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Said-Elbahr R, Nasr M, Alhnan MA, Taha I, Sammour O. Simultaneous pulmonary administration of celecoxib and naringin using a nebulization-friendly nanoemulsion: A device-targeted delivery for treatment of lung cancer. Expert Opin Drug Deliv 2022; 19:611-622. [PMID: 35538642 DOI: 10.1080/17425247.2022.2076833] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Lung cancer is a principal cause of death worldwide, and its treatment is very challenging. Nebulization offers a promising means of targeting drugs to their site of action in the lung. RESEARCH DESIGN AND METHODS In the present study, nebulizable oil in water nanoemulsion formulations were co-loaded with naringin/celecoxib, and tested for pulmonary administration by different nebulizer types. RESULTS : The translucent appearance of nanoemulsion formulations was revealed, with particle size (75-106 nm), zeta potential (-3.42 to -4.86 mV), and controlled in-vitro release profiles for both drugs. The nanoemulsions showed favourable stability profiles, and superior cytotoxicity on A549 lung cancer cells. Aerosolization studies on the selected nanoemulsion formulation revealed its high stability during nebulization, with the generation of an aerosol of small volume median diameter, and mass median aerodynamic diameter lower than 5 µm. Moreover, it demonstrated considerable safety and bioaccumulation in lung tissues, in addition to accumulation in the brain, liver and bones which are the main organs to which lung cancer metastasizes. CONCLUSIONS Nanoemulsion proved to be a promising nebulizable system, which paves the way for treatment of pulmonary diseases other than lung cancer.
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Affiliation(s)
- Ramy Said-Elbahr
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt.,School of Pharmacy and Biomedical Sciences, University of Central Lancashire, Preston, UK
| | - Maha Nasr
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Mohamed A Alhnan
- School of Pharmacy and Biomedical Sciences, University of Central Lancashire, Preston, UK.,Institute of Pharmaceutical Science, King's College London, London, UK
| | - Ismail Taha
- Hot lab. Centre, Atomic Energy Authority, Cairo, Egypt.,Faculty of Pharmacy, AL Bayan University, Baghdad, Iraq
| | - Omaima Sammour
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
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2
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Khan I, Hussein S, Houacine C, Khan Sadozai S, Islam Y, Bnyan R, Elhissi A, Yousaf S. Fabrication, characterization and optimization of nanostructured lipid carrier formulations using Beclomethasone dipropionate for pulmonary drug delivery via medical nebulizers. Int J Pharm 2021; 598:120376. [PMID: 33617949 DOI: 10.1016/j.ijpharm.2021.120376] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 02/04/2021] [Accepted: 02/06/2021] [Indexed: 01/03/2023]
Abstract
Aerosolization is a non-invasive approach in drug delivery for localized and systemic effect. Nanostructured lipid carriers (NLCs) are new generation versatile carriers, which offer protection from degradation and enhance bioavailability of poorly water soluble drugs. The aim of this study was to develop and optimize NLC formulations in combination with optimized airflow rates (i.e. 60 and 15 L/min) and choice of medical nebulizers including Air jet, Vibrating mesh and Ultrasonic nebulizer for superior aerosolization performance, assessed via a next generation impactor (NGI). Novel composition and combination of NLC formulations (F1 - F15) were prepared via ultrasonication method, employing five solid lipids (glycerol trimyristate (GTM), glycerol trilaurate (GTL), cetyl palmitate (CP), glycerol monostearate (GMS) and stearic acid (SA)); and three liquid lipids (glyceryl tributyrate (GTB), propylene glycol dicaprylate/dicaprate (PGD) and isopropyl palmitate (IPP)) in 1:3 w/w ratios (i.e. combination of one solid and one liquid lipid), with Beclomethasone dipropionate (BDP) incorporated as the model drug. Out of fifteen BDP-NLC formulations, the physicochemical properties of formulations F7, F8 and F10 exhibited desirable stability (one week at 25 °C), with associated particle size of ~241 nm, and >91% of drug entrapment. Post aerosolization, F10 was observed to deposit notably smaller sized particles (from 198 to 136 nm, 283 to 135 nm and 239 to 157 nm for Air jet, Vibrating mesh and Ultrasonic