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Dugernier J, Le Pennec D, Maerckx G, Allimonnier L, Hesse M, Castanares-Zapatero D, Depoortere V, Vecellio L, Reychler G, Michotte JB, Goffette P, Docquier MA, Raftopoulos C, Jamar F, Laterre PF, Ehrmann S, Wittebole X. Inhaled drug delivery: a randomized study in intubated patients with healthy lungs. Ann Intensive Care 2023; 13:125. [PMID: 38072870 PMCID: PMC10710976 DOI: 10.1186/s13613-023-01220-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 11/24/2023] [Indexed: 06/26/2024] Open
Abstract
BACKGROUND The administration technique for inhaled drug delivery during invasive ventilation remains debated. This study aimed to compare in vivo and in vitro the deposition of a radiolabeled aerosol generated through four configurations during invasive ventilation, including setups optimizing drug delivery. METHODS Thirty-one intubated postoperative neurosurgery patients with healthy lungs were randomly assigned to four configurations of aerosol delivery using a vibrating-mesh nebulizer and specific ventilator settings: (1) a specific circuit for aerosol therapy (SCAT) with the nebulizer placed at 30 cm of the wye, (2) a heated-humidified circuit switched off 30 min before the nebulization or (3) left on with the nebulizer at the inlet of the heated-humidifier, (4) a conventional circuit with the nebulizer placed between the heat and moisture exchanger filter and the endotracheal tube. Aerosol deposition was analyzed using planar scintigraphy. RESULTS A two to three times greater lung delivery was measured in the SCAT group, reaching 19.7% (14.0-24.5) of the nominal dose in comparison to the three other groups (p < 0.01). Around 50 to 60% of lung doses reached the outer region of both lungs in all groups. Drug doses in inner and outer lung regions were significantly increased in the SCAT group (p < 0.01), except for the outer right lung region in the fourth group due to preferential drug trickling from the endotracheal tube and the trachea to the right bronchi. Similar lung delivery was observed whether the heated humidifier was switched off or left on. Inhaled doses measured in vitro correlated with lung doses (R = 0.768, p < 0.001). CONCLUSION Optimizing the administration technique enables a significant increase in inhaled drug delivery to the lungs, including peripheral airways. Before adapting mechanical ventilation, studies are required to continue this optimization and to assess its impact on drug delivery and patient outcome in comparison to more usual settings.
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Affiliation(s)
- Jonathan Dugernier
- Soins Intensifs, Cliniques Universitaires Saint-Luc, 1200, Brussels, Belgium.
- Institut de Recherche Expérimentale et Clinique (IREC), Pôle de Pneumologie, ORL et Dermatologie, Université Catholique de Louvain, 1200, Brussels, Belgium.
- Physiothérapie, Département des Thérapies, Hôpital Pourtales, Réseau Hospitalier Neuchâtelois, 2000, Neuchâtel, Switzerland.
- Haute École Arc Santé, HES-SO, University of Applied Sciences and Arts of Western Switzerland, 2000, Neuchâtel, Switzerland.
