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Woodward IR, Fromen CA. Recent Developments in Aerosol Pulmonary Drug Delivery: New Technologies, New Cargos, and New Targets. Annu Rev Biomed Eng 2024; 26:307-330. [PMID: 38424089 PMCID: PMC11222059 DOI: 10.1146/annurev-bioeng-110122-010848] [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] [Indexed: 03/02/2024]
Abstract
There is nothing like a global pandemic to motivate the need for improved respiratory treatments and mucosal vaccines. Stimulated by the COVID-19 pandemic, pulmonary aerosol drug delivery has seen a flourish of activity, building on the prior decades of innovation in particle engineering, inhaler device technologies, and clinical understanding. As such, the field has expanded into new directions and is working toward the efficient delivery of increasingly complex cargos to address a wider range of respiratory diseases. This review seeks to highlight recent innovations in approaches to personalize inhalation drug delivery, deliver complex cargos, and diversify the targets treated and prevented through pulmonary drug delivery. We aim to inform readers of the emerging efforts within the field and predict where future breakthroughs are expected to impact the treatment of respiratory diseases.
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Affiliation(s)
- Ian R Woodward
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware, USA;
| | - Catherine A Fromen
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware, USA;
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Barlang LA, Deimel I, Mohl BP, Blaurock C, Balkema-Buschmann A, Weinbender K, Hess B, Obernolte H, Merkel OM, Popp A. Distribution and suitability of pulmonary surfactants as a vehicle for topically applied antibodies in healthy and SARS-CoV-2 infected rodent lungs. Eur J Pharm Sci 2024; 196:106744. [PMID: 38471595 DOI: 10.1016/j.ejps.2024.106744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 02/07/2024] [Accepted: 03/07/2024] [Indexed: 03/14/2024]
Abstract
The use of natural pulmonary surfactants (PS) as a drug delivery vehicle for biologics is a more recent therapeutic modality. Herein, we tested different contents of PS regarding their physicochemical properties under stress conditions. The PS content of 12.25 mg/ml (Formulation B) showed desired properties such as an isotonic osmolality ∼300 mOsm/kg and an acceptable viscosity of 8.61 cSt, being lower than in commercially available PS solutions. Formulation B passed the specifications of surface lowering capacities of >80 % total lung capacity and physiologically desired formulation properties were independent of the antibody used in the composition. The identified formulation showed the capability of significantly increasing the oxygen saturation in ex vivo isolated perfused rat lungs, compared to a control and up to 30 min post lavage. In the in vivo setting, we showed that intratracheal administration of a human mAB with and without pulmonary surfactant led to higher amounts of delivered antibody within the alveolar tissue compared to intravenous administration. The antibody with the PS formulation remained longer in the alveolar tissues than the antibody without the PS formulation. Further, SARS-CoV-2 infected Golden Syrian hamsters showed that the intranasally applied antibody reached the site of infection in the alveoli and could be detected in the alveolar region 24 h after the last administration. With this work, we demonstrated that pulmonary surfactants can be used as a pulmonary drug delivery mechanism for antibodies and may subsequently improve the antibody efficacy by increasing the residence time at the desired site of action in the alveolar tissue.
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Affiliation(s)
- Lea-Adriana Barlang
- Preclinical Safety, AbbVie Deutschland GmbH & Co. KG, Knollstraße, 67061 Ludwigshafen, Germany; Department of Pharmacy, Pharmaceutical Technology and Biopharmacy, Ludwig-Maximilians-University, Butenandtstraße 5‑13, 8133 Munich, Germany; Quantitative, Translational & ADME Sciences, AbbVie Deutschland GmbH & Co. KG, Knollstraße, 67061 Ludwigshafen, Germany.
| | - Isabelle Deimel
- Biologics Drug Product Development Department, AbbVie Deutschland GmbH & Co.KG, Knollstraße, 67061 Ludwigshafen, Germany
| | - Björn-Patrick Mohl
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Suedufer 10, 17493 Greifswald- Insel Riems, Germany
| | - Claudia Blaurock
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Suedufer 10, 17493 Greifswald- Insel Riems, Germany
| | - Anne Balkema-Buschmann
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Suedufer 10, 17493 Greifswald- Insel Riems, Germany
| | - Kristina Weinbender
- Preclinical Safety, AbbVie Deutschland GmbH & Co. KG, Knollstraße, 67061 Ludwigshafen, Germany
| | - Brian Hess
- Quality Control Laboratories, AbbVie Inc. Illinois, USA
| | - Helena Obernolte
- Department of Preclinical Pharmacology and In Vitro Toxicology, Fraunhofer ITEM, Nikolai-Fuchs-Straße 1, 30625 Hannover, Germany
| | - Olivia M Merkel
- Department of Pharmacy, Pharmaceutical Technology and Biopharmacy, Ludwig-Maximilians-University, Butenandtstraße 5‑13, 8133 Munich, Germany
| | - Andreas Popp
- Preclinical Safety, AbbVie Deutschland GmbH & Co. KG, Knollstraße, 67061 Ludwigshafen, Germany
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Zhang C, D'Angelo D, Buttini F, Yang M. Long-acting inhaled medicines: Present and future. Adv Drug Deliv Rev 2024; 204:115146. [PMID: 38040120 DOI: 10.1016/j.addr.2023.115146] [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: 06/05/2023] [Revised: 11/15/2023] [Accepted: 11/23/2023] [Indexed: 12/03/2023]
Abstract
Inhaled medicines continue to be an essential part of treatment for respiratory diseases such as asthma, chronic obstructive pulmonary disease, and cystic fibrosis. In addition, inhalation technology, which is an active area of research and innovation to deliver medications via the lung to the bloodstream, offers potential advantages such as rapid onset of action, enhanced bioavailability, and reduced side effects for local treatments. Certain inhaled macromolecules and particles can also end up in different organs via lymphatic transport from the respiratory epithelium. While the majority of research on inhaled medicines is focused on the delivery technology, particle engineering, combination therapies, innovations in inhaler devices, and digital health technologies, researchers are also exploring new pharmaceutical technologies and strategies to prolong the duration of action of inhaled drugs. This is because, in contrast to most inhaled medicines that exert a rapid onset and short duration of action, long-acting inhaled medicines (LAIM) improve not only the patient compliance by reducing the dosing frequency, but also the effectiveness and convenience of inhaled therapies to better manage patients' conditions. This paper reviews the advances in LAIM, the pharmaceutical technologies and strategies for developing LAIM, and emerging new inhaled modalities that possess a long-acting nature and potential in the treatment and prevention of various diseases. The challenges in the development of the future LAIM are also discussed where active research and innovations are taking place.
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Affiliation(s)
- Chengqian Zhang
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Davide D'Angelo
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark; Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
| | - Francesca Buttini
- Food and Drug Department, University of Parma, Parco Area delle Scienze 27/A, 43124 Parma, Italy
| | - Mingshi Yang
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark; Wuya College of Innovation, Shenyang Pharmaceutical University, Wenhua Road No. 103, 110016, Shenyang, China.
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Sudduth ER, Trautmann-Rodriguez M, Gill N, Bomb K, Fromen CA. Aerosol pulmonary immune engineering. Adv Drug Deliv Rev 2023; 199:114831. [PMID: 37100206 PMCID: PMC10527166 DOI: 10.1016/j.addr.2023.114831] [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: 02/01/2023] [Revised: 03/23/2023] [Accepted: 04/14/2023] [Indexed: 04/28/2023]
Abstract
Aerosolization of immunotherapies poses incredible potential for manipulating the local mucosal-specific microenvironment, engaging specialized pulmonary cellular defenders, and accessing mucosal associated lymphoid tissue to redirect systemic adaptive and memory responses. In this review, we breakdown key inhalable immunoengineering strategies for chronic, genetic, and infection-based inflammatory pulmonary disorders, encompassing the historic use of immunomodulatory agents, the transition to biological inspired or derived treatments, and novel approaches of complexing these materials into drug delivery vehicles for enhanced release outcomes. Alongside a brief description of key immune targets, fundamentals of aerosol drug delivery, and preclinical pulmonary models for immune response, we survey recent advances of inhaled immunotherapy platforms, ranging from small molecules and biologics to particulates and cell therapies, as well as prophylactic vaccines. In each section, we address the formulation design constraints for aerosol delivery as well as advantages for each platform in driving desirable immune modifications. Finally, prospects of clinical translation and outlook for inhaled immune engineering are discussed.