nebulizers, respectively) in all stages (i.e. from stage 1 to 8) of the NGI, when compared to F7 and F8 formulations. Six week stability studies conducted at 4, 25 and 45 °C, demonstrated F10 formulation stability in terms of particle size, irrespective of temperature conditions. Nebulizer performance study using the NGI for F10 identified the Air jet to be the most efficient nebulizer, depositing lower concentrations of BDP in the earlier stages (1-3) and higher (circa 82 and 85%) in the lateral stages (4-8) using 60 and 15 L/min airflow rates, when compared to the Vibrating mesh and Ultrasonic nebulizers. Moreover, at both airflow rates, the Air jet nebulizer elicited a longer nebulization time of ~42 min, facilitating aerosol inhalation for prophylaxis of asthma with normal tidal breathing. Based on characterization and nebulizer performance employing both 60 and 15 L/min airflow rates, the Air jet nebulizer offered enhanced performance, exhibiting a higher fine particle dose (FPD) (90 and 69 µg), fine particle fraction (FPF) (70 and 54%), respirable fraction (RF) (92 and 69%), and lower mass median aerodynamic diameter (MMAD) (1.15 and 1.62 µm); in addition to demonstrating higher drug deposition in the lateral parts of the NGI, when compared to its counterpart nebulizers. The F10 formulation used with the Air jet nebulizer was identified as being the most suitable combination for delivery of BDP-NLC formulations.
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Affiliation(s)
- Iftikhar Khan
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, United Kingdom.
| | - Sozan Hussein
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, United Kingdom
| | - Chahinez Houacine
- School of Pharmacy and Biomedical Sciences, University of Central Lancashire, Preston PR1 2HE, United Kingdom
| | - Sajid Khan Sadozai
- Department of Pharmacy, Kohat University of Science and Technology, Kohat, Pakistan
| | - Yamir Islam
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, United Kingdom
| | - Ruba Bnyan
- School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, United Kingdom
| | - Abdelbary Elhissi
- Pharmaceutical Sciences Section, College of Pharmacy, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Sakib Yousaf
- Department of Pharmacy, Kohat University of Science and Technology, Kohat, Pakistan
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3
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Wang W, Huang Z, Xue K, Li J, Wang W, Ma J, Ma C, Bai X, Huang Y, Pan X, Wu C. Development of Aggregation-Caused Quenching Probe-Loaded Pressurized Metered-Dose Inhalers with Fluorescence Tracking Potentials. AAPS PharmSciTech 2020; 21:296. [PMID: 33099699 DOI: 10.1208/s12249-020-01782-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 08/11/2020] [Indexed: 02/07/2023] Open
Abstract
Recently, pressurized metered-dose inhalers (pMDIs) are getting more attention as an effective approach of pulmonary drug delivery, and nanoparticle-based formulations have become a new generation of pMDIs, especially for water insoluble drugs. Up until now, there is no clinical application of nanoparticle-based pMDIs. The main hurdle remains in the lack of knowledge of the in vivo fate of those systems. In this study, a fluorescent probe named P4 with aggregation-caused quenching (ACQ) effect was loaded in the nanoparticle-based pMDIs to track the in vivo fate. P4 probe expressed strong fluorescence when distributed in intact nanoparticles, but quenched in the in vivo aqueous environment due to molecular aggregation. Experimentally, P4 probe was encapsulated into solid lipid nanoparticles (SLN) as P4-SLN, and then, the formulation of pMDIs was optimized. The content (w/w) of the optimal formulation (P4-SLN-pMDIs) was as follows: 6.02% Pluronic® L64, 12.03% ethanol, 0.46% P4-SLN, and 81.49% 1,1,1,2-tetrafluoroethane (HFA-134a). P4-SLN-pMDI was transparent in appearance, possessed a particle size of 132.07 ± 3.56 nm, and the fine particle fraction (FPF) was 39.53 ± 1.94%, as well good stability was shown within 10 days. The results indicated P4-SLN-pMDI was successfully prepared. Moreover, the ACQ property of P4-SLN-pMDIs was verified, which ensured the fluorescence property as a credible tool for in vivo fate study. Taken together, this work established a platform that could provide a firm theoretical support for exploration of the in vivo fate of nanoparticle-based pMDIs in subsequent studies. Grapical abstract.
