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Wong SN, Li S, Low KH, Chan HW, Zhang X, Chow S, Hui B, Chow PCY, Chow SF. Development of favipiravir dry powders for intranasal delivery: An integrated cocrystal and particle engineering approach via spray freeze drying. Int J Pharm 2024; 653:123896. [PMID: 38346602 DOI: 10.1016/j.ijpharm.2024.123896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 01/29/2024] [Accepted: 02/07/2024] [Indexed: 02/17/2024]
Abstract
The therapeutic potential of pharmaceutical cocrystals in intranasal applications remains largely unexplored despite progressive advancements in cocrystal research. We present the application of spray freeze drying (SFD) in successful fabrication of a favipiravir-pyridinecarboxamide cocrystal nasal powder formulation for potential treatment of broad-spectrum antiviral infections. Preliminary screening via mechanochemistry revealed that favipiravir (FAV) can cocrystallize with isonicotinamide (INA), but not nicotinamide (NCT) and picolinamide (PIC) notwithstanding their structural similarity. The cocrystal formation was characterized by differential scanning calorimetry, Fourier-transform infrared spectroscopy, and unit cell determination through Rietveld refinement of powder X-ray analysis. FAV-INA crystalized in a monoclinic space group P21/c with a unit cell volume of 1223.54(3) Å3, accommodating one FAV molecule and one INA molecule in the asymmetric unit. The cocrystal was further reproduced as intranasal dry powders by SFD, of which the morphology, particle size, in vitro drug release, and nasal deposition were assessed. The non-porous flake shaped FAV-INA powders exhibited a mean particle size of 19.79 ± 2.61 μm, rendering its suitability for intranasal delivery. Compared with raw FAV, FAV-INA displayed a 3-fold higher cumulative fraction of drug permeated in Franz diffusion cells at 45 min (p = 0.001). Dose fraction of FAV-INA deposited in the nasal fraction of a customized 3D-printed nasal cast reached over 80 %, whereas the fine particle fraction remained below 6 % at a flow rate of 15 L/min, suggesting high nasal deposition whilst minimal lung deposition. FAV-INA was safe in RPMI 2650 nasal and SH-SY5Y neuroblastoma cells without any in vitro cytotoxicity observed. This study demonstrated that combining the merits of cocrystallization and particle engineering via SFD can propel the development of advanced dry powder formulations for intranasal drug delivery.
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Affiliation(s)
- Si Nga Wong
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region; Advanced Biomedical Instrumentation Centre, Hong Kong Science Park, Shatin, Hong Kong Special Administrative Region
| | - Si Li
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region; Advanced Biomedical Instrumentation Centre, Hong Kong Science Park, Shatin, Hong Kong Special Administrative Region
| | - Kam-Hung Low
- Department of Chemistry, Faculty of Science, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
| | - Ho Wan Chan
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
| | - Xinyue Zhang
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
| | - Stephanie Chow
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
| | - Bo Hui
- Department of Mechanical Engineering, Faculty of Engineering, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
| | - Philip C Y Chow
- Department of Mechanical Engineering, Faculty of Engineering, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region
| | - Shing Fung Chow
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region; Advanced Biomedical Instrumentation Centre, Hong Kong Science Park, Shatin, Hong Kong Special Administrative Region.
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Jacob S, Boddu SHS, Bhandare R, Ahmad SS, Nair AB. Orodispersible Films: Current Innovations and Emerging Trends. Pharmaceutics 2023; 15:2753. [PMID: 38140094 PMCID: PMC10747242 DOI: 10.3390/pharmaceutics15122753] [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: 11/14/2023] [Revised: 12/06/2023] [Accepted: 12/09/2023] [Indexed: 12/24/2023] Open
Abstract
Orodispersible films (ODFs) are thin, mechanically strong, and flexible polymeric films that are designed to dissolve or disintegrate rapidly in the oral cavity for local and/or systemic drug delivery. This review examines various aspects of ODFs and their potential as a drug delivery system. Recent advancements, including the detailed exploration of formulation components, such as polymers and plasticizers, are briefed. The review highlights the versatility of preparation methods, particularly the solvent-casting production process, and novel 3D printing techniques that bring inherent flexibility. Three-dimensional printing technology not only diversifies active compounds but also enables a multilayer approach, effectively segregating incompatible drugs. The integration of nanoparticles into ODF formulations marks a significant breakthrough, thus enhancing the efficiency of oral drug delivery and broadening the scope of the drugs amenable to this route. This review also sheds light on the diverse in vitro evaluation methods utilized to characterize ODFs, ongoing clinical trials, approved marketed products, and recent patents, providing a comprehensive outlook of the evolving landscape of orodispersible drug delivery. Current patient-centric approaches involve developing ODFs with patient-friendly attributes, such as improved taste masking, ease of administration, and enhanced patient compliance, along with the personalization of ODF formulations to meet individual patient needs. Investigating novel functional excipients with the potential to enhance the permeation of high-molecular-weight polar drugs, fragile proteins, and oligonucleotides is crucial for rapid progress in the advancing domain of orodispersible drug delivery.
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Affiliation(s)
- Shery Jacob
- Department of Pharmaceutical Sciences, College of Pharmacy, Gulf Medical University, Ajman P.O. Box 4184, United Arab Emirates;
| | - Sai H. S. Boddu
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman P.O. Box 346, United Arab Emirates; (S.H.S.B.); (R.B.)
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman P.O. Box 346, United Arab Emirates
| | - Richie Bhandare
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman P.O. Box 346, United Arab Emirates; (S.H.S.B.); (R.B.)
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman P.O. Box 346, United Arab Emirates
| | - Samiullah Shabbir Ahmad
- Department of Pharmaceutical Sciences, College of Pharmacy, Gulf Medical University, Ajman P.O. Box 4184, United Arab Emirates;
| | - Anroop B. Nair
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia;
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Tiboni M, Cespi M, Casettari L, Palmieri GF, Perinelli DR, Bonacucina G. Hydrogel containing mPEG-PLGA nanoparticles for the vaginal delivery of saquinavir mesylate against HIV infection. Eur J Pharm Sci 2023; 191:106599. [PMID: 37774955 DOI: 10.1016/j.ejps.2023.106599] [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: 08/12/2023] [Revised: 09/20/2023] [Accepted: 09/25/2023] [Indexed: 10/01/2023]
Abstract
Saquinavir mesylate (SQV) is a protease inhibitor commonly employed for the treatment of human immunodeficiency virus-1 infection. It is generally administered orally as tablets in combination with other antiviral drugs. Another promising route of administration can be represented by the vaginal one through topically applied formulations. This delivery can reduce the first-pass effect in the case of systemic drug adsorption or prevent HIV infection. We propose the formulation of a Carbopol® 974 (C974) hydrogel containing biodegradable mPEG-PL(L)GA nanoparticles (NPs) for the vaginal delivery of SQV, intended both as a prevention and a therapeutic strategy. mPEG-PL(L)GA NPs were incorporated into the C974 polymeric matrix, leading to a reduction of the hydrogel consistency dependent on NPs and C974 concentrations. Despite the moderate drug loading into NPs, the presence of the NPs had an impact on the in vitro release of the drug from the hydrogel at pH 5.5 using immersion cells. A higher amount of the drug was released, probably due to the effect of NPs in promoting the incorporation of the drug into the hydrogel at a high SQV dose. These findings can be useful for the development of topically applied hydrogels for SQV delivery, possibly having improved in vivo therapeutic outcomes.
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Affiliation(s)
- Mattia Tiboni
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Piazza del Rinascimento, 6 61029, Urbino, PU, Italy
| | - Marco Cespi
- Chemistry Interdisciplinary Project (ChIP), School of Pharmacy, University of Camerino, 62032, Camerino, MC, Italy
| | - Luca Casettari
- Department of Biomolecular Sciences, University of Urbino Carlo Bo, Piazza del Rinascimento, 6 61029, Urbino, PU, Italy
| | - Giovanni Filippo Palmieri
- Chemistry Interdisciplinary Project (ChIP), School of Pharmacy, University of Camerino, 62032, Camerino, MC, Italy
| | - Diego Romano Perinelli
- Chemistry Interdisciplinary Project (ChIP), School of Pharmacy, University of Camerino, 62032, Camerino, MC, Italy.
| | - Giulia Bonacucina
- Chemistry Interdisciplinary Project (ChIP), School of Pharmacy, University of Camerino, 62032, Camerino, MC, Italy
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AlMulhim FM, Nair AB, Aldhubiab B, Shah H, Shah J, Mewada V, Sreeharsha N, Jacob S. Design, Development, Evaluation, and In Vivo Performance of Buccal Films Embedded with Paliperidone-Loaded Nanostructured Lipid Carriers. Pharmaceutics 2023; 15:2530. [PMID: 38004510 PMCID: PMC10674218 DOI: 10.3390/pharmaceutics15112530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 10/09/2023] [Accepted: 10/19/2023] [Indexed: 11/26/2023] Open
Abstract
The therapeutic effectiveness of paliperidone in the treatment of schizophrenia has been limited by its poor oral bioavailability; hence, an alternative route could be appropriate. This study investigates the feasibility of developing a buccal film impregnated with paliperidone-loaded nanostructured lipid carriers (NLCs) and assesses the potential to enhance its bioavailability. Box-Behnken-based design optimization of NLCs was performed by examining the particles' physical characteristics. The polymeric film was used to load optimized NLCs, which were then assessed for their pharmaceutical properties, permeability, and pharmacokinetics. The optimization outcomes indicated that selected formulation variables had a considerable (p < 0.05) impact on responses such as particle size, entrapment efficiency, and % drug release. Desired characteristics such as a negative charge, higher entrapment efficiency, and nanoparticles with ideal size distribution were shown by optimized NLC dispersions. The developed film demonstrated excellent physico-mechanical properties, appropriate texture, good drug excipient compatibility (chemically stable formulation), and amorphous drug nature. A sustained Weibull model drug release (p < 0.0005) and superior flux (~5-fold higher, p < 0.005) were seen in NLC-loaded film compared to plain-drug-loaded film. The pharmacokinetics profile in rabbits supports the goal of buccal therapy as evidenced by significantly higher AUC0-12 (p < 0.0001) and greater relative bioavailability (236%) than the control. These results support the conclusion that paliperidone-loaded NLC buccal film has the potential to be an alternate therapy for its effective administration in the treatment of schizophrenia.
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Affiliation(s)
- Fahad Mohammed AlMulhim
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (F.M.A.); (B.A.); (N.S.)
