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Hickey AJ, Maloney SE, Kuehl PJ, Phillips JE, Wolff RK. Practical Considerations in Dose Extrapolation from Animals to Humans. J Aerosol Med Pulm Drug Deliv 2024; 37:77-89. [PMID: 38237032 DOI: 10.1089/jamp.2023.0041] [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] [Indexed: 04/21/2024] Open
Abstract
Animal studies are an important component of drug product development and the regulatory review process since modern practices have been in place, for almost a century. A variety of experimental systems are available to generate aerosols for delivery to animals in both liquid and solid forms. The extrapolation of deposited dose in the lungs from laboratory animals to humans is challenging because of genetic, anatomical, physiological, pharmacological, and other biological differences between species. Inhaled drug delivery extrapolation requires scrutiny as the aerodynamic behavior, and its role in lung deposition is influenced not only by the properties of the drug aerosol but also by the anatomy and pulmonary function of the species in which it is being evaluated. Sources of variability between species include the formulation, delivery system, and species-specific biological factors. It is important to acknowledge the underlying variables that contribute to estimates of dose scaling between species.
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Affiliation(s)
- Anthony J Hickey
- Department of Technology Advancement and Commercialization, RTI International, Research Triangle Park, North Carolina, USA
| | - Sara E Maloney
- Department of Technology Advancement and Commercialization, RTI International, Research Triangle Park, North Carolina, USA
| | - Phillip J Kuehl
- Division: Scientific Core Laboratories; Lovelace Respiratory Research Institute, Albuquerque, New Mexico, USA
| | - Jonathan E Phillips
- Amgen, Inc., Inflammation Discovery Research, Thousand Oaks, California, USA
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Hong SW, Chang KH, Woo CJ, Kim HC, Kwak BS, Park BJ, Nam KC. Evaluation of antibody drug delivery efficiency via nebulizer in various airway models and breathing patterns. BMC Pharmacol Toxicol 2023; 24:70. [PMID: 38041207 PMCID: PMC10691028 DOI: 10.1186/s40360-023-00711-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 11/22/2023] [Indexed: 12/03/2023] Open
Abstract
BACKGROUND Nebulizers are commonly used to treat respiratory diseases, which are a major cause of morbidity and mortality. While inhalation therapy with antibodies has been evaluated in preclinical studies and clinical trials for respiratory diseases, it has not yet been approved for treatment. Moreover, there is limited information regarding the delivery efficiency of therapeutic antibodies via nebulizer. METHODS In this study, the nebulization characteristics and drug delivery efficiencies were compared when immunoglobulin G (IgG) was delivered by five nebulizers using two airway models and five breathing patterns. The study confirmed that the delivered dose and drug delivery efficiency were reduced in the child model compared to those in the adult model and in the asthma pattern compared to those in the normal breathing pattern. RESULTS The NE-SM1 NEPLUS vibrating mesh nebulizer demonstrated the highest delivery efficiency when calculated as a percentage of the loading dose, whereas the PARI BOY SX + LC SPRINT (breath-enhanced) jet nebulizer had the highest delivery efficiency when calculated as a percentage of the emitted dose. CONCLUSION The results suggest that the total inspiration volume, output rate, and particle size should be considered when IgG nebulization is used. We, therefore, propose a method for evaluating the efficiency of nebulizer for predicting antibody drug delivery.
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Affiliation(s)
- Soon Woo Hong
- Department of Medical Engineering, Dongguk University College of Medicine, Goyang-si, 10326, Gyeonggi-do, Korea
| | - Kyung Hwa Chang
- Department of Medical Engineering, Dongguk University College of Medicine, Goyang-si, 10326, Gyeonggi-do, Korea
| | - Chang Jae Woo
- Department of Medical Engineering, Dongguk University College of Medicine, Goyang-si, 10326, Gyeonggi-do, Korea
- Office of Technology Transfer, National Cancer Center, Goyang-si, 10408, Gyeonggi-do, Korea
| | - Ho Chul Kim
- Department of Radiological Science, Eulji University, Seongnam-si, 13135, Gyeonggi-do, Korea
| | - Bong Seop Kwak
- Department of Medical Engineering, Dongguk University College of Medicine, Goyang-si, 10326, Gyeonggi-do, Korea
| | - Bong Joo Park
- Department of Electrical & Biological Physics and Institute of Biomaterials, Kwangwoon University, Seoul, 01897, Korea
| | - Ki Chang Nam
- Department of Medical Engineering, Dongguk University College of Medicine, Goyang-si, 10326, Gyeonggi-do, Korea.
