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Li R, Hu X, Li W, Wu W, Xu J, Lin Y, Shi S, Dong C. Nebulized pH-Responsive Nanospray Combined with Pentoxifylline and Edaravone to Lungs for Efficient Treatments of Acute Respiratory Distress Syndrome. ACS APPLIED MATERIALS & INTERFACES 2024; 16:8310-8320. [PMID: 38343060 DOI: 10.1021/acsami.3c15691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
The COVID-19 pandemic has become an unprecedented global medical emergency, resulting in more than 5 million deaths. Acute respiratory distress syndrome (ARDS) caused by COVID-19, characterized by the release of a large number of pro-inflammatory cytokines and the production of excessive toxic ROS, is the most common serious complication leading to death. To develop new strategies for treating ARDS caused by COVID-19, a mouse model of ARDS was established by using lipopolysaccharide (LPS). Subsequently, we have constructed a novel nanospray with anti-inflammatory and antioxidant capacity by loading pentoxifylline (PTX) and edaravone (Eda) on zeolite imidazolate frameworks-8 (ZIF-8). This nanospray was endowed with synergetic therapy, which could kill two birds with one stone: (1) the loaded PTX played a powerful anti-inflammatory role by inhibiting the activation of inflammatory cells and the synthesis of pro-inflammatory cytokines; (2) Eda served as a free radical scavenger in ARDS. Furthermore, compared with the traditional intravenous administration, nanosprays can be administered directly and inhaled efficiently and reduce the risk of systemic adverse reactions greatly. This nanospray could not only coload two drugs efficiently but also realize acid-responsive release on local lung tissue. Importantly, ZIF8-EP nanospray showed an excellent therapeutic effect on ARDS in vitro and in vivo, which provided a new direction for the treatment of ARDS.
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Affiliation(s)
- Ruihao Li
- Department of Comprehensive Cancer Therapy, Shanghai East Hospital, School of Medicine, Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai 200092, P. R. China
| | - Xiaochun Hu
- School of Medicine, Shanghai University, Shanghai 200444, P. R. China
| | - Wenhui Li
- Shanghai Institute of Quality Inspection and Technical Research, Shanghai 201100, P. R. China
| | - Wenjing Wu
- Department of Comprehensive Cancer Therapy, Shanghai East Hospital, School of Medicine, Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai 200092, P. R. China
| | - Jin Xu
- Department of Comprehensive Cancer Therapy, Shanghai East Hospital, School of Medicine, Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai 200092, P. R. China
| | - Yun Lin
- Department of Comprehensive Cancer Therapy, Shanghai East Hospital, School of Medicine, Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai 200092, P. R. China
| | - Shuo Shi
- Department of Comprehensive Cancer Therapy, Shanghai East Hospital, School of Medicine, Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai 200092, P. R. China
| | - Chunyan Dong
- Department of Comprehensive Cancer Therapy, Shanghai East Hospital, School of Medicine, Shanghai Key Laboratory of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai 200092, P. R. China
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Praphawatvet T, Cui Z, Williams RO. Pharmaceutical dry powders of small molecules prepared by thin-film freezing and their applications – A focus on the physical and aerosol properties of the powders. Int J Pharm 2022; 629:122357. [DOI: 10.1016/j.ijpharm.2022.122357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 10/25/2022] [Accepted: 10/27/2022] [Indexed: 11/11/2022]
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An Update on Advancements and Challenges in Inhalational Drug Delivery for Pulmonary Arterial Hypertension. Molecules 2022; 27:molecules27113490. [PMID: 35684428 PMCID: PMC9182169 DOI: 10.3390/molecules27113490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 05/14/2022] [Accepted: 05/17/2022] [Indexed: 12/17/2022] Open
Abstract
A lethal condition at the arterial–alveolar juncture caused the exhaustive remodeling of pulmonary arterioles and persistent vasoconstriction, followed by a cumulative augmentation of resistance at the pulmonary vascular and, consequently, right-heart collapse. The selective dilation of the pulmonary endothelium and remodeled vasculature can be achieved by using targeted drug delivery in PAH. Although 12 therapeutics were approved by the FDA for PAH, because of traditional non-specific targeting, they suffered from inconsistent drug release. Despite available inhalation delivery platforms, drug particle deposition into the microenvironment of the pulmonary vasculature and the consequent efficacy of molecules are influenced by pathophysiological conditions, the characteristics of aerosolized mist, and formulations. Uncertainty exists in peripheral hemodynamics outside the pulmonary vasculature and extra-pulmonary side effects, which may be further exacerbated by underlying disease states. The speedy improvement of arterial pressure is possible via the inhalation route because it has direct access to pulmonary arterioles. Additionally, closed particle deposition and accumulation in diseased tissues benefit the restoration of remolded arterioles by reducing fallacious drug deposition in other organs. This review is designed to decipher the pathological changes that should be taken into account when targeting the underlying pulmonary endothelial vasculature, especially with regard to inhaled particle deposition in the alveolar vasculature and characteristic formulations.