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Affiliation(s)
- Emma R Sudduth
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA
| | | | - Nicole Gill
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA
| | - Kartik Bomb
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA
| | - Catherine A Fromen
- Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE 19716, USA.
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Sécher T, Heuzé-Vourc'h N. Barriers for orally inhaled therapeutic antibodies. Expert Opin Drug Deliv 2023; 20:1071-1084. [PMID: 37609943 DOI: 10.1080/17425247.2023.2249821] [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: 05/12/2023] [Revised: 07/17/2023] [Accepted: 08/16/2023] [Indexed: 08/24/2023]
Abstract
INTRODUCTION Respiratory diseases represent a worldwide health issue. The recent Sars-CoV-2 pandemic, the burden of lung cancer, and inflammatory respiratory diseases urged the development of innovative therapeutic solutions. In this context, therapeutic antibodies (Abs) offer a tremendous opportunity to benefit patients with respiratory diseases. Delivering Ab through the airways has been demonstrated to be relevant to improve their therapeutic index. However, few inhaled Abs are on the market. AREAS COVERED This review describes the different barriers that may alter the fate of inhaled therapeutic Abs in the lungs at steady state. It addresses both physical and biological barriers and discusses the importance of taking into consideration the pathological changes occurring during respiratory disease, which may reinforce these barriers. EXPERT OPINION The pulmonary route remains rare for delivering therapeutic Abs, with few approved inhaled molecules, despite promising evidence. Efforts must focus on the intertwined barriers associated with lung diseases to develop appropriate Ab-formulation-device combo, ensuring optimal Ab deposition in the respiratory tract. Finally, randomized controlled clinical trials should be carried out to establish inhaled Ab therapy as prominent against respiratory diseases.
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Affiliation(s)
- Thomas Sécher
- INSERM, Centre d'Etude des Pathologies Respiratoires, Tours, France
- Université de Tours, Tours, France
| | - Nathalie Heuzé-Vourc'h
- INSERM, Centre d'Etude des Pathologies Respiratoires, Tours, France
- Université de Tours, Tours, France
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Hye T, Moinuddin SM, Sarkar T, Nguyen T, Saha D, Ahsan F. An evolving perspective on novel modified release drug delivery systems for inhalational therapy. Expert Opin Drug Deliv 2023; 20:335-348. [PMID: 36720629 PMCID: PMC10699164 DOI: 10.1080/17425247.2023.2175814] [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: 08/15/2022] [Accepted: 01/30/2023] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Drugs delivered via the lungs are predominantly used to treat various respiratory disorders, including asthma, chronic obstructive pulmonary diseases, respiratory tract infections and lung cancers, and pulmonary vascular diseases such as pulmonary hypertension. To treat respiratory diseases, targeted, modified or controlled release inhalation formulations are desirable for improved patient compliance and superior therapeutic outcome. AREAS COVERED This review summarizes the important factors that have an impact on the inhalable modified release formulation approaches with a focus toward various formulation strategies, including dissolution rate-controlled systems, drug complexes, site-specific delivery, drug-polymer conjugates, and drug-polymer matrix systems, lipid matrix particles, nanosystems, and formulations that can bypass clearance via mucociliary system and alveolar macrophages. EXPERT OPINION Inhaled modified release formulations can potentially reduce dosing frequency by extending drug's residence time in the lungs. However, inhalable modified or controlled release drug delivery systems remain unexplored and underdeveloped from the commercialization perspective. This review paper addresses the current state-of-the-art of inhaled controlled release formulations, elaborates on the avenues for developing newer technologies for formulating various drugs with tailored release profiles after inhalational delivery and explains the challenges associated with translational feasibility of modified release inhalable formulations.
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Affiliation(s)
- Tanvirul Hye
- Oakland University William Beaumont School of Medicine, 586 Pioneer Dr, 48309, Rochester, MI, USA
| | - Sakib M. Moinuddin
- California Northstate University, College of Pharmacy, 9700 West Taron Drive, 95757, Elk Grove, CA, USA
- East Bay Institute for Research & Education (EBIRE), 95655, Mather, CA, USA
| | - Tanoy Sarkar
- California Northstate University, College of Pharmacy, 9700 West Taron Drive, 95757, Elk Grove, CA, USA
- East Bay Institute for Research & Education (EBIRE), 95655, Mather, CA, USA
| | - Trieu Nguyen
- California Northstate University, College of Pharmacy, 9700 West Taron Drive, 95757, Elk Grove, CA, USA
- East Bay Institute for Research & Education (EBIRE), 95655, Mather, CA, USA
| | - Dipongkor Saha
- California Northstate University, College of Pharmacy, 9700 West Taron Drive, 95757, Elk Grove, CA, USA
| | - Fakhrul Ahsan
- California Northstate University, College of Pharmacy, 9700 West Taron Drive, 95757, Elk Grove, CA, USA
- East Bay Institute for Research & Education (EBIRE), 95655, Mather, CA, USA
- MedLuidics, 95757, Elk Grove, CA, USA
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Parray HA, Shukla S, Perween R, Khatri R, Shrivastava T, Singh V, Murugavelu P, Ahmed S, Samal S, Sharma C, Sinha S, Luthra K, Kumar R. Inhalation monoclonal antibody therapy: a new way to treat and manage respiratory infections. Appl Microbiol Biotechnol 2021; 105:6315-6332. [PMID: 34423407 PMCID: PMC8380517 DOI: 10.1007/s00253-021-11488-4] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 07/14/2021] [Accepted: 07/30/2021] [Indexed: 12/23/2022]
Abstract
The route of administration of a therapeutic agent has a substantial impact on its success. Therapeutic antibodies are usually administered systemically, either directly by intravenous route, or indirectly by intramuscular or subcutaneous injection. However, treatment of diseases contained within a specific tissue necessitates a better alternate route of administration for targeting localised infections. Inhalation is a promising non-invasive strategy for antibody delivery to treat respiratory maladies because it provides higher concentrations of antibody in the respiratory airways overcoming the constraints of entry through systemic circulation and uncertainity in the amount reaching the target tissue. The nasal drug delivery route is one of the extensively researched modes of administration, and nasal sprays for molecular drugs are deemed successful and are presently commercially marketed. This review highlights the current state and future prospects of inhaled therapies, with an emphasis on the use of monoclonal antibodies for the treatment of respiratory infections, as well as an overview of their importance, practical challenges, and clinical trial outcomes.Key points• Immunologic strategies for preventing mucosal transmission of respiratory pathogens.• Mucosal-mediated immunoprophylaxis could play a major role in COVID-19 prevention.• Applications of monoclonal antibodies in passive immunisation.
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Affiliation(s)
- Hilal Ahmad Parray
- Translational Health Science & Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad - Gurgaon Expressway, PO Box # 04, Faridabad, Haryana, 121001, India
| | - Shivangi Shukla
- Translational Health Science & Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad - Gurgaon Expressway, PO Box # 04, Faridabad, Haryana, 121001, India
| | - Reshma Perween
- Translational Health Science & Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad - Gurgaon Expressway, PO Box # 04, Faridabad, Haryana, 121001, India
| | - Ritika Khatri
- Translational Health Science & Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad - Gurgaon Expressway, PO Box # 04, Faridabad, Haryana, 121001, India
| | - Tripti Shrivastava
- Translational Health Science & Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad - Gurgaon Expressway, PO Box # 04, Faridabad, Haryana, 121001, India
| | - Vanshika Singh
- Translational Health Science & Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad - Gurgaon Expressway, PO Box # 04, Faridabad, Haryana, 121001, India
| | - Praveenkumar Murugavelu
- Translational Health Science & Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad - Gurgaon Expressway, PO Box # 04, Faridabad, Haryana, 121001, India
| | - Shubbir Ahmed
- Translational Health Science & Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad - Gurgaon Expressway, PO Box # 04, Faridabad, Haryana, 121001, India
| | - Sweety Samal
- Translational Health Science & Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad - Gurgaon Expressway, PO Box # 04, Faridabad, Haryana, 121001, India
| | - Chandresh Sharma
- Translational Health Science & Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad - Gurgaon Expressway, PO Box # 04, Faridabad, Haryana, 121001, India
| | - Subrata Sinha
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Kalpana Luthra
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Rajesh Kumar
- Translational Health Science & Technology Institute, NCR Biotech Science Cluster, 3rd Milestone, Faridabad - Gurgaon Expressway, PO Box # 04, Faridabad, Haryana, 121001, India.
