful proof of concept that FF-NGs could be a powerful tool for transcutaneous release of complex formulations. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Ana Sonzogni
- Group of Polymers and Polymerization Reactors, INTEC (Universidad Nacional del Litoral-CONICET), Santa Fe, Argentina
| | - Gabriel Cabrera
- Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Giuliana Lupi
- Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Luis Gugliotta
- Group of Polymers and Polymerization Reactors, INTEC (Universidad Nacional del Litoral-CONICET), Santa Fe, Argentina.,Facultad de Ingeniería Química (Universidad Nacional del Litoral), Santa Fe, Argentina
| | - Verónica Gonzalez
- Group of Polymers and Polymerization Reactors, INTEC (Universidad Nacional del Litoral-CONICET), Santa Fe, Argentina.,Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Iván Marcipar
- Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Roque Minari
- Group of Polymers and Polymerization Reactors, INTEC (Universidad Nacional del Litoral-CONICET), Santa Fe, Argentina.,Facultad de Ingeniería Química (Universidad Nacional del Litoral), Santa Fe, Argentina
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10
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Nguyen TT, Nguyen TTD, Tran NMA, Nguyen HT, Vo GV. Microneedles enable the development of skin-targeted vaccines against coronaviruses and influenza viruses. Pharm Dev Technol 2021; 27:83-94. [PMID: 34802372 DOI: 10.1080/10837450.2021.2008967] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Throughout the COVID-19 pandemic, many have seriously worried that the plus burden of seasonal influenza that might create a destructive scenario, resulting in overwhelmed healthcare capacities and onwards loss of life. Many efforts to develop a safe and efficacious vaccine to prevent infection by coronavirus and influenza, highlight the importance of vaccination to combat infectious pathogens. While vaccines are traditionally given as injections into the muscle, microneedle (MN) patches designed to precisely deliver cargos into the cutaneous microenvironment, rich in immune cells, provide a noninvasive and self-applicable vaccination approach, reducing overall costs and improving access to vaccines in places with limited supply. The current review aimed to highlight advances in research on the development of MNs-mediated cutaneous vaccine delivery. Concluding remarks and challenges on MNs-based skin immunization are also provided to contribute to the rational development of safe and effective MN-delivered vaccines against these emerging infectious diseases.
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Affiliation(s)
- Thuy Trang Nguyen
- Faculty of Pharmacy, Ho Chi Minh City University of Technology (HUTECH), Ho Chi Minh City, Vietnam
| | - Thi Thuy Dung Nguyen
- Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
| | - Nguyen-Minh-An Tran
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Huy Truong Nguyen
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Giau Van Vo
- Department of Biomedical Engineering, School of Medicine, Vietnam National University - Ho Chi Minh City (VNU-HCM), Ho Chi Minh City, Vietnam.,Research Center for Genetics and Reproductive Health (CGRH), School of Medicine, Vietnam National University - Ho Chi Minh City (VNU-HCM), Ho Chi Minh City, Vietnam.,Vietnam National University - Ho Chi Minh City (VNU-HCM), Ho Chi Minh City, Vietnam
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11
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Cordeiro AS, Patil-Sen Y, Shivkumar M, Patel R, Khedr A, Elsawy MA. Nanovaccine Delivery Approaches and Advanced Delivery Systems for the Prevention of Viral Infections: From Development to Clinical Application. Pharmaceutics 2021; 13:2091. [PMID: 34959372 PMCID: PMC8707864 DOI: 10.3390/pharmaceutics13122091] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 11/30/2021] [Accepted: 12/01/2021] [Indexed: 02/07/2023] Open
Abstract
Viral infections causing pandemics and chronic diseases are the main culprits implicated in devastating global clinical and socioeconomic impacts, as clearly manifested during the current COVID-19 pandemic. Immunoprophylaxis via mass immunisation with vaccines has been shown to be an efficient strategy to control such viral infections, with the successful and recently accelerated development of different types of vaccines, thanks to the advanced biotechnological techniques involved in the upstream and downstream processing of these products. However, there is still much work to be done for the improvement of efficacy and safety when it comes to the choice of delivery systems, formulations, dosage form and route of administration, which are not only crucial for immunisation effectiveness, but also for vaccine stability, dose frequency, patient convenience and logistics for mass immunisation. In this review, we discuss the main vaccine delivery systems and associated challenges, as well as the recent success in developing nanomaterials-based and advanced delivery systems to tackle these challenges. Manufacturing and regulatory requirements for the development of these systems for successful clinical and marketing authorisation were also considered. Here, we comprehensively review nanovaccines from development to clinical application, which will be relevant to vaccine developers, regulators, and clinicians.
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Affiliation(s)
- Ana Sara Cordeiro
- Leicester Institute for Pharmaceutical Innovation, Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK; (A.S.C.); (M.S.); (A.K.)
| | - Yogita Patil-Sen
- Wrightington, Wigan and Leigh Teaching Hospitals NHS Foundation Trust, National Health Service, Wigan WN6 0SZ, UK;
| | - Maitreyi Shivkumar
- Leicester Institute for Pharmaceutical Innovation, Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK; (A.S.C.); (M.S.); (A.K.)
| | - Ronak Patel
- School of Pharmacy and Biomedical Sciences, University of Central Lancashire, Preston PR1 2HE, UK;
| | - Abdulwahhab Khedr
- Leicester Institute for Pharmaceutical Innovation, Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK; (A.S.C.); (M.S.); (A.K.)
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Mohamed A. Elsawy
- Leicester Institute for Pharmaceutical Innovation, Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK; (A.S.C.); (M.S.); (A.K.)
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12
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Developing a Stabilizing Formulation of a Live Chimeric Dengue Virus Vaccine Dry Coated on a High-Density Microarray Patch. Vaccines (Basel) 2021; 9:vaccines9111301. [PMID: 34835234 PMCID: PMC8625757 DOI: 10.3390/vaccines9111301] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/02/2021] [Accepted: 11/05/2021] [Indexed: 11/17/2022] Open
Abstract
Alternative delivery systems such as the high-density microarray patch (HD-MAP) are being widely explored due to the variety of benefits they offer over traditional vaccine delivery methods. As vaccines are dry coated onto the HD-MAP, there is a need to ensure the stability of the vaccine in a solid state upon dry down. Other challenges faced are the structural stability during storage as a dried vaccine and during reconstitution upon application into the skin. Using a novel live chimeric virus vaccine candidate, BinJ/DENV2-prME, we explored a panel of pharmaceutical excipients to mitigate vaccine loss during the drying and storage process. This screening identified human serum albumin (HSA) as the lead stabilizing excipient. When bDENV2-coated HD-MAPs were stored at 4 °C for a month, we found complete retention of vaccine potency as assessed by the generation of potent virus-neutralizing antibody responses in mice. We also demonstrated that HD-MAP wear time did not influence vaccine deposition into the skin or the corresponding immunological outcomes. The final candidate formulation with HSA maintained ~100% percentage recovery after 6 months of storage at 4 °C.
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13
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McMillan CLD, Choo JJY, Idris A, Supramaniam A, Modhiran N, Amarilla AA, Isaacs A, Cheung STM, Liang B, Bielefeldt-Ohmann H, Azuar A, Acharya D, Kelly G, Fernando GJP, Landsberg MJ, Khromykh AA, Watterson D, Young PR, McMillan NAJ, Muller DA. Complete protection by a single-dose skin patch-delivered SARS-CoV-2 spike vaccine. SCIENCE ADVANCES 2021; 7:eabj8065. [PMID: 34714668 PMCID: PMC8555896 DOI: 10.1126/sciadv.abj8065] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 09/08/2021] [Indexed: 05/05/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has infected more than 160 million people and resulted in more than 3.3 million deaths, and despite the availability of multiple vaccines, the world still faces many challenges with their rollout. Here, we use the high-density microarray patch (HD-MAP) to deliver a SARS-CoV-2 spike subunit vaccine directly to the skin. We show that the vaccine is thermostable on the patches, with patch delivery enhancing both cellular and antibody immune responses. Elicited antibodies potently neutralize clinically relevant isolates including the Alpha and Beta variants. Last, a single dose of HD-MAP–delivered spike provided complete protection from a lethal virus challenge in an ACE2-transgenic mouse model. Collectively, these data show that HD-MAP delivery of a SARS-CoV-2 vaccine was superior to traditional needle-and-syringe vaccination and may be a significant addition to the ongoing COVID-19 (coronavirus disease 2019) pandemic.