| | - Déborah Le Pennec
- Centre d'Etude des Pathologies Respiratoires, INSERM U1100, Faculté de médecine, Université de Tours, Tours, France
| | - Guillaume Maerckx
- Soins Intensifs, Cliniques Universitaires Saint-Luc, 1200, Brussels, Belgium
- Institut de Recherche Expérimentale et Clinique (IREC), Pôle de Pneumologie, ORL et Dermatologie, Université Catholique de Louvain, 1200, Brussels, Belgium
- Secteur de Kinésithérapie et Ergothérapie, Cliniques Universitaires Saint-Luc, 1200, Brussels, Belgium
| | - Laurine Allimonnier
- Centre d'Etude des Pathologies Respiratoires, INSERM U1100, Faculté de médecine, Université de Tours, Tours, France
| | - Michel Hesse
- Médecine Nucléaire, Cliniques Universitaires Saint-Luc, 1200, Brussels, Belgium
| | | | - Virginie Depoortere
- Médecine Nucléaire, Cliniques Universitaires Saint-Luc, 1200, Brussels, Belgium
| | - Laurent Vecellio
- Centre d'Etude des Pathologies Respiratoires, INSERM U1100, Faculté de médecine, Université de Tours, Tours, France
| | - Gregory Reychler
- Institut de Recherche Expérimentale et Clinique (IREC), Pôle de Pneumologie, ORL et Dermatologie, Université Catholique de Louvain, 1200, Brussels, Belgium
- Secteur de Kinésithérapie et Ergothérapie, Cliniques Universitaires Saint-Luc, 1200, Brussels, Belgium
- Pneumologie, Cliniques Universitaires Saint-Luc, 1200, Brussels, Belgium
| | - Jean-Bernard Michotte
- School of Health Sciences (HESAV), HES-SO, University of Applied Sciences and Arts of Western Switzerland, 1011, Lausanne, Switzerland
| | - Pierre Goffette
- Radiologie Interventionnelle, Cliniques Universitaires Saint-Luc, 1200, Brussels, Belgium
| | | | | | - François Jamar
- Médecine Nucléaire, Cliniques Universitaires Saint-Luc, 1200, Brussels, Belgium
| | | | - Stephan Ehrmann
- Centre d'Etude des Pathologies Respiratoires, INSERM U1100, Faculté de médecine, Université de Tours, Tours, France
- CHRU Tours, Médecine Intensive Réanimation, CIC INSERM 1415, CRICS-TriggerSep F-CRIN Research Network, Tours, France
- Université de Tours, Tours, France
| | - Xavier Wittebole
- Soins Intensifs, Cliniques Universitaires Saint-Luc, 1200, Brussels, Belgium
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Usmani O, Li G, De Backer J, Sadafi H, Wu L, Marshall J. Modeled small airways lung deposition of two fixed-dose triple therapy combinations assessed with in silico functional respiratory imaging. Respir Res 2023; 24:226. [PMID: 37742015 PMCID: PMC10517457 DOI: 10.1186/s12931-023-02534-y] [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: 06/15/2023] [Accepted: 09/08/2023] [Indexed: 09/25/2023] Open
Abstract
BACKGROUND Small airways disease plays a key role in the pathogenesis of chronic obstructive pulmonary disease (COPD) and is a major cause of obstruction; therefore, it is a critical pharmacotherapy target. This study evaluated lung deposition of two inhaled corticosteroid (ICS)/long-acting β2-agonist/long-acting muscarinic antagonist single-inhaler triple therapies using in silico functional respiratory imaging (FRI). Deposition was assessed using real-world inhalation profiles simulating everyday use where optimal inhalation may be compromised. METHODS Three-dimensional airway models were produced from 20 patients with moderate-to-very severe COPD. Total, central, and regional small airways deposition as a percentage of delivered dose of budesonide/glycopyrronium/formoterol fumarate dihydrate (BGF) 160/7.2/5 µg per actuation and fluticasone furoate/umeclidinium/vilanterol (FF/UM/VI) 100/62.5/25 µg were evaluated using in silico FRI based on in vitro aerodynamic particle size distributions of each device. Simulations were performed using multiple inhalation profiles of varying durations and flow rates representing patterns suited for a pressurized metered-dose inhaler or dry-powder inhaler (four for BGF, two for FF/UM/VI, with one common profile). For the common profile, deposition for BGF versus FF/UM/VI was compared post-hoc using paired t-tests. RESULTS Across inhalation profiles, mean total lung deposition was consistently higher with BGF (47.0-54.1%) versus FF/UM/VI (20.8-22.7%) and for each treatment component, with greater deposition for BGF also seen in the central large airways. Mean regional small airways deposition was also greater across inhalation profiles with BGF (16.9-23.6%) versus FF/UM/VI (6.8-8.7%) and for each treatment component. For the common profile, total, central, and regional small airways deposition were significantly greater for BGF versus FF/UM/VI (nominal p < 0.001), overall and for treatment components; notably, regional small airways deposition of the ICS components was approximately five-fold greater with budesonide versus fluticasone furoate (16.1% vs. 3.3%). CONCLUSIONS BGF was associated with greater total, central, and small airways deposition for all components versus FF/UM/VI. Importantly, using an identical inhalation profile, there was an approximately five-fold difference in small airways deposition for the ICS components, with only a small percentage of the ICS from FF/UM/VI reaching the small airways. Further research is needed to understand if the enhanced delivery of BGF translates to clinical benefits.