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Chang Z, Wang W, Huang Z, Huang Y, Wu C, Pan X. Lecithin Reverse Micelle System is Promising in Constructing Carrier Particles for Protein Drugs Encapsulated Pressurized Metered‐Dose Inhalers. ADVANCED THERAPEUTICS 2023; 6. [DOI: 10.1002/adtp.202300046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Indexed: 06/25/2024]
Abstract
AbstractProtein drugs contained within pressurized metered dose inhalers (pMDIs) show immense potential for fundamental research and industrial applications, owing to their high bioavailability, convenient administration, and cost‐effectiveness. To deliver protein drugs efficiently, researchers have reached a consensus on the use of carrier particles. However, the main obstacle impeding the commercial availability of pMDI carrier particles is their low stability. This instability is primarily attributed to particle aggregation caused by the Ostwald ripening phenomenon and chemical degradation by water sensitivity of protein drugs. This study proposes the utilization of lecithin, a carrier material possessing an amphiphilic structure, to overcome this bottleneck. By constructing lecithin‐based reverse micelle systems with protein drugs encapsulated within the high‐polarity microdomain, this work anticipates an improvement in the stability of carrier particles within pMDIs. Specifically, the formation of crystalline phases in the reverse micelle systems can control carrier particle size through crystalline self‐limiting effect, preventing particle aggregation. Additionally, the low‐polarity microdomain of the carrier serves as a hydrophobic barrier, shielding protein drugs from water and preventing chemical degradation. Consequently, this work believes that the lecithin‐based reverse micelle system holds significant potential in providing new theoretical insights and experimental support for the advancement of pMDIs containing protein drugs.
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Affiliation(s)
- Ziyao Chang
- School of Pharmaceutical Sciences Sun Yat‐Sen University Guangzhou Guangdong 510006 P. R. China
| | - Wenhao Wang
- School of Pharmaceutical Sciences Sun Yat‐Sen University Guangzhou Guangdong 510006 P. R. China
| | - Zhengwei Huang
- College of Pharmacy Jinan University Guangzhou Guangdong 511443 P. R. China
| | - Ying Huang
- College of Pharmacy Jinan University Guangzhou Guangdong 511443 P. R. China
| | - Chuanbin Wu
- College of Pharmacy Jinan University Guangzhou Guangdong 511443 P. R. China
| | - Xin Pan
- School of Pharmaceutical Sciences Sun Yat‐Sen University Guangzhou Guangdong 510006 P. R. China
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MacLoughlin R, Martin-Loeches I. Not all nebulizers are created equal: Considerations in choosing a nebulizer for aerosol delivery during mechanical ventilation. Expert Rev Respir Med 2023; 17:131-142. [PMID: 36803134 DOI: 10.1080/17476348.2023.2183194] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
INTRODUCTION Aerosol therapy is commonly prescribed in the mechanically ventilated patient. Jet nebulizers (JN) and vibrating mesh nebulizers (VMN) are the most common nebulizer types, however, despite VMN's well established superior performance, JN use remains the most commonly used of the two. In this review, we describe the key differentiators between nebulizer types and how considered selection of nebulizer type may enable successful therapy and the optimization of drug/device combination products. AREAS COVERED Following a review of the published literature up to February 2023, the current state of the art in relation to JN and VMN is discussed under the headings of in vitro performance of nebulizers during mechanical ventilation, respective compatibility with formulations for inhalation, clinical trials making use of VMN during mechanical ventilation, distribution of nebulized aerosol throughout the lung, measuring the respective performance of nebulizers in the patient and non-drug delivery considerations in nebulizer choice. EXPERT OPINION Whether for standard care, or the development of drug/device combination products, the choice of nebulizer type should not be made without consideration of the unique needs of the combination of each of drug, disease and patient types, as well as target site for deposition, and healthcare professional and patient safety.