- Department of Pharmacy Services, Johns Hopkins Aramco Health Care (JHAH), Dharan 34464, Saudi Arabia
| | - Anroop B. Nair
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (F.M.A.); (B.A.); (N.S.)
| | - Bandar Aldhubiab
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (F.M.A.); (B.A.); (N.S.)
| | - Hiral Shah
- Department of Pharmaceutics, Parul College of Pharmacy and Research, Parul University, Ahmedabad 380058, India;
| | - Jigar Shah
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad 382481, India; (J.S.); (V.M.)
| | - Vivek Mewada
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad 382481, India; (J.S.); (V.M.)
| | - Nagaraja Sreeharsha
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (F.M.A.); (B.A.); (N.S.)
- Department of Pharmaceutics, Vidya Siri College of Pharmacy, Off Sarjapura Road, Bangalore 560035, India
| | - Shery Jacob
- Department of Pharmaceutical Sciences, College of Pharmacy, Gulf Medical University, Ajman 4184, United Arab Emirates;
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Henriques P, Bicker J, Silva S, Doktorovová S, Fortuna A. Nasal-PAMPA: A novel non-cell-based high throughput screening assay for prediction of nasal drug permeability. Int J Pharm 2023; 643:123252. [PMID: 37479103 DOI: 10.1016/j.ijpharm.2023.123252] [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: 05/10/2023] [Revised: 07/11/2023] [Accepted: 07/17/2023] [Indexed: 07/23/2023]
Abstract
In nasal drug product development, screening studies are vital to select promising compounds or formulations. The Parallel Artificial Membrane Permeability Assay (PAMPA), a high throughput screening tool, has been applied to evaluate drug permeability across several barriers such as the skin or blood-brain barrier. Herein, a new nasal-PAMPA model was optimized to predict nasal permeability, using a biorelevant donor medium containing mucin. The apparent permeability (Papp) of 15 reference compounds was assessed in six different experimental conditions, and the most discriminating and predictive model was applied to a test drug (piroxicam) and mucoadhesive powder formulations loading the same drug. The model with 0.5% (w/v) mucin in the donor compartment and 2% (w/v) phosphatidylcholine in the lipid membrane accurately distinguished high and low permeable compounds. Additionally, it exhibited the highest correlation with permeation across human nasal epithelial cells, RPMI 2650 (R2 = 0.93). When applied to powder formulations, this model was sensitive to the presence of mucoadhesive excipients and the drug solid state. Overall, the nasal-PAMPA model was more rapid than cell-based assays, without requiring specialized training or equipment, showing to be a promising in vitro tool that can be applied in drug and formulation screening for nasal delivery.
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Affiliation(s)
- Patrícia Henriques
- University of Coimbra, Faculty of Pharmacy, Coimbra, Portugal; R&D, Drug Product Development, Hovione FarmaCiencia SA, Lisbon, Portugal
| | - Joana Bicker
- University of Coimbra, Faculty of Pharmacy, Coimbra, Portugal; University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research, Coimbra, Portugal
| | - Soraia Silva
- University of Coimbra, Faculty of Pharmacy, Coimbra, Portugal; University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research, Coimbra, Portugal
| | | | - Ana Fortuna
- University of Coimbra, Faculty of Pharmacy, Coimbra, Portugal; University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research, Coimbra, Portugal.
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Perkušić M, Nižić Nodilo L, Ugrina I, Špoljarić D, Jakobušić Brala C, Pepić I, Lovrić J, Safundžić Kučuk M, Trenkel M, Scherließ R, Zadravec D, Kalogjera L, Hafner A. Chitosan-Based Thermogelling System for Nose-to-Brain Donepezil Delivery: Optimising Formulation Properties and Nasal Deposition Profile. Pharmaceutics 2023; 15:1660. [PMID: 37376108 DOI: 10.3390/pharmaceutics15061660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/16/2023] [Accepted: 06/01/2023] [Indexed: 06/29/2023] Open
Abstract
Donepezil nasal delivery strategies are being continuously investigated for advancing therapy in Alzheimer's disease. The aim of this study was to develop a chitosan-based, donepezil-loaded thermogelling formulation tailored to meet all the requirements for efficient nose-to-brain delivery. A statistical design of the experiments was implemented for the optimisation of the formulation and/or administration parameters, with regard to formulation viscosity, gelling and spray properties, as well as its targeted nasal deposition within the 3D-printed nasal cavity model. The optimised formulation was further characterised in terms of stability, in vitro release, in vitro biocompatibility and permeability (using Calu-3 cells), ex vivo mucoadhesion (using porcine nasal mucosa), and in vivo irritability (using slug mucosal irritation assay). The applied research design resulted in the development of a sprayable donepezil delivery platform characterised by instant gelation at 34 °C and olfactory deposition reaching a remarkably high 71.8% of the applied dose. The optimised formulation showed prolonged drug release (t1/2 about 90 min), mucoadhesive behaviour, and reversible permeation enhancement, with a 20-fold increase in adhesion and a 1.5-fold increase in the apparent permeability coefficient in relation to the corresponding donepezil solution. The slug mucosal irritation assay demonstrated an acceptable irritability profile, indicating its potential for safe nasal delivery. It can be concluded that the developed thermogelling formulation showed great promise as an efficient donepezil brain-targeted delivery system. Furthermore, the formulation is worth investigating in vivo for final feasibility confirmation.
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Affiliation(s)
- Mirna Perkušić
- Department of Pharmaceutical Technology, University of Zagreb Faculty of Pharmacy and Biochemistry, 10000 Zagreb, Croatia
| | - Laura Nižić Nodilo
- Department of Pharmaceutical Technology, University of Zagreb Faculty of Pharmacy and Biochemistry, 10000 Zagreb, Croatia
| | | | | | - Cvijeta Jakobušić Brala
- Department of Physical Chemistry, University of Zagreb Faculty of Pharmacy and Biochemistry, 10000 Zagreb, Croatia
| | - Ivan Pepić
- Department of Pharmaceutical Technology, University of Zagreb Faculty of Pharmacy and Biochemistry, 10000 Zagreb, Croatia
| | - Jasmina Lovrić
- Department of Pharmaceutical Technology, University of Zagreb Faculty of Pharmacy and Biochemistry, 10000 Zagreb, Croatia
| | | | - Marie Trenkel
- Department of Pharmaceutics and Biopharmaceutics, Faculty of Mathematics and Natural Sciences, Kiel University, 24118 Kiel, Germany
| | - Regina Scherließ
- Department of Pharmaceutics and Biopharmaceutics, Faculty of Mathematics and Natural Sciences, Kiel University, 24118 Kiel, Germany
- Priority Research Area Kiel Nano, Surface and Interface Sciences (KiNSIS), Kiel University, 24118 Kiel, Germany
| | - Dijana Zadravec
- Department of Diagnostic and Interventional Radiology, University Hospital Center Sestre Milosrdnice, University of Zagreb School of Dental Medicine, 10000 Zagreb, Croatia
| | - Livije Kalogjera
- ORL/HNS Department, University Hospital Center Sestre Milosrdnice, Zagreb School of Medicine, 10000 Zagreb, Croatia
| | - Anita Hafner
- Department of Pharmaceutical Technology, University of Zagreb Faculty of Pharmacy and Biochemistry, 10000 Zagreb, Croatia
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A systematic review of mucoadhesive vaginal tablet testing. Drug Target Insights 2023; 17:5-30. [PMID: 36687797 PMCID: PMC9851603 DOI: 10.33393/dti.2023.2477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 12/07/2022] [Indexed: 01/19/2023] Open
Abstract
Drug administration through the vaginal tract is one of the oldest modalities of pharmacotherapy, and it is also one of the most explored. Since the vaginal cavity has a wide surface area, a plentiful blood supply, and a complex network of blood arteries, it can evade hepatic first-pass metabolism and obtain high local drug concentrations. Vaginal pills look to be a good dose form since they are simple to use, portable, and can easily deliver the required amount of medicine. Vaginal formulations, on the other hand, are vulnerable to rapid expulsion due to the vaginal tract’s self-cleaning action, which reduces the formulation’s efficiency. Currently, there is an increasing amount of focus on mucoadhesive vaginal formulation research and development to fix the formulation at the place where the medicine can be released and/or absorbed. This article examines all of the strategies used by researchers to develop a mucoadhesive vaginal tablet that is safe, effective, and comfortable for the user.
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Buccal films: A review of therapeutic opportunities, formulations & relevant evaluation approaches. J Control Release 2022; 352:1071-1092. [PMID: 36351519 DOI: 10.1016/j.jconrel.2022.10.058] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 10/26/2022] [Accepted: 10/28/2022] [Indexed: 11/19/2022]
Abstract
The potential of the mucoadhesive film technology is hard to ignore, owing to perceived superior patient acceptability versus buccal tablets, and significant therapeutic opportunities compared to conventional oral drug delivery systems, especially for those who suffer from dysphagia. In spite of this, current translation from published literature into the commercial marketplace is virtually non-existent, with no authorised mucoadhesive buccal films available in the UK and very few available in the USA. This review seeks to provide an overview of the mucoadhesive buccal film technology and identify key areas upon which to focus scientific efforts to facilitate the wider adoption of this patient-centric dosage form. Several indications and opportunities for development were identified, while discussing the patient-related factors influencing the use of these dosage forms. In addition, an overview of the technologies behind the manufacturing of these films was provided, highlighting manufacturing methods like solvent casting, hot melt extrusion, inkjet printing and three-dimensional printing. Over thirty mucoadhesive polymers were identified as being used in film formulations, with details surrounding their mucoadhesive capabilities as well as their inclusion alongside other key formulation constituents provided. Lastly, the importance of physiologically relevant in vitro evaluation methodologies was emphasised, which seek to improve in vivo correlations, potentially leading to better translation of mucoadhesive buccal films from the literature into the commercial marketplace.