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Fieux M, Le Quellec S, Bartier S, Coste A, Louis B, Giroudon C, Nourredine M, Bequignon E. FcRn as a Transporter for Nasal Delivery of Biologics: A Systematic Review. Int J Mol Sci 2021; 22:ijms22126475. [PMID: 34204226 PMCID: PMC8234196 DOI: 10.3390/ijms22126475] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/07/2021] [Accepted: 06/11/2021] [Indexed: 12/15/2022] Open
Abstract
FcRn plays a major role in regulating immune homeostasis, but it is also able to transport biologics across cellular barriers. The question of whether FcRn could be an efficient transporter of biologics across the nasal epithelial barrier is of particular interest, as it would allow a less invasive strategy for the administration of biologics in comparison to subcutaneous, intramuscular or intravenous administrations, which are often used in clinical practice. A focused systematic review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. It was registered on the international prospective register of systematic reviews PROSPERO, which helped in identifying articles that met the inclusion criteria. Clinical and preclinical studies involving FcRn and the nasal delivery of biologics were screened, and the risk of bias was assessed across studies using the Oral Health Assessment Tool (OHAT). Among the 12 studies finally included in this systematic review (out of the 758 studies screened), 11 demonstrated efficient transcytosis of biologics through the nasal epithelium. Only three studies evaluated the potential toxicity of biologics’ intranasal delivery, and they all showed that it was safe. This systematic review confirmed that FcRn is expressed in the nasal airway and the olfactory epithelium, and that FcRn may play a role in IgG and/or IgG-derived molecule-transcytosis across the airway epithelium. However, additional research is needed to better characterize the pharmacokinetic and pharmacodynamic properties of biologics after their intranasal delivery.
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Affiliation(s)
- Maxime Fieux
- Hospices Civils de Lyon, Centre Hospitalier Lyon Sud, Service d’ORL, D’otoneurochirurgie et de Chirurgie Cervico-Faciale, Pierre Bénite, CEDEX, F-69495 Lyon, France
- Université de Lyon, Université Lyon 1, F-69003 Lyon, France; (S.L.Q.); (M.N.)
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
- Correspondence: ; Tel.: +33-4-7266-6415
| | - Sandra Le Quellec
- Université de Lyon, Université Lyon 1, F-69003 Lyon, France; (S.L.Q.); (M.N.)
- Hospices Civils de Lyon, Hôpital Cardiologique Louis Pradel, Unité D’hémostase Clinique, CEDEX, F-69500 Bron, France
- EA 4609 Hémostase et Cancer, Université Claude Bernard Lyon 1, F-69372 Lyon, France
- Hospices Civils de Lyon, Centre de Biologie et de Pathologie Est, Service D’hématologie Biologique, CEDEX, F-69500 Bron, France
| | - Sophie Bartier
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
- Service d’ORL, de Chirurgie Cervico Faciale, Hôpital Henri Mondor, Assistance Publique des Hôpitaux de Paris, F-94000 Créteil, France
| | - André Coste
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
- Service d’ORL, de Chirurgie Cervico Faciale, Centre Hospitalier Intercommunal de Créteil, F-94010 Créteil, France
| | - Bruno Louis
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
| | - Caroline Giroudon
- Hospices Civils de Lyon, Service de la Documentation Centrale, CEDEX, F-69424 Lyon, France;
| | - Mikail Nourredine
- Université de Lyon, Université Lyon 1, F-69003 Lyon, France; (S.L.Q.); (M.N.)
- Hospices Civils de Lyon, Service de Biostatistique et Bioinformatique, F-69003 Lyon, France
- CNRS, Laboratoire de Biométrie et Biologie Évolutive UMR 5558, F-69100 Villeurbanne, France
| | - Emilie Bequignon
- Univ Paris Est Creteil, INSERM, IMRB, F-94010 Créteil, France; (S.B.); (A.C.); (B.L.); (E.B.)
- CNRS ERL 7000, F-94010 Créteil, France
- Service d’ORL, de Chirurgie Cervico Faciale, Centre Hospitalier Intercommunal de Créteil, F-94010 Créteil, France
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Novel formulations and drug delivery systems to administer biological solids. Adv Drug Deliv Rev 2021; 172:183-210. [PMID: 33705873 DOI: 10.1016/j.addr.2021.02.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/28/2021] [Accepted: 02/18/2021] [Indexed: 12/13/2022]
Abstract
Recent advances in formulation sciences have expanded the previously limited design space for biological modalities, including peptide, protein, and vaccine products. At the same time, the discovery and application of new modalities, such as cellular therapies and gene therapies, have presented formidable challenges to formulation scientists. We explore these challenges and highlight the opportunities to overcome them through the development of novel formulations and drug delivery systems as biological solids. We review the current progress in both industry and academic laboratories, and we provide expert perspectives in those settings. Formulation scientists have made a tremendous effort to accommodate the needs of these novel delivery routes. These include stability-preserving formulations and dehydration processes as well as dosing regimes and dosage forms that improve patient compliance.
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10
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Okuda T, Okamoto H. Present Situation and Future Progress of Inhaled Lung Cancer Therapy: Necessity of Inhaled Formulations with Drug Delivery Functions. Chem Pharm Bull (Tokyo) 2021; 68:589-602. [PMID: 32611996 DOI: 10.1248/cpb.c20-00086] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
Inhaled lung cancer therapy is promising because of direct and noninvasive drug delivery to the lungs with low potential for severe systemic toxicity. Thus chemotherapeutic drugs have been administered clinically by nebulization of solution or suspension formulations, which demonstrated their limited pulmonary absorption and relatively mild systemic toxicity. In all these clinical trials, however, there was no obviously superior anticancer efficacy in lung cancer patients even at the maximum doses of drugs limited by pulmonary toxicity. Therefore methods that deliver both higher anticancer efficacy and lower pulmonary toxicity are strongly desired. In addition to the worldwide availability of pressured metered dose inhalers (pMDIs) and dry powder inhalers (DPIs) to treat local respiratory diseases, recent innovations in medicines and technologies are encouraging next steps toward effective inhaled lung cancer therapy with new therapeutic or drug delivery concepts. These include the discovery of target cells/molecules and drug candidates for novel cancer therapy, the development of high-performance inhalation devices for effective pulmonary drug delivery, and the establishment of manufacturing technologies for functional nanoparticles/microparticles. This review highlights the present situation and future progress of inhaled drugs for lung cancer therapy, including an overview of available inhalation devices, pharmacokinetics, and outcomes in clinical trials so far and some novel formulation strategies based on drug delivery systems to achieve enhanced anticancer efficacy and attenuated pulmonary toxicity.
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Jin Q, Zhu W, Zhu J, Zhu J, Shen J, Liu Z, Yang Y, Chen Q. Nanoparticle-Mediated Delivery of Inhaled Immunotherapeutics for Treating Lung Metastasis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2007557. [PMID: 33448035 DOI: 10.1002/adma.202007557] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 11/24/2020] [Indexed: 05/18/2023]
Abstract
Despite the critical breakthrough achieved by immune checkpoint blockade (ICB), the clinical benefits are usually restricted by inefficient infiltration of immune cells and immune-associated adverse effects. Noninvasive aerosol inhalation, as a definitive procedure for treatment of respiratory diseases, for ICB immunotherapy against lung metastasis, has not been realized to the best knowledge. Herein, an inhaled immunotherapeutic chitosan (CS)-antibody complex is developed for immunotherapy against lung cancer. In this system, CS is used as a carrier to assemble with anti-programmed cell death protein ligand 1 (aPD-L1) to enable efficient transmucosal delivery. Moreover, CS exhibits adjuvant effects to drive potent immune responses via activating the cyclic-di-GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) pathway. Interestingly, repeated inhalation of CS/aPD-L1 complex can effectively activate the immune system by promoting the infiltration of different immune cells especially CD8+ T cells around tumor lesions, and finally prolongs the survival of mice to 60 days. Thus, the work presents a unique aerosol inhalation delivery system for ICB antibody, which is promising for immunotherapy against lung metastasis without the concern of systemic toxicity.
