Medicine:Nasal vaccine

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Short description: Vaccine administered via the nose

A nasal vaccine is a vaccine administered through the nose that stimulates an immune response without an injection. It induces immunity through the inner surface of the nose, a surface that naturally comes in contact with many airborne microbes.[1] Nasal vaccines are emerging as an alternative to injectable vaccines because they do not use needles and can be introduced through the mucosal route. Nasal vaccines can be delivered through nasal sprays to prevent respiratory infections, such as influenza.

History

Nasal inoculation dates as far back as the 17th century in China during the Kangxi Emperor’s reign. Documentation during this period indicates that the Kangxi Emperor vaccinated his family, army, and others for mild smallpox. Manuals detailing vaccination techniques at the time all focused on sending smallpox up the nose of the individual being vaccinated. Although other vaccination techniques were developed using an infected individual’s scabs, a common method was to place a cotton swab with the fluid from an infected person’s pustule up the nose.[2]

Following smallpox, influenza became a prominent focus for nasal vaccine development. The first live attenuated influenza vaccine (LAIV) in the form of a nasal spray was created in Russia by the Institute of Experimental Medicine in 1987. This nasal vaccine development was based on the Russian backbone of LAIV while nasal vaccines since then have been based on other LAIV backbones.[3] The first nasal influenza vaccine was released in the United States in 2001 but was taken off the market due to toxicity concerns. FluMist, one of the most prominent nasal LAIVs, was released in 2003 as nasal LAIVs continued developing.[4]

Nasal vaccine
GI receives an intranasal mist of the flu vaccine at Guantanamo.jpg
Application of an intranasal mist of the flu vaccine
SpecialtyVaccine delivery

Anthrax attacks at the beginning of the 21st century caused a demand for nasal vaccine development. As anthrax is an airborne substance that can be inhaled, a nasal vaccine has the potential to be used to protect individuals from the effects it can have on the respiratory system.[5] Following the September 11, 2001 terrorist attacks in the United States, several individuals at news stations and U.S. senators died after being sent letters with anthrax as an act of bioterrorism.[6] Nasal vaccine research and development against anthrax was encouraged by the U.S. government in an effort to vaccinate troops.[5][7] BioThrax, the current anthrax vaccine that is licensed and administered in the United States, requires up to five intramuscular injections and annual boosters; research within the past decade has developed an alternative nasal vaccine that follows the path of infection for anthrax and induces both humoral and cellular immune responses.[5]

The global COVID-19 pandemic led to a rise in nasal vaccines against coronavirus. International efforts for vaccine development occurred as countries such as India, Iran, Russia, and China created nasal COVID-19 vaccines.[citation needed]

Administration

Nasal vaccines are a subsection of mucosal immunization as they use a mucosal route for vaccine delivery. As many pathogens can enter the body through the nose, nasal vaccines take advantage of this mechanism to deliver the vaccine. The nose has multiple lines of defense to prevent pathogens from entering further into the body. Nasal hairs are the first defense as they are at the entrance of the nose and prevent large particles from entering. The mucus layer in the nasal cavity can trap smaller particles that get past the nose hairs.[8] The nasal cavity has a large vascularization network so particles can go through the epithelial layer and directly enter the bloodstream.[9] Intruding particles will interact with the mucosal immune system if they reach the nasal mucosa. The mucosal immune system is composed of lymphoid tissue, B cells, T cells, and antigen-presenting cells. These different types of cells work together to identify intruding particles and trigger an immune response.[8] Nasal vaccines must overcome these barriers and get clearance to deliver the viral antigen to patients.[4] Nasal vaccines must overcome these barriers and get clearance to deliver the viral antigen to patients.[10]