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4
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Shan T, Zhang H, Chen C, Chen A, Shi X, Gao X. Low expression levels of nicotinic acetylcholine receptor subunits Boα1 and Boβ1 are associated with imidacloprid resistance in Bradysia odoriphaga. PEST MANAGEMENT SCIENCE 2020; 76:3038-3045. [PMID: 32285608 DOI: 10.1002/ps.5854] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 03/20/2020] [Accepted: 04/13/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Neonicotinoid insecticide imidacloprid acts on insect nicotinic acetylcholine receptors (nAChRs). The mechanisms of insect resistance to imidacloprid include target-site alteration and increased detoxification metabolism. In Bradysia odoriphaga, cytochrome P450 monooxygenase has been found involved in metabolic resistance to imidacloprid. However, the situation of target-site related resistance to imidacloprid in B. odoriphaga is still unknown. RESULTS Nine field-collected B. odoriphaga populations showed various sensitivities to imidacloprid compared with the susceptible (SS) strain, including susceptibility, decreased susceptibility, low resistance, moderate resistance and high resistance. Seven nAChR subunit genes including α1, α2, α3, α7, α8, β1 and β3, were examined for site mutation and changes in transcription levels in field populations. No nAChR polymorphism potentially related to the resistant phenotypes was found. However, differential expression of nAChR subunit genes was found in imidacloprid resistant field population. In high imidacloprid resistant population LC-2 (93.14-fold resistance), the transcription levels of α1, α2 and β1 subunits were significantly down-regulated, while the transcription levels of α3 and α8 subunits were significantly up-regulated, compared with that in SS strain. In addition, imidacloprid acute exposure induced differential expression of nAChR subunit genes in B. odoriphaga. Furthermore, RNA interference (RNAi) suppressed the transcriptional expression of Boα1 and Boβ1, and decreased mortality of B. odoriphaga by 23.03% and 18.69%, respectively, when treated with imidacloprid. CONCLUSION These results indicated that, although no target-site mutation was found in imidacloprid resistant B. odoriphaga population, the reduced expression of α1 and β1 subunits contributed to B. odoriphaga resistance to imidacloprid. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Tisheng Shan
- Department of Entomology, China Agricultural University, Beijing, China
| | - Huihui Zhang
- Department of Entomology, China Agricultural University, Beijing, China
| | - Chengyu Chen
- Department of Entomology, China Agricultural University, Beijing, China
| | - Anqi Chen
- Department of Entomology, China Agricultural University, Beijing, China
| | - Xueyan Shi
- Department of Entomology, China Agricultural University, Beijing, China
| | - Xiwu Gao
- Department of Entomology, China Agricultural University, Beijing, China
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5
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Shi C, Zhang S, Hu J, Zhang Y. Effects of Non-Lethal High-Temperature Stress on Bradysia odoriphaga (Diptera: Sciaridae) Larval Development and Offspring. INSECTS 2020; 11:E159. [PMID: 32121534 PMCID: PMC7142861 DOI: 10.3390/insects11030159] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/24/2020] [Accepted: 02/28/2020] [Indexed: 11/18/2022]
Abstract
Throughout China, the dipteran pest Bradysia odoriphaga significantly reduces Chinese chive production; therefore, identifying conditions that influence its growth and development is crucial for developing ecological regulation strategies. In this study, different non-lethal high temperatures and treatment durations were used to stress the third-instar larvae of B. odoriphaga, and the effects of this treatment on their growth and offspring were recorded and analyzed. The results showed that the average larval mortality increased with increased temperature and prolonged exposure times. After stress treatment at 40 °C for 2 h, 100% of larvae died within 5 days, which was not significantly different from the 5-day average larval mortality (90.66%) after stress at 37 °C for 4 h, but significantly higher than the 5-day average larval mortality (72.00%) after stress at 40 °C for 1 h. After 5 days, all still-living