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Affiliation(s)
- Ronan MacLoughlin
- Research and Development, Science and Emerging Technologies, Aerogen Ltd, Dangan, Ireland.,School of Pharmacy and Pharmaceutical Sciences, Trinity College, Dublin, Ireland.,School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland (RCSI), Dublin, Ireland
| | - Ignacio Martin-Loeches
- Department of Intensive Care Medicine, Multidisciplinary Intensive Care Research Organization (MICRO), Dublin, Ireland
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Paton S, Clark S, Spencer A, Garratt I, Dinesh I, Thompson KA, Bennett A, Pottage T. Characterisation of Particle Size and Viability of SARS-CoV-2 Aerosols from a Range of Nebuliser Types Using a Novel Sampling Technique. Viruses 2022; 14:v14030639. [PMID: 35337046 PMCID: PMC8950415 DOI: 10.3390/v14030639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/07/2022] [Accepted: 03/17/2022] [Indexed: 11/16/2022] Open
Abstract
Little is understood about the impact of nebulisation on the viability of SARS-CoV-2. In this study, a range of nebulisers with differing methods of aerosol generation were evaluated to determine SARS-CoV-2 viability following aerosolization. The aerosol particle size distribution was assessed using an aerosol particle sizer (APS) and SARS-CoV-2 viability was determined after collection into liquid media using All-Glass Impingers (AGI). Viable particles of SARS-CoV-2 were further characterised using the Collison 6-jet nebuliser in conjunction with novel sample techniques in an Andersen size-fractioning sampler to predict lung deposition profiles. Results demonstrate that all the tested nebulisers can generate stable, polydisperse aerosols (Geometric standard deviation (GSD) circa 1.8) in the respirable range (1.2 to 2.2 µm). Viable fractions (VF, units PFU/particle, the virus viability as a function of total particles produced) were circa 5 × 10-3. VF and spray factors were not significantly affected by relative humidity, within this system where aerosols were in the spray tube an extremely short time. The novel Andersen sample collection methods successfully captured viable virus particles across all sizes; with most particle sizes below 3.3 µm. Particle sizes, in MMAD (Mass Median Aerodynamic Diameters), were calculated from linear regression of log10-log10 transformed cumulative PFU data, and calculated MMADs accorded well with APS measurements and did not differ across collection method types. These data will be vital in informing animal aerosol challenge models, and infection prevention and control policies.
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Tseng HY, Lin HL, Chiang HS. In Vitro Evaluation of Aerosol Delivery by Hand-Held Mesh Nebulizers in an Adult Spontaneous Breathing Lung Model. J Aerosol Med Pulm Drug Deliv 2021; 35:83-90. [PMID: 34647814 DOI: 10.1089/jamp.2021.0010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Background: Drug inhalation is common mode of treatment for chronic obstructive pulmonary disease (COPD). The aim of this study was to evaluate the efficiency of aerosol devices in a simulated COPD adult lung model using five commercially available hand-held mesh nebulizers. Materials and Methods: Five nebulizers (PARI VELOX®, Omron NE-U22, Aeroneb® Go, APEX PY001, and Pocket Air®) were tested with a unit dose of 5.0 mg/2.5 mL salbutamol. An in vitro lung model (compliance: 0.06 L/cm H2O, resistance: 20 cm H2O/L/sec) was constructed to simulate parameters (tidal volume of 500 mL, respiratory rate of 15 breaths/min, inspiratory time of 1 second) of an adult patient with COPD. A bacterial filter was attached at the bronchi level for drug collection, referring as inhaled mass. After nebulization, the inhaled mass (%), dose remaining on each component (%), particle size characteristics, and nebulizer performances were analyzed. Particle size characteristics were analyzed using an 8-stage Anderson Cascade Impactor. The salbutamol particles deposited were eluted and analyzed using a spectrophotometer at 276 nm. The inhaled mass (%), dose remaining on each component (%), particle size distribution, and nebulizer performance were statistically analyzed using analysis of variance (ANOVA) with Sheffee post hoc tests. Results: Pocket Air and APEX PY001 showed the greatest inhaled mass and the lowest dose in the mouthpiece connection. The largest and smallest mass median aerodynamic diameters were found with Omron NE-U22 and PARI VELOX, respectively. In addition, the output rate and inhaled aerosol rate (IAR) of PARI VELOX were higher than those of other nebulizers. Conclusions: This study showed that the performance of commercially available mesh nebulizers varied. Aerosol particles deposited on different auxiliary equipment directly influenced the output rate and IAR of the mesh nebulizer. Clinical validation of the drug IAR is necessary to avoid overdose and reduce drug wastage.