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Affiliation(s)
- Qiutong Jin
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
| | - Wenjun Zhu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
| | - Jiafei Zhu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
| | - Junjie Zhu
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, 200433, China
| | - Jingjing Shen
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
| | - Zhuang Liu
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
| | - Yang Yang
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, 200433, China
- School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China
| | - Qian Chen
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, 215123, China
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Matthews AA, Ee PLR, Ge R. Developing inhaled protein therapeutics for lung diseases. MOLECULAR BIOMEDICINE 2020; 1:11. [PMID: 34765995 PMCID: PMC7595758 DOI: 10.1186/s43556-020-00014-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 10/15/2020] [Indexed: 12/28/2022] Open
Abstract
Biologic therapeutics such as protein/polypeptide drugs are conventionally administered systemically via intravenous injection for the treatment of diseases including lung diseases, although this approach leads to low target site accumulation and the potential risk for systemic side effects. In comparison, topical delivery of protein drugs to the lung via inhalation is deemed to be a more effective approach for lung diseases, as proteins would directly reach the target in the lung while exhibiting poor diffusion into the systemic circulation, leading to higher lung drug retention and efficacy while minimising toxicity to other organs. This review examines the important considerations and challenges in designing an inhaled protein therapeutics for local lung delivery: the choice of inhalation device, structural changes affecting drug deposition in diseased lungs, clearance mechanisms affecting an inhaled protein drug’s lung accumulation, protein stability, and immunogenicity. Possible approaches to overcoming these issues will also be discussed.
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Airway Delivery of Anti-influenza Monoclonal Antibodies Results in Enhanced Antiviral Activities and Enables Broad-Coverage Combination Therapies. J Virol 2020; 94:JVI.00052-20. [PMID: 32847855 PMCID: PMC7592225 DOI: 10.1128/jvi.00052-20] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 08/02/2020] [Indexed: 12/12/2022] Open
Abstract
Influenza causes widespread illness in humans and can result in morbidity and death, especially in the very young and elderly populations. Because influenza vaccination can be poorly effective some years, and the immune systems of the most susceptible populations are often compromised, passive immunization treatments using broadly neutralizing antibodies is a promising therapeutic approach. However, large amounts of a single antibody are required for effectiveness when delivered through systemic administration (typically intravenous infusion), precluding the feasible dosing of antibody combinations via this route. The significance of our research is the demonstration that effective therapeutic treatments of multiple relevant influenza types (H1N1, H3N2, and B) can be achieved by airway administration of a single combination of relatively small amounts of three anti-influenza antibodies. This advance exploits the discovery that airway delivery is a more potent way of administering anti-influenza antibodies compared to systemic delivery, making this a feasible and cost-effective therapeutic approach. Effective and reliable anti-influenza treatments are acutely needed and passive immunizations using broadly neutralizing anti-influenza monoclonal antibodies (bNAbs) are a promising emerging approach. Because influenza infections are initiated in and localized to the pulmonary tract, and newly formed viral particles egress from the apical side of the lung epithelium, we compared the effectiveness of hemagglutinin (HA) stalk-binding bNAbs administered through the airway (intranasal or via nebulization) versus the systemic route (intraperitoneal or intravenous). Airway deliveries of various bNAbs were 10- to 50-fold more effective than systemic deliveries of the same bNAbs in treating H1N1, H3N2, B/Victoria-, and B/Yamagata-lineage influenza viral infections in mouse models. The potency of airway-delivered anti-HA bNAbs was highly dependent on antiviral neutralization activity, with little dependence on the effector function of the antibody. In contrast, the effectiveness of systemically delivered anti-HA bNAbs was not dependent on antiviral neutralization, but critically dependent on antibody effector functions. Concurrent administration of a neutralizing/effector function-positive bNAb via the airway and systemic routes showed increased effectiveness. The small amount of airway-delivered bNAbs needed for effective influenza treatment creates the opportunity to combine potent bNAbs with different anti-influenza specificities to generate a cost-effective antiviral therapy that provides broad coverage against all circulating influenza strains infecting humans. A 3 mg/kg dose of the novel triple antibody combination CF-404 (i.e., 1 mg/kg of each component bNAb) delivered to the airway was shown to effectively prevent weight loss and death in mice challenged with ten 50% lethal dose (LD50) inoculums of either H1N1, H3N2, B/Victoria-lineage, or B/Yamagata-lineage influenza viruses. IMPORTANCE Influenza causes widespread illness in humans and can result in morbidity and death, especially in the very young and elderly populations. Because influenza vaccination can be poorly effective some years, and the immune systems of the most susceptible populations are often compromised, passive immunization treatments using broadly neutralizing antibodies is a promising therapeutic approach. However, large amounts of a single antibody are required for effectiveness when delivered through systemic administration (typically intravenous infusion), precluding the feasible dosing of antibody combinations via this route. The significance of our research is the demonstration that effective therapeutic treatments of multiple relevant influenza types (H1N1, H3N2, and B) can be achieved by airway administration of a single combination of relatively small amounts of three anti-influenza antibodies. This advance exploits the discovery that airway delivery is a more potent way of administering anti-influenza antibodies compared to systemic delivery, making this a feasible and cost-effective therapeutic approach.
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Lymph-directed immunotherapy - Harnessing endogenous lymphatic distribution pathways for enhanced therapeutic outcomes in cancer. Adv Drug Deliv Rev 2020; 160:115-135. [PMID: 33039497 DOI: 10.1016/j.addr.2020.10.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 09/07/2020] [Accepted: 10/02/2020] [Indexed: 12/13/2022]
Abstract
The advent of immunotherapy has revolutionised the treatment of some cancers. Harnessing the immune system to improve tumour cell killing is now standard clinical practice and immunotherapy is the first line of defence for many cancers that historically, were difficult to treat. A unifying concept in cancer immunotherapy is the activation of the immune system to mount an attack on malignant cells, allowing the body to recognise, and in some cases, eliminate cancer. However, in spite of a significant proportion of patients that respond well to treatment, there remains a subset who are non-responders and a number of cancers that cannot be treated with these therapies. These limitations highlight the need for targeted delivery of immunomodulators to both tumours and the effector cells of the immune system, the latter being highly concentrated in the lymphatic system. In this context, macromolecular therapies may provide a significant advantage. Macromolecules are too large to easily access blood capillaries and instead typically exhibit preferential uptake via the lymphatic system. In contexts where immune cells are the therapeutic target, particularly in cancer therapy, this may be advantageous. In this review, we examine in brief the current immunotherapy approaches in cancer and how macromolecular and nanomedicine strategies may improve the therapeutic profiles of these drugs. We subsequently discuss how therapeutics directed either by parenteral or mucosal administration, can be taken up by the lymphatics thereby accessing a larger proportion of the body's immune cells. Finally, we detail drug delivery strategies that have been successfully employed to target the lymphatics.