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A Safety and Tolerability Study of Thin Film Freeze-Dried Tacrolimus for Local Pulmonary Drug Delivery in Human Subjects. Pharmaceutics 2021; 13:pharmaceutics13050717. [PMID: 34068391 PMCID: PMC8153550 DOI: 10.3390/pharmaceutics13050717] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 04/28/2021] [Accepted: 05/07/2021] [Indexed: 11/26/2022] Open
Abstract
Due to the low and erratic bioavailability of oral tacrolimus (TAC), the long-term survival rate following lung transplantation remained low compared to other solid organs. TAC was reformulated and developed as inhaled formulations by thin film freezing (TFF). Previous studies reported that inhaled TAC combined with 50% w/w lactose (LAC) was safe and effective for the treatment of lung transplant rejection in rodent models. In this study, we aimed to investigate the safety and tolerability of TFF TAC-LAC in human subjects. The formulation can be delivered to the lung as colloidal dispersions after reconstitution and as a dry powder. Healthy subjects inhaled TAC-LAC colloidal dispersions at 3 mg TAC/dose via a vibrating mesh nebulizer in the first stage of this study and TAC-LAC dry powder at 3 mg TAC/dose via a single dose dry powder inhaler in the second stage. Our results demonstrated that oral inhalation of TAC-LAC colloidal dispersions and dry powder exhibited low systemic absorption. Additionally, they were well-tolerated with no changes in CBC, liver, kidney, and lung functions. Only mild adverse side effects (e.g., cough, throat irritation, distaste) were observed. In summary, pulmonary delivery of TFF TAC-LAC would be a safe and promising therapy for lung transplant recipients.
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Brousseau S, Wang Z, Gupta SK, Meenach SA. Development of Aerosol Phospholipid Microparticles for the Treatment of Pulmonary Hypertension. AAPS PharmSciTech 2017; 18:3247-3257. [PMID: 28584899 DOI: 10.1208/s12249-017-0821-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 05/24/2017] [Indexed: 01/20/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is an incurable cardiovascular disease characterized by high blood pressure in the arteries leading from the heart to the lungs. Over two million people in the USA are diagnosed with PAH annually and the typical survival rate is only 3 years after diagnosis. Current treatments are insufficient because of limited bioavailability, toxicity, and costs associated with approved therapeutics. Aerosol delivery of drugs is an attractive approach to treat respiratory diseases because it increases localized drug concentration while reducing systemic side effects. In this study, we developed phospholipid-based aerosol microparticles via spray drying consisting of the drug tacrolimus and the excipients dipalmitoylphosphatidylcholine and dipalmitoylphosphatidylglycerol. The phospholipid-based spray-dried aerosol microparticles were shown to be smooth and spherical in size, ranging from 1 to 3 μm in diameter. The microparticles exhibited thermal stability and were amorphous after spray drying. Water content in the microparticles was under 10%, which will allow successful aerosol dispersion and long-term storage stability. In vitro aerosol dispersion showed that the microparticles could successfully deposit in the deep lung, as they exhibited favorable aerodynamic diameters and high fine particle fractions. In vitro dose-response analysis showed that TAC is nontoxic in the low concentrations that would be delivered to the lungs. Overall, this work shows that tacrolimus-loaded phospholipid-based microparticles can be successfully created with optimal physicochemical and toxicological characteristics.
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Das NA, Peters JI, Simmons JD, Wang Y, O'Donnell KP, DeArmond DT, Coalson JJ, Brooks EG, Johnson SB. The efficacy of inhaled nanoparticle tacrolimus in preventing rejection in an orthotopic rat lung transplant model. J Thorac Cardiovasc Surg 2017; 154:2144-2151.e1. [PMID: 28942970 DOI: 10.1016/j.jtcvs.2017.07.083] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 06/27/2017] [Accepted: 07/16/2017] [Indexed: 10/18/2022]
Abstract
OBJECTIVE The immunosuppressive efficacy of inhaled nanoparticle tacrolimus was compared with systemic tacrolimus in a rodent allogeneic lung transplant model. METHODS Sixteen rats underwent allogeneic left orthotopic lung transplantation and were divided into 3 treatment groups: (1) inhaled nanoparticle tacrolimus: 6.4 mg tacrolimus/6.4 mg lactose twice per day; (2) intramuscular tacrolimus: 1 mg/kg tacrolimus once per day; and (3) inhaled lactose: 6.4 mg of lactose twice per day. Five days after transplant, the rats were necropsied and underwent histologic rejection grading and cytokine analysis. Trough levels of tacrolimus were measured in allograft, blood, and kidney. RESULTS Both intramuscular (n = 6) and nanoparticle tacrolimus (n = 6) rats displayed lower histologic grades of rejection (mean scores 3.4 ± 0.6 and 4.6 ± 0.9, respectively) when compared with lactose rats (n = 4) (mean score 11.38 ± 0.5, P = .07). Systemic tacrolimus trough levels (median) were lower in nanoparticle tacrolimus-treated rats versus intramuscular-treated rats (29.2 vs 118.6 ng/g; P < .001 in kidney, and 1.5 vs 4.8 ng/mL; P = .01 in blood). CONCLUSIONS Inhaled nanoparticle tacrolimus provided similar efficacy in preventing acute rejection when compared with systemic tacrolimus while maintaining lower systemic levels.
