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Xu Y, Bei Z, Li M, Qiu K, Ren J, Chu B, Zhao Y, Qian Z. Biomaterials for non-invasive trans-tympanic drug delivery: requirements, recent advances and perspectives. J Mater Chem B 2024; 12:7787-7813. [PMID: 39044544 DOI: 10.1039/d4tb00676c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
Various non-invasive delivery systems have recently been developed as an alternative to conventional injections. Local transdermal administration represents the most attractive method due to the low systemic side effects, excellent ease of administration, and persistent drug release. The tympanic membrane (TM), a major barrier between the outer and middle ear, has a similar structure of the stratum corneum compared to the surface of the skin. After several attempts, non-invasive trans-tympanic drug delivery has been regarded as a promising option in the treatment of middle and inner ear diseases. The round window membrane (RWM) was a possible non-invasive delivery approach from the middle to inner ear. The improved permeability of nanocarriers crossing the RWM is a current hotspot in therapeutics for inner ear diseases. In this review, we include the latest studies exploring non-invasive trans-tympanic delivery to treat middle and inner ear diseases. Both passive and active delivery systems are described. A summary of the benefits and disadvantages of various delivery systems in clinical practice and production procedures is introduced. Finally, future possible approaches for its effective application as a non-invasive middle and inner ear drug delivery system are characterised.
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Affiliation(s)
- Yang Xu
- Department of Otorhinolaryngology-Head & Neck Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
| | - Zhongwu Bei
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
| | - Mei Li
- Department of Otorhinolaryngology-Head & Neck Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Ke Qiu
- Department of Otorhinolaryngology-Head & Neck Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Jianjun Ren
- Department of Otorhinolaryngology-Head & Neck Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Bingyang Chu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
| | - Yu Zhao
- Department of Otorhinolaryngology-Head & Neck Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zhiyong Qian
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
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Kaczmarczyk MS, Jurkiewicz D, Niemczyk S, Rymarz A. Aural Manifestations of Antineutrophil Cytoplasmic Antibody (ANCA)-Associated Vasculitis-Diagnosis, Symptoms, Treatment. J Clin Med 2024; 13:4298. [PMID: 39124565 PMCID: PMC11312814 DOI: 10.3390/jcm13154298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Revised: 07/15/2024] [Accepted: 07/19/2024] [Indexed: 08/12/2024] Open
Abstract
Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a group of vasculitis sharing a common pathophysiology, which affects small and medium blood vessels. There are three categories of AAV: granulomatosis with polyangiitis (GPA), microscopic polyangiitis (MPA), and eosinophilic granulomatosis with polyangiitis (EGPA). As a systemic disease, AAV can affect basically every organ. The goal of this publication is to sum up and underline the problem of the aural manifestation of AAV; it details the definition of Otitis Media with Antineutrophil Cytoplasmic Antibody Associated Vasculitis (OMAAV) and allows for a better understanding of the specific tasks of medical professionals taking part in the diagnostic and therapeutic process. Among others, this publication is directed to otolaryngologists who may encounter patients with AAV and often are the first specialists who see patients with early symptoms of AAV. This publication presents brief characteristics of AAV, descriptions of aural manifestations and symptoms, differential diagnosis, and both pharmacological and surgical treatment options, based on current recommendations and information found in the literature and clinical databases.
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Affiliation(s)
- Michał S. Kaczmarczyk
- Department of Otolaryngology and Laryngological Oncology with Clinical Department of Craniofacial Surgery, Military Institute of Medicine—National Research Institute, Szaserów 128, 04-349 Warsaw, Poland; (M.S.K.); (D.J.)
| | - Dariusz Jurkiewicz
- Department of Otolaryngology and Laryngological Oncology with Clinical Department of Craniofacial Surgery, Military Institute of Medicine—National Research Institute, Szaserów 128, 04-349 Warsaw, Poland; (M.S.K.); (D.J.)
| | - Stanisław Niemczyk
- Department of Internal Diseases, Nephrology and Dialysis, Military Institute of Medicine—National Research Institute, Szaserów 128, 04-349 Warsaw, Poland;
| | - Aleksandra Rymarz
- Department of Internal Diseases, Nephrology and Dialysis, Military Institute of Medicine—National Research Institute, Szaserów 128, 04-349 Warsaw, Poland;
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Kong KM, McMahon CM. Centring equity in the response to chronic suppurative otitis media. Lancet 2024; 403:2269-2272. [PMID: 38621396 DOI: 10.1016/s0140-6736(24)00698-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 04/03/2024] [Indexed: 04/17/2024]
Affiliation(s)
- Kelvin M Kong
- School of Medicine and Public Health, University of Newcastle Australia, Callaghan, NSW, Australia; Faculty of Medicine, Health & Human Sciences Macquarie University, North Ryde, NSW, Australia; Hunter Medical Research Institute, Newcastle, 2300 NSW, Australia.
| | - Catherine M McMahon
- Department of Linguistics and Faculty of Medicine, Health and Human Sciences, HEAR Centre, Macquarie University Hearing, Macquarie University, North Ryde, NSW, Australia
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