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Affiliation(s)
- Christopher L. D. McMillan
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
| | - Jovin J. Y. Choo
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
| | - Adi Idris
- Menzies Health Institute Queensland, School of Pharmacy, Anatomy and Medical Sciences, Griffith University, Gold Coast, Queensland 4222, Australia
| | - Aroon Supramaniam
- Menzies Health Institute Queensland, School of Pharmacy, Anatomy and Medical Sciences, Griffith University, Gold Coast, Queensland 4222, Australia
| | - Naphak Modhiran
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
| | - Alberto A. Amarilla
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
| | - Ariel Isaacs
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
| | - Stacey T. M. Cheung
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
| | - Benjamin Liang
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
| | - Helle Bielefeldt-Ohmann
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
- Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, Queensland 4072 and 4029, Australia
- School of Veterinary Science, University of Queensland Gatton Campus, Gatton, Queensland 4343, Australia
| | - Armira Azuar
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
| | - Dhruba Acharya
- Menzies Health Institute Queensland, School of Pharmacy, Anatomy and Medical Sciences, Griffith University, Gold Coast, Queensland 4222, Australia
| | - Gabrielle Kelly
- Menzies Health Institute Queensland, School of Pharmacy, Anatomy and Medical Sciences, Griffith University, Gold Coast, Queensland 4222, Australia
| | - Germain J. P. Fernando
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
- Vaxxas Pty Ltd, Translational Research Institute, 37 Kent Street, Brisbane, Queensland 4102, Australia
| | - Michael J. Landsberg
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
- Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, Queensland 4072 and 4029, Australia
| | - Alexander A. Khromykh
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
- Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, Queensland 4072 and 4029, Australia
| | - Daniel Watterson
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
- Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, Queensland 4072 and 4029, Australia
| | - Paul R. Young
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
- Australian Infectious Diseases Research Centre, Global Virus Network Centre of Excellence, Brisbane, Queensland 4072 and 4029, Australia
| | - Nigel A. J. McMillan
- Menzies Health Institute Queensland, School of Pharmacy, Anatomy and Medical Sciences, Griffith University, Gold Coast, Queensland 4222, Australia
| | - David A. Muller
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Queensland 4072, Australia
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14
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Microarray patches enable the development of skin-targeted vaccines against COVID-19. Adv Drug Deliv Rev 2021; 171:164-186. [PMID: 33539853 PMCID: PMC8060128 DOI: 10.1016/j.addr.2021.01.022] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 01/10/2021] [Accepted: 01/27/2021] [Indexed: 12/13/2022]
Abstract
The COVID-19 pandemic is a serious threat to global health and the global economy. The ongoing race to develop a safe and efficacious vaccine to prevent infection by SARS-CoV-2, the causative agent for COVID-19, highlights the importance of vaccination to combat infectious pathogens. The highly accessible cutaneous microenvironment is an ideal target for vaccination since the skin harbors a high density of antigen-presenting cells and immune accessory cells with broad innate immune functions. Microarray patches (MAPs) are an attractive intracutaneous biocargo delivery system that enables safe, reproducible, and controlled administration of vaccine components (antigens, with or without adjuvants) to defined skin microenvironments. This review describes the structure of the SARS-CoV-2 virus and relevant antigenic targets for vaccination, summarizes key concepts of skin immunobiology in the context of prophylactic immunization, and presents an overview of MAP-mediated cutaneous vaccine delivery. Concluding remarks on MAP-based skin immunization are provided to contribute to the rational development of safe and effective MAP-delivered vaccines against emerging infectious diseases, including COVID-19.
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15
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Vassilieva EV, Li S, Korniychuk H, Taylor DM, Wang S, Prausnitz MR, Compans RW. cGAMP/Saponin Adjuvant Combination Improves Protective Response to Influenza Vaccination by Microneedle Patch in an Aged Mouse Model. Front Immunol 2021; 11:583251. [PMID: 33603732 PMCID: PMC7884748 DOI: 10.3389/fimmu.2020.583251] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 12/10/2020] [Indexed: 12/13/2022] Open
Abstract
Current strategies for improving protective response to influenza vaccines during immunosenescence do not adequately protect individuals over 65 years of age. Here, we used an aged mouse model to investigate the potential of co-delivery of influenza vaccine with the recently identified combination of a saponin adjuvant Quil-A and an activator of the STING pathway, 2’3 cyclic guanosine monophosphate–adenosine monophosphate (cGAMP) via dissolving microneedle patches (MNPs) applied to skin. We demonstrate that synergy between the two adjuvant components is observed after their incorporation with H1N1 vaccine into MNPs as revealed by analysis of the immune responses in adult mice. Aged 21-month-old mice were found to be completely protected against live influenza challenge after vaccination with the MNPs adjuvanted with the Quil-A/cGAMP combination (5 µg each) and demonstrated significantly reduced morbidity compared to the observed responses in these mice vaccinated with unadjuvanted MNPs. Analysis of the lung lysates of the surviving aged mice post challenge revealed the lowest level of residual inflammation in the adjuvanted groups. We conclude that combining influenza vaccine with a STING pathway activator and saponin-based adjuvant in MNPs is a novel option for skin vaccination of the immunosenescent population, which is at high risk for influenza.
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Affiliation(s)
- Elena V Vassilieva
- Department of Microbiology & Immunology and Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, United States
| | - Song Li
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, United States
| | - Heorhiy Korniychuk
- Department of Microbiology & Immunology and Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, United States
| | - Dahnide M Taylor
- Department of Microbiology & Immunology and Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, United States
| | - Shelly Wang
- Department of Microbiology & Immunology and Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, United States
| | - Mark R Prausnitz
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, United States
| | - Richard W Compans
- Department of Microbiology & Immunology and Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, United States
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16
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Korkmaz E, Balmert SC, Carey CD, Erdos G, Falo LD. Emerging skin-targeted drug delivery strategies to engineer immunity: A focus on infectious diseases. Expert Opin Drug Deliv 2021; 18:151-167. [PMID: 32924651 PMCID: PMC9355143 DOI: 10.1080/17425247.2021.1823964] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
INTRODUCTION Infectious pathogens are global disrupters. Progress in biomedical science and technology has expanded the public health arsenal against infectious diseases. Specifically, vaccination has reduced the burden of infectious pathogens. Engineering systemic immunity by harnessing the cutaneous immune network has been particularly attractive since the skin is an easily accessible immune-responsive organ. Recent advances in skin-targeted drug delivery strategies have enabled safe, patient-friendly, and controlled deployment of vaccines to cutaneous microenvironments for inducing long-lived pathogen-specific immunity to mitigate infectious diseases, including COVID-19. AREAS COVERED This review briefly discusses the basics of cutaneous immunomodulation and provides a concise overview of emerging skin-targeted drug delivery systems that enable safe, minimally invasive, and effective intracutaneous administration of vaccines for engineering systemic immune responses to combat infectious diseases. EXPERT OPINION In-situ engineering of the cutaneous microenvironment using emerging skin-targeted vaccine delivery systems offers remarkable potential to develop diverse immunization strategies against pathogens. Mechanistic studies with standard correlates of vaccine efficacy will be important to compare innovative intracutaneous drug delivery strategies to each other and to existing clinical approaches. Cost-benefit analyses will be necessary for developing effective commercialization strategies. Significant involvement of industry and/or government will be imperative for successfully bringing novel skin-targeted vaccine delivery methods to market for their widespread use.
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Affiliation(s)
- Emrullah Korkmaz
- Department of Dermatology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA,Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - Stephen C. Balmert
- Department of Dermatology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Cara Donahue Carey
- Department of Dermatology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Geza Erdos
- Department of Dermatology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Louis D. Falo
- Department of Dermatology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA,Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA,UPMC Hillman Cancer Center, Pittsburgh, PA, USA,Clinical and Translational Science Institute, University of Pittsburgh, Pittsburgh, PA, USA,The McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA
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17
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Muller DA, Henricson J, Baker SB, Togö T, Jayashi Flores CM, Lemaire PA, Forster A, Anderson CD. Innate local response and tissue recovery following application of high density microarray patches to human skin. Sci Rep 2020; 10:18468. [PMID: 33116241 PMCID: PMC7595201 DOI: 10.1038/s41598-020-75169-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 10/09/2020] [Indexed: 12/15/2022] Open
Abstract
The development of microarray patches for vaccine application has the potential to revolutionise vaccine delivery. Microarray patches (MAP) reduce risks of needle stick injury, do not require reconstitution and have the potential to enhance immune responses using a fractional vaccine dose. To date, the majority of research has focused on vaccine delivery with little characterisation of local skin response and recovery. Here we study in detail the immediate local skin response and recovery of the skin post high density MAP application in 12 individuals receiving 3 MAPs randomly assigned to the forearm and upper arm. Responses were characterised by clinical scoring, dermatoscopy, evaporimetry and tissue viability imaging (TiVi). MAP application resulted in punctures in the epidermis, a significant transepidermal water loss (TEWL), the peak TEWL being concomitant with peak erythema responses visualised by TiVi. TEWL and TiVi responses reduced over time, with TEWL returning to baseline by 48 h and erythema fading over the course of a 7 day period. As MAPs for vaccination move into larger clinical studies more variation of individual subject phenotypic or disease propensity will be encountered which will require consideration both in regard to reliability of dose delivery and degree of inherent skin response.
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Affiliation(s)
- David A Muller
- School of Chemistry and Molecular Biosciences, The University of Queensland, Building 76 Cooper road, St. Lucia, QLD, 4072, Australia.
| | - Joakim Henricson
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Department of Emergency Medicine, Local Health Care Services in Central Östergötland, Linköping, Sweden
| | - S Ben Baker
- Vaxxas Pty Ltd, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
| | - Totte Togö
- Allergy Center Linköping, Region Östergötland, Sweden
| | - Cesar M Jayashi Flores
- Vaxxas Pty Ltd, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
| | - Pierre A Lemaire
- Vaxxas Pty Ltd, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
| | - Angus Forster
- Vaxxas Pty Ltd, Translational Research Institute, 37 Kent Street, Woolloongabba, QLD, 4102, Australia
| | - Chris D Anderson
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden. .,Division of Cell Biology, Faculty of Health Sciences, Linköping University, Linköping, Sweden.
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18
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M-protein based vaccine induces immunogenicity and protection from Streptococcus pyogenes when delivered on a high-density microarray patch (HD-MAP). NPJ Vaccines 2020; 5:74. [PMID: 32802413 PMCID: PMC7414110 DOI: 10.1038/s41541-020-00222-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 07/10/2020] [Indexed: 12/17/2022] Open
Abstract
We evaluated vaccination against Streptococcus pyogenes with the candidate vaccine, J8-DT, delivered by a high-density microarray patch (HD-MAP). We showed that vaccination with J8-DT eluted from a coated HD-MAP (J8-DT/HD-MAP), induced similar total IgG responses to that generated by vaccination with J8-DT adjuvanted with Alum (J8-DT/Alum). We evaluated the effect of dose reduction and the number of vaccinations on the antibody response profile of vaccinated mice. A reduction in the number of vaccinations (from three to two) with J8-DT/HD-MAP induced comparable antibody responses to three vaccinations with intramuscular J8-DT/Alum. Vaccine-induced protection against an S. pyogenes skin challenge was assessed. J8-DT/HD-MAP vaccination led to a significant reduction in the number of S. pyogenes colony forming units in skin (92.9%) and blood (100%) compared to intramuscular vaccination with unadjuvanted J8-DT. The protection profile was comparable to that of intramuscular J8-DT/Alum. J8-DT/HD-MAP induced a shift in the antibody isotype profile, with a bias towards Th1-related isotypes, compared to J8-DT/Alum (Th2 bias). Based on the results of this study, the use of J8-DT/HD-MAP should be considered in future clinical development and control programs against S. pyogenes. Furthermore, the innate characteristics of the technology, such as vaccine stability and increased coverage, ease of use, reduction of sharp waste and the potential reduction of dose may be advantageous compared to current vaccination methods.