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Affiliation(s)
- Nitin Andrew Das
- Department of Cardiothoracic Surgery, University of Texas Health Science Center at San Antonio, San Antonio, Tex.
| | - Jay I Peters
- Division of Pulmonology, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, Tex
| | - Jeremy D Simmons
- Department of Cardiothoracic Surgery, University of Texas Health Science Center at San Antonio, San Antonio, Tex
| | - Yibo Wang
- College of Pharmacy, University of Texas in Austin, Austin, Tex
| | | | - Daniel T DeArmond
- Department of Cardiothoracic Surgery, University of Texas Health Science Center at San Antonio, San Antonio, Tex
| | - Jacqueline J Coalson
- Department of Pathology, University of Texas Health Science Center at San Antonio, San Antonio, Tex
| | - Edward G Brooks
- Department of Pediatrics, University of Texas Health Science Center at San Antonio, San Antonio, Tex
| | - Scott B Johnson
- Department of Cardiothoracic Surgery, University of Texas Health Science Center at San Antonio, San Antonio, Tex
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Carvalho TC, McConville JT. The function and performance of aqueous aerosol devices for inhalation therapy. ACTA ACUST UNITED AC 2016; 68:556-78. [PMID: 27061412 DOI: 10.1111/jphp.12541] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Accepted: 02/05/2016] [Indexed: 12/11/2022]
Abstract
OBJECTIVES In this review paper, we explore the interaction between the functioning mechanism of different nebulizers and the physicochemical properties of the formulations for several types of devices, namely jet, ultrasonic and vibrating-mesh nebulizers; colliding and extruded jets; electrohydrodynamic mechanism; surface acoustic wave microfluidic atomization; and capillary aerosol generation. KEY FINDINGS Nebulization is the transformation of bulk liquids into droplets. For inhalation therapy, nebulizers are widely used to aerosolize aqueous systems, such as solutions and suspensions. The interaction between the functioning mechanism of different nebulizers and the physicochemical properties of the formulations plays a significant role in the performance of aerosol generation appropriate for pulmonary delivery. Certain types of nebulizers have consistently presented temperature increase during the nebulization event. Therefore, careful consideration should be given when evaluating thermo-labile drugs, such as protein therapeutics. We also present the general approaches for characterization of nebulizer formulations. SUMMARY In conclusion, the interplay between the dosage form (i.e. aqueous systems) and the specific type of device for aerosol generation determines the effectiveness of drug delivery in nebulization therapies, thus requiring extensive understanding and characterization.
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Affiliation(s)
- Thiago C Carvalho
- Bristol-Myers Squibb, Drug Product Science & Technology, New Brunswick, NJ, USA
| | - Jason T McConville
- Department of Pharmaceutical Sciences, University of New Mexico, Albuquerque, NM, USA
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Kuzmov A, Minko T. Nanotechnology approaches for inhalation treatment of lung diseases. J Control Release 2015; 219:500-518. [PMID: 26297206 DOI: 10.1016/j.jconrel.2015.07.024] [Citation(s) in RCA: 191] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 07/16/2015] [Accepted: 07/21/2015] [Indexed: 02/08/2023]
Abstract
Local administration of therapeutics by inhalation for treatment of lung diseases has the ability to deliver drugs, nucleic acids and peptides specifically to the site of their action and therefore enhance the efficacy of the treatment, limit the penetration of nebulized therapeutic agent(s) into the bloodstream and consequently decrease adverse systemic side effects of the treatment. Nanotechnology allows for a further enhancement of the treatment efficiency. The present review analyzes modern therapeutic approaches of inhaled nanoscale-based pharmaceutics for the detection and treatment of various lung diseases.