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Affiliation(s)
- Omar Usmani
- Imperial College London and Royal Brompton Hospital, London, UK
| | - Grace Li
- AstraZeneca, South San Francisco, CA, USA
| | | | | | - Libo Wu
- AstraZeneca, Durham, NC, USA
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Erdelyi T, Lazar Z, Farkas Á, Furi P, Nagy A, Müller V. Modeling of pulmonary deposition of agents of open and fixed dose triple combination therapies through two different low-resistance inhalers in COPD: a pilot study. Front Med (Lausanne) 2023; 10:1065072. [PMID: 37215734 PMCID: PMC10196142 DOI: 10.3389/fmed.2023.1065072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 04/10/2023] [Indexed: 05/24/2023] Open
Abstract
Introduction Inhalation therapy is a cornerstone of treating patients with chronic obstructive pulmonary disease (COPD). Inhaler devices might influence the effectiveness of inhalation therapy. We aimed to model and compare the deposition of acting agents of an open and a fixed dose combination (FDC) triple therapy and examine their repeatability. Methods We recruited control subjects (Controls, n = 17) and patients with stable COPD (S-COPD, n = 13) and those during an acute exacerbation (AE-COPD, n = 12). Standard spirometry was followed by through-device inhalation maneuvers using a pressurized metered dose inhaler (pMDI) and a soft mist inhaler (SMI) to calculate deposition of fixed dose and open triple combination therapies by numerical modeling. Through-device inspiratory vital capacity (IVCd) and peak inspiratory flow (PIFd), as well as inhalation time (tin) and breath hold time (tbh) were used to calculate pulmonary (PD) and extrathoracic deposition (ETD) values. Deposition was calculated from two different inhalation maneuvers. Results There was no difference in forced expiratory volume in 1 s (FEV1) between patients (S-COPD: 42 ± 5% vs. AE-COPD: 35 ± 5% predicted). Spiriva® Respimat® showed significantly higher PD and lower ETD values in all COPD patients and Controls compared with the two pMDIs. For Foster® pMDI and Trimbow® pMDI similar PD were observed in Controls, while ETD between Controls and AE-COPD patients did significantly differ. There was no difference between COPD groups regarding the repeatability of calculated deposition values. Ranking the different inhalers by differences between the two deposition values calculated from separate maneuvers, Respimat® produced the smallest inter-measurement differences for PD. Discussion Our study is the first to model and compare PD using pMDIs and an SMI as triple combination in COPD. In conclusion, switching from FDC to open triple therapy in cases when adherence to devices is maintanined may contribute to better therapeutic effectiveness in individual cases using low resistance inhalers.