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Topical application of nebulized human IgG, IgA and IgAM in the lungs of rats and non-human primates. Respir Res 2019; 20:99. [PMID: 31118031 PMCID: PMC6532128 DOI: 10.1186/s12931-019-1057-3] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 04/24/2019] [Indexed: 01/31/2023] Open
Abstract
Background Recurrent and persistent infections are known to affect airways of patients with Primary Immunodeficiency despite appropriate replacement immunoglobulin serum levels. Interestingly, patients with Chronic Obstructive Pulmonary Disease or with non-CF bronchiectasis also show similar susceptibility to such infections. This may be due to the limited availability of immunoglobulins from the systemic circulation in the conductive airways, resulting in local immunodeficiency. Topical application of nebulized plasma-derived immunoglobulins may represent a means to address this deficiency. In this study, we assessed the feasibility of nebulizing plasma-derived immunoglobulins and delivering them into the airways of rats and non-human primates. Methods Distinct human plasma-derived immunoglobulin isotype preparations were nebulized with an investigational eFlow® nebulizer and analyzed in vitro or deposited into animals. Biochemical and immunohistological analysis of nebulized immunoglobulins were then performed. Lastly, efficacy of topically applied human plasma-derived immunoglobulins was assessed in an acute Streptococcus pneumoniae respiratory infection in mice. Results Characteristics of the resulting aerosols were comparable between preparations, even when using solutions with elevated viscosity. Neither the structural integrity nor the biological function of nebulized immunoglobulins were compromised by the nebulization process. In animal studies, immunoglobulins levels were assessed in plasma, broncho-alveolar lavages (BAL) and on lung sections of rats and non-human primates in samples collected up to 72 h following application. Nebulized immunoglobulins were detectable over 48 h in the BAL samples and up to 72 h on lung sections. Immunoglobulins recovered from BAL fluid up to 24 h after inhalation remained structurally and functionally intact. Importantly, topical application of human plasma-derived immunoglobulin G into the airways of mice offered significant protection against acute pneumococcal pneumonia. Conclusion Taken together our data demonstrate the feasibility of topically applying plasma-derived immunoglobulins into the lungs using a nebulized liquid formulation. Moreover, topically administered human plasma-derived immunoglobulins prevented acute respiratory infection. Electronic supplementary material The online version of this article (10.1186/s12931-019-1057-3) contains supplementary material, which is available to authorized users.
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Guillon A, Darrouzain F, Heuzé-Vourc'h N, Petitcollin A, Barc C, Vecellio L, Cormier B, Lanotte P, Sarradin P, Dequin PF, Paintaud G, Ehrmann S. Intra-tracheal amikacin spray delivery in healthy mechanically ventilated piglets. Pulm Pharmacol Ther 2019; 57:101807. [PMID: 31102741 DOI: 10.1016/j.pupt.2019.101807] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 04/12/2019] [Accepted: 05/14/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Nebulization during mechanical ventilation is impeded by large extra-pulmonary drug deposition and long administration durations which currently limit implementation of inhaled antibiotic therapy. Direct intra-tracheal delivery using a sprayer represents an appealing alternative investigated in small animal models, but large animal data are lacking. METHODS Amikacin was administered through intravenous infusion (20 mg/kg), nebulization (60 mg/kg) and direct intra-tracheal spray (30 mg/kg) to 10 intubated piglets, in a randomized cross-over design. Amikacin concentrations were measured in the serum and pulmonary parenchyma. Anatomic deposition was investigated using immuno-histochemistry. RESULTS Spray delivery resulted in higher amikacin outputs than nebulization and infusion. Pulmonary inhaled delivery techniques yielded much higher lung concentrations and much lower serum concentrations than intravenous infusion. However, unlike nebulization and infusion, intra-tracheal spray delivery was associated with more than 100- and 1000-fold variability in lung concentrations between and within animals. Amikacin specific immuno-histochemistry showed consistent bronchial and alveolar drug deposition with all modalities. CONCLUSION Nebulization remains the most reliable and simple technique to deliver inhaled amikacin uniformly to the lung during mechanical ventilation. Further development of tracheal sprays is required to take advantage of potential benefits related to high drug output and low extra-pulmonary deposition in large animals.
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Affiliation(s)
- Antoine Guillon
- CHRU de Tours, Médecine Intensive Réanimation, INSERM CIC 1415, CRICS-Triggersep, Tours, France; Université de Tours, INSERM, Centre d'étude des pathologies respiratoires (CEPR), UMR 1100, Tours, France
| | | | - Nathalie Heuzé-Vourc'h
- Université de Tours, INSERM, Centre d'étude des pathologies respiratoires (CEPR), UMR 1100, Tours, France
| | | | - Céline Barc
- INRA Val de Loire, Plateforme d'infectiologie expérimentale, UE 1277, Nouzilly, France
| | - Laurent Vecellio
- Université de Tours, INSERM, Centre d'étude des pathologies respiratoires (CEPR), UMR 1100, Tours, France
| | | | - Philippe Lanotte
- CHRU de Tours, Bactériologie-Virologie, Tours, France; ISP, INRA, Université de Tours, UMR1282, F-37380, Nouzilly, France
| | - Pierre Sarradin
- INRA Val de Loire, Plateforme d'infectiologie expérimentale, UE 1277, Nouzilly, France
| | - Pierre-François Dequin
- CHRU de Tours, Médecine Intensive Réanimation, INSERM CIC 1415, CRICS-Triggersep, Tours, France; Université de Tours, INSERM, Centre d'étude des pathologies respiratoires (CEPR), UMR 1100, Tours, France
| | | | - Stephan Ehrmann
- CHRU de Tours, Médecine Intensive Réanimation, INSERM CIC 1415, CRICS-Triggersep, Tours, France; Université de Tours, INSERM, Centre d'étude des pathologies respiratoires (CEPR), UMR 1100, Tours, France.
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Sécher T, Dalonneau E, Ferreira M, Parent C, Azzopardi N, Paintaud G, Si-Tahar M, Heuzé-Vourc'h N. In a murine model of acute lung infection, airway administration of a therapeutic antibody confers greater protection than parenteral administration. J Control Release 2019; 303:24-33. [PMID: 30981816 DOI: 10.1016/j.jconrel.2019.04.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 03/06/2019] [Accepted: 04/03/2019] [Indexed: 11/28/2022]
Abstract
Due to growing antibiotic resistance, pneumonia caused by Pseudomonas aeruginosa is a major threat to human health and is driving the development of novel anti-infectious agents. Preventively or curatively administered pathogen-specific therapeutic antibodies (Abs) have several advantages, including a low level of toxicity and a unique pharmacological profile. At present, most Abs against respiratory infections are administered parenterally; this may not be optimal for therapeutics that have to reach the lungs to be effective. Although the airways constitute a logical delivery route for biologics designed to treat respiratory diseases, there are few scientific data on the advantages or disadvantages of this route in the context of pneumonia treatment. The objective of the present study was to evaluate the efficacy and fate of an anti-P. aeruginosa Ab targeting pcrV (mAb166) as a function of the administration route during pneumonia. The airway-administered mAb166 displayed a favorable pharmacokinetic profile during the acute phase of the infection, and was associated with greater protection (relative to other delivery routes) of infected animals. Airway administration was associated with lower levels of lung inflammation, greater bacterial clearance, and recruitment of neutrophils in the airways. In conclusion, the present study is the first to have compared the pharmacokinetics and efficacy of an anti-infectious Ab administered by different routes in an animal model of pneumonia. Our findings suggest that local delivery to the airways is associated with a more potent anti-bacterial response (relative to parenteral administration), and thus open up new perspectives for the prevention and treatment of pneumonia with Abs.
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Affiliation(s)
- Thomas Sécher
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032 Tours, France; Université de Tours, F-37032 Tours, France
| | - Emilie Dalonneau
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032 Tours, France; Université de Tours, F-37032 Tours, France
| | - Marion Ferreira
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032 Tours, France; Université de Tours, F-37032 Tours, France; CHRU de Tours, Département de Pneumologie et d'exploration respiratoire fonctionnelle, F-37032 Tours, France
| | - Christelle Parent
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032 Tours, France; Université de Tours, F-37032 Tours, France
| | | | - Gilles Paintaud
- Université de Tours, GICC, PATCH Team, F-37032 Tours, France; CHRU de Tours, Laboratoire de Pharmacologie-Toxicologie, F-37032 Tours, France
| | - Mustapha Si-Tahar
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032 Tours, France; Université de Tours, F-37032 Tours, France
| | - Nathalie Heuzé-Vourc'h
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032 Tours, France; Université de Tours, F-37032 Tours, France.