Nasal vaccines can come in different forms such as solutions (liquids), powders, gels, and solid inserts. The most prevalent type of nasal vaccine in research and clinical application is solutions due to its ease of use. Although solutions are usually pipetted into test subjects’ nostrils when conducting animal trials for nasal vaccines, nasal sprays are considered the most practical approach for mass human vaccination using nasal vaccines.[8] A nasal spray is able to bypass the initial layers of the nasal mucosa and deliver the vaccine particles directly to the mucoadhesive layer.[11] The antigen in the nasal vaccine can then trigger an immune response and prevent infection due to nasal vaccines’ accessibility to the immune system.[12][13]

Human Nasal Anatomy

Nasal sprays are commonly used for delivering drugs in addition to vaccines. Decongestant drugs are often directly delivered to the nose through nasal sprays. Cold and allergy medication can be administered using nasal sprays for local delivery by bypassing nasal hairs and being introduced to the nasal cavity. Intranasal administration can have less drug degradation compared to oral administration because of direct particle delivery. Peptide drugs used for hormone treatments can be delivered nasally through nasal sprays instead of orally to retain particle integrity. Nasal sprays can also be used to deliver diabetes treatment, steroids, and intranasal oxytocin to induce labor. Nasal administration is also used to deliver anesthetics and sedatives due to direct access to the mucosal immune system and bloodstream.[14]

The olfactory epithelium makes up approximately 7% of the surface area of the nasal cavity and is connected to the olfactory bulb in the brain. Drugs and vaccines can be delivered to the brain past the blood-brain barrier through olfactory nerve cells.[14]

Compared to injectable vaccines, nasal vaccines can be advantageous because they are safe, painless, and easy to use. Nasal vaccines do not require a needle, which eliminates pain from needlestick injuries and safety concerns due to cross-contamination and needle disposal. Some studies also show that intranasal vaccines can generate cross-reactive antibodies that could lead to cross-protection.[8]

Live attenuated influenza vaccine

Intranasal COVID-19 Vaccines

Prior to the 2020 global COVID-19 pandemic, animal studies in 2004 on African green monkeys tested a SARS-associated coronavirus (SARS-CoV) vaccine and showed that these monkeys did not emit the virus from their upper respiratory tract after being infected.[15] Since then, several intranasal COVID-19 vaccines have been developed with the onset of the COVID-19 pandemic. inCOVACC, Razi Cov Pars, Sputnik, and Convidicia are nasal COVID-19 vaccines that were developed throughout the world to improve vaccine availability and reduce the spread of COVID-19. [citation needed]

COVID-19

In August 2020, during the COVID-19 pandemic, studies in mice and monkeys demonstrated that protection from the new coronavirus might be obtained through the nasal route. Another study postulated that if a COVID-19 vaccine could be given by a spray in the nose, people might be able to vaccinate themselves.[16] Research about the main characteristics of nasal spray vaccines that can affect the efficiency of vaccine delivery for COVID-19 indicates that the spray cone angle can impact the delivery efficiency; droplet initial velocity and composition did not have as much of an impact on nasal vaccine efficiency as the spray cone angle.[17]

India and China approved inCOVACC and Convidecia, respectively, to be used as boosters for those who have already received at least two COVID-19 vaccine doses.[18] Although nasal COVID-19 vaccine research continues in the United States, lack of government funding could prevent this research from moving on to human trials to get approval for public administration.[19] Privately funded research for nasal COVID-19 vaccines is starting to reach clinical trials; a nasal COVID-19 vaccine by Blue Lake Biotechnology has started its Phase 1 clinical trials as of late February 2023. Scientists speculate that nasal vaccines might have an advantage over other types of vaccines because they provide immune defense at the site of administration.[20]

Applications to veterinary medicine

Species other than humans use nasal vaccines to prevent diseases. Intranasal vaccines are used on dogs for Bordetella bronchiseptica to prevent infectious tracheobronchitis (ITB). ITB, commonly known as kennel cough, typically spreads in highly populated environments such as kennels and dog shelters. Consistent vaccination against ITB using an intranasal vaccine can create an immune response to protect the vaccinated dog. Consistent vaccination against ITB using an intranasal vaccine can create an immune response to protect the vaccinated dog.[21]

Bordetella Bronchiseptica

Cattle receive nasal vaccines against diseases such as bovine herpesvirus 1, parainfluenza type 3, and bovine rhinotracheitis virus.[22][23] As all three of these viruses are related to respiratory infection, using an intranasal route can bring the vaccine directly to the respiratory system.