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Affiliation(s)
- Hui-Yun Tseng
- Department of Chemistry, and Graduate Institute of Biomedical and Pharmaceutical Science, Fu Jen Catholic University, New Taipei City, Taiwan.,Department of Respiratory Therapy, Fu Jen Catholic University, New Taipei City, Taiwan.,Department of Respiratory Therapy, Collage of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Hui-Ling Lin
- Department of Respiratory Therapy, Collage of Medicine, Chang Gung University, Taoyuan, Taiwan.,Department of Respiratory Care, Chang Gung University of Science and Technology, Chiayi, Taiwan
| | - Han-Sun Chiang
- Graduate Institute of Biomedical and Pharmaceutical Science, Fu Jen Catholic University, New Taipei City, Taiwan
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Pramanik S, Mohanto S, Manne R, Rajendran RR, Deepak A, Edapully SJ, Patil T, Katari O. Nanoparticle-Based Drug Delivery System: The Magic Bullet for the Treatment of Chronic Pulmonary Diseases. Mol Pharm 2021; 18:3671-3718. [PMID: 34491754 DOI: 10.1021/acs.molpharmaceut.1c00491] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Chronic pulmonary diseases encompass different persistent and lethal diseases, including chronic obstructive pulmonary disease (COPD), idiopathic pulmonary fibrosis (IPF), cystic fibrosis (CF), asthma, and lung cancers that affect millions of people globally. Traditional pharmacotherapeutic treatment approaches (i.e., bronchodilators, corticosteroids, chemotherapeutics, peptide-based agents, etc.) are not satisfactory to cure or impede diseases. With the advent of nanotechnology, drug delivery to an intended site is still difficult, but the nanoparticle's physicochemical properties can accomplish targeted therapeutic delivery. Based on their surface, size, density, and physical-chemical properties, nanoparticles have demonstrated enhanced pharmacokinetics of actives, achieving the spotlight in the drug delivery research field. In this review, the authors have highlighted different nanoparticle-based therapeutic delivery approaches to treat chronic pulmonary diseases along with the preparation techniques. The authors have remarked the nanosuspension delivery via nebulization and dry powder carrier is further effective in the lung delivery system since the particles released from these systems are innumerable to composite nanoparticles. The authors have also outlined the inhaled particle's toxicity, patented nanoparticle-based pulmonary formulations, and commercial pulmonary drug delivery devices (PDD) in other sections. Recently advanced formulations employing nanoparticles as therapeutic carriers for the efficient treatment of chronic pulmonary diseases are also canvassed.
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Affiliation(s)
- Sheersha Pramanik
- Department of Pharmacy, Institute of Pharmacy Jalpaiguri, Netaji Subhas Chandra Bose Road, Hospital Para, Jalpaiguri, West Bengal 735101, India.,Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600036, India
| | - Sourav Mohanto
- Department of Pharmaceutics, Himalayan Pharmacy Institute, Majhitar, East Sikkim 737176, India.,Department of Pharmaceutics, Yenepoya Pharmacy College and Research Centre, Yenepoya, Mangalore, Karnataka 575018, India
| | - Ravi Manne
- Quality Control and Assurance Department, Chemtex Environmental Lab, 3082 25th Street, Port Arthur, Texas 77642, United States
| | - Rahul R Rajendran
- Department of Mechanical Engineering and Mechanics, Lehigh University, 19 Memorial Drive West, Bethlehem, Pennsylvania 18015, United States
| | - A Deepak
- Saveetha Institute of Medical and Technical Sciences, Saveetha School of Engineering, Chennai, Tamil Nadu 600128, India
| | - Sijo Joy Edapully
- School of Biotechnology, National Institute of Technology Calicut, NIT campus, Kozhikode, Kerala 673601, India.,Corporate Head Office, HLL Lifecare Limited, Poojappura, Thiruvananthapuram, Kerala 695012, India
| | - Triveni Patil
- Department of Pharmaceutics, Bharati Vidyapeeth Deemed University, Poona College of Pharmacy, Erandwane, Pune, Maharashtra 411038, India
| | - Oly Katari
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Sila Katamur (Halugurisuk), Changsari, Kamrup, Guwahati, Assam 781101, India
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8
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Park HM, Chang KH, Moon SH, Park BJ, Yoo SK, Nam KC. In vitro delivery efficiencies of nebulizers for different breathing patterns. Biomed Eng Online 2021; 20:59. [PMID: 34112170 PMCID: PMC8194228 DOI: 10.1186/s12938-021-00895-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 06/03/2021] [Indexed: 11/29/2022] Open
Abstract
Background Nebulizers are medical devices that deliver aerosolized medication directly to lungs to treat a variety of respiratory diseases. However, breathing patterns, respiration rates, airway diameters, and amounts of drugs delivered by nebulizers may be respiratory disease dependent. Method In this study, we developed a respiratory simulator consisting of an airway model, an artificial lung, a flow sensor, and an aerosol collecting filter. Various breathing patterns were generated using a linear actuator and an air cylinder. We tested six home nebulizers (jet (2), static (2), and vibrating mesh nebulizers (2)). Nebulizers were evaluated under two conditions, that is, for the duration of nebulization and at a constant output 1.3 mL using four breathing patterns, namely, the breathing pattern specified in ISO 27427:2013, normal adult, asthmatic, and COPD. Results One of the vibrating mesh nebulizers had the highest dose delivery efficiency. The drug delivery efficiencies of nebulizers were found to depend on breathing patterns. Conclusion We suggest a quantitative drug delivery efficiency evaluation method and calculation parameters that include considerations of constant outputs and residual volumes. The study shows output rates and breathing patterns should be considered when the drug delivery efficiencies of nebulizers are evaluated.
