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Development of inhaled formulation of modified clofazimine as an alternative to treatment of tuberculosis. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101805] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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2
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Xia X, Tan Z, Fan Y, Hu Y, Deng J. Preparation and evaluation of a novel solid dispersion using leucine as carrier. J Pharm Pharmacol 2019; 72:175-184. [PMID: 31846087 DOI: 10.1111/jphp.13200] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Accepted: 10/21/2019] [Indexed: 12/15/2022]
Abstract
OBJECTIVE The aim of this study was to develop a novel formulation of oleanolic acid (OA) solid dispersion (SD), using leucine (Leu) as the carrier to improve OA oral bioavailability. METHODS The OA-Leu SD was prepared by solvent evaporation and was evaluated in vitro using differential scanning calorimetry, X-ray powder diffraction, scanning electron microscopy, flowability, hygroscopicity and dissolution test. The stability of the SD was evaluated using accelerated testing. In vivo pharmacokinetic tests were performed in male Sprague Dawley rats using a liquid chromatography tandem-mass spectrometry bioanalytical method. KEY FINDINGS OA-Leu SD was successfully prepared, and OA was mostly in an amorphous state. More than 80% of OA could dissolve in OA-Leu SD in 20 min, while only 13.4% of free OA dissolved. The powder flow of OA-Leu SD was clearly improved compared with free OA and its moisture absorption was 3.4%. The accelerated testing further demonstrated that SD could maintain OA in an amorphous state at 40 °C for 6 months. OA-Leu SD showed higher relative oral bioavailability (189.7%) than free OA in rats. CONCLUSIONS Using Leu as a carrier produced a SD with good flowability, low hygroscopicity and high bioavailability.
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Affiliation(s)
- Xiaojing Xia
- Department of Pharmaceutics, Zhejiang Pharmaceutical College, Ningbo, Zhejiang, China
| | - Zeng Tan
- Department of Pharmaceutics, Zhejiang Pharmaceutical College, Ningbo, Zhejiang, China
| | - Yaru Fan
- Department of Pharmaceutics, Zhejiang Pharmaceutical College, Ningbo, Zhejiang, China
| | - Ying Hu
- Department of Pharmaceutics, Zhejiang Pharmaceutical College, Ningbo, Zhejiang, China
| | - Jin Deng
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, Jiangsu, China
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3
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Xia Y, Su Y, Wang Q, Yang C, Tang B, Zhang Y, Tu J, Shen Y. Preparation, characterization, and pharmacodynamics of insulin-loaded fumaryl diketopiperazine microparticle dry powder inhalation. Drug Deliv 2019; 26:650-660. [PMID: 31257946 PMCID: PMC6609328 DOI: 10.1080/10717544.2019.1631408] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Purpose: With the increase of population aging and the proportion of overweight and obese, a growing number of people are suffering from diabetes. Insulin (INS) as the most widely used hypoglycemic agent was always chosen as the most effective treatment method of diabetes. In this study, fumaryl diketopiperazine (FDKP) was used as a carrier for the pulmonary delivery of insulin. Patients and methods: The INS-loaded FDKP microspheres (INS@FDKP-MPs) were prepared by spray drying and physicochemical properties (drug loading, particle size, flowability, moisture content, morphology, and crystalline state) were further investigated. Pharmacodynamics was investigated on diabetic model rats administrated by intratracheal insufflation. Results: The INS-loaded FDKP microspheres show satisfied flowability and in vitro deposition with FPF 50.2% and MMAD 3.45 ± 0.13 μm, and the blood glucose level was significantly decreased. Moreover, no inflammatory reaction was observed during the safety study. Conclusion: To sum up, the aim was to develop a non-injection system for insulin, INS@FDKP-MPs powder inhalation with high dose, low toxicity, and good lung deposition inhalation could rapidly decrease the blood glucose level without immune stimulation, which shows remarkably potential on diabetes treatment by pulmonary delivery route.