Recent discoveries indicate that rainbow trout have a previously unknown lymphoid structure in their nasal cavity. This structure allows them to have fast innate and adaptive responses to nasal vaccines.[24]

Research

Nasal spray

Current research is exploring new technologies and developments to improve nasal vaccine delivery methods. Particle size and characteristics have become a focus of research as smaller particles can travel more easily to reach the epithelial layer of the nasal cavity compared to larger particles. Nanoparticles and nanosystems are being researched to optimize nasal delivery. Coated nanoparticles are an area of focus due to their properties to induce immune effects. Glycol chitosan-coated nanoparticles induced more of an immune response compared to the other types of nanoparticles.[25] Nanocarriers designed based on the characteristics of the nasal epithelium can be used to deliver nasal vaccines and can therefore make nasal vaccination more accessible.[26] Polymeric nanosystems are also being developed to deliver vaccines to target sites while preventing them from degrading; current research is focused on understanding the material and physical properties of biodegradable materials to be used in nanosystems to improve vaccine efficacy.[27] Research on the movement of nasal vaccine particles is focused on developing more effective ways for these vaccines to enter the body. An animal study on mice tested how a nasal vaccine can bypass issues with entry into the nasal epithelium by taking advantage of ciliary movement. The results indicated that tubulin tyrosine ligase-like family member 1 (Ttll1) knockout mice had higher levels of the vaccine antigen compared to the hetero mice.[28]

