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Ramachandran S, Prakash P, Mohtar N, Kumar KS, Parumasivam T. Review of inhalable nanoparticles for the pulmonary delivery of anti-tuberculosis drugs. Pharm Dev Technol 2023; 28:978-991. [PMID: 37937865 DOI: 10.1080/10837450.2023.2279691] [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: 12/16/2022] [Accepted: 09/05/2023] [Indexed: 11/09/2023]
Abstract
Tuberculosis is an airborne disease caused by the pathogen, Mycobacterium tuberculosis, which predominantly affects the lungs. World Health Organization (WHO) has reported that about 85% of TB patients are cured with the existing 6-month antibiotic regimen. However, the lengthy oral administration of high-dose anti-TB drugs is associated with significant side effects and leads to drug resistance cases. Alternatively, reformulating existing anti-tubercular drugs into inhalable nanoparticulate systems is a promising strategy to overcome the challenges associated with oral treatment as they could enhance drug retention in the pulmonary region to achieve an optimal drug concentration in the infected lungs. Hence, this review provides an overview of the literature on inhalable nano-formulations for the delivery of anti-TB drugs, including their formulation techniques and preclinical evaluations between the years 2000 and 2020, gathered from electronic journals via online search engines such as Google Scholar and PubMed. Previous in vitro and in vivo studies highlighted that the nano-size, low toxicity, and high efficacy were among the factors influencing the fate of nanoparticulate system upon deposition in the lungs. Although many preclinical studies have shown that inhalable nanoparticles increased therapeutic efficacy and minimised adverse drug reactions when delivered through the pulmonary route, none of them has progressed into clinical trials to date. This could be attributed to the high cost of inhaled regimes due to the expensive production and characterisation of the nanoparticles as well as the need for an inhalation device as compared to the oral treatment. Another barrier could be the lack of medical acceptance due to insufficient number of trained staff to educate the patients on the correct usage of the inhalation device. Hence, these barriers should be addressed satisfactorily to make the inhaled nanoparticles regimen a reality for the treatment of TB.
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Affiliation(s)
- Sowmya Ramachandran
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Pulau Pinang, Malaysia
| | - Priyanka Prakash
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Pulau Pinang, Malaysia
| | - Noratiqah Mohtar
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Pulau Pinang, Malaysia
| | - K Sudesh Kumar
- School of Biological Sciences, Universiti Sains Malaysia, Minden, Pulau Pinang, Malaysia
| | - Thaigarajan Parumasivam
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Pulau Pinang, Malaysia
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Li J, Liu K, Lyu S, Jing G, Dai B, Dhand R, Lin HL, Pelosi P, Berlinski A, Rello J, Torres A, Luyt CE, Michotte JB, Lu Q, Reychler G, Vecellio L, de Andrade AD, Rouby JJ, Fink JB, Ehrmann S. Aerosol therapy in adult critically ill patients: a consensus statement regarding aerosol administration strategies during various modes of respiratory support. Ann Intensive Care 2023; 13:63. [PMID: 37436585 DOI: 10.1186/s13613-023-01147-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Accepted: 05/31/2023] [Indexed: 07/13/2023] Open
Abstract
BACKGROUND Clinical practice of aerosol delivery in conjunction with respiratory support devices for critically ill adult patients remains a topic of controversy due to the complexity of the clinical scenarios and limited clinical evidence. OBJECTIVES To reach a consensus for guiding the clinical practice of aerosol delivery in patients receiving respiratory support (invasive and noninvasive) and identifying areas for future research. METHODS A modified Delphi method was adopted to achieve a consensus on technical aspects of aerosol delivery for adult critically ill patients receiving various forms of respiratory support, including mechanical ventilation, noninvasive ventilation, and high-flow nasal cannula. A thorough search and review of the literature were conducted, and 17 international participants with considerable research involvement and publications on aerosol therapy, comprised a multi-professional panel that evaluated the evidence, reviewed, revised, and voted on recommendations to establish this consensus. RESULTS We present a comprehensive document with 20 statements, reviewing the evidence, efficacy, and safety of delivering inhaled agents to adults needing respiratory support, and providing guidance for healthcare workers. Most recommendations were based on in-vitro or experimental studies (low-level evidence), emphasizing the need for randomized clinical trials. The panel reached a consensus after 3 rounds anonymous questionnaires and 2 online meetings. CONCLUSIONS We offer a multinational expert consensus that provides guidance on the optimal aerosol delivery techniques for patients receiving respiratory support in various real-world clinical scenarios.