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Affiliation(s)
- Yun Xia
- a Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs , China Pharmaceutical University , Nanjing , China.,b State Key Laboratory of Nature Medicines, Department of Pharmaceutics , China Pharmaceutical University , Nanjing , China
| | - Yipeng Su
- a Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs , China Pharmaceutical University , Nanjing , China.,b State Key Laboratory of Nature Medicines, Department of Pharmaceutics , China Pharmaceutical University , Nanjing , China
| | - Qiyue Wang
- a Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs , China Pharmaceutical University , Nanjing , China.,b State Key Laboratory of Nature Medicines, Department of Pharmaceutics , China Pharmaceutical University , Nanjing , China
| | - Chen Yang
- a Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs , China Pharmaceutical University , Nanjing , China
| | - Baoqiang Tang
- a Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs , China Pharmaceutical University , Nanjing , China.,b State Key Laboratory of Nature Medicines, Department of Pharmaceutics , China Pharmaceutical University , Nanjing , China
| | - Yue Zhang
- a Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs , China Pharmaceutical University , Nanjing , China.,b State Key Laboratory of Nature Medicines, Department of Pharmaceutics , China Pharmaceutical University , Nanjing , China
| | - Jiasheng Tu
- a Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs , China Pharmaceutical University , Nanjing , China.,b State Key Laboratory of Nature Medicines, Department of Pharmaceutics , China Pharmaceutical University , Nanjing , China
| | - Yan Shen
- a Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs , China Pharmaceutical University , Nanjing , China.,b State Key Laboratory of Nature Medicines, Department of Pharmaceutics , China Pharmaceutical University , Nanjing , China
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4
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Th1/17-Biased Inflammatory Environment Associated with COPD Alters the Response of Airway Epithelial Cells to Viral and Bacterial Stimuli. Mediators Inflamm 2019; 2019:7281462. [PMID: 31534438 PMCID: PMC6732592 DOI: 10.1155/2019/7281462] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 06/25/2019] [Accepted: 07/22/2019] [Indexed: 01/20/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is characterized by airway inflammation associated with a Th1/17-biased cytokine environment. Acute exacerbations of COPD (AECOPD) are most often triggered by respiratory infections, which elicit an exaggerated inflammatory response in these patients, via poorly defined mechanisms. We investigated the responses of airway epithelial cells (AECs) to infective stimuli in COPD and the effects of the Th1/17-biased environment on these responses. Cytokine expression was assessed following exposure to virus-like stimuli (poly I:C or imiquimod) or bacterial LPS. The effects of pretreatment with Th1/17 cytokines were evaluated in both primary AECs and the Calu-3 AEC cell line. We found that poly I:C induced increased expression of the proinflammatory cytokines IL1β, IL6, CXCL8, and TNF and IFN-β1 in AECs from both control subjects and COPD patients. Expression of IL1β in response to all 3 stimuli was significantly enhanced in COPD AECs. Primary AECs pretreated with Th1/17 cytokines exhibited enhanced expression of mRNA for proinflammatory cytokines in response to poly I:C. Similarly, Calu-3 cells responded to virus-like/bacterial stimuli with increased expression of proinflammatory cytokines, and a Th1/17 environment significantly enhanced their expression. Furthermore, increased expression of pattern recognition receptors for viruses (TLR3, TLR7, IFIH1, and DDX58) was induced by Th1/17 cytokines, in both primary AECs and Calu-3 cells. These findings suggest that the Th1/17-biased environment associated with COPD may enhance the proinflammatory cytokine response of AECs to viral and bacterial infections and that increased signaling via upregulated receptors may contribute to exaggerated inflammation in virus-induced AECOPD.