larvae could pupate, and there was no significant difference in average pupal period after pupation. However, the eclosion rate of subsequent pupae decreased with increased temperature and prolonged exposure times, and were only 43.00% and 42.73% after larvae were stressed at 37 °C for 4 h and 40 °C for 1 h, respectively. After eclosion into adults, there was no significant difference in the lifespan of unmated female adults, while the lifespan of unmated male adults was significantly reduced to 1.67 d and 2 d after larvae were stressed at 37 °C for 4 h and 40 °C for 1 h, respectively. However, there was no significant difference in male and female adult longevity after mating. There was no significant difference in oviposition or egg hatchability. This indicates that non-lethal high temperature at 37 °C for 4 h can hinder development and allow control of B. odoriphaga. There is great potential for non-lethal high temperature to be applied in the field to control agricultural pests.
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Affiliation(s)
- Caihua Shi
- Forewarning and Management of Agricultural and Forestry Pests, Hubei Engineering Technology Center, Yangtze University, Jingzhou 434025, Hubei, China; (C.S.); (S.Z.)
| | - Seng Zhang
- Forewarning and Management of Agricultural and Forestry Pests, Hubei Engineering Technology Center, Yangtze University, Jingzhou 434025, Hubei, China; (C.S.); (S.Z.)
| | - Jingrong Hu
- Forewarning and Management of Agricultural and Forestry Pests, Hubei Engineering Technology Center, Yangtze University, Jingzhou 434025, Hubei, China; (C.S.); (S.Z.)
| | - Youjun Zhang
- Department of Plant Protection, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
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Zhang X, Zhao Z, Cui Y, Liu F, Huang Z, Huang Y, Zhang R, Freeman T, Lu X, Pan X, Tan W, Wu C. Effect of powder properties on the aerosolization performance of nanoporous mannitol particles as dry powder inhalation carriers. POWDER TECHNOL 2019. [DOI: 10.1016/j.powtec.2018.08.058] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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7
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Bodas DS, Ige PP. Central composite rotatable design for optimization of budesonide-loaded cross-linked chitosan–dextran sulfate nanodispersion: characterization, in vitro diffusion and aerodynamic study. Drug Dev Ind Pharm 2019; 45:1193-1204. [DOI: 10.1080/03639045.2019.1606823] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Divyanka Shrikant Bodas
- Department of Pharmaceutics, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, India
| | - Pradum Pundlikrao Ige
- Department of Pharmaceutics, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, India
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8
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Zhang Y, Cheng BCY, Li C, Tao Y, Yu C, Liu X, Gao X, Luo G. Characterization and comparison of Re-Du-Ning aerosol particles generated by different jet nebulizers. RSC Adv 2019; 9:30292-30301. [PMID: 35530199 PMCID: PMC9072082 DOI: 10.1039/c9ra06177k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 09/18/2019] [Indexed: 01/04/2023] Open
Abstract
Inhalation therapy is the first-line therapy for the treatment of respiratory diseases. Re-Du-Ning inhalation solution (RIS) is an aerosol derivative from the Re-Du-Ning injection and has been clinically used to treat respiratory diseases like pneumonia for more than twenty years in China. However, the aerosolization and inhalation performances of RIS using different nebulizers have not been characterized, which may affect the therapeutic effects of RIS on respiratory diseases. We investigated the inhalation performances of RIS using five different nebulizers utilizing Spraytec, breath simulator of BRS 2000 and NGI techniques. We tested 5 different types of jet nebulizer, using RIS and an adult breathing pattern, to determine the difference in aerosol delivery over time. The particle size distribution of RIS was monitored by a Spraytec laser particle sizer. Fine particle fraction (FPF) and mass median aerodynamic diameter (MMAD) for RIS were measured using NGI. Aerosol deposited on the filter was analysed using HPLC. Nebulization time was much longer for the Pari Boy SX (red) nebulizer than for the other nebulizers, with