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Guillon A, Pardessus J, Lhommet P, Parent C, Respaud R, Marchand D, Montharu J, De Monte M, Janiak P, Boixel C, Audat H, Huille S, Guillot E, Heuze-Vourc'h N. Exploring the fate of inhaled monoclonal antibody in the lung parenchyma by microdialysis. MAbs 2019; 11:297-304. [PMID: 30714473 DOI: 10.1080/19420862.2018.1556081] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Abstract
Therapeutic antibodies (Abs) are emerging as major drugs to treat respiratory diseases, and inhalation may provide substantial benefits for their delivery. Understanding the behavior of Abs after pulmonary deposition is critical for their development. We investigated the pharmacokinetics of a nebulized Ab by continuous sampling in lung parenchyma using microdialysis in non-human primates. We defined the optimal conditions for microdialysis of Ab and demonstrated that lung microdialysis of Ab is feasible over a period of several days. The concentration-profile indicated a two-phase non-linear elimination and/or distribution of inhaled mAbX. Lung exposition was higher than the systemic one over a period of 33 hours and above MabX affinity for its target. The microdialysis results were supported by an excellent relationship with dosages from lung extracts.
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Affiliation(s)
- Antoine Guillon
- a Centre d'Etude des Pathologies Respiratoires , UMR 1100 , INSERM , Tours, France.,b Université de Tours , Tours , France.,c Service de Médecine intensive - réanimation , CHRU de Tours , Tours , France
| | - Jeoffrey Pardessus
- a Centre d'Etude des Pathologies Respiratoires , UMR 1100 , INSERM , Tours, France.,b Université de Tours , Tours , France
| | - Pierre Lhommet
- d Service de Chirurgie Thoracique , CHRU de Tours , Tours , France
| | - Christelle Parent
- a Centre d'Etude des Pathologies Respiratoires , UMR 1100 , INSERM , Tours, France.,b Université de Tours , Tours , France
| | - Renaud Respaud
- a Centre d'Etude des Pathologies Respiratoires , UMR 1100 , INSERM , Tours, France.,b Université de Tours , Tours , France.,e Service de Pharmacie , CHRU de Tours , Tours , France
| | - Denis Marchand
- a Centre d'Etude des Pathologies Respiratoires , UMR 1100 , INSERM , Tours, France.,b Université de Tours , Tours , France
| | | | | | - Philip Janiak
- g Cardiovascular & Metabolism , Sanofi R&D , Chilly-Mazarin , France
| | | | - Héloïse Audat
- i Analytics & Formulation Department/Biologics , Vitry Sur Seine , France
| | - Sylvain Huille
- i Analytics & Formulation Department/Biologics , Vitry Sur Seine , France
| | - Etienne Guillot
- g Cardiovascular & Metabolism , Sanofi R&D , Chilly-Mazarin , France
| | - Nathalie Heuze-Vourc'h
- a Centre d'Etude des Pathologies Respiratoires , UMR 1100 , INSERM , Tours, France.,b Université de Tours , Tours , France
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Sécher T, Guilleminault L, Reckamp K, Amanam I, Plantier L, Heuzé-Vourc'h N. Therapeutic antibodies: A new era in the treatment of respiratory diseases? Pharmacol Ther 2018; 189:149-172. [PMID: 29730443 DOI: 10.1016/j.pharmthera.2018.05.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Respiratory diseases affect millions of people worldwide, and account for significant levels of disability and mortality. The treatment of lung cancer and asthma with therapeutic antibodies (Abs) is a breakthrough that opens up new paradigms for the management of respiratory diseases. Antibodies are becoming increasingly important in respiratory medicine; dozens of Abs have received marketing approval, and many more are currently in clinical development. Most of these Abs target asthma, lung cancer and respiratory infections, while very few target chronic obstructive pulmonary disease - one of the most common non-communicable causes of death - and idiopathic pulmonary fibrosis. Here, we review Abs approved for or in clinical development for the treatment of respiratory diseases. We notably highlight their molecular mechanisms, strengths, and likely future trends.
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Affiliation(s)
- T Sécher
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032 Tours, France; Université François Rabelais de Tours, F-37032 Tours, France
| | - L Guilleminault
- Pôle des Voies respiratoires, Hôpital Larrey, CHU de Toulouse, F-31059 Toulouse, France; STROMALab, Université de Toulouse, CNRS ERL 5311, EFS, INP-ENVT, Inserm, UPS, F-31013 Toulouse, France
| | - K Reckamp
- City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA
| | - I Amanam
- City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA
| | - L Plantier
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032 Tours, France; Université François Rabelais de Tours, F-37032 Tours, France; CHRU de Tours, Service de Pneumologie, F-37000 Tours, France
| | - N Heuzé-Vourc'h
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032 Tours, France; Université François Rabelais de Tours, F-37032 Tours, France.
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Carter PJ, Lazar GA. Next generation antibody drugs: pursuit of the 'high-hanging fruit'. Nat Rev Drug Discov 2017; 17:197-223. [DOI: 10.1038/nrd.2017.227] [Citation(s) in RCA: 447] [Impact Index Per Article: 63.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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21
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Guillon A, Sécher T, Dailey LA, Vecellio L, de Monte M, Si-Tahar M, Diot P, Page CP, Heuzé-Vourc'h N. Insights on animal models to investigate inhalation therapy: Relevance for biotherapeutics. Int J Pharm 2017; 536:116-126. [PMID: 29180257 DOI: 10.1016/j.ijpharm.2017.11.049] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 11/20/2017] [Accepted: 11/21/2017] [Indexed: 12/20/2022]
Abstract
Acute and chronic respiratory diseases account for major causes of illness and deaths worldwide. Recent developments of biotherapeutics opened a new era in the treatment and management of patients with respiratory diseases. When considering the delivery of therapeutics, the inhaled route offers great promises with a direct, non-invasive access to the diseased organ and has already proven efficient for several molecules. To assist in the future development of inhaled biotherapeutics, experimental models are crucial to assess lung deposition, pharmacokinetics, pharmacodynamics and safety. This review describes the animal models used in pulmonary research for aerosol drug delivery, highlighting their advantages and limitations for inhaled biologics. Overall, non-clinical species must be selected with relevant scientific arguments while taking into account their complexities and interspecies differences, to help in the development of inhaled medicines and ensure their successful transposition in the clinics.
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Affiliation(s)
- A Guillon
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032, Tours, France; Université François Rabelais de Tours, F-37032, Tours, France; CHRU de Tours, Service de Médecine Intensive - Réanimation, F-37000, Tours, France
| | - T Sécher
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032, Tours, France; Université François Rabelais de Tours, F-37032, Tours, France
| | - L A Dailey
- Institute of Pharmacy, Martin-Luther-University Halle-Wittenberg, Wolfgang-Langenbeck Str. 4, 06122, Halle (Saale), Germany
| | - L Vecellio
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032, Tours, France; Aerodrug, Université François Rabelais - Faculté de Médecine, Tours, France
| | - M de Monte
- Plateforme Scientifique et Technique (PST) Animaleries, Université F. Rabelais, F-37000, Tours, France
| | - M Si-Tahar
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032, Tours, France; Université François Rabelais de Tours, F-37032, Tours, France
| | - P Diot
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032, Tours, France; Université François Rabelais de Tours, F-37032, Tours, France; CHRU de Tours, Service de Pneumologie, F-37000, Tours, France
| | - C P Page
- Sackler Institute of Pulmonary Pharmacology, Institute of Pharmaceutical Science, King's College London, 150 Stamford Street, London, SE1 9NH, UK
| | - N Heuzé-Vourc'h
- INSERM, Centre d'Etude des Pathologies Respiratoires, U1100, F-37032, Tours, France; Université François Rabelais de Tours, F-37032, Tours, France.