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Affiliation(s)
- Jie Li
- Department of Cardiopulmonary Sciences, Division of Respiratory Care, Rush University, 600 S Paulina St, Suite 765, Chicago, IL, 60612, USA.
| | - Kai Liu
- Department of Critical Care Medicine, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Shan Lyu
- Critical Care Medicine, Peking University People's Hospital, Beijing, China
| | - Guoqiang Jing
- Department of Critical Care Medicine, Binzhou Medical University Hospital, Binzhou, China
| | - Bing Dai
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Rajiv Dhand
- Department of Medicine, University of Tennessee Graduate School of Medicine, Knoxville, TN, USA
| | - Hui-Ling Lin
- Department of Respiratory Therapy, Chang Gung University, Taoyuan, Taiwan
| | - Paolo Pelosi
- Anesthesiology and Critical Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Genoa, Italy
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
| | - Ariel Berlinski
- Pulmonary and Sleep Medicine Division, Department of Pediatrics, University of Arkansas for Medical Sciences, and Pediatric Aerosol Research Laboratory at Arkansas Children's Research Institute, Little Rock, AR, USA
| | - Jordi Rello
- Clinical Research/Epidemiology in Pneumonia and Sepsis (CRIPS), Vall d'Hebron Institute of Research (VHIR), Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
- Clinical Research in the ICU, Anaesthesia Department, CHU Nimes, Université de Nimes-Montpellier, Nimes, France
| | - Antoni Torres
- Servei de Pneumologia, Hospital Clinic, University of Barcelona, IDIBAPS CIBERES, Icrea, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Charles-Edouard Luyt
- Médecine Intensive Réanimation, Institut de Cardiologie, Groupe Hospitalier Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris, Sorbonne-Université, and INSERM, UMRS_1166-ICAN Institute of Cardiometabolism and Nutrition, Paris, France
| | - Jean-Bernard Michotte
- School of Health Sciences (HESAV), HES-SO University of Applied Sciences and Arts of Western Switzerland, Lausanne, Switzerland
| | - Qin Lu
- Department of Emergency Medicine, Second Affiliated Hospital, Zhejiang Province Clinical Research Center for Emergency and Critical Care Medicine, and Key Laboratory of the Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Gregory Reychler
- Secteur de Kinésithérapie et Ergothérapie, Cliniques Universitaires Saint-Luc, Brussels, Belgium
- Service de Pneumologie, Cliniques Universitaires Saint-Luc, Brussels, Belgium
- Institut de Recherche Expérimentale et Clinique (IREC), Pôle de Pneumologie, ORL and Dermatologie, Université Catholique de Louvain, Brussels, Belgium
| | | | | | - Jean-Jacques Rouby
- Research Department DMU DREAM and Multidisciplinary Intensive Care Unit, Department of Anesthesiology and Critical Care, La Pitié-Salpêtrière Hospital, Sorbonne University of Paris, Paris, France
| | - James B Fink
- Department of Cardiopulmonary Sciences, Division of Respiratory Care, Rush University, 600 S Paulina St, Suite 765, Chicago, IL, 60612, USA
- Chief Science Officer, Aerogen Pharma Corp, San Mateo, CA, USA
| | - Stephan Ehrmann
- CHRU Tours, Médecine Intensive Réanimation, CIC INSERM 1415, CRICS-TriggerSep F-CRIN Research Network, and INSERM, Centre d'étude des Pathologies Respiratoires, U1100, Université de Tours, Tours, France
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Dmour I, Islam N. Recent advances on chitosan as an adjuvant for vaccine delivery. Int J Biol Macromol 2021; 200:498-519. [PMID: 34973993 DOI: 10.1016/j.ijbiomac.2021.12.129] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/05/2021] [Accepted: 12/19/2021] [Indexed: 12/21/2022]