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Nose-to-brain delivery of rotigotine redispersible nanosuspension: In vitro and in vivo characterization. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.104049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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Perkušić M, Nižić Nodilo L, Ugrina I, Špoljarić D, Jakobušić Brala C, Pepić I, Lovrić J, Matijašić G, Gretić M, Zadravec D, Kalogjera L, Hafner A. Tailoring functional spray-dried powder platform for efficient donepezil nose-to-brain delivery. Int J Pharm 2022; 624:122038. [PMID: 35870666 DOI: 10.1016/j.ijpharm.2022.122038] [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: 04/29/2022] [Revised: 07/01/2022] [Accepted: 07/18/2022] [Indexed: 11/28/2022]
Abstract
Shortcomings of oral donepezil administration in the treatment of Alzheimer's disease have paved the way for ongoing investigations towards more efficient and safe donepezil nose-to-brain delivery. Herein we present the development of advantageous powder platform for donepezil nose-to-brain delivery, coupling careful design of chitosan and mannitol-based carrier matrix with spray-drying technology advantages and early consideration of adequate nasal administration mode, employing QbD approach. Unprecedentedly, ultrasonic nozzle was used to atomise the drying feed in response to size-related requirements for nasal aerosol particles. The optimised spray-drying process resulted in free-flowable dry powder with a great majority of particles larger than 10 µm, ensuring localised nasal deposition upon aerosolization, as evidenced by using 3D-printed nasal cavity model. QbD approach coupling formulation, process and administration parameters enabled optimisation of drug deposition profile reaching tremendously high 65.5 % of the applied dose deposited in the olfactory region. The leading formulation exhibited favourable swelling, mucoadhesion, drug release and permeation-enhancing properties, suiting the needs for efficient brain-targeted delivery. Results of in vitro biocompatibility and physico-chemical stability studies confirmed the leading formulation potential for safe and efficient donepezil nose-to-brain delivery. The obtained results encourage extending the study to an appropriate in vivo model needed for the final proof-of-concept.
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Affiliation(s)
- Mirna Perkušić
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Zagreb, Croatia
| | - Laura Nižić Nodilo
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Zagreb, Croatia
| | | | | | | | - Ivan Pepić
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Zagreb, Croatia
| | - Jasmina Lovrić
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Zagreb, Croatia
| | - Gordana Matijašić
- University of Zagreb, Faculty of Chemical Engineering and Technology, Zagreb, Croatia
| | - Matija Gretić
- Genera, Inc., Part of Dechra Pharmaceuticals PLC Group, Rakov Potok, Croatia
| | - Dijana Zadravec
- Department of Diagnostic and Interventional Radiology, Sestre milosrdnice University Hospital Center, University of Zagreb, Zagreb, Croatia
| | - Livije Kalogjera
- ENT Department, Zagreb School of Medicine, Sestre milosrdnice University Hospital Center, Zagreb, Croatia
| | - Anita Hafner
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Zagreb, Croatia.
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Henriques P, Fortuna A, Doktorovová S. Spray dried powders for nasal delivery: Process and formulation considerations. Eur J Pharm Biopharm 2022; 176:1-20. [PMID: 35568256 DOI: 10.1016/j.ejpb.2022.05.002] [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: 02/14/2022] [Revised: 04/27/2022] [Accepted: 05/01/2022] [Indexed: 11/18/2022]
Abstract
Powders for nasal delivery have been recognized as advantageous dosage forms over liquids due to increased stability and residence time on nasal mucosa, with improved bioavailability. They can be manufactured by spray-drying, allowing the optimization of the particle properties that are critical to guarantee nasal deposition, as size and shape. It is also a scalable and flexible method already explored extensively in the pharmaceutical industry. However, it is important to understand how process parameters, particle physical properties and formulation considerations affect the product performance. Hence, this review aims to provide an overview of nasal powder formulation and processing through spray drying, with an emphasis on the variables that impact on performance. To this purpose, we describe the physical, biological and pharmacological phenomena prior to drug absorption as well as the most relevant powder properties. Formulation considerations including qualitative and quantitative composition are then reviewed, as well as manufacturing considerations including spray drying relevant parameters.
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Affiliation(s)
- Patrícia Henriques
- Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; R&D, Drug Product Development, Hovione FarmaCiencia SA, Lisbon, Portugal
| | - Ana Fortuna
- Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research, Coimbra, Portugal
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13
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Wang J, Lv F, Sun T, Zhao S, Chen H, Liu Y, Liu Z. Sorafenib Nanomicelles Effectively Shrink Tumors by Vaginal Administration for Preoperative Chemotherapy of Cervical Cancer. NANOMATERIALS 2021; 11:nano11123271. [PMID: 34947619 PMCID: PMC8705954 DOI: 10.3390/nano11123271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/28/2021] [Accepted: 11/29/2021] [Indexed: 12/24/2022]
Abstract
To investigate the potential of sorafenib (SF) in preoperative chemotherapy for cervical cancer to reduce tumor volume, sorafenib micelles (SF micelles) with good stability and high drug loading were designed. SF micelles were prepared by film hydration followed by the ultrasonic method. The results showed that the SF micelles were spherical with an average particle size of 67.18 ± 0.66 nm (PDI 0.17 ± 0.01), a considerable drug loading of 15.9 ± 0.46% (w/w%) and satisfactory stability in buffers containing plasma or not for at least 2 days. In vitro release showed that SF was gradually released from SF micelles and almost completely released on the third day. The results of in vitro cellular intake, cytotoxicity and proliferation of cervical cancer cell TC-1 showed that SF micelles were superior to sorafenib (Free SF). For intravaginal administration, SF micelles were dispersed in HPMC (SF micelles/HPMC), showed good viscosity sustained-release profiles in vitro and exhibited extended residence in intravaginal in vivo. Compared with SF micelles dispersed in N.S. (SF micelles/N.S.), SF micelles/HPMC significantly reduced tumor size with a tumor weight inhibition rate of 73%. The results suggested that SF micelles had good potential for preoperative tumor shrinkage and improving the quality life of patients.
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Affiliation(s)
- Jun Wang
- Department of Pharmaceutics, School of Pharmacy, Fudan University & Key Laboratory of Smart Drug Delivery (Fudan University), Ministry of Education, Shanghai 201203, China;
| | - Fengmei Lv
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China; (F.L.); (T.S.); (S.Z.); (H.C.)
| | - Tao Sun
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China; (F.L.); (T.S.); (S.Z.); (H.C.)
| | - Shoujin Zhao
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China; (F.L.); (T.S.); (S.Z.); (H.C.)
| | - Haini Chen
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China; (F.L.); (T.S.); (S.Z.); (H.C.)
| | - Yu Liu
- Department of Pharmaceutics, School of Pharmacy, Fudan University & Key Laboratory of Smart Drug Delivery (Fudan University), Ministry of Education, Shanghai 201203, China;
- Correspondence: (Y.L.); (Z.L.)
| | - Zhepeng Liu
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China; (F.L.); (T.S.); (S.Z.); (H.C.)
- Correspondence: (Y.L.); (Z.L.)
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Chitosan for biomedical applications, promising antidiabetic drug delivery system, and new diabetes mellitus treatment based on stem cell. Int J Biol Macromol 2021; 190:417-432. [PMID: 34450151 DOI: 10.1016/j.ijbiomac.2021.08.154] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 08/14/2021] [Accepted: 08/18/2021] [Indexed: 02/07/2023]
Abstract
Since chitosan's excellent pharmacokinetic and chemical properties, it is an attractive and promising carbohydrate biopolymer in biomedical applications. Chitosan's beneficial function in the defense and propagation of pancreatic β cells, reducing hyperglycemia, and avoiding diabetes mellitus associated with impaired lipid metabolism has been demonstrated in several studies. Additionally, chitosan has also been used in various nanocarriers to deliver various antidiabetic drugs to reduce glucose levels. Herein, the first to provide the currently available potential benefits of chitosan in diabetes mellitus treatment focuses on chitosan-based nanocarriers for oral administration of various antidiabetic drugs nasal and subcutaneous passages. Moreover, chitosan is used to activate and deliver stem cells and differentiate them into cells similar to pancreatic beta cells as a new type of treatment for type one diabetes mellitus. The results of this review will be helpful in the development of promising treatments and better control of diabetes mellitus.
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Dalal R, Shah J, Gorain B, Choudhury H, Jacob S, Mehta TA, Shah H, Nair AB. Development and Optimization of Asenapine Sublingual Film Using QbD Approach. AAPS PharmSciTech 2021; 22:244. [PMID: 34608546 DOI: 10.1208/s12249-021-02132-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Accepted: 09/02/2021] [Indexed: 11/30/2022] Open
Abstract
Asenapine, an atypical antipsychotic agent, has been approved for the acute and maintenance treatment of schizophrenia and manic episodes of bipolar disorder. However, the extensive hepatic metabolism limits its oral bioavailability. Therefore, the objective of the current investigation was to develop sublingual film containing asenapine to enhance the therapeutic efficacy. Sublingual films containing asenapine were fabricated using polyethylene oxide and hydroxypropyl methylcellulose by solvent casting method. Design of experiment was used as a statistical tool to optimize the proportion of the film-forming polymers in order to establish the critical quality attributes of the drug formulation. The process was studied in detail by assessing risk of each step as well as parameters and material attributes to reduce the risk to a minimum. A control strategy was defined to ensure manufacture of films according to the target product profile by evaluation of intermediate quality attributes at the end of each process step. Results of optimized formulations showed rapid disintegration, adequate folding endurance, good percentage elongation, tensile strength, and viscosity. Besides, the results from the in vitro dissolution/ex vivo permeation studies showed rapid dissolution (100% in 6 min) and higher asenapine permeation (~ 80% in 90 min) through the sublingual epithelium. In vivo study indicates greater asenapine absorption (31.18 ± 5.01% of administered dose) within 5 min and was comparable with marketed formulation. In summary, the designing plan to develop asenapine formulation was successfully achieved with desired characteristics of the delivery tool for sublingual administration.
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Jacob S, Nair AB, Boddu SHS, Gorain B, Sreeharsha N, Shah J. An Updated Overview of the Emerging Role of Patch and Film-Based Buccal Delivery Systems. Pharmaceutics 2021; 13:1206. [PMID: 34452167 PMCID: PMC8399227 DOI: 10.3390/pharmaceutics13081206] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 07/28/2021] [Accepted: 08/03/2021] [Indexed: 12/17/2022] Open
Abstract
Buccal mucosal membrane offers an attractive drug-delivery route to enhance both systemic and local therapy. This review discusses the benefits and drawbacks of buccal drug delivery, anatomical and physiological aspects of oral mucosa, and various in vitro techniques frequently used for examining buccal drug-delivery systems. The role of mucoadhesive polymers, penetration enhancers, and enzyme inhibitors to circumvent the formulation challenges particularly due to salivary renovation cycle, masticatory effect, and limited absorption area are summarized. Biocompatible mucoadhesive films and patches are favored dosage forms for buccal administration because of flexibility, comfort, lightness, acceptability, capacity to withstand mechanical stress, and customized size. Preparation methods, scale-up process and manufacturing of buccal films are briefed. Ongoing and completed clinical trials of buccal film formulations designed for systemic delivery are tabulated. Polymeric or lipid nanocarriers incorporated in buccal film to resolve potential formulation and drug-delivery issues are reviewed. Vaccine-enabled buccal films have the potential ability to produce both antibodies mediated and cell mediated immunity. Advent of novel 3D printing technologies with built-in flexibility would allow multiple drug combinations as well as compartmentalization to separate incompatible drugs. Exploring new functional excipients with potential capacity for permeation enhancement of particularly large-molecular-weight hydrophilic drugs and unstable proteins, oligonucleotides are the need of the hour for rapid advancement in the exciting field of buccal drug delivery.