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19
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Nguyen TT, Oh Y, Kim Y, Shin Y, Baek SK, Park JH. Progress in microneedle array patch (MAP) for vaccine delivery. Hum Vaccin Immunother 2020; 17:316-327. [PMID: 32667239 PMCID: PMC7872046 DOI: 10.1080/21645515.2020.1767997] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
A microneedle array patch (MAP) has been developed as a new delivery system for vaccines. Preclinical and clinical trials with a vaccine MAP showed improved stability, safety, and immunological efficacy compared to conventional vaccine administration. Various vaccines can be delivered with a MAP. Currently, microneedle manufacturers can mass-produce pharmaceutical MAP and cosmetic MAP and this mass-production system can be adapted to produce a vaccine MAP. Clinical trials with a vaccine MAP have shown comparable efficacy with conventional administration, and discussions about regulations for a vaccine MAP are underway. However, there are concerns of reasonable cost, mass production, efficacy, and safety standards that meet FDA approval, as well as the need for feedback regarding the best method of administration. Currently, microneedles have been studied for the delivery of many kinds of vaccines, and preclinical and clinical studies of vaccine microneedles are in progress. For the foreseeable future, some vaccines will continue to be administered with syringes and needles while the use of a vaccine MAP continues to be improved because of the advantages of less pain, self-administration, improved stability, convenience, and safety.
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Affiliation(s)
- Thuy Trang Nguyen
- Faculty of Pharmacy, Ho Chi Minh City University of Technology-HUTECH , Ho Chi Minh, Vietnam
| | - Yujeong Oh
- Department of BioNano Technology, Gachon BioNano Research Institute, Gachon University , Seongnam, Republic of Korea
| | - Yunseo Kim
- Department of BioNano Technology, Gachon BioNano Research Institute, Gachon University , Seongnam, Republic of Korea
| | - Yura Shin
- Department of BioNano Technology, Gachon BioNano Research Institute, Gachon University , Seongnam, Republic of Korea
| | - Seung-Ki Baek
- QuadMedicine R&D Centre, QuadMedicine Inc , Seongnam, Republic of Korea
| | - Jung-Hwan Park
- Department of BioNano Technology, Gachon BioNano Research Institute, Gachon University , Seongnam, Republic of Korea
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20
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Shakya AK, Lee CH, Gill HS. Microneedle-Mediated Allergen-Specific Immunotherapy for the Treatment of Airway Allergy in Mice. Mol Pharm 2020; 17:3033-3042. [DOI: 10.1021/acs.molpharmaceut.0c00447] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Akhilesh Kumar Shakya
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Chang Hyun Lee
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Harvinder Singh Gill
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409, United States
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21
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Jamaledin R, Di Natale C, Onesto V, Taraghdari ZB, Zare EN, Makvandi P, Vecchione R, Netti PA. Progress in Microneedle-Mediated Protein Delivery. J Clin Med 2020; 9:E542. [PMID: 32079212 PMCID: PMC7073601 DOI: 10.3390/jcm9020542] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 02/12/2020] [Accepted: 02/13/2020] [Indexed: 02/06/2023] Open
Abstract
The growing demand for patient-compliance therapies in recent years has led to the development of transdermal drug delivery, which possesses several advantages compared with conventional methods. Delivering protein through the skin by transdermal patches is extremely difficult due to the presence of the stratum corneum which restricts the application to lipophilic drugs with relatively low molecular weight. To overcome these limitations, microneedle (MN) patches, consisting of micro/miniature-sized needles, are a promising tool to perforate the stratum corneum and to release drugs and proteins into the dermis following a non-invasive route. This review investigates the fabrication methods, protein delivery, and translational considerations for the industrial scaling-up of polymeric MNs for dermal protein delivery.
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Affiliation(s)
- Rezvan Jamaledin
- Center for Advanced Biomaterials for Health Care, Istituto Italiano di Tecnologia (IIT@CRIB), 80125 Naples, Italy; (R.J.); (V.O.)
- Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, 80125 Naples, Italy;
| | - Concetta Di Natale
- Center for Advanced Biomaterials for Health Care, Istituto Italiano di Tecnologia (IIT@CRIB), 80125 Naples, Italy; (R.J.); (V.O.)
| | - Valentina Onesto
- Center for Advanced Biomaterials for Health Care, Istituto Italiano di Tecnologia (IIT@CRIB), 80125 Naples, Italy; (R.J.); (V.O.)
| | - Zahra Baghban Taraghdari
- Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, 80125 Naples, Italy;
| | | | - Pooyan Makvandi
- Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, 80125 Naples, Italy;
- Institute for polymers, Composites and biomaterials (IPCB), National research council (CNR), 80125 Naples, Italy
- Chemistry Department, Faculty of Science, Shahid Chamran University of Ahvaz, P.O. Box: 61537-53843, Ahvaz, Iran
| | - Raffaele Vecchione
- Center for Advanced Biomaterials for Health Care, Istituto Italiano di Tecnologia (IIT@CRIB), 80125 Naples, Italy; (R.J.); (V.O.)
| | - Paolo Antonio Netti
- Center for Advanced Biomaterials for Health Care, Istituto Italiano di Tecnologia (IIT@CRIB), 80125 Naples, Italy; (R.J.); (V.O.)
- Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, 80125 Naples, Italy;
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22
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Uppu DSSM, Turvey ME, Sharif ARM, Bidet K, He Y, Ho V, Tambe AD, Lescar J, Tan EY, Fink K, Chen J, Hammond PT. Temporal release of a three-component protein subunit vaccine from polymer multilayers. J Control Release 2019; 317:130-141. [PMID: 31756392 DOI: 10.1016/j.jconrel.2019.11.022] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 10/14/2019] [Accepted: 11/18/2019] [Indexed: 12/11/2022]
Abstract
Sustained antigen and adjuvant availability have been shown to improve antiviral immune responses following vaccination. Transcutaneous delivery of vaccines using microneedles has also shown promise and may be particularly relevant for mosquito-borne viruses. We aim to combine these traits to create a three-component Protein Subunit vaccine on Microneedle Arrays (PSMNs) for transcutaneous delivery using layer-by-layer (LbL) assembly. Polymer multilayer thin films were generated to co-deliver a model combination of three chemically distinct vaccine components, a dengue virus Envelope protein Domain III (EDIII) subunit antigen and two adjuvants, a double-stranded RNA (Poly (inosinic:cytidylic acid) (PolyI:C)) and an amphiphilic hexapeptide, Pam3CSK4. Following application of PSMNs to the skin, implanted thin films facilitated sustained and temporal release of individual vaccine components from polymer multilayers. By modulating LbL composition and architecture, component release profiles in the skin could be independently tuned to allow release of adjuvants and antigen from days up to two weeks. Uptake of antigen and adjuvant from implanted vaccine films by antigen-presenting cells was demonstrated using in vivo mouse and ex vivo human skin models. Overall, we believe that such modular vaccine strategies offer design principles for enhancing the immunogenicity of protein subunit vaccines.
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Affiliation(s)
- Divakara S S M Uppu
- Interdisciplinary Research Group in Infectious Diseases, Singapore-MIT Alliance for Research and Technology, Singapore
| | - Michelle E Turvey
- Interdisciplinary Research Group in Infectious Diseases, Singapore-MIT Alliance for Research and Technology, Singapore
| | - Abdul Rahim Mohammed Sharif
- Interdisciplinary Research Group in Infectious Diseases, Singapore-MIT Alliance for Research and Technology, Singapore
| | - Katell Bidet
- Interdisciplinary Research Group in Infectious Diseases, Singapore-MIT Alliance for Research and Technology, Singapore
| | - Yanpu He
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA; Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Victor Ho
- Singapore Immunology Network, Agency for Science Technology and Research, Singapore
| | - Anagha D Tambe
- Interdisciplinary Research Group in Infectious Diseases, Singapore-MIT Alliance for Research and Technology, Singapore
| | - Julien Lescar
- School of Biological Sciences, Nanyang Technology University, Singapore
| | - Ern Yu Tan
- Department of General Surgery, Tan Tock Seng Hospital, Singapore
| | - Katja Fink
- Singapore Immunology Network, Agency for Science Technology and Research, Singapore
| | - Jianzhu Chen
- Interdisciplinary Research Group in Infectious Diseases, Singapore-MIT Alliance for Research and Technology, Singapore; Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA; Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Paula T Hammond
- Interdisciplinary Research Group in Infectious Diseases, Singapore-MIT Alliance for Research and Technology, Singapore; Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA; Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.
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23
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Benson HAE, Grice JE, Mohammed Y, Namjoshi S, Roberts MS. Topical and Transdermal Drug Delivery: From Simple Potions to Smart Technologies. Curr Drug Deliv 2019; 16:444-460. [PMID: 30714524 PMCID: PMC6637104 DOI: 10.2174/1567201816666190201143457] [Citation(s) in RCA: 142] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 01/16/2019] [Accepted: 01/25/2019] [Indexed: 01/02/2023]
Abstract
This overview on skin delivery considers the evolution of the principles of percutaneous ab-sorption and skin products from ancient times to today. Over the ages, it has been recognised that products may be applied to the skin for either local or systemic effects. As our understanding of the anatomy and physiology of the skin has improved, this has facilitated the development of technologies to effectively and quantitatively deliver solutes across this barrier to specific target sites in the skin and beyond. We focus on these technologies and their role in skin delivery today and in the future.