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Affiliation(s)
- Tamas Erdelyi
- Department of Pulmonology, Semmelweis University, Budapest, Hungary
| | - Zsofia Lazar
- Department of Pulmonology, Semmelweis University, Budapest, Hungary
| | - Árpád Farkas
- Environmental Physics Department, Centre for Energy Research, Budapest, Hungary
| | - Peter Furi
- Environmental Physics Department, Centre for Energy Research, Budapest, Hungary
| | - Attila Nagy
- Department of Applied and Nonlinear Optics, Wigner Research Centre for Physics, Budapest, Hungary
| | - Veronika Müller
- Department of Pulmonology, Semmelweis University, Budapest, Hungary
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Munir M, Setiawan H, Awaludin R, Kett VL. Aerosolised micro and nanoparticle: formulation and delivery method for lung imaging. Clin Transl Imaging 2023; 11:33-50. [PMID: 36196096 PMCID: PMC9521863 DOI: 10.1007/s40336-022-00527-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 09/26/2022] [Indexed: 02/07/2023]
Abstract
Purpose The application of contrast and tracing agents is essential for lung imaging, as indicated by the wide use in recent decades and the discovery of various new contrast and tracing agents. Different aerosol production and pulmonary administration methods have been developed to improve lung imaging quality. This review details and discusses the ideal characteristics of aerosol administered via pulmonary delivery for lung imaging and the methods for the production and pulmonary administration of dry or liquid aerosol. Methods We explored several databases, including PubMed, Scopus, and Google Scholar, while preparing this review to discover and obtain the abstracts, reports, review articles, and research papers related to aerosol delivery for lung imaging and the formulation and pulmonary delivery method of dry and liquid aerosol. The search terms used were "dry aerosol delivery", "liquid aerosol delivery", "MRI for lung imaging", "CT scan for lung imaging", "SPECT for lung imaging", "PET for lung imaging", "magnetic particle imaging", "dry powder inhalation", "nebuliser", and "pressurised metered-dose inhaler". Results Through the literature review, we found that the critical considerations in aerosol delivery for lung imaging are appropriate lung deposition of inhaled aerosol and avoiding toxicity. The important tracing agent was also found to be Technetium-99m (99mTc), Gallium-68 (68Ga) and superparamagnetic iron oxide nanoparticle (SPION), while the essential contrast agents are gold, iodine, silver gadolinium, iron and manganese-based particles. The pulmonary delivery of such tracing and contrast agents can be performed using dry formulation (graphite ablation, spark ignition and spray dried powder) and liquid aerosol (nebulisation, pressurised metered-dose inhalation and air spray). Conclusion A dual-imaging modality with the combination of different tracing or contrast agents is a future development of aerosolised micro and nanoparticles for lung imaging to improve diagnosis success. Graphical abstract
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Affiliation(s)
- Miftakul Munir
- Research Center for Radioisotope Radiopharmaceutical and Biodosimetry Technology, National Research and Innovation Agency, South Tangerang, 15345 Indonesia
| | - Herlan Setiawan
- Research Center for Radioisotope Radiopharmaceutical and Biodosimetry Technology, National Research and Innovation Agency, South Tangerang, 15345 Indonesia
| | - Rohadi Awaludin
- Research Center for Radioisotope Radiopharmaceutical and Biodosimetry Technology, National Research and Innovation Agency, South Tangerang, 15345 Indonesia
| | - Vicky L. Kett
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT9 7BL UK
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Matera MG, Rinaldi B, Belardo C, Calzetta L, Cazzola M. Pharmacokinetic considerations surrounding triple therapy for uncontrolled asthma. Expert Opin Drug Metab Toxicol 2023; 19:345-355. [PMID: 37376964 DOI: 10.1080/17425255.2023.2230130] [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: 12/28/2022] [Revised: 04/12/2023] [Accepted: 06/23/2023] [Indexed: 06/29/2023]
Abstract
INTRODUCTION Solid pharmacological rationale and clinical evidence support the use of a combination of an inhaled corticosteroid (ICS), a long-acting β2-agonist, and a long-acting muscarinic antagonist in severe asthma, which clinically results in increased lung function, improved symptoms, and decreased exacerbation rates. AREAS COVERED We examined the pharmacokinetic issues associated with triple therapy for uncontrolled asthma. We considered the pharmacokinetic characteristics of the three drug classes, the role of inhalers in influencing their pharmacokinetic behavior, and the impact of severe asthma on the pharmacokinetics of inhaled drugs. EXPERT OPINION The pharmacokinetics of ICSs and bronchodilators are not affected to a great extent by severe asthma, according to a detailed review of the currently accessible literature. Compared to healthy people, patients with severe asthma show only minor variations in a few pharmacokinetic characteristics, which are unlikely to have therapeutic significance and do not require particular attention. However, the difficulty of obtaining pharmacokinetic profiles of the three drugs included in a triple therapy suggests that the clinical response should be followed over time, which can be considered a good surrogate indicator of whether the drugs have reached sufficient concentrations in the lung to exert a valid pharmacological action.