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Affiliation(s)
- Shery Jacob
- Department of Pharmaceutical Sciences, College of Pharmacy, Gulf Medical University, Ajman 4184, United Arab Emirates
| | - Anroop B. Nair
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (A.B.N.); (N.S.)
| | - Sai H. S. Boddu
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman 346, United Arab Emirates;
| | - Bapi Gorain
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor’s University, Subang Jaya 47500, Selangor, Malaysia;
- Centre for Drug Delivery and Molecular Pharmacology, Faculty of Health and Medical Sciences, Taylor’s University, Subang Jaya 47500, Selangor, Malaysia
| | - Nagaraja Sreeharsha
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia; (A.B.N.); (N.S.)
- Department of Pharmaceutics, Vidya Siri College of Pharmacy, Off Sarjapura Road, Bangalore 560035, India
| | - Jigar Shah
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad 382481, India;
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Rivelli GG, Perez AC, Silva PHR, Gomes ECDL, Moreira CPDS, Tamashiro E, Valera FCP, Anselmo-Lima WT, Pianetti GA, Silva-Cunha A. Biodegradable Electrospun Nanofibers: A New Approach For Rhinosinusitis Treatment. Eur J Pharm Sci 2021; 163:105852. [PMID: 33862240 DOI: 10.1016/j.ejps.2021.105852] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/10/2021] [Accepted: 04/12/2021] [Indexed: 12/18/2022]
Abstract
Biodegradable polymeric nanofibers containing mometasone furoate can be a new approach to drug delivery to treat chronic rhinosinusitis, providing controlled steroid delivery to the sinonasal mucosa. This study aimed to develop biodegradable polymeric nanofibers and explore the safety of these fibers in an in vivo rabbit model. The nanofibers' development has been optimized using the Response Surface Methodology (RSM) obtained with Design of Experiments (DoE) with the best conditions related to the polymer concentration and proportion of solvents used in the electrospinning process. The nanofibers were prepared, operating as a determinant factor, the nanofiber formation and its diameter evaluated by Scanning Electron Microscopy (SEM). The ideal system obtained was assessed by SEM, thermogravimetric analysis (TGA), X-ray diffraction (XRD), differential scanning calorimetry (DSC), assay, and drug delivery by UHLPC validated method. The results showed that the drug is dispersed in the polymeric matrix, is stable, and showed sustained release kinetics in a bio-relevant nasal environment (Higuchi model kinetics). In vivo tests, the level of inflammation at the animals' mucosa which received the nanofiber with the mometasone furoate was lower than those that received the nanofibers without the drug (α = 0.05). Histopathology analysis showed that the polymeric nanofibers containing mometasone are safe when topically applied on the sinonasal mucosa, opening a new horizon in chronic rhinosinusitis treatment.
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Affiliation(s)
- Graziella Gomes Rivelli
- Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, MG. 31270-901, Brazil
| | - André Coura Perez
- Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP. 14049-900, Brazil
| | | | | | | | - Edwin Tamashiro
- Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP. 14049-900, Brazil
| | | | | | - Gérson Antônio Pianetti
- Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, MG. 31270-901, Brazil
| | - Armando Silva-Cunha
- Faculty of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, MG. 31270-901, Brazil.
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Leyva‐Grado V, Pugach P, Sadeghi‐Latefi N. A novel anti-inflammatory treatment for bradykinin-induced sore throat or pharyngitis. Immun Inflamm Dis 2021; 9:1321-1335. [PMID: 34153179 PMCID: PMC8589389 DOI: 10.1002/iid3.479] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 05/27/2021] [Accepted: 05/29/2021] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Often thought of as a minor health concern, sore throat or pharyngitis is an important public health issue. It is one of the most common symptoms of upper respiratory diseases including COVID-19 and is a leading cause of physician visits and antibiotic prescriptions. However, few over-the-counter medications are proven to heal sore throat inflammation. METHODS Adenocarcinomic human alveolar basal epithelial cells (A549 cells) and three dimensional organotypic human respiratory tissues were used to study inflammation and various treatment effects on respiratory epithelia. The cells and tissues were studied both in the presence and absence of bradykinin, one of the first inflammatory mediators of pharyngitis. Inflammation was measured by analyzing the levels of prostaglandin E2 (PGE2), interleukin 8 (IL-8), and leukotriene B4 (LTB4), transepithelial electrical resistance (TEER), and lactate dehydrogenase (LDH) release. Tissue morphology was analyzed by immunohistochemistry. RESULTS In studying pharyngitis using organotypic human respiratory tissue stimulated with bradykinin, we saw an increase in PGE2 and interleukin-8 (IL-8) in response to bradykinin. Acetyl salicylic acid (ASA), a nonspecific COX inhibitor, was able to mitigate a bradykinin-induced increase in PGE2 in our studies. However, ASA was inflammatory above its therapeutic window, increasing the levels of PGE2 and IL-8 above those seen with bradykinin stimulation alone. We describe a novel, scientifically validated treatment for sore throat, that contains a low dose of ASA and other anti-inflammatory ingredients. CONCLUSION This study elucidates the complex mechanisms involved in healing pharyngitis, an inflammatory condition of the upper respiratory epithelia. An ASA-based formula (Biovanta) mitigated bradykinin-induced inflammation more strongly than ASA alone in organotypic human respiratory tissues. Surprisingly, we found that many of the most common over the counter sore throat therapies exacerbate inflammation and IL-8 in organotypic human respiratory tissues, suggesting these common treatments may increase the likelihood of further respiratory complications.
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Affiliation(s)
| | - Pavel Pugach
- Applied Biological LaboratoriesBrooklynNew YorkUSA
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Magalhães APDSPA, Toma HK, do Carmo FA, Mansur CRE. Development of purified cashew gum mucoadhesive buccal tablets containing nystatin for treatment of oral candidiasis. Drug Dev Ind Pharm 2021; 47:825-837. [PMID: 34033502 DOI: 10.1080/03639045.2021.1934868] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE The objective of this work was to prepare mucoadhesive buccal tablets containing nystatin and purified cashew gum for the treatment of oral candidiasis. SIGNIFICANCE Mucoadhesive buccal tablets containing the drug nystatin are an alternative to oral suspensions, which cause low therapeutic adherence to the treatment of oral candidiasis. Purified cashew gum has been studied as a diluent and mucoadhesive agent in tablets. METHODS Two batches of mucoadhesive tablets were produced, MT1 and MT 2, containing purified cashew gum, nystatin (500,000 IU), flavoring agent and with or without the presence of lubricant agent. The average weight, mechanical properties, dose uniformity, drug release profile, mucoadhesive properties and antimicrobial activity against Candida albicans were evaluated. RESULTS Tablets presented average weight of 329.1 ± 3.1 mg (MT1) and 334.6 ± 1.5 mg (MT2), hardness of 9.8 ± 0.8 KgF (MT1) and 8.3 ± 0.4 KgF (MT2), friability of 0.2% (MT1 and MT2), and dose uniformity of 102.20 ± 1.17% (MT1) and 99.06 ± 7.40% (MT2). MT1 and MT2 were able to swell, erode, release the drug and remain adhered to the pig's cheek up to 3 h for batch MT1 and 4 h for batch MT2, and the amount of nystatin released since the beginning of the test in both batches was sufficient to inhibit the growth of the fungus. CONCLUSIONS Therefore, the proposed formulation proved to be very promising and met all the studied criteria, showing to be ideal for the treatment of oral candidiasis.
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Affiliation(s)
| | - Helena Keiko Toma
- Faculty of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Claudia Regina Elias Mansur
- Institute of Macromolecules, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,Program of Materials Engineering and Metallurgy, Technology Center, Alberto Luiz Institute of Coimbra, Post-Graduation and Engineering Research - COPPE, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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20
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Gieszinger P, Kiss T, Szabó-Révész P, Ambrus R. The Development of an In Vitro Horizontal Diffusion Cell to Monitor Nasal Powder Penetration Inline. Pharmaceutics 2021; 13:pharmaceutics13060809. [PMID: 34071664 PMCID: PMC8228443 DOI: 10.3390/pharmaceutics13060809] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 05/26/2021] [Indexed: 11/16/2022] Open
Abstract
The development of in vitro investigation models could be important using sensitive and fast methods during formulation. Intranasal applied drugs (meloxicam, lamotrigine, and levodopa) avoid the gastrointestinal tract and can achieve higher bioavailability, therefore a penetration extent is a key property. In this study, the in vitro adaptability of a modified horizontal diffusion cell was tested by using these model active pharmaceutical ingredients (APIs). The special factors consisted of the volume of the chambers, the arrangement of the stirrers, the design of probe input for real-time analysis and decreased membrane area. Membranes were impregnated by isopropyl myristate and by using phosphate buffer to evaluate the effect of API hydrophilicity on the diffusion properties. The lipophilicity of the API was proportional to the penetration extent through isopropyl myristate-impregnated membranes compared with buffer-soaked membranes. After evaluating the arithmetic mean of standard relative deviations and the penetrated extent of APIs at 15 min, Metricel® could be suggested for levodopa and meloxicam, and Whatman™ for lamotrigine. The modified model is suitable for inline, real-time detection, at nasal conditions, using small volumes of phases, impregnated membrane, to monitor the diffusion of the drug and to determine its concentration in the acceptor and donor phases.