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Affiliation(s)
- Heather A E Benson
- School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University of Technology, Perth, Australia
| | - Jeffrey E Grice
- Diamantina Institute, The University of Queensland, Translational Research Institute, QLD, 4102, Australia
| | - Yousuf Mohammed
- Diamantina Institute, The University of Queensland, Translational Research Institute, QLD, 4102, Australia
| | - Sarika Namjoshi
- Diamantina Institute, The University of Queensland, Translational Research Institute, QLD, 4102, Australia
| | - Michael S Roberts
- Diamantina Institute, The University of Queensland, Translational Research Institute, QLD, 4102, Australia.,School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, Australia
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24
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Efficient Delivery of Dengue Virus Subunit Vaccines to the Skin by Microprojection Arrays. Vaccines (Basel) 2019; 7:vaccines7040189. [PMID: 31756967 PMCID: PMC6963636 DOI: 10.3390/vaccines7040189] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/08/2019] [Accepted: 11/14/2019] [Indexed: 11/20/2022] Open
Abstract
Dengue virus is the most important arbovirus impacting global human health, with an estimated 390 million infections annually, and over half the world’s population at risk of infection. While significant efforts have been made to develop effective vaccines to mitigate this threat, the task has proven extremely challenging, with new approaches continually being sought. The majority of protective, neutralizing antibodies induced during infection are targeted by the envelope (E) protein, making it an ideal candidate for a subunit vaccine approach. Using truncated, recombinant, secreted E proteins (sE) of all 4 dengue virus serotypes, we have assessed their immunogenicity and protective efficacy in mice, with or without Quil-A as an adjuvant, and delivered via micropatch array (MPA) to the skin in comparison with more traditional routes of immunization. The micropatch contains an ultra-high density array (21,000/cm2) of 110 μm microprojections. Mice received 3 doses of 1 μg (nanopatch, intradermal, subcutaneous, or intra muscular injection) or 10 μg (intradermal, subcutaneous, or intra muscular injection) of tetravalent sE spaced 4 weeks apart. When adjuvanted with Quil-A, tetravalent sE vaccination delivered via MPA resulted in earlier induction of virus-neutralizing IgG antibodies for all four serotypes when compared with all of the other vaccination routes. Using the infectious dengue virus AG129 mouse infectious dengue model, these neutralizing antibodies protected all mice from lethal dengue virus type 2 D220 challenge, with protected animals showing no signs of disease or circulating virus. If these results can be translated to humans, MPA-delivered sE represents a promising approach to dengue virus vaccination.
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25
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Shakya AK, Ingrole RSJ, Joshi G, Uddin MJ, Anvari S, Davis CM, Gill HS. Microneedles coated with peanut allergen enable desensitization of peanut sensitized mice. J Control Release 2019; 314:38-47. [PMID: 31626861 DOI: 10.1016/j.jconrel.2019.09.022] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 09/17/2019] [Accepted: 09/25/2019] [Indexed: 12/16/2022]
Abstract
The prevalence of peanut allergies has escalated over the last 20 years, yet there are no FDA approved treatments for peanut allergies. In this study we evaluated the potential of microneedles to deliver peanut protein extract (PE) into skin and assessed if the ensuing immune responses could desensitize mice that were sensitized to peanuts. Peanut sensitized mice were either treated through cutaneous immunotherapy using PE-coated microneedles or not treated, and then orally challenged with PE. After oral challenge, the clinical symptoms of peanut-induced anaphylaxis were significantly lower in the microneedle treated mice as compared to untreated mice, and this was accompanied by down-regulation of systemic anaphylaxis mediators such as histamine and mast cell protease-1 (MCPT-1) in the microneedles treated group. Overall, there was an up-regulation of Th1 cytokines (IL-2 and IFN-γ) as compared to Th2 cytokines (IL-4 and IL-5) in splenocyte culture supernatants of the microneedle treated group as compared to untreated group, suggesting that microneedles promoted immune modulation towards the Th1 pathway. Furthermore, mice treated with PE-coated microneedles were observed to retain integrity of their small intestine villi and had reduced eosinophilic infiltration as compared to the untreated but peanut sensitized mice, which further confirmed the desensitization capability of peanut cutaneous immunotherapy using coated microneedles. Thus, our current study represents a novel minimally invasive microneedle based cutaneous immunotherapy, which may provide a novel route of desensitization for the treatment of peanut allergies.
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Affiliation(s)
| | - Rohan S J Ingrole
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX, 79409, USA
| | - Gaurav Joshi
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX, 79409, USA
| | - Md Jasim Uddin
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX, 79409, USA
| | - Sara Anvari
- Section of Immunology, Allergy and Rheumatology, Baylor College of Medicine, Texas Children's Hospital, Houston, TX, 77030, USA
| | - Carla M Davis
- Section of Immunology, Allergy and Rheumatology, Baylor College of Medicine, Texas Children's Hospital, Houston, TX, 77030, USA
| | - Harvinder Singh Gill
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX, 79409, USA.
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26
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Toth I, Skwarczynski M. Drug Delivery Asia. Curr Drug Deliv 2019; 16:586-587. [PMID: 31603052 DOI: 10.2174/156720181607190917091556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Istvan Toth
- Chair in Biological Chemistry, School of Chemistry & Molecular Biosciences, Professor of Pharmacy, School of Pharmacy, University of Queensland Chemistry Blg #68, StLucia, Qld 4072, Australia
| | - Mariusz Skwarczynski
- School of Chemistry and Molecular Biosciences The University of Queensland St Lucia, QLD 4072, Australia
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27
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Microprojection arrays applied to skin generate mechanical stress, induce an inflammatory transcriptome and cell death, and improve vaccine-induced immune responses. NPJ Vaccines 2019; 4:41. [PMID: 31632742 PMCID: PMC6789026 DOI: 10.1038/s41541-019-0134-4] [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: 05/12/2019] [Accepted: 09/11/2019] [Indexed: 11/08/2022] Open
Abstract
Chemical adjuvants are typically used to improve immune responses induced by immunisation with protein antigens. Here we demonstrate an approach to enhance immune responses that does not require chemical adjuvants. We applied microprojection arrays to the skin, producing a range of controlled mechanical energy to invoke localised inflammation, while administering influenza split virus protein antigen. We used validated computational modelling methods to identify links between mechanical stress and energy generated within the skin strata and resultant cell death. We compared induced immune responses to those induced by needle-based intradermal antigen delivery and used a systems biology approach to examine the nature of the induced inflammatory response, and correlated this with markers of cell stress and death. Increasing the microprojection array application energy and the addition of QS-21 adjuvant were each associated with enhanced antibody response to delivered antigen and with induction of gene transcriptions associated with TNF and NF-κB signalling pathways. We concluded that microprojection intradermal antigen delivery inducing controlled local cell death could potentially replace chemical adjuvants to enhance the immune response to protein antigen. Adjuvants play an essential function in vaccine formulations by boosting immune responses to the delivered antigen. Mark A. F. Kendall and colleagues investigate the efficacy of vaccine delivered intradermally via NanopatchTM—a 16 mm2 ultra-high-density array of 100 micron needles. Systems analysis comparisons demonstrate that depending on the force applied, the NanopatchTM triggers skin transcriptomic changes similar to that elicited by the adjuvant QS-21, including evidence of localised cell death and inflammatory gene expression. Flu vaccine delivered by NanopatchTM elicits anti-hemagglutinin titers equivalent to that observed with conventional intradermal syringe delivery of vaccine plus adjuvant. Sterile mechanical stress elicited by the application of microneedles might therefore be a viable replacement to the use of conventional needles.
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28
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Rodgers AM, Cordeiro AS, Donnelly RF. Technology update: dissolvable microneedle patches for vaccine delivery. MEDICAL DEVICES-EVIDENCE AND RESEARCH 2019; 12:379-398. [PMID: 31572025 PMCID: PMC6756839 DOI: 10.2147/mder.s198220] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 08/08/2019] [Indexed: 12/17/2022] Open
Abstract
Despite vaccination representing one of the greatest advances of modern preventative medicine, there remain significant challenges in vaccine distribution, delivery and compliance. Dissolvable microarray patches or dissolving microneedles (DMN) have been proposed as an innovative vaccine delivery platform that could potentially revolutionize vaccine delivery and circumvent many of the challenges faced with current vaccine strategies. DMN, due to their ease of use, lack of elicitation of pain response, self-disabling nature and ease of transport and distribution, offer an attractive delivery option for vaccines. Additionally, as DMN inherently targets the uppermost skin layers, they facilitate improved vaccine efficacy, due to direct targeting of skin antigen-presenting cells. A plethora of publications have demonstrated the efficacy of DMN vaccination for a range of vaccines, with influenza receiving particular attention. However, before the viable adoption of DMN for vaccination purposes in a clinical setting, a number of fundamental questions must be addressed. Accordingly, this review begins by introducing some of the key barriers faced by current vaccination approaches and how DMN can overcome these challenges. We introduce some of the recent advances in the field of DMN technology, highlighting the potential impact DMN could have, particularly in countries of the developing world. We conclude by reflecting on some of the key questions that remain unanswered and which warrant further investigation before DMNs can be utilized in clinical settings.