the minimum delivery rate (DR) and the maximum total delivered dose (TDD) and total exhalation dose (TED). Nebulization time for Pari Boy SX (blue) was the lowest, with the highest DR and the lowest TDD and TED. Furthermore, the aerodynamic particle size of RIS was much larger for the Pari blue and Pari LC Plus than other nebulizers. Pari red produced the smallest aerodynamic particle size of RIS in these five nebulizers. In addition, a good linear relationship was found between MMAD and D50 in these five nebulizers. The results demonstrated that Pari Boy SX (red) delivered most slowly and produced the smallest aerodynamic particle size of the RIS aerosols, which may be applied to manage lower respiratory diseases. Moreover, Pari LC Plus and Pari Boy SX (blue) emitted quickly and generated larger aerodynamic particle size of RIS aerosols, which could be used to treat upper respiratory diseases. A good linear relationship between MMAD and D50 showed Spraytec could be a reliable technique for the development, evaluation and quality control of aerosol particles of inhalation solution preparations. Delivery dose uniformity determination by BRS 2000 breath simulator and realtime particle size distribution monitoring by Spraytec.![]()
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Affiliation(s)
- Yi Zhang
- School of Chinese Materia Medica
- Beijing University of Chinese Medicine
- Beijing 100102
- China
| | - Brian Chi-Yan Cheng
- College of Professional and Continuing Education
- Hong Kong Polytechnic University
- China
- Quality Healthcare Medical Services
- China
| | - Cui Li
- China Institute of Chinese Materia Medica
- China Academy of Chinese Medical Science
- Beijing 100700
- China
| | - Yonghua Tao
- Increase Pharm (Tianjin) Institute Co., Ltd
- Tianjin 300382
- China
| | - Chanjuan Yu
- School of Chinese Materia Medica
- Beijing University of Chinese Medicine
- Beijing 100102
- China
- Interdisciplinary Research Center on Multi-omics of TCM
| | - Xinyue Liu
- School of Chinese Materia Medica
- Beijing University of Chinese Medicine
- Beijing 100102
- China
- Interdisciplinary Research Center on Multi-omics of TCM
| | - Xiaoyan Gao
- School of Chinese Materia Medica
- Beijing University of Chinese Medicine
- Beijing 100102
- China
- Interdisciplinary Research Center on Multi-omics of TCM
| | - Gan Luo
- School of Chinese Materia Medica
- Beijing University of Chinese Medicine
- Beijing 100102
- China
- Interdisciplinary Research Center on Multi-omics of TCM
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Zhao Z, Huang Z, Zhang X, Huang Y, Cui Y, Ma C, Wang G, Freeman T, Lu XY, Pan X, Wu C. Low density, good flowability cyclodextrin-raffinose binary carrier for dry powder inhaler: anti-hygroscopicity and aerosolization performance enhancement. Expert Opin Drug Deliv 2018. [PMID: 29532682 DOI: 10.1080/17425247.2018.1450865] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
BACKGROUND The hygroscopicity of raffinose carrier for dry powder inhaler (DPI) was the main obstacle for its further application. Hygroscopicity-induced agglomeration would cause deterioration of aerosolization performance of raffinose, undermining the delivery efficiency. METHODS Cyclodextrin-raffinose binary carriers (CRBCs) were produced by spray-drying so as to surmount the above issue. Physicochemical attributes and formation mechanism of CRBCs were explored in detail. The flow property of CRBCs was examined by FT4 Powder Rheometer. Hygroscopicity of CRBCs was elucidated by dynamic vapor sorption study. Aerosolization performance was evaluated by in vitro deposition profile and in vivo pharmacokinetic profile of CRBC based DPI formulations. RESULTS The optimal formulation of CRBC (R4) was proven to possess anti-hygroscopicity and aerosolization performance enhancement properties. Concisely, the moisture uptake of R4 was c.a. 5% which was far lower than spray-dried raffinose (R0, c.a. 65%). R4 exhibited a high fine particle fraction value of 70.56 ± 0.61% and it was 3.75-fold against R0. The pulmonary and plasmatic bioavailability of R4 were significantly higher than R0 (p < 0.05). CONCLUSION CRBC with anti-hygroscopicity and aerosolization performance enhancement properties was a promising approach for pulmonary drug delivery, which could provide new possibilities to the application of hygroscopic carriers for DPI.