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21
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A Dry Powder Platform for Nose-to-Brain Delivery of Dexamethasone: Formulation Development and Nasal Deposition Studies. Pharmaceutics 2021; 13:pharmaceutics13060795. [PMID: 34073500 PMCID: PMC8229415 DOI: 10.3390/pharmaceutics13060795] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/11/2021] [Accepted: 05/20/2021] [Indexed: 12/26/2022] Open
Abstract
Nasal route of administration offers a unique opportunity of brain targeted drug delivery via olfactory and trigeminal pathway, providing effective CNS concentrations at lower doses and lower risk for adverse reactions compared to systemic drug administration. Therefore, it has been recently proposed as a route of choice for glucocorticoids to control neuroinflammation processes in patients with severe Covid-19. However, appropriate delivery systems tailored to enhance their efficacy yet need to emerge. In this work we present the development of sprayable brain targeting powder delivery platform of dexamethasone sodium phosphate (DSP). DSP-loaded microspheres, optimised employing Quality-by-Design approach, were blended with soluble inert carriers (mannitol or lactose monohydrate). Powder blends were characterized in terms of homogeneity, flow properties, sprayability, in vitro biocompatibility, permeability and mucoadhesion. Nasal deposition studies were performed using 3D printed nasal cavity model. Mannitol provided better powder blend flow properties compared to lactose. Microspheres blended with mannitol retained or enlarged their mucoadhesive properties and enhanced DSP permeability across epithelial model barrier. DSP dose fraction deposited in the olfactory region reached 17.0% revealing the potential of developed powder platform for targeted olfactory delivery. The observed impact of nasal cavity asymmetry highlighted the importance of individual approach when aiming olfactory region.
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Development of Mucoadhesive Buccal Film for Rizatriptan: In Vitro and In Vivo Evaluation. Pharmaceutics 2021; 13:pharmaceutics13050728. [PMID: 34063402 PMCID: PMC8157038 DOI: 10.3390/pharmaceutics13050728] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/08/2021] [Accepted: 05/13/2021] [Indexed: 02/07/2023] Open
Abstract
The reduced therapeutic efficacy of rizatriptan in migraine treatment is primarily due to low oral bioavailability and extensive first pass metabolism. The purpose of this investigation was to optimize the thin mucoadhesive buccal film of rizatriptan and assess the practicability of its development as a potential substitute for conventional migraine treatment. Buccal films (FR1-FR10) were fabricated by a conventional solvent casting method utilizing a combination of polymers (Proloc, hydroxypropyl methylcellulose and Eudragit RS 100). Drug-loaded buccal films (F1-F4) were examined for mechanical, mucoadhesive, swelling and release characteristics. In vivo pharmacokinetics parameters of selected buccal film (F1) in rabbits were compared to oral administration. Films F1-F4 displayed optimal physicomechanical properties including mucoadhesive strength, which can prolong the buccal residence time. A biphasic, complete and higher drug release was seen in films F1 and F4, which followed Weibull model kinetics. The optimized film, F1, exhibited significantly higher (p < 0.005) rizatriptan buccal flux (71.94 ± 8.26 µg/cm2/h) with a short lag time. Film features suggested the drug particles were in an amorphous form, compatible with the polymers used and had an appropriate surface morphology suitable for buccal application. Pharmacokinetic data indicated a significantly higher rizatriptan plasma level (p < 0.005) and Cmax (p < 0.0001) upon buccal film application as compared to oral solution. The observed AUC0-12h (994.86 ± 95.79 ng.h/mL) in buccal treatment was two-fold higher (p < 0.0001) than the control, and the relative bioavailability judged was 245%. This investigation demonstrates the prospective of buccal films as a viable and alternative approach for effective rizatriptan delivery.
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Physico-Chemical and In Vitro Characterization of Chitosan-Based Microspheres Intended for Nasal Administration. Pharmaceutics 2021; 13:pharmaceutics13050608. [PMID: 33922172 PMCID: PMC8146120 DOI: 10.3390/pharmaceutics13050608] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 12/05/2022] Open
Abstract
The absorption of non-steroidal anti-inflammatory drugs (NSAIDs) through the nasal epithelium offers an innovative opportunity in the field of pain therapy. Thanks to the bonding of chitosan to the nasal mucosa and its permeability-enhancing effect, it is an excellent choice to formulate microspheres for the increase of drug bioavailability. The aim of our work includes the preparation of spray-dried cross-linked and non-cross-linked chitosan-based drug delivery systems for intranasal application, the optimization of spray-drying process parameters (inlet air temperature, pump rate), and the composition of samples. Cross-linked products were prepared by using different amounts of sodium tripolyphosphate. On top of these, the micrometric properties, the structural characteristics, the in vitro drug release, and the in vitro permeability of the products were studied. Spray-drying resulted in micronized chitosan particles (2–4 μm) regardless of the process parameters. The meloxicam (MEL)-containing microspheres showed nearly spherical habit, while MEL was present in a molecularly dispersed state. The highest dissolved (>90%) and permeated (~45 µg/cm2) MEL amount was detected from the non-cross-linked sample. Our results indicate that spray-dried MEL-containing chitosan microparticles may be recommended for the development of a novel drug delivery system to decrease acute pain or enhance analgesia by intranasal application.
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Patel SK, Greene AC, Desai SM, Rothstein S, Basha IT, MacPherson JS, Wang Y, Zou Y, Shehabeldin M, Sfeir CS, Little SR, Rohan LC. Biorelevant and screening dissolution methods for minocycline hydrochloride microspheres intended for periodontal administration. Int J Pharm 2021; 596:120261. [PMID: 33486044 DOI: 10.1016/j.ijpharm.2021.120261] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 01/05/2021] [Accepted: 01/09/2021] [Indexed: 10/22/2022]
Abstract
Currently, there is no compendial-level method to assess dissolution of particulate systems administered in the periodontal pocket. This work seeks to develop dissolution methods for extended release poly(lactic-co-glycolic acid) (PLGA) microspheres applied in the periodontal pocket. Arestin®, PLGA microspheres containing minocycline hydrochloride (MIN), is indicated for reduction of pocket depth in adult periodontitis. Utilizing Arestin® as a model product, two dissolution methods were developed: a dialysis set-up using USP apparatus 4 and a novel apparatus fabricated to simulate in vivo environment of the periodontal pocket. In the biorelevant method, the microspheres were dispersed in 250 μL of simulated gingival crevicular fluid (sGCF) which was enclosed in a custom-made dialysis enclosure. sGCF was continuously delivered to the device at a biorelevant flow rate and was collected daily for drug content analysis using UPLC. Both methods could discriminate release characteristics of a panel of MIN-loaded PLGA microspheres that differed in composition and process conditions. A mechanistic model was developed, which satisfactorily explained the release profiles observed using both dissolution methods. The developed methods may have the potential to be used as routine quality control tools to ensure batch-to-batch consistency and to support evaluation of bioequivalence for periodontal microspheres.
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Affiliation(s)
- Sravan Kumar Patel
- School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA; Magee-Womens Research Institute, Pittsburgh, PA, USA
| | - Ashlee C Greene
- Department of Chemical Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - Stuti M Desai
- School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA; Magee-Womens Research Institute, Pittsburgh, PA, USA
| | | | - Iman Taj Basha
- Department of Chemical Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - James Scott MacPherson
- Department of Chemical Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - Yan Wang
- Office of Research and Standards, Office of Generic Drugs, CDER, U.S. Food & Drug Administration, Silver Springs, MD, USA
| | - Yuan Zou
- Office of Research and Standards, Office of Generic Drugs, CDER, U.S. Food & Drug Administration, Silver Springs, MD, USA
| | - Mostafa Shehabeldin
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Charles S Sfeir
- Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA; Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA; The McGowan Institute for Regenerative Medicine, Pittsburgh, PA, USA; The Center for Craniofacial Regeneration, School of Dental Medicine, University of Pittsburgh, PA, USA; Department of Periodontics and Preventive Dentistry, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Steven R Little
- School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA; Department of Chemical Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA; Department of Bioengineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA, USA; The McGowan Institute for Regenerative Medicine, Pittsburgh, PA, USA; The Center for Craniofacial Regeneration, School of Dental Medicine, University of Pittsburgh, PA, USA; Department of Immunology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA; Department of Ophthalmology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Lisa C Rohan
- School of Pharmacy, University of Pittsburgh, Pittsburgh, PA, USA; Magee-Womens Research Institute, Pittsburgh, PA, USA; Department of Obstetrics and Gynecology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
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25
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Design, fabrication and characterisation of drug-loaded vaginal films: State-of-the-art. J Control Release 2020; 327:477-499. [DOI: 10.1016/j.jconrel.2020.08.032] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/17/2020] [Accepted: 08/18/2020] [Indexed: 01/08/2023]
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Quaternary Ammonium Chitosans: The Importance of the Positive Fixed Charge of the Drug Delivery Systems. Int J Mol Sci 2020; 21:ijms21186617. [PMID: 32927715 PMCID: PMC7555869 DOI: 10.3390/ijms21186617] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/03/2020] [Accepted: 09/07/2020] [Indexed: 01/12/2023] Open
Abstract
As a natural polysaccharide, chitosan has good biocompatibility, biodegradability and biosecurity. The hydroxyl and amino groups present in its structure make it an extremely versatile and chemically modifiable material. In recent years, various synthetic strategies have been used to modify chitosan, mainly to solve the problem of its insolubility in neutral physiological fluids. Thus, derivatives with negative or positive fixed charge were synthesized and used to prepare innovative drug delivery systems. Positively charged conjugates showed improved properties compared to unmodified chitosan. In this review the main quaternary ammonium derivatives of chitosan will be considered, their preparation and their applications will be described to evaluate the impact of the positive fixed charge on the improvement of the properties of the drug delivery systems based on these polymers. Furthermore, the performances of the proposed systems resulting from in vitro and ex vivo experiments will be taken into consideration, with particular attention to cytotoxicity of systems, and their ability to promote drug absorption.
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Li F, Fei Q, Mao D, Si Q, Dai M, Ma Q, Zhang H, Bai L, He N. Comparative Pharmacokinetics of Nimodipine in Rat Plasma and Tissues Following Intraocular, Intragastric, and Intravenous Administration. AAPS PharmSciTech 2020; 21:234. [PMID: 32794077 DOI: 10.1208/s12249-020-01772-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 07/22/2020] [Indexed: 11/30/2022] Open
Abstract
We investigated the pharmacokinetics of nimodipine (NMD) in rats plasma and tissues following intraocular (io), intragastric (ig), and intravenous (iv) administration at doses of 5.0 mg/kg io and iv and 10.0 mg/kg ig. After a single dose of NMD, plasma, heart, liver, spleen, lung, kidney, and brain samples were collected at the scheduled time points. The concentration of NMD in rat plasma and tissues was determined by high-performance liquid chromatography, and the main pharmacokinetic parameters were calculated and compared. NMD was rapidly absorbed and reached the maximum plasma concentration in approximately 5 min after io administration. The absolute bioavailability after io administration was higher than that after ig administration (40.05% vs. 5.67%). There were significant differences in the tissue distribution of NMD with different administration routes. After io administration, NMD was distributed more in the lung, spleen, and brain tissues, and less in the kidney. The maximum drug concentration after io administration in the heart, liver, spleen, lung, kidney, and brain was 1.00, 0.47, 2.02, 1.47, 0.22, and 5.79 times higher than that after via ig administration, and the area under the curve value was 0.59, 0.78, 1.71, 1.84, 0.25, and 4.59 times greater, respectively. Nimodipine appears to achieve systemic effects via io administration. Compared with ig, io administration could significantly increase NMD distribution in the brain tissue, indicating that NMD could be delivered to the brain via io administration.