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Affiliation(s)
- Aoife M Rodgers
- School of Pharmacy, Queen’s University Belfast, Belfast, BT9 7BL, UK
| | - Ana Sara Cordeiro
- School of Pharmacy, Queen’s University Belfast, Belfast, BT9 7BL, UK
| | - Ryan F Donnelly
- School of Pharmacy, Queen’s University Belfast, Belfast, BT9 7BL, UK
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29
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Ingrole RSJ, Gill HS. Microneedle Coating Methods: A Review with a Perspective. J Pharmacol Exp Ther 2019; 370:555-569. [PMID: 31175217 DOI: 10.1124/jpet.119.258707] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 05/31/2019] [Indexed: 02/06/2023] Open
Abstract
A coated microneedle array comprises sharp micrometer-sized needle shafts attached to a base substrate and coated with a drug on their surfaces. Coated microneedles are under investigation for drug delivery into the skin and other tissues, and a broad assortment of active materials, including small molecules, peptides, proteins, deoxyribonucleic acids, and viruses, have been coated onto microneedles. To coat the microneedles, different methods have been developed. Some coating methods achieve selective coating of just the microneedle shafts, whereas other methods coat not only microneedle shafts but also the array base substrate. Selective coating of just the microneedle shafts is more desirable since it provides control over drug dosage, prevents drug waste, and offers high delivery efficiency. Different excipients are added to the coating liquid to modulate its viscosity and surface tension in order to achieve uniform coatings on microneedles. Coated microneedles have been used in a broad range of biomedical applications. To highlight these different applications, a table summarizing the different active materials and the amounts coated on microneedles is provided. We also discuss factors that should be considered when deciding suitability of coated microneedles for new-drug delivery applications. In recent years, many coated microneedles have been investigated in human clinical trials, and there is now a strong effort to bring the first coated microneedle-based product to market.
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Affiliation(s)
- Rohan S J Ingrole
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas
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30
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Turvey ME, Uppu DS, Mohamed Sharif AR, Bidet K, Alonso S, Ooi EE, Hammond PT. Microneedle-based intradermal delivery of stabilized dengue virus. Bioeng Transl Med 2019; 4:e10127. [PMID: 31249877 PMCID: PMC6584444 DOI: 10.1002/btm2.10127] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 01/24/2019] [Accepted: 01/24/2019] [Indexed: 12/26/2022] Open
Abstract
Current live-attenuated dengue vaccines require strict cold chain storage. Methods to preserve dengue virus (DENV) viability, which enable vaccines to be transported and administered at ambient temperatures, will be decisive towards the implementation of affordable global vaccination schemes with broad immunization coverage in resource-limited areas. We have developed a microneedle (MN)-based vaccine platform for the stabilization and intradermal delivery of live DENV from minimally invasive skin patches. Dengue virus-stabilized microneedle arrays (VSMN) were fabricated using saccharide-based formulation of virus and could be stored dry at ambient temperature up to 3 weeks with maintained virus viability. Following intradermal vaccination, VSMN-delivered DENV was shown to elicit strong neutralizing antibody responses and protection from viral challenge, comparable to that of the conventional liquid vaccine administered subcutaneously. This work supports the potential for MN-based dengue vaccine technology and the progression towards cold chain-independence. Dengue virus can be stabilized using saccharide-based formulations and coated on microneedle array vaccine patches for storage in dry state with preserved viability at ambient temperature (VSMN; virus-stabilized microneedle arrays).
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Affiliation(s)
- Michelle E. Turvey
- Infectious Diseases IRGSingapore‐MIT Alliance for Research and TechnologySingapore
| | - Divakara S.S.M. Uppu
- Infectious Diseases IRGSingapore‐MIT Alliance for Research and TechnologySingapore
| | | | - Katell Bidet
- Infectious Diseases IRGSingapore‐MIT Alliance for Research and TechnologySingapore
| | - Sylvie Alonso
- Department of Microbiology & Immunology, Yong Loo Lin School of Medicine, Immunology ProgrammeLife Sciences Institute, National University of SingaporeSingapore
| | - Eng Eong Ooi
- Infectious Diseases IRGSingapore‐MIT Alliance for Research and TechnologySingapore
- Emerging Infectious DiseasesDuke‐NUS Graduate Medical SchoolSingapore
| | - Paula T. Hammond
- Infectious Diseases IRGSingapore‐MIT Alliance for Research and TechnologySingapore
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of TechnologyCambridgeMA
- Department of Chemical EngineeringMassachusetts Institute of TechnologyCambridgeMA
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31
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van der Burg NMD, Depelsenaire ACI, Crichton ML, Kuo P, Phipps S, Kendall MAF. A low inflammatory, Langerhans cell-targeted microprojection patch to deliver ovalbumin to the epidermis of mouse skin. J Control Release 2019; 302:190-200. [PMID: 30940498 DOI: 10.1016/j.jconrel.2019.03.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 02/20/2019] [Accepted: 03/29/2019] [Indexed: 12/21/2022]
Abstract
In a low inflammatory skin environment, Langerhans cells (LCs) - but not dermal dendritic cells (dDCs) - contribute to the pivotal process of tolerance induction. Thus LCs are a target for specific-tolerance therapies. LCs reside just below the stratum corneum, within the skin's viable epidermis. One way to precisely deliver immunotherapies to LCs while remaining minimally invasive is with a skin delivery device such as a microprojection arrays (MPA). Today's MPAs currently achieve rapid delivery (e.g. within minutes of application), but are focussed primarily at delivery of therapeutics to the dermis, deeper within the skin. Indeed, no MPA currently delivers specifically to the epidermal LCs of mouse skin. Without any convenient, pre-clinical device available, advancement of LC-targeted therapies has been limited. In this study, we designed and tested a novel MPA that delivers ovalbumin to the mouse epidermis (eMPA) while maintaining a low, local inflammatory response (as defined by low erythema after 24 h). In comparison to available dermal-targeted MPAs (dMPA), only eMPAs with larger projection tip surface areas achieved shallow epidermal penetration at a low application energy. The eMPA characterised here induced significantly less erythema after 24 h (p = 0.0004), less epidermal swelling after 72 h (p < 0.0001) and 52% less epidermal cell death than the dMPA. Despite these differences in skin inflammation, the eMPA and dMPA promoted similar levels of LC migration out of the skin. However, only the eMPA promoted LCs to migrate with a low MHC II expression and in the absence of dDC migration. Implementing this more mouse-appropriate and low-inflammatory eMPA device to deliver potential immunotherapeutics could improve the practicality and cell-specific targeting of such therapeutics in the pre-clinical stage. Leading to more opportunities for LC-targeted therapeutics such as for allergy immunotherapy and asthma.
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Affiliation(s)
- Nicole M D van der Burg
- The Delivery of Drugs and Genes Group (D(2)G(2)), Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St. Lucia, QL 4072, Australia
| | - Alexandra C I Depelsenaire
- The Delivery of Drugs and Genes Group (D(2)G(2)), Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St. Lucia, QL 4072, Australia
| | - Michael L Crichton
- The Delivery of Drugs and Genes Group (D(2)G(2)), Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St. Lucia, QL 4072, Australia
| | - Paula Kuo
- The University of Queensland Diamantina Institute, Translational Research Institute, Woolloongabba, QL 4102, Australia
| | - Simon Phipps
- QIMR Berghofer Medical Research Institute, Herston, QL 4006, Australia
| | - Mark A F Kendall
- The Delivery of Drugs and Genes Group (D(2)G(2)), Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St. Lucia, QL 4072, Australia; The Australian National University, Canberra, Australian Capital Territory 2600, Australia.
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32
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Wei JCJ, Haridass IN, Crichton ML, Mohammed YH, Meliga SC, Sanchez WY, Grice JE, Benson HAE, Roberts MS, Kendall MAF. Space- and time-resolved investigation on diffusion kinetics of human skin following macromolecule delivery by microneedle arrays. Sci Rep 2018; 8:17759. [PMID: 30531828 PMCID: PMC6288161 DOI: 10.1038/s41598-018-36009-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 11/09/2018] [Indexed: 12/16/2022] Open
Abstract
Microscale medical devices are being developed for targeted skin delivery of vaccines and the extraction of biomarkers, with the potential to revolutionise healthcare in both developing and developed countries. The effective clinical development of these devices is dependent on understanding the macro-molecular diffusion properties of skin. We hypothesised that diffusion varied according to specific skin layers. Using three different molecular weights of rhodamine dextran (RD) (MW of 70, 500 and 2000 kDa) relevant to the vaccine and therapeutic scales, we deposited molecules to a range of depths (0-300 µm) in ex vivo human skin using the Nanopatch device. We observed significant dissipation of RD as diffusion with 70 and 500 kDa within the 30 min timeframe, which varied with MW and skin layer. Using multiphoton microscopy, image analysis and a Fick's law analysis with 2D cartesian and axisymmetric cylindrical coordinates, we reported experimental trends of epidermal and dermal diffusivity values ranging from 1-8 µm2 s-1 to 1-20 µm2 s-1 respectively, with a significant decrease in the dermal-epidermal junction of 0.7-3 µm2 s-1. In breaching the stratum corneum (SC) and dermal-epidermal junction barriers, we have demonstrated practical application, delivery and targeting of macromolecules to both epidermal and dermal antigen presenting cells, providing a sound knowledge base for future development of skin-targeting clinical technologies in humans.
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Affiliation(s)
- Jonathan C J Wei
- Diamantina Institute, Faculty of Medicine, The University of Queensland, Woolloongabba, QLD, 4102, Australia
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Isha N Haridass
- Diamantina Institute, Faculty of Medicine, The University of Queensland, Woolloongabba, QLD, 4102, Australia
- School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Bentley, WA, 6102, Australia
| | - Michael L Crichton
- Institute of Mechanical, Process and Energy Engineering, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, EH14 4AS, United Kingdom
| | - Yousuf H Mohammed
- Diamantina Institute, Faculty of Medicine, The University of Queensland, Woolloongabba, QLD, 4102, Australia
| | - Stefano C Meliga
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Washington Y Sanchez
- Diamantina Institute, Faculty of Medicine, The University of Queensland, Woolloongabba, QLD, 4102, Australia
| | - Jeffrey E Grice
- Diamantina Institute, Faculty of Medicine, The University of Queensland, Woolloongabba, QLD, 4102, Australia
| | - Heather A E Benson
- School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Bentley, WA, 6102, Australia
| | - Michael S Roberts
- Diamantina Institute, Faculty of Medicine, The University of Queensland, Woolloongabba, QLD, 4102, Australia.