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Affiliation(s)
- Hyun Mok Park
- Department of Medical Engineering, Dongguk University College of Medicine, Goyang, South Korea.,Graduate Program of Biomedical Engineering, Yonsei University, Seoul, South Korea
| | - Kyung Hwa Chang
- Department of Medical Engineering, Dongguk University College of Medicine, Goyang, South Korea
| | - Sang-Hyub Moon
- Department of Medical Engineering, Dongguk University College of Medicine, Goyang, South Korea.,Graduate Program of Biomedical Engineering, Yonsei University, Seoul, South Korea
| | - Bong Joo Park
- Department of Electrical & Biological Physics, Kwangwoon University, Seoul, South Korea.,Institute of Biomaterials, Kwangwoon University, Seoul, South Korea
| | - Sun Kook Yoo
- Graduate Program of Biomedical Engineering, Yonsei University, Seoul, South Korea. .,Department of Medical Engineering, Yonsei University College of Medicine, Seoul, South Korea.
| | - Ki Chang Nam
- Department of Medical Engineering, Dongguk University College of Medicine, Goyang, South Korea.
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Wang W, Huang Z, Xue K, Li J, Wang W, Ma J, Ma C, Bai X, Huang Y, Pan X, Wu C. Development of Aggregation-Caused Quenching Probe-Loaded Pressurized Metered-Dose Inhalers with Fluorescence Tracking Potentials. AAPS PharmSciTech 2020; 21:296. [PMID: 33099699 DOI: 10.1208/s12249-020-01782-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 08/11/2020] [Indexed: 02/07/2023] Open
Abstract
Recently, pressurized metered-dose inhalers (pMDIs) are getting more attention as an effective approach of pulmonary drug delivery, and nanoparticle-based formulations have become a new generation of pMDIs, especially for water insoluble drugs. Up until now, there is no clinical application of nanoparticle-based pMDIs. The main hurdle remains in the lack of knowledge of the in vivo fate of those systems. In this study, a fluorescent probe named P4 with aggregation-caused quenching (ACQ) effect was loaded in the nanoparticle-based pMDIs to track the in vivo fate. P4 probe expressed strong fluorescence when distributed in intact nanoparticles, but quenched in the in vivo aqueous environment due to molecular aggregation. Experimentally, P4 probe was encapsulated into solid lipid nanoparticles (SLN) as P4-SLN, and then, the formulation of pMDIs was optimized. The content (w/w) of the optimal formulation (P4-SLN-pMDIs) was as follows: 6.02% Pluronic® L64, 12.03% ethanol, 0.46% P4-SLN, and 81.49% 1,1,1,2-tetrafluoroethane (HFA-134a). P4-SLN-pMDI was transparent in appearance, possessed a particle size of 132.07 ± 3.56 nm, and the fine particle fraction (FPF) was 39.53 ± 1.94%, as well good stability was shown within 10 days. The results indicated P4-SLN-pMDI was successfully prepared. Moreover, the ACQ property of P4-SLN-pMDIs was verified, which ensured the fluorescence property as a credible tool for in vivo fate study. Taken together, this work established a platform that could provide a firm theoretical support for exploration of the in vivo fate of nanoparticle-based pMDIs in subsequent studies. Grapical abstract.
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