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Affiliation(s)
- Fang Li
- Department of Pharmaceutics, College of Pharmacy, Anhui University of Chinese Medicine, No. 1, Qianjiang Road, Hefei, 230012, Anhui, China.,College of Biology and Pharmaceutical Engineering, West Anhui University, Lu'an, 237012, China
| | - Qingsong Fei
- Department of Pharmaceutics, College of Pharmacy, Anhui University of Chinese Medicine, No. 1, Qianjiang Road, Hefei, 230012, Anhui, China
| | - Dan Mao
- Department of Pharmaceutics, College of Pharmacy, Anhui University of Chinese Medicine, No. 1, Qianjiang Road, Hefei, 230012, Anhui, China
| | - Qiaoyun Si
- Department of Pharmaceutics, College of Pharmacy, Anhui University of Chinese Medicine, No. 1, Qianjiang Road, Hefei, 230012, Anhui, China
| | - Manman Dai
- Department of Pharmaceutics, College of Pharmacy, Anhui University of Chinese Medicine, No. 1, Qianjiang Road, Hefei, 230012, Anhui, China
| | - Qun Ma
- Department of Pharmaceutics, College of Pharmacy, Anhui University of Chinese Medicine, No. 1, Qianjiang Road, Hefei, 230012, Anhui, China
| | - Huimin Zhang
- Department of Pharmaceutics, College of Pharmacy, Anhui University of Chinese Medicine, No. 1, Qianjiang Road, Hefei, 230012, Anhui, China
| | - Luyu Bai
- Department of Pharmaceutics, College of Pharmacy, Anhui University of Chinese Medicine, No. 1, Qianjiang Road, Hefei, 230012, Anhui, China
| | - Ning He
- Department of Pharmaceutics, College of Pharmacy, Anhui University of Chinese Medicine, No. 1, Qianjiang Road, Hefei, 230012, Anhui, China. .,Institute of Pharmaceutics, Anhui Academy of Chinese Medical Sciences, Hefei, 230012, China. .,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, 230012, China. .,Anhui Province Key Laboratory of Pharmaceutical Preparation Technology and Application, Hefei, 230012, China.
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Tuğcu-Demiröz F, Saar S, Tort S, Acartürk F. Electrospun metronidazole-loaded nanofibers for vaginal drug delivery. Drug Dev Ind Pharm 2020; 46:1015-1025. [DOI: 10.1080/03639045.2020.1767125] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Fatmanur Tuğcu-Demiröz
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Sinem Saar
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Serdar Tort
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Füsun Acartürk
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
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Destruel PL, Zeng N, Brignole-Baudouin F, Douat S, Seguin J, Olivier E, Dutot M, Rat P, Dufaÿ S, Dufaÿ-Wojcicki A, Maury M, Mignet N, Boudy V. In Situ Gelling Ophthalmic Drug Delivery System for the Optimization of Diagnostic and Preoperative Mydriasis: In Vitro Drug Release, Cytotoxicity and Mydriasis Pharmacodynamics. Pharmaceutics 2020; 12:E360. [PMID: 32326492 PMCID: PMC7238180 DOI: 10.3390/pharmaceutics12040360] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/08/2020] [Accepted: 04/13/2020] [Indexed: 11/16/2022] Open
Abstract
Mydriasis is required prior to many eye examinations and ophthalmic surgeries. Nowadays, phenylephrine hydrochloride (PHE) and tropicamide (TPC) are extensively used to induce mydriasis. Several pharmaceutic dosage forms of these two active ingredients have been described. However, no optimal therapeutic strategy has reached the market. The present work focuses on the formulation and evaluation of a mucoadhesive ion-activated in situ gelling delivery system based on gellan gum and hydroxyethylcellulose (HEC) for the delivery of phenylephrine and tropicamide. First, in vitro drug release was studied to assess appropriate sustained drug delivery on the ocular surface region. Drug release mechanisms were explored and explained using mathematical modeling. Then, in situ gelling delivery systems were visualized using scanning electron microscopy illustrating the drug release phenomena involved. Afterward, cytotoxicity of the developed formulations was studied and compared with those of commercially available eye drops. Human epithelial corneal cells were used. Finally, mydriasis intensity and kinetic was investigated in vivo. Mydriasis pharmacodynamics was studied by non-invasive optical imaging on vigilant rabbits, allowing eye blinking and nasolacrimal drainage to occur physiologically. In situ gelling delivery systems mydriasis profiles exhibited a significant increase of intensity and duration compared with those of conventional eye drops. Efficient mydriasis was achieved following the administration of a single drop of in situ gel reducing the required amount of administered active ingredients by four- to eight-fold compared with classic eye drop regimen.
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Affiliation(s)
- Pierre-Louis Destruel
- Unither Développement Bordeaux, ZA Tech Espace, av Toussaint Catros, 33185 Le Haillan, France;
- Département Recherche et Développement Pharmaceutique, Agence Générale des Equipements et Produits de Santé (AGEPS), AP-HP, 7 rue du fer à moulin, 75005 Paris, France (V.B.)
- Université de Paris, UTCBS, CNRS, INSERM, Faculté de Pharmacie, 4 av de l’observatoire, 75006 Paris, France
| | - Ni Zeng
- Unither Pharmaceuticals, 3-5 rue St-Georges, 75009 Paris, France
| | - Françoise Brignole-Baudouin
- UMR CNRS 8038-Chimie Toxicologie Analytique et Cellulaire, 75006 Paris, France
- CNRS UMR 7210-Inserm UMR_S 968, Institut de la Vision, 75012 Paris, France
- Centre Hospitalier National d’Ophtalmologie des Quinze-Vingts, INSERM-DHOS, CIC 503, 75012 Paris, France
| | - Sophie Douat
- Département Recherche et Développement Pharmaceutique, Agence Générale des Equipements et Produits de Santé (AGEPS), AP-HP, 7 rue du fer à moulin, 75005 Paris, France (V.B.)
| | - Johanne Seguin
- Université de Paris, UTCBS, CNRS, INSERM, Faculté de Pharmacie, 4 av de l’observatoire, 75006 Paris, France
| | - Elodie Olivier
- UMR CNRS 8038-Chimie Toxicologie Analytique et Cellulaire, 75006 Paris, France
| | - Melody Dutot
- UMR CNRS 8038-Chimie Toxicologie Analytique et Cellulaire, 75006 Paris, France
- Recherche et Développement, Laboratoire d’Evaluation Physiologique, Yslab, 2 rue Félix le Dantec, 29000 Quimper, France
| | - Patrice Rat
- UMR CNRS 8038-Chimie Toxicologie Analytique et Cellulaire, 75006 Paris, France
| | - Sophie Dufaÿ
- Département Recherche et Développement Pharmaceutique, Agence Générale des Equipements et Produits de Santé (AGEPS), AP-HP, 7 rue du fer à moulin, 75005 Paris, France (V.B.)
| | - Amélie Dufaÿ-Wojcicki
- Département Recherche et Développement Pharmaceutique, Agence Générale des Equipements et Produits de Santé (AGEPS), AP-HP, 7 rue du fer à moulin, 75005 Paris, France (V.B.)
| | - Marc Maury
- Unither Pharmaceuticals, 3-5 rue St-Georges, 75009 Paris, France
| | - Nathalie Mignet
- Université de Paris, UTCBS, CNRS, INSERM, Faculté de Pharmacie, 4 av de l’observatoire, 75006 Paris, France
| | - Vincent Boudy
- Département Recherche et Développement Pharmaceutique, Agence Générale des Equipements et Produits de Santé (AGEPS), AP-HP, 7 rue du fer à moulin, 75005 Paris, France (V.B.)
- Université de Paris, UTCBS, CNRS, INSERM, Faculté de Pharmacie, 4 av de l’observatoire, 75006 Paris, France
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Kolli AR, Kuczaj AK, Martin F, Hayes AW, Peitsch MC, Hoeng J. Bridging inhaled aerosol dosimetry to physiologically based pharmacokinetic modeling for toxicological assessment: nicotine delivery systems and beyond. Crit Rev Toxicol 2020; 49:725-741. [PMID: 31903848 DOI: 10.1080/10408444.2019.1692780] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
One of the challenges for toxicological assessment of inhaled aerosols is to accurately predict their deposited and absorbed dose. Transport, evolution, and deposition of liquid aerosols are driven by complex processes dominated by convection-diffusion that depend on various factors related to physics and chemistry. These factors include the physicochemical properties of the pure substance of interest and associated mixtures, the physical and chemical properties of the aerosols generated, the interplay between different factors during transportation and deposition, and the subject-specific inhalation topography. Several inhalation-based physiologically based pharmacokinetic (PBPK) models have been developed, but the applicability of these models for aerosols has yet to be verified. Nicotine is among several substances that are often delivered via the pulmonary route, with varied kinetics depending upon the route of exposure. This was used as an opportunity to review and discuss the current knowledge and state-of-the-art tools combining aerosol dosimetry predictions with PBPK modeling efforts. A validated tool could then be used to perform for toxicological assessment of other inhaled therapeutic substances. The Science Panel from the Alliance of Risk Assessment have convened at the "Beyond Science and Decisions: From Problem Formulation to Dose-Response Assessment" workshop to evaluate modeling approaches and address derivation of exposure-internal dose estimations for inhaled aerosols containing nicotine or other substances. The discussion involved PBPK model evaluation criteria, challenges, and choices that arise in such a model design, development, and application as a computational tool for use in human toxicological assessments.