- Basil Hetzel Institute for Translational Health Research, School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA, 5011, Australia.
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Fernando GJP, Hickling J, Jayashi Flores CM, Griffin P, Anderson CD, Skinner SR, Davies C, Witham K, Pryor M, Bodle J, Rockman S, Frazer IH, Forster AH. Safety, tolerability, acceptability and immunogenicity of an influenza vaccine delivered to human skin by a novel high-density microprojection array patch (Nanopatch™). Vaccine 2018; 36:3779-3788. [PMID: 29779922 DOI: 10.1016/j.vaccine.2018.05.053] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 05/09/2018] [Accepted: 05/10/2018] [Indexed: 11/17/2022]
Abstract
BACKGROUND Injection using needle and syringe (N&S) is the most widely used method for vaccination, but requires trained healthcare workers. Fear of needles, risk of needle-stick injury, and the need to reconstitute lyophilised vaccines, are also drawbacks. The Nanopatch (NP) is a microarray skin patch comprised of a high-density array of microprojections dry-coated with vaccine that is being developed to address these shortcomings. Here we report a randomised, partly-blinded, placebo-controlled trial that represents the first use in humans of the NP to deliver a vaccine. METHODS Healthy volunteers were vaccinated once with one of the following: (1) NPs coated with split inactivated influenza virus (A/California/07/2009 [H1N1], 15 µg haemagglutinin (HA) per dose), applied to the volar forearm (NP-HA/FA), n = 15; (2) NPs coated with split inactivated influenza virus (A/California/07/2009 [H1N1], 15 µg HA per dose), applied to the upper arm (NP-HA/UA), n = 15; (3) Fluvax® 2016 containing 15 µg of the same H1N1 HA antigen injected intramuscularly (IM) into the deltoid (IM-HA/D), n = 15; (4) NPs coated with excipients only, applied to the volar forearm (NP-placebo/FA), n = 5; (5) NPs coated with excipients only applied to the upper arm (NP-placebo/UA), n = 5; or (6) Saline injected IM into the deltoid (IM-placebo/D), n = 5. Antibody responses at days 0, 7, and 21 were measured by haemagglutination inhibition (HAI) and microneutralisation (MN) assays. FINDINGS NP vaccination was safe and acceptable; all adverse events were mild or moderate. Most subjects (55%) receiving patch vaccinations (HA or placebo) preferred the NP compared with their past experience of IM injection with N&S (preferred by 24%). The antigen-vaccinated groups had statistically higher HAI titres at day 7 and 21 compared with baseline (p < 0.0001), with no statistical differences between the treatment groups (p > 0.05), although the group sizes were small. The geometric mean HAI titres at day 21 for the NP-HA/FA, NP-HA/UA and IM-HA/D groups were: 335 (189-593 95% CI), 160 (74-345 95% CI), and 221 (129-380 95% CI) respectively. A similar pattern of responses was seen with the MN assays. Application site reactions were mild or moderate, and more marked with the influenza vaccine NPs than with the placebo or IM injection. INTERPRETATION Influenza vaccination using the NP appeared to be safe, and acceptable in this first time in humans study, and induced similar immune responses to vaccination by IM injection.
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Affiliation(s)
- Germain J P Fernando
- Vaxxas Pty Ltd, Translational Research Institute, 37 Kent Street, Brisbane, QLD 4102, Australia
| | | | - Cesar M Jayashi Flores
- Vaxxas Pty Ltd, Translational Research Institute, 37 Kent Street, Brisbane, QLD 4102, Australia
| | - Paul Griffin
- QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia; Q-Pharm Pty Ltd, Brisbane, QLD, Australia; Department of Medicine and Infectious Dieases, Mater Hospital and Mater Research Institute, Brisbane, QLD, Australia; The University of Queensland, Brisbane, QLD, Australia
| | - Christopher D Anderson
- Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linkӧping University, Linkӧping, Sweden; Department of Dermatology and Venereology, Heart and Medicine Centre, Region Ӧstergötland, Sweden
| | - S Rachel Skinner
- Discipline of Child and Adolescent Health, Sydney Medical School, University of Sydney, Sydney, NSW, Australia; The Children's Hospital at Westmead, Sydney, NSW, Australia
| | - Cristyn Davies
- Discipline of Child and Adolescent Health, Sydney Medical School, University of Sydney, Sydney, NSW, Australia; The Children's Hospital at Westmead, Sydney, NSW, Australia
| | - Katey Witham
- Vaxxas Pty Ltd, Translational Research Institute, 37 Kent Street, Brisbane, QLD 4102, Australia
| | - Melinda Pryor
- 360biolabs Pty Ltd, Burnet Institute, Melbourne, VIC, Australia
| | | | - Steve Rockman
- Seqirus Pty Ltd, Melbourne, VIC, Australia; University of Melbourne, Melbourne, VIC, Australia
| | - Ian H Frazer
- The University of Queensland, Brisbane, QLD, Australia
| | - Angus H Forster
- Vaxxas Pty Ltd, Translational Research Institute, 37 Kent Street, Brisbane, QLD 4102, Australia.
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Zhao Z, Ukidve A, Dasgupta A, Mitragotri S. Transdermal immunomodulation: Principles, advances and perspectives. Adv Drug Deliv Rev 2018; 127:3-19. [PMID: 29604373 DOI: 10.1016/j.addr.2018.03.010] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 03/17/2018] [Accepted: 03/26/2018] [Indexed: 12/23/2022]
Abstract
Immunomodulation, manipulation of the immune responses towards an antigen, is a promising strategy to treat cancer, infectious diseases, allergies, and autoimmune diseases, among others. Unique features of the skin including the presence of tissue-resident immune cells, ease of access and connectivity to other organs makes it a unique target organ for immunomodulation. In this review, we summarize advances in transdermal delivery of agents for modulating the immune responses for vaccination as well as tolerization. The biological foundation of skin-based immunomodulation and challenges in its implementation are described. Technological approaches aimed at enhancing the delivery of immunomodulatory therapeutics into skin are also discussed in this review. Progress made in the treatment of several specific diseases including cancer, infections and allergy are discussed. Finally, this review discusses some practical considerations and offers some recommendations for future studies in the field of transdermal immunomodulation.
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Affiliation(s)
- Zongmin Zhao
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, United States
| | - Anvay Ukidve
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, United States
| | - Anshuman Dasgupta
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, United States
| | - Samir Mitragotri
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, United States.
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Abstract
Vaccines have been successful in reducing the mortality and morbidity, but most of them are delivered by intramuscular or intravenous route. They are associated with pain to the baby and bring lot of anxiety for the parents. There has been a marked increase in the number of injections required in first two years of life for completing the vaccination schedule. Hence, there is a need to have a painless vaccine delivery system. Numerous new routes of vaccination like, oral, nasal and transdermal routes are being tried. Oral polio and intranasal influenza have already been a success. Other newer approaches like edible vaccines, nasal sprays, dry powder preparations, jet injectors, microneedles and nanopatches are promising in delivering painless vaccines. Many of them are under clinical trials. These vaccine delivery systems will not only be painless but also cost effective, safe and easy to administer in mass population. They may be devoid of the need of cold chain. Painless delivery system will ensure better compliance to vaccination schedule.
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Affiliation(s)
- Neha Garg
- Department of Pediatrics, University College of Medical Sciences and Guru Tegh Bahadur Hospital, New Delhi, 110095, India.
| | - Anju Aggarwal
- Department of Pediatrics, University College of Medical Sciences and Guru Tegh Bahadur Hospital, New Delhi, 110095, India
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37
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Griffin P, Elliott S, Krauer K, Davies C, Rachel Skinner S, Anderson CD, Forster A. Safety, acceptability and tolerability of uncoated and excipient-coated high density silicon micro-projection array patches in human subjects. Vaccine 2017; 35:6676-6684. [DOI: 10.1016/j.vaccine.2017.10.021] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 10/09/2017] [Accepted: 10/11/2017] [Indexed: 11/16/2022]
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Nguyen TT, Park JH. Human studies with microneedles for evaluation of their efficacy and safety. Expert Opin Drug Deliv 2017; 15:235-245. [PMID: 29169288 DOI: 10.1080/17425247.2018.1410138] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
INTRODUCTION During the past two decades, many studies have documented the development of microneedles (MNs) as a feasible technique for the effective administration of drugs. More and more human studies have been done with MNs to bridge the gap between research and market applications that provide efficacious techniques for clinical implementation. AREAS COVERED The aim of this review is provide a brief description of the status of human study with MNs and to demonstrate progress for the right use of microneedle arrays in clinical settings. It also describes the considerations for clinical application with each type of MNs. EXPERT OPINION Microneedle systems were introduced to overcome the limitations of conventional methods of drug administration. Lots of microneedle systems have undergone clinical evaluation to determine their efficacy and safety, and many studies have demonstrated positive results. The successful clinical use of the microneedle in vaccine therapy is remarkable and supports the importance of conducting further tests in a wide range of medical applications. Self-administered MNs appeared to be an attractive alternative method that needs further research to become a reality in the near future.