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Affiliation(s)
- Maria Gabriella Matera
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania 'Luigi Vanvitelli', Naples, Italy
| | - Barbara Rinaldi
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania 'Luigi Vanvitelli', Naples, Italy
| | - Carmela Belardo
- Unit of Pharmacology, Department of Experimental Medicine, University of Campania 'Luigi Vanvitelli', Naples, Italy
| | - Luigino Calzetta
- Unit of Respiratory Disease and Lung Function, Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Mario Cazzola
- Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome 'Tor Vergata', Rome, Italy
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Cottini M, Lombardi C, Passalacqua G, Bagnasco D, Berti A, Comberiati P, Imeri G, Landi M, Heffler E. Small Airways: The “Silent Zone” of 2021 GINA Report? Front Med (Lausanne) 2022; 9:884679. [PMID: 35677830 PMCID: PMC9168121 DOI: 10.3389/fmed.2022.884679] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 04/20/2022] [Indexed: 01/08/2023] Open
Abstract
Asthma is a chronic disease, affecting approximately 350 million people worldwide. Inflammation and remodeling in asthma involve the large airways, and it is now widely accepted that the small airways (those with an internal diameter <2 mm) are involved in the pathogenesis of asthma and are the major determinant of airflow obstruction in this disease. From a clinical perspective, small airways dysfunction (SAD) is associated with more severe bronchial hyperresponsiveness, worse asthma control and more exacerbations. Unlike the GOLD guidelines which, in their definition, identify COPD as a disease of the small airways, the Global Initiative for Asthma (GINA) guidelines do not refer to the prevalence and role of SAD in asthmatic patients. This decision seems surprising, given the growing body of compelling evidence accumulating pointing out the high prevalence of SAD in asthmatic patients and the importance of SAD in poor asthma control. Furthermore, and remarkably, SAD appears to possess the characteristics of a treatable pulmonary trait, making it certainly appealing for asthma control optimization and exacerbation rate reduction. In this mini-review article, we address the most recent evidence on the role of SAD on asthma control and critically review the possible inclusion of SAD among treatable pulmonary traits in international guidelines on asthma.
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Affiliation(s)
- Marcello Cottini
- Allergy and Pneumology Outpatient Clinic, Bergamo, Italy
- Marcello Cottini
| | - Carlo Lombardi
- Departmental Unit of Allergology, Immunology & Pulmonary Diseases, Fondazione Poliambulanza, Brescia, Italy
- *Correspondence: Carlo Lombardi
| | - Giovanni Passalacqua
- Allergy and Respiratory Diseases, IRCCS Policlinico San Martino, University of Genoa, Genova, Italy
| | - Diego Bagnasco
- Allergy and Respiratory Diseases, IRCCS Policlinico San Martino, University of Genoa, Genova, Italy
| | - Alvise Berti
- Ospedale Santa Chiara and Department of Cellular, Computational and Integrative Biology (CIBIO), Thoracic Disease Research, University of Trento, Trento, Italy
| | - Pasquale Comberiati
- Section of Pediatrics, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Gianluca Imeri
- Respiratory Unit, Department of Medical Sciences, Papa Giovanni XXIII Hospital, University of Milan-Bergamo, Bergamo, Italy
| | - Massimo Landi
- Institute for Biomedical Research and Innovation, National Research Council, Palermo, Italy
- Pediatric National Healthcare System, Turin, Italy
| | - Enrico Heffler
- Department of Biomedical Sciences, Humanitas University, Milan, Italy
- Personalized Medicine, Asthma and Allergy - IRCCS Humanitas Research Hospital - Rozzano, Milan, Italy
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