See also

References

  1. ↑ Scherließ, Regina (2014). "15. Nasal administration of vaccines". in Foged, Camilla. Subunit Vaccine Delivery. Springer. pp. 287–306. ISBN 978-1-4939-1417-3. https://books.google.com/books?id=SfSSBQAAQBAJ&pg=PA287. 
  2. ↑ Boylston, Arthur (July 2012). "The origins of inoculation" (in en). Journal of the Royal Society of Medicine 105 (7): 309–313. doi:10.1258/jrsm.2012.12k044. ISSN 0141-0768. PMID 22843649. 
  3. ↑ Rudenko, Larisa; Yeolekar, Leena; Kiseleva, Irina; Isakova-Sivak, Irina (October 2016). "Development and approval of live attenuated influenza vaccines based on Russian master donor viruses: Process challenges and success stories" (in en). Vaccine 34 (45): 5436–5441. doi:10.1016/j.vaccine.2016.08.018. PMID 27593158. 
  4. ↑ 4.0 4.1 Ramvikas, M.; Arumugam, M.; Chakrabarti, S.R.; Jaganathan, K.S. (2017), "Nasal Vaccine Delivery" (in en), Micro and Nanotechnology in Vaccine Development (Elsevier): pp. 279–301, doi:10.1016/b978-0-323-39981-4.00015-4, ISBN 978-0-323-39981-4 
  5. ↑ 5.0 5.1 5.2 Zhang, Jianfeng; Jex, Edward; Feng, Tsungwei; Sivko, Gloria S.; Baillie, Leslie W.; Goldman, Stanley; Van Kampen, Kent R.; Tang, De-chu C. (January 2013). "An Adenovirus-Vectored Nasal Vaccine Confers Rapid and Sustained Protection against Anthrax in a Single-Dose Regimen" (in en). Clinical and Vaccine Immunology 20 (1): 1–8. doi:10.1128/CVI.00280-12. ISSN 1556-6811. PMID 23100479. 
  6. ↑ Kenigsberg, Ben (September 8, 2022). "The Anthrax Attacks' Review: Strange Behavior and an Incriminating Flask". https://www.nytimes.com/2022/09/08/movies/the-anthrax-attacks-review.html.. 
  7. ↑ Nordqvist, Christian (December 23, 2022). "What to know about the anthrax vaccine". https://www.medicalnewstoday.com/articles/anthrax-vaccine. 
  8. ↑ 8.0 8.1 8.2 8.3 Yusuf, Helmy; Kett, Vicky (2017-01-02). "Current prospects and future challenges for nasal vaccine delivery" (in en). Human Vaccines & Immunotherapeutics 13 (1): 34–45. doi:10.1080/21645515.2016.1239668. ISSN 2164-5515. PMID 27936348. 
  9. ↑ Gras-Cabrerizo, Juan R.; García-Garrigós, Elena; Montserrat-Gili, Joan R.; Gras-Albert, Juan R.; Mirapeix-Lucas, Rosa; Massegur-Solench, Humbert; Quer-Agusti, Miquel (2018-03-01). "Anatomical Correlation Between Nasal Vascularisation and the Design of the Endonasal Pedicle Flaps" (in en). Indian Journal of Otolaryngology and Head & Neck Surgery 70 (1): 167–173. doi:10.1007/s12070-017-1197-z. ISSN 0973-7707. PMID 29456964. PMC 5807293. https://doi.org/10.1007/s12070-017-1197-z. 
  10. ↑ Davis, S. S. (2001-09-23). "Nasal vaccines" (in en). Advanced Drug Delivery Reviews. Nasal Vaccines 51 (1): 21–42. doi:10.1016/S0169-409X(01)00162-4. ISSN 0169-409X. PMID 11516777. https://www.sciencedirect.com/science/article/pii/S0169409X01001624. 
  11. ↑ Moakes, Richard J. A.; Davies, Scott P.; Stamataki, Zania; Grover, Liam M. (July 2021). "Formulation of a Composite Nasal Spray Enabling Enhanced Surface Coverage and Prophylaxis of SARS‐COV‐2" (in en). Advanced Materials 33 (26): 2008304. doi:10.1002/adma.202008304. ISSN 0935-9648. PMID 34060150. Bibcode: 2021AdM....3308304M. 
  12. ↑ "How do vaccines work?". December 8, 2020. https://www.who.int/news-room/feature-stories/detail/how-do-vaccines-work. 
  13. ↑ Nian, Xuanxuan; Zhang, Jiayou; Huang, Shihe; Duan, Kai; Li, Xinguo; Yang, Xiaoming (2022-09-20). "Development of Nasal Vaccines and the Associated Challenges" (in en). Pharmaceutics 14 (10): 1983. doi:10.3390/pharmaceutics14101983. ISSN 1999-4923. PMID 36297419. 
  14. ↑ 14.0 14.1 "Nasal administration" (in en), Wikipedia, 2023-03-18, https://en.wikipedia.org/w/index.php?title=Nasal_administration&oldid=1145251079, retrieved 2023-04-14 
  15. ↑ Tabor, Edward (2007). Emerging viruses in human populations (1st ed.). Amsterdam: Elsevier. pp. 68. ISBN 978-0-08-046790-0. OCLC 86106570. https://books.google.com/books?id=HgyS__P8UAQC&pg=PA68. 