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Affiliation(s)
- Thuy Trang Nguyen
- a Department of BioNano Technology , Gachon University , Gyeonggi-Do , South of Korea
| | - Jung Hwan Park
- a Department of BioNano Technology , Gachon University , Gyeonggi-Do , South of Korea
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Schipper P, van der Maaden K, Groeneveld V, Ruigrok M, Romeijn S, Uleman S, Oomens C, Kersten G, Jiskoot W, Bouwstra J. Diphtheria toxoid and N -trimethyl chitosan layer-by-layer coated pH-sensitive microneedles induce potent immune responses upon dermal vaccination in mice. J Control Release 2017; 262:28-36. [DOI: 10.1016/j.jconrel.2017.07.017] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Revised: 07/02/2017] [Accepted: 07/10/2017] [Indexed: 01/18/2023]
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Yao S, Jin B, Liu Z, Shao C, Zhao R, Wang X, Tang R. Biomineralization: From Material Tactics to Biological Strategy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1605903. [PMID: 28229486 DOI: 10.1002/adma.201605903] [Citation(s) in RCA: 152] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 01/31/2017] [Indexed: 05/23/2023]
Abstract
Biomineralization is an important tactic by which biological organisms produce hierarchically structured minerals with marvellous functions. Biomineralization studies typically focus on the mediation function of organic matrices on inorganic minerals, which helps scientists to design and synthesize bioinspired functional materials. However, the presence of inorganic minerals may also alter the native behaviours of organic matrices and even biological organisms. This progress report discusses the latest achievements relating to biomineralization mechanisms, the manufacturing of biomimetic materials and relevant applications in biological and biomedical fields. In particular, biomineralized vaccines and algae with improved thermostability and photosynthesis, respectively, demonstrate that biomineralization is a strategy for organism evolution via the rational design of organism-material complexes. The successful modification of biological systems using materials is based on the regulatory effect of inorganic materials on organic organisms, which is another aspect of biomineralization control. Unlike previous studies, this study integrates materials and biological science to achieve a more comprehensive view of the mechanisms and applications of biomineralization.
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Affiliation(s)
- Shasha Yao
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Biao Jin
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Zhaoming Liu
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Changyu Shao
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Ruibo Zhao
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Xiaoyu Wang
- Qiushi Academy for Advanced Studies, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Ruikang Tang
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
- Qiushi Academy for Advanced Studies, Zhejiang University, Hangzhou, Zhejiang, 310027, China
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Kavaldzhiev M, Perez JE, Ivanov Y, Bertoncini A, Liberale C, Kosel J. Biocompatible 3D printed magnetic micro needles. Biomed Phys Eng Express 2017. [DOI: 10.1088/2057-1976/aa5ccb] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Hsueh KJ, Chen MC, Cheng LT, Lee JW, Chung WB, Chu CY. Transcutaneous immunization of Streptococcus suis bacterin using dissolving microneedles. Comp Immunol Microbiol Infect Dis 2016; 50:78-87. [PMID: 28131383 DOI: 10.1016/j.cimid.2016.12.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Revised: 11/14/2016] [Accepted: 12/08/2016] [Indexed: 11/17/2022]
Abstract
Vaccine delivery using microneedle (MN) patches is an easy, safe and painless alternative to traditional needle injections. In this study, we examined whether MN patches can enhance the efficacy of a Streptococcus suis serotype 2 (S. suis 2) vaccine in a mouse model. Results showed that MNs can reach 200-250μm into the skin, a depth beneficial for targeted delivery of antigens to antigen-presenting cells in the epidermis and dermis. Vaccination with prime-boost of MN induced higher levels of IgG2a antibody titer, T cell proliferation, and TH1 cytokines (IFN-γ and IL-12) as compared to intramuscular (IM) injection. In addition, single dose MN vaccination better protected mice against lethal challenge than IM vaccination. MN vaccination also conferred long-term IgG2a antibody against S. suis 2 bacteria presence for up to 7 months. Taken together, these data showed that vaccine delivery by MNs results in superior immune response and protection rate when compared to IM injections.
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Affiliation(s)
- Kai-Jen Hsueh
- Department of Veterinary Medicine, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung, 91201 Taiwan; Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung, 91201 Taiwan
| | - Mei-Chin Chen
- Department of Chemical Engineering, National Cheng Kung University, Tainan, 701 Taiwan
| | - Li-Ting Cheng
- Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung, 91201 Taiwan
| | - Jai-Wei Lee
- Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science and Technology, Pingtung, 91201 Taiwan
| | - Wen-Bin Chung
- Department of Veterinary Medicine, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung, 91201 Taiwan
| | - Chun-Yen Chu
- Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung, 91201 Taiwan.
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Shakya AK, Chowdhury MYE, Tao W, Gill HS. Mucosal vaccine delivery: Current state and a pediatric perspective. J Control Release 2016; 240:394-413. [PMID: 26860287 PMCID: PMC5381653 DOI: 10.1016/j.jconrel.2016.02.014] [Citation(s) in RCA: 105] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 01/21/2016] [Accepted: 02/05/2016] [Indexed: 12/30/2022]
Abstract
Most childhood infections occur via the mucosal surfaces, however, parenterally delivered vaccines are unable to induce protective immunity at these surfaces. In contrast, delivery of vaccines via the mucosal routes can allow antigens to interact with the mucosa-associated lymphoid tissue (MALT) to induce both mucosal and systemic immunity. The induced mucosal immunity can neutralize the pathogen on the mucosal surface before it can cause infection. In addition to reinforcing the defense at mucosal surfaces, mucosal vaccination is also expected to be needle-free, which can eliminate pain and the fear of vaccination. Thus, mucosal vaccination is highly appealing, especially for the pediatric population. However, vaccine delivery across mucosal surfaces is challenging because of the different barriers that naturally exist at the various mucosal surfaces to keep the pathogens out. There have been significant developments in delivery systems for mucosal vaccination. In this review we provide an introduction to the MALT, highlight barriers to vaccine delivery at different mucosal surfaces, discuss different approaches that have been investigated for vaccine delivery across mucosal surfaces, and conclude with an assessment of perspectives for mucosal vaccination in the context of the pediatric population.
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Affiliation(s)
| | | | - Wenqian Tao
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA
| | - Harvinder Singh Gill
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA.
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Microfabrication for Drug Delivery. MATERIALS 2016; 9:ma9080646. [PMID: 28773770 PMCID: PMC5509096 DOI: 10.3390/ma9080646] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 07/14/2016] [Accepted: 07/26/2016] [Indexed: 12/22/2022]
Abstract
This review is devoted to discussing the application of microfabrication technologies to target challenges encountered in life processes by the development of drug delivery systems. Recently, microfabrication has been largely applied to solve health and pharmaceutical science issues. In particular, fabrication methods along with compatible materials have been successfully designed to produce multifunctional, highly effective drug delivery systems. Microfabrication offers unique tools that can tackle problems in this field, such as ease of mass production with high quality control and low cost, complexity of architecture design and a broad range of materials. Presented is an overview of silicon- and polymer-based fabrication methods that are key in the production of microfabricated drug delivery systems. Moreover, the efforts focused on studying the biocompatibility of materials used in microfabrication are analyzed. Finally, this review discusses representative ways microfabrication has been employed to develop systems delivering drugs through the transdermal and oral route, and to improve drug eluting implants. Additionally, microfabricated vaccine delivery systems are presented due to the great impact they can have in obtaining a cold chain-free vaccine, with long-term stability. Microfabrication will continue to offer new, alternative solutions for the development of smart, advanced drug delivery systems.
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Understanding natural herpes simplex virus immunity to inform next-generation vaccine design. Clin Transl Immunology 2016; 5:e94. [PMID: 27525067 PMCID: PMC4973325 DOI: 10.1038/cti.2016.44] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 06/29/2016] [Accepted: 06/30/2016] [Indexed: 12/12/2022] Open
Abstract
Incremental advances in our knowledge of how natural immune control of herpes simplex virus (HSV) develops have yielded insight as to why previous vaccine attempts have only been partially successful, however, our understanding of these pathways, particularly in humans, is still incomplete. Further elucidation of the innate immune events that are responsible for stimulating these effector responses is required to accurately inform vaccine design. An enhanced understanding of the mechanism of action of novel adjuvants will also facilitate the rational choice of adjuvant to optimise such responses. Here we review the reasons for the hitherto partial HSV vaccine success and align these with our current knowledge of how natural HSV immunity develops. In particular, we focus on the innate immune response and the role of dendritic cells in inducing protective T-cell responses and how these pathways might be recapitulated in a vaccine setting.
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Ng HI, Fernando GJP, Depelsenaire ACI, Kendall MAF. Potent response of QS-21 as a vaccine adjuvant in the skin when delivered with the Nanopatch, resulted in adjuvant dose sparing. Sci Rep 2016; 6:29368. [PMID: 27404789 PMCID: PMC4941647 DOI: 10.1038/srep29368] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 06/07/2016] [Indexed: 12/30/2022] Open
Abstract
Adjuvants play a key role in boosting immunogenicity of vaccines, particularly for subunit protein vaccines. In this study we investigated the induction of antibody response against trivalent influenza subunit protein antigen and a saponin adjuvant, QS-21. Clinical trials of QS-21 have demonstrated the safety but, also a need of high dose for optimal immunity, which could possibly reduce patient acceptability. Here, we proposed the use of a skin delivery technology - the Nanopatch - to reduce both adjuvant and antigen dose but also retain its immune stimulating effects when compared to the conventional needle and syringe intramuscular (IM) delivery. We have demonstrated that Nanopatch delivery to skin requires only 1/100(th) of the IM antigen dose to induce equivalent humoral response. QS-21 enhanced humoral response in both skin and muscle route. Additionally, Nanopatch has demonstrated 30-fold adjuvant QS-21 dose sparing while retaining immune stimulating effects compared to IM. QS-21 induced localised, controlled cell death in the skin, suggesting that the danger signals released from dead cells contributed to the enhanced immunogenicity. Taken together, these findings demonstrated the suitability of reduced dose of QS-21 and the antigen using the Nanopatch to enhance humoral responses, and the potential to increase patient acceptability of QS-21 adjuvant.