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Huang Y, Huang Z, Zhang X, Zhao Z, Zhang X, Wang K, Ma C, Zhu C, Pan X, Wu C. Chitosan-based binary dry powder inhaler carrier with nanometer roughness for improving in vitro and in vivo aerosolization performance. Drug Deliv Transl Res 2018; 8:1274-1288. [PMID: 30112607 DOI: 10.1007/s13346-018-0564-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Suitable nanometer roughness favors interactions between drugs and carriers, and it is a promising approach to enhance the aerosolization performance of carrier-based dry powder inhalers (DPIs). In this study, by altering the molecular migration rates, chitosan-based binary carriers (CBBCs) with nanometer roughness were fabricated for DPIs. Comprehensive physicochemical characterizations were conducted to elucidate the formation mechanism of the CBBCs. It was hypothesized that different constituent ratios in the formulations would result in different assembling of the particles and diverse roughness scales. The fine particle fractions (FPF, approximately 40~60%) of nanometer roughness CBBC-based DPI formulations were satisfactory, demonstrating the enhancement of the in vitro aerodynamic performance. The positive correlation (R2 = 0.9883) between the nanometer roughness and FPF was revealed, and the surface roughness of 20 nm might achieve the best aerosolization performance. CBBCs (optimal formulations) showed no difference in cytotoxicity on A549 and Calu-3 cells (p > 0.05). Additionally, the increased Cmax and AUC0-8h of the formulation with the nanometer roughness (p < 0.05) were observed in pharmacokinetic studies, which resulted from the improved in vivo aerosolization performance. In summary, the CBBCs were a prospective tool to improve the in vitro and in vivo aerosolization performance of DPIs. Graphical abstract ᅟ.
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Affiliation(s)
- Ying Huang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, Guangdong, People's Republic of China
| | - Zhengwei Huang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, Guangdong, People's Republic of China
| | - Xuejuan Zhang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, Guangdong, People's Republic of China.,Institute for Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China
| | - Ziyu Zhao
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, Guangdong, People's Republic of China
| | - Xuan Zhang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, Guangdong, People's Republic of China.,Department of Pharmacy, Northern Jiangsu People's Hospital, Yangzhou, 225001, Jiangsu, People's Republic of China
| | - Kexin Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, Guangdong, People's Republic of China
| | - Cheng Ma
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, Guangdong, People's Republic of China
| | - Chune Zhu
- Institute for Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China
| | - Xin Pan
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, Guangdong, People's Republic of China.
| | - Chuanbin Wu
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, Guangdong, People's Republic of China
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Vartiainen V, Raula J, Bimbo LM, Viinamäki J, Backman JT, Ugur N, Kauppinen E, Sutinen E, Joensuu E, Koli K, Myllärniemi M. Pulmonary administration of a dry powder formulation of the antifibrotic drug tilorone reduces silica-induced lung fibrosis in mice. Int J Pharm 2018; 544:121-128. [PMID: 29655797 DOI: 10.1016/j.ijpharm.2018.04.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 04/09/2018] [Accepted: 04/10/2018] [Indexed: 11/17/2022]
Abstract
The aim of this work was to study the antifibrotic effect of pulmonary administration of tilorone to lung fibrosis. L-leucine coated tilorone particles were prepared and their aerosolization properties were analyzed using two dry powder inhalers (Easyhaler and Twister). In addition, the biological activity and cell monolayer permeation was tested. The antifibrotic effect of tilorone delivered by oropharyngeal aspiration was studied in vivo using a silica-induced model of pulmonary fibrosis in mice in a preventive setting. When delivered from the Easyhaler in an inhalation simulator, the emitted dose and fine particle fraction were independent from the pressure applied and showed dose repeatability. However, with Twister the aerosolization was pressure-dependent indicating poor compatibility between the device and the formulation. The formulation showed more consistent permeation through a differentiated Calu-3 cell monolayer compared to pristine tilorone. Tilorone decreased the histological fibrosis score in vivo in systemic and local administration, but only systemic administration decreased the mRNA expression of type I collagen. The difference was hypothesized to result from 40-fold higher drug concentration in tissue samples in the systemic administration group. These results show that tilorone can be formulated as inhalable dry powder and has potential as an oral and inhalable antifibrotic drug.