  16. ↑ "COVID research updates: Immune responses to coronavirus persist beyond 6 months" (in en). Nature. 20 November 2020. doi:10.1038/d41586-020-00502-w. PMID 32221507. https://www.nature.com/articles/d41586-020-00502-w. 
  17. ↑ Hayati, Hamideh; Feng, Yu; Chen, Xiaole; Kolewe, Emily; Fromen, Catherine (2023-01-19). "Prediction of transport, deposition, and resultant immune response of nasal spray vaccine droplets using a CFPD—HCD model in a 6-year-old upper airway geometry to potentially prevent COVID-19" (in en). Experimental and Computational Multiphase Flow 5 (3): 272–289. doi:10.1007/s42757-022-0145-7. ISSN 2661-8877. PMID 36694695. PMC 9851113. https://doi.org/10.1007/s42757-022-0145-7. 
  18. ↑ "Two inhaled covid vaccines have been approved—but we don't know yet how good they are" (in en). https://www.technologyreview.com/2022/09/08/1059107/two-inhaled-covid-vaccines-approved/. 
  19. ↑ "Why the U.S. Doesn't Have a Nasal Vaccine for COVID-19" (in en). Time. 2022-10-31. https://time.com/6226356/nasal-vaccine-covid-19-us-update/. Retrieved 2023-04-14. 
  20. ↑ "Nasal Covid vaccine shows promise in early clinical trial" (in en). 24 February 2023. https://www.nbcnews.com/health/health-news/nasal-covid-vaccine-shows-promise-early-clinical-trial-rcna71841. 
  21. ↑ Ford, Richard B (2010). Textbook of veterinary internal medicine : diseases of the dog and the cat. Stephen J. Ettinger, Edward C. Feldman (7th ed.). St. Louis, Mo.: Elsevier Saunders. pp. 857. ISBN 978-1-4160-6593-7. OCLC 428770833. https://books.google.com/books?id=4Qzau1jagOYC&pg=PA857. 
  22. ↑ Yates, W. D.; Kingscote, B. F.; Bradley, J. A.; Mitchell, D. (July 1983). "The relationship of serology and nasal microbiology to pulmonary lesions in feedlot cattle". Canadian Journal of Comparative Medicine 47 (3): 375–378. ISSN 0008-4050. PMID 6315201. 
  23. ↑ "BOVILIS® NASALGEN®" (in english). https://www.merck-animal-health-usa.com/species/cattle/products/nasalgen. 
  24. ↑ Salinas, Irene; Garcia, Benjamin; Dong, Fen; Casadei, Elisa (2022-05-01). "Discovery of an organized nasopharynx-associated lymphoid tissue in the nasal cavity of rainbow trout and its role in secondary adaptive immune responses to nasal vaccines". The Journal of Immunology 208 (1_Supplement): 124.19. doi:10.4049/jimmunol.208.supp.124.19. ISSN 0022-1767. https://doi.org/10.4049/jimmunol.208.Supp.124.19. 
  25. ↑ Pawar, Dilip; Mangal, Sharad; Goswami, Roshan; Jaganathan, K. S. (2013-11-01). "Development and characterization of surface modified PLGA nanoparticles for nasal vaccine delivery: Effect of mucoadhesive coating on antigen uptake and immune adjuvant activity" (in en). European Journal of Pharmaceutics and Biopharmaceutics 85 (3, Part A): 550–559. doi:10.1016/j.ejpb.2013.06.017. ISSN 0939-6411. PMID 23831265. https://www.sciencedirect.com/science/article/pii/S0939641113002361. 
  26. ↑ Csaba, Noemi; Garcia-Fuentes, Marcos; Alonso, Maria Jose (2009-02-27). "Nanoparticles for nasal vaccination" (in en). Advanced Drug Delivery Reviews 61 (2): 140–157. doi:10.1016/j.addr.2008.09.005. ISSN 0169-409X. PMID 19121350. https://www.sciencedirect.com/science/article/pii/S0169409X08002640. 
  27. ↑ Köping-Höggård, Magnus; Sánchez, Alejandro; Alonso, María José (2005-04-01). "Nanoparticles as carriers for nasal vaccine delivery". Expert Review of Vaccines 4 (2): 185–196. doi:10.1586/14760584.4.2.185. ISSN 1476-0584. PMID 15889992. https://doi.org/10.1586/14760584.4.2.185. 
  28. ↑ Lan, Huangwenxian; Suzuki, Hidehiko; Nagatake, Takahiro; Hosomi, Koji; Ikegami, Koji; Setou, Mitsutoshi; Kunisawa, Jun (August 2020). "Impaired mucociliary motility enhances antigen-specific nasal IgA immune responses to a cholera toxin-based nasal vaccine". International Immunology 32 (8): 559–568. doi:10.1093/intimm/dxaa029. PMID 32347929. PMC 9262165. https://academic.oup.com/intimm/article/32/8/559/5826838. Retrieved 2023-04-14. 



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