Abstract
Chitosan (CS) is a natural polymer derived from chitin that has wide applications in drugs, vaccines, and antigen delivery. The distinctive mucoadhesive, biocompatibility, biodegradable, and less toxic properties of chitosan compared to the currently used vaccine adjuvants made it a promising candidate for use as an adjuvant/carrier in vaccine delivery. In addition, chitosan exhibits intrinsic immunomodulating properties making it a suitable adjuvant in preparing vaccines delivery systems. Nanoparticles (NPs) of chitosan and its derivatives loaded with antigen have been shown to induce cellular and humoral responses. Versatility in the physicochemical properties of chitosan can provide an excellent opportunity to engineer antigen-specific adjuvant/delivery systems. This review discusses the recent advances of chitosan and its derivatives as adjuvants in vaccine deliveryand the published literature in the last fifteen years. The impact of physicochemical properties of chitosan on vaccine formulation has been described in detail. Applications of chitosan and its derivatives, their physicochemical properties, and mechanisms in enhancing immune responses have been discussed. Finally, challenges and future aspects of chitosan use has been pointed out.
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Affiliation(s)
- Isra Dmour
- Faculty of Pharmaceutical Sciences, The Hashemite University, Zarqa, Jordan.
| | - Nazrul Islam
- Pharmacy Discipline, School of Clinical Sciences, Faculty of Health, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; Centre for Immunology and Infection Control (CIIC), Queensland University of Technology (QUT), Brisbane, QLD, Australia
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Ke WR, Chang RYK, Kwok PCL, Tang P, Chen L, Chen D, Chan HK. Administration of dry powders during respiratory supports. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:596. [PMID: 33987294 DOI: 10.21037/atm-20-3946] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Inhaled drugs are routinely used for the treatment of respiratory-supported patients. To date, pressurized metered dose inhalers and nebulizers are the two platforms routinely employed in the clinical setting. The scarce utilization of the dry powder inhaler (DPI) platform is partly due to the lack of in vivo data that proves optimal delivery and drug efficacy are achievable. Additionally, fitting a DPI in-line to the respiratory circuit is not as straightforward as with the other aerosol delivery platforms. Importantly, there is a common misconception that the warm and humidified inspiratory air in respiratory supports, even for a short exposure, will deteriorate powder formulation compromising its delivery and efficacy. However, some recent studies have dispelled this myth, showing successful delivery of dry powders through the humidified circuit of respiratory supports. Compared with other aerosol delivery devices, the use of DPIs during respiratory supports possesses unique advantages such as rapid delivery and high dose. In this review, we presented in vitro studies showing various setups employing commercial DPIs and effects of ventilator parameters on the aerosol delivery. Inclusion of novel DPIs was also made to illustrate characteristics of an ideal inhaler that would give high lung dose with low powder deposition loss in tracheal tubes and respiratory circuits. Clinical trials are urgently needed to confirm the benefits of administration of dry powders in ventilated patients, thus enabling translation of powder delivery into practice.