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Affiliation(s)
- Ville Vartiainen
- Department of Clinical Medicine, Division of Pulmonary Medicine, University of Helsinki, Finland; Research Programs Unit, Translational Cancer Biology, University of Helsinki, Finland.
| | - Janne Raula
- Department of Applied Physics, Aalto University School of Science, Finland
| | - Luis M Bimbo
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, United Kingdom; Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, Finland
| | - Jenni Viinamäki
- Department of Clinical Pharmacology, University of Helsinki and Helsinki University Hospital, Finland
| | - Janne T Backman
- Department of Clinical Pharmacology, University of Helsinki and Helsinki University Hospital, Finland
| | - Nurcin Ugur
- Department of Applied Physics, Aalto University School of Science, Finland
| | - Esko Kauppinen
- Department of Applied Physics, Aalto University School of Science, Finland
| | - Eva Sutinen
- Department of Clinical Medicine, Division of Pulmonary Medicine, University of Helsinki, Finland
| | - Emmi Joensuu
- Research Programs Unit, Translational Cancer Biology, University of Helsinki, Finland
| | - Katri Koli
- Research Programs Unit, Translational Cancer Biology, University of Helsinki, Finland
| | - Marjukka Myllärniemi
- University of Helsinki and Helsinki University Hospital, Heart and Lung Center and HUH Diagnostics, Pulmonary Medicine, Finland
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7
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Wang Q, Mi G, Hickey D, Li Y, Tu J, Webster TJ, Shen Y. Azithromycin-loaded respirable microparticles for targeted pulmonary delivery for the treatment of pneumonia. Biomaterials 2018; 160:107-123. [PMID: 29407340 DOI: 10.1016/j.biomaterials.2018.01.022] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 01/04/2018] [Accepted: 01/14/2018] [Indexed: 12/19/2022]
Abstract
Pneumonia is a major contributor to infection-based hospitalizations and deaths in the United States. Antibiotics such as azithromycin (AZM), although effective at managing pneumonia, often suffer from off-target diffusion and poor bioavailability when administered orally or via intravenous injection. The formation of biofilms at the disease sites makes the treatment more complicated by protecting bacteria from antimicrobial agents and thus necessitating a much higher dosage of antibiotics to eradicate the biofilms. As such, targeted pulmonary delivery of antibiotics has emerged as a promising alternative by providing direct access to the lung while also allowing higher local therapeutic concentrations but minimal systemic exposure. In this study, AZM was encapsulated in N-fumaroylated diketopiperazine (FDKP) microparticles for efficient pulmonary delivery. Both in vitro and in vivo results demonstrated that AZM@FDKP-MPs administered via intratracheal insufflation achieved at least a 3.4 times higher local concentration and prolonged retention times compared to intravenous injection and oral administration, suggesting their potential to better manage bacterial pneumonia.
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Affiliation(s)
- Qiyue Wang
- Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs, Department of Pharmaceutics, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Gujie Mi
- Department of Chemical Engineering, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, United States
| | - Daniel Hickey
- Department of Chemical Engineering, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, United States
| | - Yanan Li
- Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs, Department of Pharmaceutics, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China
| | - Jiasheng Tu
- Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs, Department of Pharmaceutics, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China.
| | - Thomas J Webster
- Department of Chemical Engineering, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, United States.
| | - Yan Shen
- Center for Research Development and Evaluation of Pharmaceutical Excipients and Generic Drugs, Department of Pharmaceutics, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, China.