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Bodier-Montagutelli E, Respaud R, Watier H, Guillon-Munos A. MAbDelivery: Administration routes for antibody therapy Third LabEx MAbImprove industrial workshop, July 2, 2015 Tours, France. MAbs 2017; 9:579-585. [PMID: 28346048 PMCID: PMC5419087 DOI: 10.1080/19420862.2017.1298899] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 02/20/2017] [Accepted: 02/21/2017] [Indexed: 10/19/2022] Open
Abstract
The annual "LabEx MAbImprove Industrial Workshops" are primarily intended to provide a comprehensive view about topics of interest for the pharmaceutical industry to scientists involved in research on therapeutic antibodies. The third workshop in this series, held July 2, 2015 in Tours, was dedicated to the optimization of delivery, namely all processes leading monoclonal antibodies to reach their target site. The commonly used intravenous (IV) route, although advantageous in terms of pharmacokinetics and pharmacodynamics, presents some disadvantages in terms of patients' convenience, therapeutic target access or treatment cost. Such problems led pharmaceutical companies to consider more straightforward and patient-friendly administration routes, bringing the need for specific formulations adapted to the specific inherent physicochemical challenges. In this context, the workshop provided an overview of these advances and opened discussion on new administration routes and formulation development. In the first session, the opportunities and challenges of 3 main routes of administration (IV, subcutaneous (SC), and pulmonary) were discussed, integrating protein stability issues. The next session was dedicated to medical devices intended for SC and pulmonary administration. The last session focused on specific formulations for monoclonal antibodies, particularly to successfully protect antibodies upon aerosolization, to develop highly concentrated formulations for SC administration, and to use formulation as a mean to overcome the barriers to oral protein delivery. As in the previous editions, this workshop gathered people from the academic and industrial spheres and allowed rich debates and discussions.
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Affiliation(s)
- Elsa Bodier-Montagutelli
- Université François Rabelais, UMR 1100, Tours, France
- INSERM, Centre d'Etude des Pathologies Respiratoires, UMR, Tours, France
- Service de Pharmacie, CHRU de Tours, Tours, France
| | - Renaud Respaud
- Université François Rabelais, UMR 1100, Tours, France
- INSERM, Centre d'Etude des Pathologies Respiratoires, UMR, Tours, France
- Service de Pharmacie, CHRU de Tours, Tours, France
| | - Hervé Watier
- Université François Rabelais, UMR 1100, Tours, France
- Service d'Immunologie, CHRU de Tours, Tours, France
- CNRS, Génétique, Immunothérapie, Chimie et Cancer, UMR, Tours, France
| | - Audrey Guillon-Munos
- Université François Rabelais, UMR 1100, Tours, France
- Groupe IMT, Tours, France
- Bio Institute, Tours, France
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Van Heeke G, Allosery K, De Brabandere V, De Smedt T, Detalle L, de Fougerolles A. Nanobodies® † †Nanobody is a registered trademark of Ablynx NV. as inhaled biotherapeutics for lung diseases. Pharmacol Ther 2017; 169:47-56. [DOI: 10.1016/j.pharmthera.2016.06.012] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/13/2016] [Indexed: 02/06/2023]
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Le Noci V, Sommariva M, Tortoreto M, Zaffaroni N, Campiglio M, Tagliabue E, Balsari A, Sfondrini L. Reprogramming the lung microenvironment by inhaled immunotherapy fosters immune destruction of tumor. Oncoimmunology 2016; 5:e1234571. [PMID: 27999750 DOI: 10.1080/2162402x.2016.1234571] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 09/01/2016] [Accepted: 09/02/2016] [Indexed: 12/17/2022] Open
Abstract
Due to their constant exposure to inhaled antigens, lungs represent a particularly immunosuppressive environment that limits excessive immune responses; however, cancer cells can exploit this unique environment for their growth. We previously described the ability of aerosolized CpG-ODN combined with Poly(I:C) (TLR9 and TLR3 agonists, respectively) to promote antitumor immunity in a B16 melanoma lung metastasis model. Here, we explored the possibility of improving the therapeutic efficacy of TLR9/TLR3 agonist combinations by including in the inhalant either an antibody directed to both Ly6G and Ly6C markers to locally deplete myeloid-derived suppressive cells (MDSCs) or IFNα to directly activate the natural killer (NK) and macrophage innate immune cells in the lung. Addition of nebulized anti-MDSC antibody RB6-8C5 to aerosolized CpG-ODN/Poly(I:C) resulted in reduced mRNA levels of immunsuppressive molecules (IL10, Arg-1, and Nos2), increased activation of resident NK cells and improved treatment outcome, with a significant reduction in established B16 melanoma lung metastases compared to treatment with CpG-ODN/Poly(I:C) alone. Likewise, addition of aerosolized IFNα led to increased mRNA levels of proinflammatory cytokines (IL15 and IFNγ) in the lung and recruitment of highly activated NK cells, with no evident signs of toxicity and with a significantly improved antitumor effect as compared with aerosolized CpG-ODN/Poly(I:C). Combining both IFNα and RB6-8C5 with CpG-ODN/Poly(I:C) did not produce an additive effect compared to IFNα + CpG-ODN/Poly(I:C) or RB6-8C5 + CpG-ODN/Poly(I:C). Our results indicate that the inhalation therapy is a feasible and non-invasive strategy to deliver immunodulatory molecules, including antibodies and cytokines that reprogram the lung tumor microenvironment to foster immune destruction of tumors.
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Affiliation(s)
- Valentino Le Noci
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milan, Italy; Molecular Targeting Unit, Milan, Italy
| | - Michele Sommariva
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milan, Italy; Molecular Targeting Unit, Milan, Italy
| | - Monica Tortoreto
- Molecular Pharmacology Unit, Fondazione IRCCS Istituto Nazionale dei Tumori , Milan, Italy
| | - Nadia Zaffaroni
- Molecular Pharmacology Unit, Fondazione IRCCS Istituto Nazionale dei Tumori , Milan, Italy
| | | | | | - Andrea Balsari
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Milan, Italy; Molecular Targeting Unit, Milan, Italy
| | - Lucia Sfondrini
- Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano , Milan, Italy
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25
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Desoubeaux G, Reichert JM, Sleeman M, Reckamp KL, Ryffel B, Adamczewski JP, Sweeney TD, Vanbever R, Diot P, Owen CA, Page C, Lerondel S, Le Pape A, Heuze-Vourc'h N. Therapeutic monoclonal antibodies for respiratory diseases: Current challenges and perspectives, March 31 - April 1, 2016, Tours, France. MAbs 2016; 8:999-1009. [PMID: 27266390 PMCID: PMC4968091 DOI: 10.1080/19420862.2016.1196521] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Monoclonal antibody (mAb) therapeutics have tremendous potential to benefit patients with lung diseases, for which there remains substantial unmet medical need. To capture the current state of mAb research and development in the area of respiratory diseases, the Research Center of Respiratory Diseases (CEPR-INSERM U1100), the Laboratory of Excellence “MAbImprove,” the GDR 3260 “Antibodies and therapeutic targeting,” and the Grant Research program ARD2020 “Biotherapeutics” invited speakers from industry, academic and government organizations to present their recent research results at the Therapeutic Monoclonal Antibodies for Respiratory Diseases: Current challenges and perspectives congress held March 31 – April 1, 2016 in Tours, France.