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Affiliation(s)
- Ziyu Zhao
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , P.R. China
| | - Zhengwei Huang
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , P.R. China
| | - Xuejuan Zhang
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , P.R. China.,b Institute for Biomedical and Pharmaceutical Sciences , Guangdong University of Technology , Guangzhou , P.R. China
| | - Ying Huang
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , P.R. China
| | - Yingtong Cui
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , P.R. China
| | - Cheng Ma
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , P.R. China
| | - Guanlin Wang
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , P.R. China
| | | | | | - Xin Pan
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , P.R. China
| | - Chuanbin Wu
- a School of Pharmaceutical Sciences , Sun Yat-Sen University , Guangzhou , P.R. China
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Li Q, Zhan S, Liu Q, Su H, Dai X, Wang H, Beng H, Tan W. Preparation of a Sustained-Release Nebulized Aerosol of R-terbutaline Hydrochloride Liposome and Evaluation of Its Anti-asthmatic Effects via Pulmonary Delivery in Guinea Pigs. AAPS PharmSciTech 2018; 19:232-241. [PMID: 28681333 DOI: 10.1208/s12249-017-0816-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Accepted: 05/23/2017] [Indexed: 11/30/2022] Open
Abstract
An aerosolized liposome formulation for the pulmonary delivery of an anti-asthmatic medication was developed. Asthma treatment usually requires frequent administration of medication for a sustained bronchodilator response. Liposomes are known for their sustained drug release capability and thus would be a suitable delivery system for prolonging the therapeutic effect of anti-asthmatic medication. Liposomes prepared by thin film hydration were loaded with a model drug, R-terbutaline hydrochloride(R-TBH), using an ammonium sulfate-induced transmembrane electrochemical gradient. This technique provided an encapsulation efficiency of up to 71.35% and yielded R-TBH liposomes with a particle size of approximately 145 ± 20 nm. According to stability studies, these R-TBH liposomes should be stored at 4°C before usage. Compared to R-TBH solution, which showed 90.84% release within 8 h, liposomal R-TBH had a cumulative release of 73.53% at 37°C over 192 h. A next generation impactor (NGI) was used to analyze the particle size distribution in the lungs of R-TBH liposome aerosol in vitro at 5°C. The therapeutic efficacy of the nebulized aerosol of the R-TBH liposomes was assessed via pulmonary delivery in guinea pigs. The results showed that, compared to the R-TBH solution group, the R-TBH liposome group had a prolonged anti-asthma effect.