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Affiliation(s)
- A R Kolli
- PMI R&D, Philip Morris Products S.A, Neuchâtel, Switzerland
| | - A K Kuczaj
- PMI R&D, Philip Morris Products S.A, Neuchâtel, Switzerland.,Department of Applied Mathematics, Faculty EEMCS, University of Twente, Enschede, The Netherlands
| | - F Martin
- PMI R&D, Philip Morris Products S.A, Neuchâtel, Switzerland
| | - A W Hayes
- College of Public Health, University of South Florida, Tampa, FL, USA
| | - M C Peitsch
- PMI R&D, Philip Morris Products S.A, Neuchâtel, Switzerland
| | - J Hoeng
- PMI R&D, Philip Morris Products S.A, Neuchâtel, Switzerland
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Jurišić Dukovski B, Juretić M, Bračko D, Randjelović D, Savić S, Crespo Moral M, Diebold Y, Filipović-Grčić J, Pepić I, Lovrić J. Functional ibuprofen-loaded cationic nanoemulsion: Development and optimization for dry eye disease treatment. Int J Pharm 2019; 576:118979. [PMID: 31870964 DOI: 10.1016/j.ijpharm.2019.118979] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 12/16/2019] [Accepted: 12/17/2019] [Indexed: 12/31/2022]
Abstract
Inflammation plays a key role in dry eye disease (DED) affecting millions of people worldwide. Non-steroidal anti-inflammatory drugs (NSAIDs) can be used topically to act on the inflammatory component of DED, but their limited aqueous solubility raises formulation issues. The aim of this study was development and optimization of functional cationic nanoemulsions (NEs) for DED treatment, as a formulation approach to circumvent solubility problems, prolong drug residence at the ocular surface and stabilize the tear film. Ibuprofen was employed as the model NSAID, chitosan as the cationic agent, and lecithin as the anionic surfactant enabling chitosan incorporation. Moreover, lecithin is a mixture of phospholipids including phosphatidylcholine and phosphatidylethanolamine, two constituents of the natural tear film important for its stability. NEs were characterized in terms of droplet size, polydispersity index, zeta-potential, pH, viscosity, osmolarity, surface tension, entrapment efficiency, stability, sterilizability and in vitro release. NEs mucoadhesive properties were tested rheologically after mixing with mucin dispersion. Biocompatibility was assessed employing 3D HCE-T cell-based model and ex vivo model using porcine corneas. The results of our study pointed out the NE formulation with 0.05% (w/w) chitosan as the lead formulation with physicochemical properties adequate for ophthalmic application, mucoadhesive character and excellent biocompatibility.
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Affiliation(s)
- Bisera Jurišić Dukovski
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Technology, Zagreb, Croatia
| | - Marina Juretić
- R&D, PLIVA Croatia Ltd, TEVA Group Member, Zagreb, Croatia
| | - Danka Bračko
- R&D, PLIVA Croatia Ltd, TEVA Group Member, Zagreb, Croatia
| | - Danijela Randjelović
- University of Belgrade, Institute of Chemistry, Technology and Metallurgy, Department of Microelectronic Technologies, Belgrade, Serbia
| | - Snežana Savić
- University of Belgrade, Faculty of Pharmacy, Department of Pharmaceutical Technology and Cosmetology, Belgrade, Serbia
| | - Mario Crespo Moral
- University of Valladolid, Institute of Applied Ophthalmo-Biology (IOBA), Valladolid, Spain
| | - Yolanda Diebold
- University of Valladolid, Institute of Applied Ophthalmo-Biology (IOBA), Valladolid, Spain; Biomedical Research Networking Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Valladolid, Spain
| | - Jelena Filipović-Grčić
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Technology, Zagreb, Croatia
| | - Ivan Pepić
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Technology, Zagreb, Croatia
| | - Jasmina Lovrić
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Technology, Zagreb, Croatia.
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HPMC- and PLGA-Based Nanoparticles for the Mucoadhesive Delivery of Sitagliptin: Optimization and In Vivo Evaluation in Rats. MATERIALS 2019; 12:ma12244239. [PMID: 31861192 PMCID: PMC6947415 DOI: 10.3390/ma12244239] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 12/10/2019] [Accepted: 12/12/2019] [Indexed: 01/17/2023]
Abstract
Mucoadhesive nanoparticles represent a potential drug delivery strategy to enhance the therapeutic efficacy in oral therapy. This study assessed the prospective of developing HPMC- and PLGA-based nanoparticles using a nanospray drier as a mucoadhesive extended release drug delivery system for sitagliptin and evaluated their potential in an animal model. Nanoparticles were prepared using a Buchi® B-90 nanospray drier. Optimization of particle size was performed using response surface methodology by examining the influence of spray-drying process variables (inlet temperature, feed flow, and polymer concentration) on the particle size. The prepared nanoparticles were characterized for various physicochemical characteristics (yield, drug content, morphology, particle size, thermal, and crystallographic properties) and assessed for drug release, stability, and mucoadhesive efficacy by ex vivo and in vivo studies in rats. A linear model was suggested by the design of the experiments to be the best fit for the generated design and values. The yield was 77 ± 4%, and the drug content was 90.5 ± 3.5%. Prepared nanoparticles showed an average particle size of 448.8 nm, with a narrow particle size distribution, and were wrinkled. Thermal and crystallographic characteristics showed that the drug present in the nanoparticles is in amorphous dispersion. Nanoparticles exhibited a biphasic drug release with an initial rapid release (24.9 ± 2.7% at 30 min) and a prolonged release (98.9 ± 1.8% up to 12 h). The ex vivo mucoadhesive studies confirmed the adherence of nanoparticles in stomach mucosa for a long period. Histopathological assessment showed that the formulation is safe for oral drug delivery. Nanoparticles showed a significantly higher (p < 0.05) amount of sitagliptin retention in the GIT (gastrointestinal tract) as compared to control. The data observed in this study indicate that the prepared mucoadhesive nanoparticles can be an effective alternative delivery system for the oral therapy of sitagliptin.
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Mucoadhesive buccal film of almotriptan improved therapeutic delivery in rabbit model. Saudi Pharm J 2019; 28:201-209. [PMID: 32042259 PMCID: PMC7000341 DOI: 10.1016/j.jsps.2019.11.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Accepted: 11/29/2019] [Indexed: 01/03/2023] Open
Abstract
Administration of almotriptan as an oral therapy is largely limited because of poor aqueous solubility and rather low bioavailability. The aim of present investigation was to formulate oral mucoadhesive film of almotriptan to improve the drug delivery and desired therapeutic effects. Placebo films (F1-F8) were prepared by varying the concentrations of Proloc 15 (7.5-15% w/v) and Eudragit RL 100/RS 100 (15-30% w/v) polymers. Physicomechanical and pharmaceutical characteristics of drug loaded films (FA1-FA4) were examined. Selected FA4 film was evaluated in vivo by assessing the pharmacokinetic profile and compared with oral therapy in rabbits. FA1-FA4 films exhibited excellent physicomechanical properties and rapid hydration. A biphasic and considerably greater drug release (p < 0.05) was observed in FA3 and FA4 films contain higher amount of hydrophilic polymer. The rate of permeation of almotriptan was found to be significantly higher in FA4 than FA3 film (p < 0.005). Fourier transform infrared spectral scan indicates no incompatibility exists between the drug and polymers used. Differential scanning calorimetry thermogram represents the evidence of almotriptan amorphization and molecular dispersion of it in the film. Scanning electron microscopy images shows that FA4 possess good morphological features and hence suitable for use in the buccal application. In vivo data demonstrated rapid and efficient absorption (p < 0.005) of almotriptan with greater AUC0-12 (>2 folds, p < 0.0001) by FA4 film as compared to oral (control). In general, the data established the potential of FA4 film to improve the therapeutic delivery of almotriptan and offers a promising option in migraine therapy.
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Nižić L, Potaś J, Winnicka K, Szekalska M, Erak I, Gretić M, Jug M, Hafner A. Development, characterisation and nasal deposition of melatonin-loaded pectin/hypromellose microspheres. Eur J Pharm Sci 2019; 141:105115. [PMID: 31654755 DOI: 10.1016/j.ejps.2019.105115] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 10/01/2019] [Accepted: 10/20/2019] [Indexed: 11/19/2022]
Abstract
In this study, we present the development of spray-dried pectin/hypromellose microspheres as efficient melatonin carrier for targeted nasal delivery. Different pectin to hypromellose weight ratios in the spray-dried feed were employed (i.e. 1:0, 3:1, 1:1 and 1:3) in order to optimise microsphere physicochemical properties influencing overall powder behaviour prior, during and upon nasal delivery. All microspheres assured complete melatonin entrapment and increased dissolution rate in relation to pure melatonin powder. Among all combinations tested, combining pectin with hypromellose at 1:3 wt ratio resulted in the microspheres with the highest potential for melatonin nasal delivery as they assured highest swelling ability and most prominent mucoadhesive properties. Studies on deposition profile revealed adequate turbinate and olfactory deposition of microsphere/lactose monohydrate powder blend administered nasally using MIAT® device, complementing findings relevant for their therapeutic potential. In conclusion, developed microspheres bear the potential to ensure prolonged melatonin retention at the nasal mucosa, improved bioavailability and advanced therapeutic outcome.
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Affiliation(s)
- Laura Nižić
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Technology, Zagreb, Croatia
| | - Joanna Potaś
- Faculty of Pharmacy, Department of Pharmaceutical Technology, Medical University of Bialystok, Bialystok, Poland
| | - Katarzyna Winnicka
- Faculty of Pharmacy, Department of Pharmaceutical Technology, Medical University of Bialystok, Bialystok, Poland
| | - Marta Szekalska
- Faculty of Pharmacy, Department of Pharmaceutical Technology, Medical University of Bialystok, Bialystok, Poland
| | - Iva Erak
- R&D, PLIVA Croatia Ltd., TEVA Group Member, Zagreb, Croatia
| | - Matija Gretić
- University of Zagreb, Faculty of Chemical Engineering and Technology, Department of Mechanical and Thermal Process Engineering, Zagreb, Croatia
| | - Mario Jug
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Technology, Zagreb, Croatia
| | - Anita Hafner
- University of Zagreb, Faculty of Pharmacy and Biochemistry, Department of Pharmaceutical Technology, Zagreb, Croatia.
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In vitro release testing methods for drug-releasing vaginal rings. J Control Release 2019; 313:54-69. [PMID: 31626862 DOI: 10.1016/j.jconrel.2019.10.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 10/05/2019] [Accepted: 10/08/2019] [Indexed: 12/28/2022]
Abstract
Drug-releasing vaginal rings are torus-shaped devices, generally fabricated from thermoplastic polymers or silicone elastomers, used to administer pharmaceutical drugs to the human vagina for periods typically ranging from three weeks to twelve months. One of the most important product performance tests for vaginal rings is the in vitro release test. Although it has been fifty years since a vaginal ring device was first described in the scientific literature, and despite seven drug-releasing vaginal rings having been approved for market, there is no universally accepted method for testing in vitro drug release, and only one non-compendial shaking incubator method (for the estradiol-releasing ring Estring®) is described in the US Food and Drug Administration's Dissolution Methods Database. Here, for the first time, we critically review the diverse range of test methods that have been described in the scientific literature for testing in vitro release of drug-releasing vaginal rings. Issues around in vitro-in vivo correlation and modelling of in vitro release data are also discussed.