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Affiliation(s)
- Hwee-Ing Ng
- The University of Queensland, Delivery of Drugs and Genes Group (DG), Australian Institute for Bioengineering & Nanotechnology, Brisbane, Queensland 4072, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, Brisbane, Queensland, Australia
| | - Germain J. P. Fernando
- The University of Queensland, Delivery of Drugs and Genes Group (DG), Australian Institute for Bioengineering & Nanotechnology, Brisbane, Queensland 4072, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, Brisbane, Queensland, Australia
| | - Alexandra C. I. Depelsenaire
- The University of Queensland, Delivery of Drugs and Genes Group (DG), Australian Institute for Bioengineering & Nanotechnology, Brisbane, Queensland 4072, Australia
| | - Mark A. F. Kendall
- The University of Queensland, Delivery of Drugs and Genes Group (DG), Australian Institute for Bioengineering & Nanotechnology, Brisbane, Queensland 4072, Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, Brisbane, Queensland, Australia
- The University of Queensland, Faculty of Medicine and Biomedical Sciences, Royal Brisbane and Women’s Hospital, Herston, Queensland 4006, Australia
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47
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Fernando GJP, Zhang J, Ng HI, Haigh OL, Yukiko SR, Kendall MAF. Influenza nucleoprotein DNA vaccination by a skin targeted, dry coated, densely packed microprojection array (Nanopatch) induces potent antibody and CD8(+) T cell responses. J Control Release 2016; 237:35-41. [PMID: 27381247 DOI: 10.1016/j.jconrel.2016.06.045] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 06/02/2016] [Accepted: 06/29/2016] [Indexed: 01/05/2023]
Abstract
DNA vaccines have many advantages such as thermostability and the ease and rapidity of manufacture; for example, in an influenza pandemic situation where rapid production of vaccine is essential. However, immunogenicity of DNA vaccines was shown to be poor in humans unless large doses of DNA are used. If a highly efficacious DNA vaccine delivery system could be identified, then DNA vaccines have the potential to displace protein vaccines. In this study, we show in a C57BL/6 mouse model, that the Nanopatch, a microprojection array of high density (>21,000 projections/cm(2)), could be used to deliver influenza nucleoprotein DNA vaccine to skin, to generate enhanced antigen specific antibody and CD8(+) T cell responses compared to the conventional intramuscular (IM) delivery by the needle and syringe. Antigen specific antibody was measured using ELISA assays of mice vaccinated with a DNA plasmid containing the nucleoprotein gene of influenza type A/WSN/33 (H1N1). Antigen specific CD8(+) T cell responses were measured ex-vivo in splenocytes of mice using IFN-γ ELISPOT assays. These results and our previous antibody and CD4(+) T cell results using the Nanopatch delivered HSV DNA vaccine indicate that the Nanopatch is an effective delivery system of general utility that could potentially be used in humans to increase the potency of the DNA vaccines.
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Affiliation(s)
- Germain J P Fernando
- The University of Queensland, Delivery of Drugs and Genes Group (D(2)G(2)), Australian Institute for Bioengineering and Nanotechnology, Brisbane, Queensland 4072, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, Brisbane, Queensland 4072, Australia.
| | - Jin Zhang
- The University of Queensland, Delivery of Drugs and Genes Group (D(2)G(2)), Australian Institute for Bioengineering and Nanotechnology, Brisbane, Queensland 4072, Australia
| | - Hwee-Ing Ng
- The University of Queensland, Delivery of Drugs and Genes Group (D(2)G(2)), Australian Institute for Bioengineering and Nanotechnology, Brisbane, Queensland 4072, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Oscar L Haigh
- The University of Queensland, Delivery of Drugs and Genes Group (D(2)G(2)), Australian Institute for Bioengineering and Nanotechnology, Brisbane, Queensland 4072, Australia
| | - Sally R Yukiko
- The University of Queensland, Delivery of Drugs and Genes Group (D(2)G(2)), Australian Institute for Bioengineering and Nanotechnology, Brisbane, Queensland 4072, Australia
| | - Mark A F Kendall
- The University of Queensland, Delivery of Drugs and Genes Group (D(2)G(2)), Australian Institute for Bioengineering and Nanotechnology, Brisbane, Queensland 4072, Australia; ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, Brisbane, Queensland 4072, Australia; The University of Queensland, Faculty of Medicine and Biomedical Sciences, Centre for Clinical Research, Royal Brisbane and Women's Hospital, Herston, Queensland 4006, Australia.
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48
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Crichton ML, Muller DA, Depelsenaire ACI, Pearson FE, Wei J, Coffey J, Zhang J, Fernando GJP, Kendall MAF. The changing shape of vaccination: improving immune responses through geometrical variations of a microdevice for immunization. Sci Rep 2016; 6:27217. [PMID: 27251567 PMCID: PMC4890175 DOI: 10.1038/srep27217] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 04/28/2016] [Indexed: 11/09/2022] Open
Abstract
Micro-device use for vaccination has grown in the past decade, with the promise of ease-of-use, painless application, stable solid formulations and greater immune response generation. However, the designs of the highly immunogenic devices (e.g. the gene gun, Nanopatch or laser adjuvantation) require significant energy to enter the skin (30-90 mJ). Within this study, we explore a way to more effectively use energy for skin penetration and vaccination. These modifications change the Nanopatch projections from cylindrical/conical shapes with a density of 20,000 per cm(2) to flat-shaped protrusions at 8,000 per cm(2), whilst maintaining the surface area and volume that is placed within the skin. We show that this design results in more efficient surface crack initiations, allowing the energy to be more efficiently be deployed through the projections into the skin, with a significant overall increase in penetration depth (50%). Furthermore, we measured a significant increase in localized skin cell death (>2 fold), and resultant infiltrate of cells (monocytes and neutrophils). Using a commercial seasonal trivalent human influenza vaccine (Fluvax 2014), our new patch design resulted in an immune response equivalent to intramuscular injection with approximately 1000 fold less dose, while also being a practical device conceptually suited to widespread vaccination.
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Affiliation(s)
- Michael Lawrence Crichton
- The University of Queensland, Delivery of Drugs and Genes Group (D2G2), The Australian Institute for Bioengineering and Nanotechnology, St Lucia, QLD 4072, Australia.,ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, Australia
| | - David Alexander Muller
- The University of Queensland, Delivery of Drugs and Genes Group (D2G2), The Australian Institute for Bioengineering and Nanotechnology, St Lucia, QLD 4072, Australia
| | - Alexandra Christina Isabelle Depelsenaire
- The University of Queensland, Delivery of Drugs and Genes Group (D2G2), The Australian Institute for Bioengineering and Nanotechnology, St Lucia, QLD 4072, Australia
| | - Frances Elizabeth Pearson
- The University of Queensland, Delivery of Drugs and Genes Group (D2G2), The Australian Institute for Bioengineering and Nanotechnology, St Lucia, QLD 4072, Australia
| | - Jonathan Wei
- The University of Queensland, Delivery of Drugs and Genes Group (D2G2), The Australian Institute for Bioengineering and Nanotechnology, St Lucia, QLD 4072, Australia
| | - Jacob Coffey
- The University of Queensland, Delivery of Drugs and Genes Group (D2G2), The Australian Institute for Bioengineering and Nanotechnology, St Lucia, QLD 4072, Australia
| | - Jin Zhang
- The University of Queensland, Delivery of Drugs and Genes Group (D2G2), The Australian Institute for Bioengineering and Nanotechnology, St Lucia, QLD 4072, Australia
| | - Germain J P Fernando
- The University of Queensland, Delivery of Drugs and Genes Group (D2G2), The Australian Institute for Bioengineering and Nanotechnology, St Lucia, QLD 4072, Australia
| | - Mark Anthony Fernance Kendall
- The University of Queensland, Delivery of Drugs and Genes Group (D2G2), The Australian Institute for Bioengineering and Nanotechnology, St Lucia, QLD 4072, Australia.,ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of Queensland, Australia.,The University of Queensland, Faculty of Medicine and Biomedical Sciences, Royal Brisbane and Women's Hospital, Herston, Queensland 4006, Australia
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49
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Tomar J, Born PA, Frijlink HW, Hinrichs WLJ. Dry influenza vaccines: towards a stable, effective and convenient alternative to conventional parenteral influenza vaccination. Expert Rev Vaccines 2016; 15:1431-1447. [DOI: 10.1080/14760584.2016.1182869] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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50
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Vassilieva EV, Kalluri H, McAllister D, Taherbhai MT, Esser ES, Pewin WP, Pulit-Penaloza JA, Prausnitz MR, Compans RW, Skountzou I. Improved immunogenicity of individual influenza vaccine components delivered with a novel dissolving microneedle patch stable at room temperature. Drug Deliv Transl Res 2016; 5:360-71. [PMID: 25895053 DOI: 10.1007/s13346-015-0228-0] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Prevention of seasonal influenza epidemics and pandemics relies on widespread vaccination coverage to induce protective immunity. In addition to a good antigenic match with the circulating viruses, the effectiveness of individual strains represented in the trivalent vaccines depends on their immunogenicity. In this study, we evaluated the immunogenicity of H1N1, H3N2, and B seasonal influenza virus vaccine strains delivered individually with a novel dissolving microneedle patch and the stability of this formulation during storage at 25 °C. Our data demonstrate that all strains retained their antigenic activity after incorporation in the dissolving patches as measured by single radial diffusion (SRID) assay and immune responses to vaccination in BALB/c mice. After a single immunization, all three antigens delivered with microneedle patches induced superior neutralizing antibody titers compared to intramuscular immunization. Cutaneous antigen delivery was especially beneficial for the less immunogenic B strain. Mice immunized with dissolving microneedle patches encapsulating influenza A/Brisbane/59/07 (H1N1) vaccine were fully protected against lethal challenge by homologous mouse-adapted influenza virus. All vaccine components retained activity during storage at room temperature for at least 3 months as measured in vitro by SRID assay and in vivo by mouse immunization studies. Our data demonstrate that dissolving microneedle patches are a promising advance for influenza cutaneous vaccination due to improved immune responses using less immunogenic influenza antigens and enhanced stability.
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Affiliation(s)
- Elena V Vassilieva
- Department of Microbiology & Immunology and Emory Vaccine Center, Emory University School of Medicine, 1518 Clifton Road, Atlanta, GA, 30322, USA
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