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Affiliation(s)
- Andriy Kuzmov
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, the State University of New Jersey, Piscataway 08854, USA
| | - Tamara Minko
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, the State University of New Jersey, Piscataway 08854, USA; Rutgers Cancer Institute of New Jersey, New Brunswick 08903, USA.
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Scheffert JL, Raza K. Immunosuppression in lung transplantation. J Thorac Dis 2014; 6:1039-53. [PMID: 25132971 DOI: 10.3978/j.issn.2072-1439.2014.04.23] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Accepted: 04/16/2014] [Indexed: 01/10/2023]
Abstract
Lung transplantation can be a life-saving procedure for those with end-stage lung diseases. Unfortunately, long term graft and patient survival are limited by both acute and chronic allograft rejection, with a median survival of just over 6 years. Immunosuppressive regimens are employed to reduce the rate of rejection, and while protocols vary from center to center, conventional maintenance therapy consists of triple drug therapy with a calcineurin inhibitor (cyclosporine or tacrolimus), antiproliferative agents [azathioprine (AZA), mycophenolate, sirolimus (srl), everolimus (evl)], and corticosteroids (CS). Roughly 50% of lung transplant centers also utilize induction therapy, with polyclonal antibody preparations [equine or rabbit anti-thymocyte globulin (ATG)], interleukin 2 receptor antagonists (IL2RAs) (daclizumab or basiliximab), or alemtuzumab. This review summarizes these agents and the data surrounding their use in lung transplantation, as well as additional common and novel therapies in lung transplantation. Despite the progression of the management of lung transplant recipients, they continue to be at high risk of treatment-related complications, and poor graft and patient survival. Randomized clinical trials are needed to allow for the development of better agents, regimens and techniques to address above mentioned issues and reduce morbidity and mortality among lung transplant recipients.
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Affiliation(s)
- Jenna L Scheffert
- 1 NewYork-Presbyterian Hospital/Columbia University Medical Center, Department of Pharmacy, USA ; 2 Lung Transplant Program, Department of Pulmonary, Allergy and Critical Care Medicine, Columbia University Medical Center, USA
| | - Kashif Raza
- 1 NewYork-Presbyterian Hospital/Columbia University Medical Center, Department of Pharmacy, USA ; 2 Lung Transplant Program, Department of Pulmonary, Allergy and Critical Care Medicine, Columbia University Medical Center, USA
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Wang YB, Watts AB, Peters JI, Liu S, Batra A, Williams RO. In vitro and in vivo performance of dry powder inhalation formulations: comparison of particles prepared by thin film freezing and micronization. AAPS PharmSciTech 2014; 15:981-93. [PMID: 24824172 DOI: 10.1208/s12249-014-0126-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Accepted: 04/10/2014] [Indexed: 11/30/2022] Open
Abstract
Recently, inhaled immunosuppressive agents have attracted increasing attention for maintenance therapy following lung transplantation. The rationale for this delivery approach includes a more targeted and localized delivery to the diseased site with reduced systemic exposure, potentially leading to decreased adverse side effects. In this study, the in vitro and in vivo performance of an amorphous formulation prepared by thin film freezing (TFF) and a crystalline micronized formulation produced by milling was compared for tacrolimus (TAC). Despite the relatively large geometric size, the TFF-processed formulation was capable of achieving deep lung delivery due to its low-density, highly porous, and brittle characteristics. When emitted from a Miat® monodose inhaler, TFF-processed TAC formulations exhibited a fine particle fraction (FPF) of 83.3% and a mass median aerodynamic diameter (MMAD) of 2.26 μm. Single-dose 24-h pharmacokinetic studies in rats demonstrated that the TAC formulation prepared by TFF exhibited higher pulmonary bioavailability with a prolonged retention time in the lung, possibly due to decreased clearance (e.g., macrophage phagocytosis), compared to the micronized TAC formulation. Additionally, TFF formulation generated a lower systemic TAC concentration with smaller variability than the micronized formulation following inhalation, potentially leading to reduced side effects related to the drug in systemic circulation.
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Wang YB, Watts A, Williams R. Effect of processing parameters on the physicochemical and aerodynamic properties of respirable brittle matrix powders. J Drug Deliv Sci Technol 2014. [DOI: 10.1016/s1773-2247(14)50079-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Inhaled tacrolimus modulates pulmonary fibrosis without promoting inflammation in bleomycin-injured mice. J Drug Deliv Sci Technol 2014. [DOI: 10.1016/s1773-2247(14)50090-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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O’Donnell KP, Cai Z, Schmerler P, Williams RO. Atmospheric freeze drying for the reduction of powder electrostatics of amorphous, low density, high surface area pharmaceutical powders. Drug Dev Ind Pharm 2012; 39:205-17. [DOI: 10.3109/03639045.2012.669385] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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