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Affiliation(s)
- Wei-Ren Ke
- Advanced Drug Delivery Group, School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Rachel Yoon Kyung Chang
- Advanced Drug Delivery Group, School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Philip Chi Lip Kwok
- Advanced Drug Delivery Group, School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Patricia Tang
- Advanced Drug Delivery Group, School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
| | - Lan Chen
- Hangzhou Chance Pharmaceuticals, Hangzhou, China
| | - Donghao Chen
- Hangzhou Chance Pharmaceuticals, Hangzhou, China
| | - Hak-Kim Chan
- Advanced Drug Delivery Group, School of Pharmacy, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
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Bassetti M, Castaldo N, Carnelutti A. Neuraminidase inhibitors as a strategy for influenza treatment: pros, cons and future perspectives. Expert Opin Pharmacother 2019; 20:1711-1718. [PMID: 31169040 DOI: 10.1080/14656566.2019.1626824] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Introduction: Influenza represents a major public health threat worldwide. Implementation of good personal health and hygiene habits, together with vaccination, is the most effective tools to reduce influenza burden both in community and in healthcare setting. However, achieving adequate vaccination rates is challenging, and vaccination does not always guarantee complete protection. Neuraminidase inhibitors represent an important measure to reduce the risk of influenza-related complications among high-risk patients developing influenza infection. Areas covered: Neuraminidase inhibitors have been proven to be safe and effective in reducing influenza severity, duration of symptoms, hospitalizations, and influenza-related-mortality. Here the authors review the available data on neuraminidase inhibitors, including the mechanism of action, pharmacokinetics, efficacy, safety and current indications for their use in clinical practice. Expert opinion: Although vaccination is the most effective tool to reduce influenza-associated morbidity and mortality, neuraminidase inhibitors represent an important option for the treatment of patients with influenza infection, particularly in high-risk categories. Moreover, antivirals play an important role in influenza prevention and prophylaxis in selected settings.
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Affiliation(s)
- Matteo Bassetti
- Infectious Diseases Clinic, Department of Medicine University of Udine and Azienda Sanitaria Universitaria Integrata di Udine , Udine , Italy
| | - Nadia Castaldo
- Infectious Diseases Clinic, Department of Medicine University of Udine and Azienda Sanitaria Universitaria Integrata di Udine , Udine , Italy
| | - Alessia Carnelutti
- Infectious Diseases Clinic, Department of Medicine University of Udine and Azienda Sanitaria Universitaria Integrata di Udine , Udine , Italy
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ElHansy MHE, Boules ME, Farid H, Chrystyn H, El-Maraghi SK, Al-Kholy MB, El-Essawy AFM, Abdelrahman MM, Said ASA, Hussein RRS, Rabea H, Abdelrahim MEA. In vitro aerodynamic characteristics of aerosol delivered from different inhalation methods in mechanical ventilation. Pharm Dev Technol 2016; 22:844-849. [PMID: 27493018 DOI: 10.1080/10837450.2016.1221427] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Aerodynamic characteristics of aerosol delivery during invasive mechanical ventilation (IMV) are mostly determined by inserting cascade impactor in the circuit. Impactor might have some effect on airflow within IMV. Hence, the aim of the present study was to develop and evaluate new in vitro aerodynamic characterization methodology without affecting airflow in IMV. Breathing simulator was set in standard adult IMV circuit with inspiratory and expiratory pressures of 20 and 5 cm H2O, 1:3 inspiratory-expiratory ratio, 15 breaths min-1, and tidal volume of 500 ml. Two ml of salbutamol solution containing 10,000 μg was nebulized using three different vibrating mesh nebulizers (VMNs) and Sidestream jet nebulizer (JET). Sixteen-metered doses, containing 100 μg salbutamol each, were delivered using three different spacers. Each device was placed in inspiration limb of Y-piece of ventilator tubing. Aerodynamic characteristics of aerosol delivered were measured using cooled Andersen cascade impactor, with mixing inlet connected to it. VMNs used had significantly more total mass in the impactor (p < .001) and fine particle dose (p < .001) compared to JET. Spacers used had higher total mass in the impactor percent (p < .001) and fine particle fraction compared to nebulizers. The in vitro IMV methodology setting suggested here showed encouraging results in comparison of different aerosol delivery systems in intubated patient.