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11
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Liu Q, Li Q, Han T, Hu T, Zhang X, Hu J, Hu H, Tan W. Study of pH Stability of R-Salbutamol Sulfate Aerosol Solution and Its Antiasthmatic Effects in Guinea Pigs. Biol Pharm Bull 2017; 40:1374-1380. [PMID: 28652557 DOI: 10.1248/bpb.b17-00067] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Currently, all commercial available nebulized salbutamol in China is in its racemic form. It is known that only R-salbutamol (eutomer) has therapeutic effects, while S-salbutamol (distomer) may exacerbate asthma after chronic use. Therefore, it is an unmet clinical need to develop R-salbutamol as a nebulized product that is more convenient for young and old patients. In our study, a stable aerosol solution of R-salbutamol sulfate was established, and its antiasthmatic effects were confirmed. The decomposition rate and racemization effect of the R-salbutamol sulfate solution were evaluated over a pH range from 1 to 10 (except pH=7, 8) at 60°C. The aerodynamic particle size of the R-salbutamol sulfate solution and commercial RS-salbutamol sulfate solution were both tested in vitro by Next-Generation Impactor (NGI) in 5°C. Laser diffractometer was used to characterize the droplet-size distribution (DSD) of both solutions. We next conducted an in vivo animal study to document the antiasthmatic effect of R-salbutamol aerosol sulfate solution and determine the relationship to RS-salbutamol. The results showed that the R-salbutamol sulfate solution was more stable at pH 6. In vitro comparison studies indicated that there was no distribution difference between R-salbutamol sulfate solution and the commercial RS-salbutamol solution. The animal results showed that R-salbutamol was more potent than RS-salbutamol against the same dose of histamine challenge. Unlike commercial RS-salbutamol, which was acidified to a pH of 3.5 to extend bench life but may cause bronchoconstriction in asthmatic patients, the neutralized R-salbutamol solution was more suitable for clinic use.
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Affiliation(s)
- Qing Liu
- School of Bioscience & Bioengineering, South China University of Technology
| | - Qingrui Li
- School of Bioscience & Bioengineering, South China University of Technology
| | - Ting Han
- School of Bioscience & Bioengineering, South China University of Technology
| | - Tingting Hu
- School of Bioscience & Bioengineering, South China University of Technology
| | - Xuemei Zhang
- School of Bioscience & Bioengineering, South China University of Technology
| | - Junhua Hu
- Institute of Biomedical & Pharmaceutical Sciences, Guangdong University of Technology
| | - Hui Hu
- Institute of Biomedical & Pharmaceutical Sciences, Guangdong University of Technology
| | - Wen Tan
- Institute of Biomedical & Pharmaceutical Sciences, Guangdong University of Technology
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12
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Nebulizable colloidal nanoparticles co-encapsulating a COX-2 inhibitor and a herbal compound for treatment of lung cancer. Eur J Pharm Biopharm 2016; 103:1-12. [DOI: 10.1016/j.ejpb.2016.03.025] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 03/22/2016] [Accepted: 03/23/2016] [Indexed: 11/23/2022]
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13
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Song X, Hu J, Zhan S, Zhang R, Tan W. Effects of Temperature and Humidity on Laser Diffraction Measurements to Jet Nebulizer and Comparison with NGI. AAPS PharmSciTech 2016; 17:380-8. [PMID: 26169901 PMCID: PMC4984894 DOI: 10.1208/s12249-015-0346-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Accepted: 05/30/2015] [Indexed: 11/30/2022] Open
Abstract
Laser diffraction (LD) and next generation impactor (NGI) are commonly used for the evaluation of inhaled drug formulations. In this study, the effect of temperature and humidity on the assessment of the nebulizer particle size distribution (PSD) by LD was investigated, and the consistency between NGI and LD measurements was evaluated. There was an increase in particle size with higher temperature or lower humidity. The particle population with a diameter less than 1 μm was significant at a temperature of 5°C or at relative humidity >90%; however, the same particle population became undetectable when temperature increased to 39°C or at relative humidity of 30-45%. The results of the NGI and LD measurements of aerosol generated from three types of jet nebulizers were compared. A poor correlation between the NGI and LD measurements was observed for PARI LC (2.2 μm) (R (2) = 0.893) and PARI LC (2.9 μm) (R (2) = 0.878), while a relatively good correlation (R (2) = 0.977) was observed for the largest particle size nebulizer (PARI TIA (8.6 μm)). We conclude that the ambient environment and the nebulizer have significant impacts on the performance and consistency between these instruments. These factors should be controlled in the evaluation of inhaled aerosol drug formulations when these instruments are used individually or in combination.