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8
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Kääriäinen TO, Kemell M, Vehkamäki M, Kääriäinen ML, Correia A, Santos HA, Bimbo LM, Hirvonen J, Hoppu P, George SM, Cameron DC, Ritala M, Leskelä M. Surface modification of acetaminophen particles by atomic layer deposition. Int J Pharm 2017; 525:160-174. [PMID: 28432020 DOI: 10.1016/j.ijpharm.2017.04.031] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 04/12/2017] [Accepted: 04/13/2017] [Indexed: 12/25/2022]
Abstract
Active pharmaceutical ingredients (APIs) are predominantly organic solid powders. Due to their bulk properties many APIs require processing to improve pharmaceutical formulation and manufacturing in the preparation for various drug dosage forms. Improved powder flow and protection of the APIs are often anticipated characteristics in pharmaceutical manufacturing. In this work, we have modified acetaminophen particles with atomic layer deposition (ALD) by conformal nanometer scale coatings in a one-step coating process. According to the results, ALD, utilizing common chemistries for Al2O3, TiO2 and ZnO, is shown to be a promising coating method for solid pharmaceutical powders. Acetaminophen does not undergo degradation during the ALD coating process and maintains its stable polymorphic structure. Acetaminophen with nanometer scale ALD coatings shows slowed drug release. ALD TiO2 coated acetaminophen particles show cytocompatibility whereas those coated with thicker ZnO coatings exhibit the most cytotoxicity among the ALD materials under study when assessed in vitro by their effect on intestinal Caco-2 cells.
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Affiliation(s)
- Tommi O Kääriäinen
- Laboratory of Inorganic Chemistry, University of Helsinki, P.O. Box 55 (A.I.Virtasen aukio 1), FI-00014 Helsinki, Finland; Department of Chemistry and Biochemistry and Department of Mechanical Engineering, University of Colorado, Boulder, CO 80309, United States; NovaldMedical Ltd Oy, Telkäntie 5, 82500 Kitee, Finland.
| | - Marianna Kemell
- Laboratory of Inorganic Chemistry, University of Helsinki, P.O. Box 55 (A.I.Virtasen aukio 1), FI-00014 Helsinki, Finland
| | - Marko Vehkamäki
- Laboratory of Inorganic Chemistry, University of Helsinki, P.O. Box 55 (A.I.Virtasen aukio 1), FI-00014 Helsinki, Finland
| | - Marja-Leena Kääriäinen
- Department of Chemistry and Biochemistry and Department of Mechanical Engineering, University of Colorado, Boulder, CO 80309, United States; NovaldMedical Ltd Oy, Telkäntie 5, 82500 Kitee, Finland
| | - Alexandra Correia
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland
| | - Hélder A Santos
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland
| | - Luis M Bimbo
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland
| | - Jouni Hirvonen
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, FI-00014 Helsinki, Finland
| | - Pekka Hoppu
- NovaldMedical Ltd Oy, Telkäntie 5, 82500 Kitee, Finland
| | - Steven M George
- Department of Chemistry and Biochemistry and Department of Mechanical Engineering, University of Colorado, Boulder, CO 80309, United States
| | - David C Cameron
- R&D Centre for Low-Cost Plasma and Nanotechnology Surface Modification, Masaryk University, Kotlářská 267/2, 611 37 Brno, Czech Republic
| | - Mikko Ritala
- Laboratory of Inorganic Chemistry, University of Helsinki, P.O. Box 55 (A.I.Virtasen aukio 1), FI-00014 Helsinki, Finland
| | - Markku Leskelä
- Laboratory of Inorganic Chemistry, University of Helsinki, P.O. Box 55 (A.I.Virtasen aukio 1), FI-00014 Helsinki, Finland
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Vartiainen V, Bimbo LM, Hirvonen J, Kauppinen EI, Raula J. Aerosolization, Drug Permeation and Cellular Interaction of Dry Powder Pulmonary Formulations of Corticosteroids with Hydroxypropyl-β-Cyclodextrin as a Solubilizer. Pharm Res 2016; 34:25-35. [DOI: 10.1007/s11095-016-2035-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Accepted: 09/01/2016] [Indexed: 11/29/2022]
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