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Affiliation(s)
- Muhammad H E ElHansy
- a Department of Clinical Pharmacy, Teaching Hospital of Faculty of Medicine , Fayoum University , Fayoum , Egypt
| | - Marina E Boules
- b Department of Clinical Pharmacy, Faculty of Pharmacy , Beni-Suef University , Beni-Suef , Egypt
| | - Heba Farid
- c Department of Clinical Pharmacy, Teaching Hospital of Faculty of Medicine , Beni-Suef University , Beni-Suef , Egypt
| | - Henry Chrystyn
- d Inhalation Consultancy Ltd. , Leeds , UK.,e Faculty of Health and Human Sciences, Plymouth University , Plymouth , UK
| | - Sameh Kamal El-Maraghi
- f Department of Critical Care, Faculty of Medicine , Beni-Suef University , Beni-Suef , Egypt
| | - Mohamed Bakry Al-Kholy
- f Department of Critical Care, Faculty of Medicine , Beni-Suef University , Beni-Suef , Egypt
| | | | - Maha M Abdelrahman
- h Department of Analytical Chemistry, Faculty of Pharmacy , Beni-Suef University , Beni-Suef , Egypt
| | - Amira S A Said
- b Department of Clinical Pharmacy, Faculty of Pharmacy , Beni-Suef University , Beni-Suef , Egypt
| | - Raghda R S Hussein
- b Department of Clinical Pharmacy, Faculty of Pharmacy , Beni-Suef University , Beni-Suef , Egypt
| | - Hoda Rabea
- b Department of Clinical Pharmacy, Faculty of Pharmacy , Beni-Suef University , Beni-Suef , Egypt
| | - Mohamed E A Abdelrahim
- b Department of Clinical Pharmacy, Faculty of Pharmacy , Beni-Suef University , Beni-Suef , Egypt
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Parumasivam T, Chang RYK, Abdelghany S, Ye TT, Britton WJ, Chan HK. Dry powder inhalable formulations for anti-tubercular therapy. Adv Drug Deliv Rev 2016; 102:83-101. [PMID: 27212477 DOI: 10.1016/j.addr.2016.05.011] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 05/13/2016] [Accepted: 05/14/2016] [Indexed: 12/31/2022]
Abstract
Tuberculosis (TB) is an intracellular infectious disease caused by the airborne bacterium, Mycobacterium tuberculosis. Despite considerable research efforts, the treatment of TB continues to be a great challenge in part due to the requirement of prolonged therapy with multiple high-dose drugs and associated side effects. The delivery of pharmacological agents directly to the respiratory system, following the natural route of infection, represents a logical therapeutic approach for treatment or vaccination against TB. Pulmonary delivery is non-invasive, avoids first-pass metabolism in the liver and enables targeting of therapeutic agents to the infection site. Inhaled delivery also potentially reduces the dose requirement and the accompanying side effects. Dry powder is a stable formulation of drug that can be stored without refrigeration compared to liquids and suspensions. The dry powder inhalers are easy to use and suitable for high-dose formulations. This review focuses on the current innovations of inhalable dry powder formulations of drug and vaccine delivery for TB, including the powder production method, preclinical and clinical evaluations of inhaled dry powder over the last decade. Finally, the risks associated with pulmonary therapy are addressed. A novel dry powder formulation with high percentages of respirable particles coupled with a cost effective inhaler device is an appealing platform for TB drug delivery.
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Affiliation(s)
- Thaigarajan Parumasivam
- Advanced Drug Delivery Group, Faculty of Pharmacy, The University of Sydney, NSW 2006, Australia
| | - Rachel Yoon Kyung Chang
- Advanced Drug Delivery Group, Faculty of Pharmacy, The University of Sydney, NSW 2006, Australia
| | - Sharif Abdelghany
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, University of Jordan, Amman 1192, Jordan
| | - Tian Tian Ye
- Advanced Drug Delivery Group, Faculty of Pharmacy, The University of Sydney, NSW 2006, Australia
| | - Warwick John Britton
- Tuberculosis Research Program, Centenary Institute, The University of Sydney, NSW 2006, Australia; Infectious Diseases and Immunology, Sydney Medical School, The University of Sydney, NSW 2006, Australia
| | - Hak-Kim Chan
- Advanced Drug Delivery Group, Faculty of Pharmacy, The University of Sydney, NSW 2006, Australia.
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