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Affiliation(s)
- Xinghan Song
- Pre-incubater for Innovative Drugs and Medicine, South China University of Technology, Guangzhou, Guangdong, China
- School of Bioscience and Bioengineering, South China University of Technology, Guangzhou, Guangdong, China
| | - Junhua Hu
- Pre-incubater for Innovative Drugs and Medicine, South China University of Technology, Guangzhou, Guangdong, China
- School of Bioscience and Bioengineering, South China University of Technology, Guangzhou, Guangdong, China
| | - Shuyao Zhan
- Pre-incubater for Innovative Drugs and Medicine, South China University of Technology, Guangzhou, Guangdong, China
- School of Bioscience and Bioengineering, South China University of Technology, Guangzhou, Guangdong, China
| | - Rui Zhang
- Pre-incubater for Innovative Drugs and Medicine, South China University of Technology, Guangzhou, Guangdong, China
- School of Bioscience and Bioengineering, South China University of Technology, Guangzhou, Guangdong, China
| | - Wen Tan
- Pre-incubater for Innovative Drugs and Medicine, South China University of Technology, Guangzhou, Guangdong, China.
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou, Guangdong, China.
- School of Bioscience and Bioengineering, South China University of Technology, Guangzhou, Guangdong, China.
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14
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Chen YD, Liang ZY, Cen YY, Zhang H, Han MG, Tian YQ, Zhang J, Li SJ, Yang DS. Development of oral dispersible tablets containing prednisolone nanoparticles for the management of pediatric asthma. DRUG DESIGN DEVELOPMENT AND THERAPY 2015; 9:5815-25. [PMID: 26640367 PMCID: PMC4662371 DOI: 10.2147/dddt.s86075] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The purpose of the present study was to develop oral dispersible tablets containing prednisolone (PDS)-loaded chitosan nanoparticles using microcrystalline cellulose (MCC 101), lactose, and croscarmellose sodium (CCS). The PDS-loaded chitosan nanoparticles were formulated by ionotropic external gelation technique in order to enhance the solubility of PDS in salivary pH. Prepared nanoparticles were used for the development of oral fast disintegrating tablets by direct compression method. The prepared tablets were evaluated for disintegration time (DT), in vitro drug release (DR), thickness, weight variation, drug content uniformity, friability, and hardness. The effect of concentrations of the dependent variables (MCC, lactose, CCS) on DT and in vitro DR was studied. Fast disintegrating tablets of PDS can be prepared by using MCC, CCS, and lactose with enhanced solubility of PDS. The minimum DT was found to be 15 seconds, and the maximum DR within 30 minutes was 98.50%. All independent variables selected for the study were statistically significant. Oral fast disintegrating tablets containing PDS nanoparticles could be the better choice for the pediatric patients that would result in better patient compliance. From this study, it can be concluded that fast disintegrating tablets could be a potential drug delivery technology for the management of asthma in pediatrics.
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Affiliation(s)
- Yi-Dan Chen
- College of Pharmacy, The Third Military Medical University, Chongqing, People's Republic of China
| | - Zhong-Yuan Liang
- College of Pharmacy, The Third Military Medical University, Chongqing, People's Republic of China
| | - Yan-Yan Cen
- College of Pharmacy, The Third Military Medical University, Chongqing, People's Republic of China
| | - He Zhang
- Department of Pediatrics, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, People's Republic of China
| | - Mei-Gui Han
- Department of Pediatrics, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, People's Republic of China
| | - Yun-Qiao Tian
- Department of Pediatrics, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, People's Republic of China
| | - Jie Zhang
- Department of Pediatrics, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, People's Republic of China
| | - Shu-Jun Li
- Department of Pediatrics, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, People's Republic of China
| | - Da-Sheng Yang
- Department of Pediatrics, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, People's Republic of China
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15
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