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Affiliation(s)
- Guillaume Desoubeaux
- a Université François-Rabelais , Tours , France.,b INSERM, Center d'Etude des Pathologies Respiratoires , Tours , France.,c Centre Hospitalo-Universitaire de Tours , Tours , France
| | - Janice M Reichert
- d The Antibody Society , Framingham , MA , USA.,e Reichert Biotechnology Consulting LLC , Framingham MA , USA
| | | | - Karen L Reckamp
- g City of Hope, Comprehensive Cancer Center , Duarte , CA , USA
| | - Bernhard Ryffel
- h Université d'Orléans , Orléans , France.,i University of Cape Town, Institute of Infectious Disease and Molecular Medicine (IDM) , Cape Town , South Africa
| | | | | | - Rita Vanbever
- l Université Catholique de Louvain, Louvain Drug Research Institute , Brussels , Belgium
| | - Patrice Diot
- a Université François-Rabelais , Tours , France.,b INSERM, Center d'Etude des Pathologies Respiratoires , Tours , France.,c Centre Hospitalo-Universitaire de Tours , Tours , France
| | - Caroline A Owen
- m Harvard Medical School, Brigham and Women's Hospital , Boston , MA , USA.,n Lovelace Respiratory Research Institute , Albuquerque , NM , USA
| | - Clive Page
- o King's College, Sackler Institute of Pulmonary Pharmacology , London , UK
| | | | - Alain Le Pape
- a Université François-Rabelais , Tours , France.,b INSERM, Center d'Etude des Pathologies Respiratoires , Tours , France.,p PHENOMIN-TAAM CNRS, CIPA , Orléans , France
| | - Nathalie Heuze-Vourc'h
- a Université François-Rabelais , Tours , France.,b INSERM, Center d'Etude des Pathologies Respiratoires , Tours , France
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26
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Respaud R, Marchand D, Pelat T, Tchou-Wong KM, Roy CJ, Parent C, Cabrera M, Guillemain J, Mac Loughlin R, Levacher E, Fontayne A, Douziech-Eyrolles L, Junqua-Moullet A, Guilleminault L, Thullier P, Guillot-Combe E, Vecellio L, Heuzé-Vourc'h N. Development of a drug delivery system for efficient alveolar delivery of a neutralizing monoclonal antibody to treat pulmonary intoxication to ricin. J Control Release 2016; 234:21-32. [PMID: 27173943 DOI: 10.1016/j.jconrel.2016.05.018] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 05/06/2016] [Accepted: 05/07/2016] [Indexed: 12/13/2022]
Abstract
The high toxicity of ricin and its ease of production have made it a major bioterrorism threat worldwide. There is however no efficient and approved treatment for poisoning by ricin inhalation, although there have been major improvements in diagnosis and therapeutic strategies. We describe the development of an anti-ricin neutralizing monoclonal antibody (IgG 43RCA-G1) and a device for its rapid and effective delivery into the lungs for an application in humans. The antibody is a full-length IgG and binds to the ricin A-chain subunit with a high affinity (KD=53pM). Local administration of the antibody into the respiratory tract of mice 6h after pulmonary ricin intoxication allowed the rescue of 100% of intoxicated animals. Specific operational constraints and aerosolization stresses, resulting in protein aggregation and loss of activity, were overcome by formulating the drug as a dry-powder that is solubilized extemporaneously in a stabilizing solution to be nebulized. Inhalation studies in mice showed that this formulation of IgG 43RCA-G1 did not induce pulmonary inflammation. A mesh nebulizer was customized to improve IgG 43RCA-G1 deposition into the alveolar region of human lungs, where ricin aerosol particles mostly accumulate. The drug delivery system also comprises a semi-automatic reconstitution system to facilitate its use and a specific holding chamber to maximize aerosol delivery deep into the lung. In vivo studies in monkeys showed that drug delivery with the device resulted in a high concentration of IgG 43RCA-G1 in the airways for at least 6h after local deposition, which is consistent with the therapeutic window and limited passage into the bloodstream.
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Affiliation(s)
- Renaud Respaud
- Université François-Rabelais de Tours, UMR 1100, CHRU de Tours, Service de Pharmacie, F-37032 Tours, France; INSERM, Centre d'Etude des Pathologies Respiratoires, UMR 1100, F-37032 Tours, France
| | - Denis Marchand
- Université François Rabelais, UMR 1100, F-37032 Tours, France; INSERM, Centre d'Etude des Pathologies Respiratoires, UMR 1100, F-37032 Tours, France; Aerodrug, F-37032 Tours, France
| | - Thibaut Pelat
- Institut de Recherche Biomédicale des Armées (IRBA-CRSSA); Département de Microbiologie; Unité de biotechnologie des anticorps et des toxines; Brétigny sur Orge, France; BIOTEM, Parc d'activité Bièvre Dauphine, Apprieu, France
| | - Kam-Meng Tchou-Wong
- NYU School of Medicine, Department of Environmental Medicine, 57 Old Forge Road, Tuxedo, New York 10987, USA
| | - Chad J Roy
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, Louisiana, USA; Division of Microbiology, Tulane National Primate Research Center, Covington, Louisiana, USA
| | - Christelle Parent
- Université François Rabelais, UMR 1100, F-37032 Tours, France; INSERM, Centre d'Etude des Pathologies Respiratoires, UMR 1100, F-37032 Tours, France
| | - Maria Cabrera
- Université François Rabelais, UMR 1100, F-37032 Tours, France; INSERM, Centre d'Etude des Pathologies Respiratoires, UMR 1100, F-37032 Tours, France
| | - Joël Guillemain
- SESAME, Expertise en toxicologie, Chambray-les-tours, France
| | | | | | | | | | | | - Laurent Guilleminault
- Université François Rabelais, UMR 1100, F-37032 Tours, France; INSERM, Centre d'Etude des Pathologies Respiratoires, UMR 1100, F-37032 Tours, France
| | - Philippe Thullier
- Institut de Recherche Biomédicale des Armées (IRBA-CRSSA); Département de Microbiologie; Unité de biotechnologie des anticorps et des toxines; Brétigny sur Orge, France
| | - Emmanuelle Guillot-Combe
- DGA, Direction de la Stratégie (DS), Mission pour la recherche et l'Innovation scientifique (MRIS), France
| | - Laurent Vecellio
- Université François Rabelais, UMR 1100, F-37032 Tours, France; INSERM, Centre d'Etude des Pathologies Respiratoires, UMR 1100, F-37032 Tours, France; Aerodrug, F-37032 Tours, France
| | - Nathalie Heuzé-Vourc'h
- Université François Rabelais, UMR 1100, F-37032 Tours, France; INSERM, Centre d'Etude des Pathologies Respiratoires, UMR 1100, F-37032 Tours, France.
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27
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Barr MP, O'Byrne KJ, Al-Sarraf N, Gray SG. VEGF-mediated cell survival in non-small-cell lung cancer: implications for epigenetic targeting of VEGF receptors as a therapeutic approach. Epigenomics 2015; 7:897-910. [DOI: 10.2217/epi.15.51] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aims: To evaluate the potential therapeutic utility of histone deacetylase inhibitors (HDACi) in targeting VEGF receptors in non-small-cell lung cancer. Materials & methods: Non-small-cell lung cancer cells were screened for the VEGF receptors at the mRNA and protein levels, while cellular responses to various HDACi were examined. Results: Significant effects on the regulation of the VEGF receptors were observed in response to HDACi. These were associated with decreased secretion of VEGF, decreased cellular proliferation and increased apoptosis which could not be rescued by addition of exogenous recombinant VEGF. Direct remodeling of the VEGFR1 and VEGFR2 promoters was observed. In contrast, HDACi treatments resulted in significant downregulation of the Neuropilin receptors. Conclusion: Epigenetic targeting of the Neuropilin receptors may offer an effective treatment for lung cancer patients in the clinical setting.
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Affiliation(s)
- Martin P Barr
- Thoracic Oncology Research Group, School of Clinical Medicine, Institute of Molecular Medicine, Trinity Centre for Health Sciences, St James's Hospital & Trinity College Dublin, Dublin 8, Ireland
| | - Kenneth J O'Byrne
- Thoracic Oncology Research Group, School of Clinical Medicine, Institute of Molecular Medicine, Trinity Centre for Health Sciences, St James's Hospital & Trinity College Dublin, Dublin 8, Ireland
- Cancer & Ageing Research Program, Queensland University of Technology, Brisbane, Australia
| | - Nael Al-Sarraf
- Thoracic Oncology Research Group, School of Clinical Medicine, Institute of Molecular Medicine, Trinity Centre for Health Sciences, St James's Hospital & Trinity College Dublin, Dublin 8, Ireland
| | - Steven G Gray
- Thoracic Oncology Research Group, School of Clinical Medicine, Institute of Molecular Medicine, Trinity Centre for Health Sciences, St James's Hospital & Trinity College Dublin, Dublin 8, Ireland
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28
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Respaud R, Vecellio L, Diot P, Heuzé-Vourc’h N. Nebulization as a delivery method for mAbs in respiratory diseases. Expert Opin Drug Deliv 2015; 12:1027-39. [DOI: 10.1517/17425247.2015.999039] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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