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Kapoor B, Gupta R, Gulati M, Singh SK, Khursheed R, Gupta M. The Why, Where, Who, How, and What of the vesicular delivery systems. Adv Colloid Interface Sci 2019; 271:101985. [PMID: 31351415 DOI: 10.1016/j.cis.2019.07.006] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 07/06/2019] [Accepted: 07/06/2019] [Indexed: 12/14/2022]
Abstract
Though vesicular delivery systems have been widely explored and reviewed, no comprehensive review exists that covers their development from the inception of the concept to its culmination in the form of regulated marketed formulations. With the advancement of scientific research in the field of nanomedicine, certain category of vesicular delivery systems have successfully reached the global market. Despite extensive research and highly encouraging results in a plethora of pathological conditions in the preclinical studies, translation of these nanomedicines from laboratory to market has been very limited. Aim of this review is to describe comprehensively the various colloidal delivery systems, focusing mainly on their conventional and advanced methods of preparation, different characterization techniques and main success stories of their journey from bench to bedside of the patient. The review also touches the finer nuances of the use of modern formulation approach of DoE (Design of Experiments) in their formulation and the status of regulatory guidelines for the approval of these nanomedicines.
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37
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Wang J, Wang Y, Zhang E, Zhou M, Lin J, Yang Q. Intranasal administration with recombinant Bacillus subtilis induces strong mucosal immune responses against pseudorabies. Microb Cell Fact 2019; 18:103. [PMID: 31170996 PMCID: PMC6555017 DOI: 10.1186/s12934-019-1151-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 05/28/2019] [Indexed: 12/22/2022] Open
Abstract
Background Pseudorabies caused by pseudorabies virus (PRV) mainly infects the swine and seriously threatens the biosafety of the other animals, including humans. Since 2011, the outbreaks of PRV mutants have caused enormous economic losses in the swine industry, and traditional vaccines cannot offer enough protection. PRV can transmit by direct contact, aerosol transmission and pollutants. PRV mainly transmit through the nasal mucosa. After infecting the nasal epithelial cells, PRV can quickly infect the olfactory nerve and establish a potential infection of sensory neurons. Therefore, nasal immunity can effectively prevent viral colonization infection. Recombinant Bacillus subtilis has been widely used to deliver antigen and achieve adequate protective immune responses. Results The present study successfully constructed recombinant Bacillus subtilis (B. subtilis) expressing the dominant antigen regions of PRV gC and gD proteins (named B. subtilis-gCa and B. subtilis-gDa). Furtherly, we evaluated the immunogenicity of the two recombinant B. subtilis in mice. The mice intranasal administration with B. subtilis-gCa and B. subtilis-gDa effectively stimulated IgA and IgG immune responses, further regulated specific T lymphocytes proliferative response by IFN-γ and IL-10, and ultimately produced high titers of neutralizing antibodies against PRV infection. In particular, B. subtilis-gDa possessed more excellent immune effect than B. subtilis-gCa in mice. Conclusions These results suggested that B. subtilis-gCa and B. subtilis-gDa could trigger high levels of mucosal and systemic immune responses and would be potential candidates for developing PRV vaccines. Electronic supplementary material The online version of this article (10.1186/s12934-019-1151-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Jialu Wang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, 210095, Jiangsu, People's Republic of China
| | - Yongheng Wang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, 210095, Jiangsu, People's Republic of China
| | - En Zhang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, 210095, Jiangsu, People's Republic of China
| | - Mengyun Zhou
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, 210095, Jiangsu, People's Republic of China
| | - Jian Lin
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, 210095, Jiangsu, People's Republic of China
| | - Qian Yang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, 210095, Jiangsu, People's Republic of China.
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Sheshala R, Anuar NK, Abu Samah NH, Wong TW. In Vitro Drug Dissolution/Permeation Testing of Nanocarriers for Skin Application: a Comprehensive Review. AAPS PharmSciTech 2019; 20:164. [PMID: 30993407 DOI: 10.1208/s12249-019-1362-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 03/07/2019] [Indexed: 12/29/2022] Open
Abstract
This review highlights in vitro drug dissolution/permeation methods available for topical and transdermal nanocarriers that have been designed to modulate the propensity of drug release, drug penetration into skin, and permeation into systemic circulation. Presently, a few of USFDA-approved in vitro dissolution/permeation methods are available for skin product testing with no specific application to nanocarriers. Researchers are largely utilizing the in-house dissolution/permeation testing methods of nanocarriers. These drug release and permeation methods are pending to be standardized. Their biorelevance with reference to in vivo plasma concentration-time profiles requires further exploration to enable translation of in vitro data for in vivo or clinical performance prediction.
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Lee GW, Cho HH, Jeon SH, Choi MJ, Kim D, Kim HS, Song JE, Khang G. Improved Rapid Action of Dapoxetine Hydrochloride & L-arginine Solid Dispersion Using Film Formulation. Macromol Res 2019. [DOI: 10.1007/s13233-019-7047-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Giménez VM, Sperandeo N, Faudone S, Noriega S, Manucha W, Kassuha D. Preparation and characterization of bosentan monohydrate/ε-polycaprolactone nanoparticles obtained by electrospraying. Biotechnol Prog 2018; 35:e2748. [PMID: 30548149 DOI: 10.1002/btpr.2748] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 10/23/2018] [Accepted: 11/13/2018] [Indexed: 11/08/2022]
Abstract
The electrospraying technique provides nano and microparticles that can be used as drug delivery systems. The aims of this study were, firstly, to optimize the influent parameters of electrospraying for the manufacture of a Bosentan (BOS) nanoparticulate platform, and secondly, to evaluate its physicochemical properties and in vitro biopharmaceutical behavior. Particles were characterized by scanning electron microscopy (SEM), powder X-ray diffraction (PXRD), differential scanning calorimetry (DSC), thermogravimetry (TG) and Fourier transformed Infrared spectroscopy (FTIR). Drug loading, encapsulation efficiency and kinetic dissolution were determined. Additionally, Bosentan release assays at 24 and 72 h were performed in vitro to evaluate biopharmaceutical properties of nano-scaffolds by diffusion technique through dialysis bag. The nanostructures had heterogeneous sizes predominantly smaller than 550 nm and they were semicrystalline according to PXRD, indicating a partial amorphization of BOS during the encapsulation in the polymer matrix. FT-IR and DSC showed an absence of chemical interactions between BOS and ε-Polycaprolactone (PCL), suggesting that both components behaved as a physical mixture in these particles. The drug loading was 25.98%, and the encapsulation efficiency was 58.51%. Additionally, the release assays showed an extended and controlled release of BOS, in comparison to non-encapsulated BOS. These data also showed to fit with the Cubic Root kinetic dissolution. As a conclusion, we demonstrate that the use of electrospraying for the manufacture of BOS (or similar drugs) controlled release nanoplatforms would represent an interesting contribution in the development of new therapeutic alternatives for the treatment of pathologies such as pulmonary hypertension and other related diseases. © 2018 American Institute of Chemical Engineers Biotechnol. Prog., 35: e2748, 2019.
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Affiliation(s)
- Virna M Giménez
- Instituto de Investigaciones en Ciencias Químicas. Facultad de Ciencias Químicas y Tecnológicas, Universidad Católica de Cuyo, San Juan, Argentina
| | - Norma Sperandeo
- Departamento de Ciencias Farmacéuticas, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba and UNITEFA (CONICET-UNC), Córdoba, Argentina
| | - Sonia Faudone
- Centro de Excelencia en Productos y Procesos de Córdoba CEPROCOR, Córdoba, Argentina
| | - Sandra Noriega
- Instituto de Investigaciones en Ciencias Químicas. Facultad de Ciencias Químicas y Tecnológicas, Universidad Católica de Cuyo, San Juan, Argentina
| | - Walter Manucha
- Instituto de Medicina y Biología Experimental de Cuyo, Consejo Nacional de Investigación Científica y Tecnológica (IMBECU-CONICET), Mendoza, Argentina.,Laboratorio de Farmacología Experimental Básica y Traslacional. Área de Farmacología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Mendoza, Argentina
| | - Diego Kassuha
- Instituto de Investigaciones en Ciencias Químicas. Facultad de Ciencias Químicas y Tecnológicas, Universidad Católica de Cuyo, San Juan, Argentina
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Bialy LP, Wojcik C, Mlynarczuk-Bialy I. Mucosal delivery systems of antihypertensive drugs: A practical approach in general practice. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2018; 162:71-78. [PMID: 29765168 DOI: 10.5507/bp.2018.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 04/16/2018] [Indexed: 12/30/2022] Open
Abstract
Patients who are unable to receive oral medication (p.o.) are a major problem in outpatient settings, especially in home health care systems. Mucosal administration of drugs offers an alternative to the oral route, especially when the parenteral mode cannot be used. There are three main pathways of mucosal administration: sublingual/buccal, intranasal and rectal. We discuss the possibility of mucosal delivery of antihypertensive drugs. Perindopril arginine and Amlodipine besylate are registered in the EU as orodispersible tablets for oromucosal delivery, however, they are not available in all countries. For this reason, we describe other drugs suitable for mucosal delivery: Captopril and Nitrendipine in the sublingual system and Metoprolol tartrate, Propranolol and Furosemide by the transrectal route. Based on the published data and common clinical practice we discuss the use of mucosal delivery systems of all these antihypertensive drugs with special attention to their pharmacokinetics. We illustrate this mini-review with a case report of the prolonged-term use of mucosal delivery of sublingual Captopril and Nitrendipine combined with rectal Metoprolol tartrate and Furosemide in a patient with severe hypertension unable to receive medication p.o. This is also a report on the first human use of Furosemide-containing suppositories as well as prolonged-term transmucosal administration of these four drugs, describing a practical approach leading to successful control of severe hypertension with four antihypertensive drugs delivered via the mucosal route. The treatment was effective and without side effects; however, the long-term safety and efficacy of such therapy must be confirmed by randomized clinical trials.
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Affiliation(s)
- Lukasz P Bialy
- Private General Practice (Praktyka Lekarska dr n. med. Lukasz Bialy), Warsaw, Poland.,Department of Histology and Embryology, Medical University of Warsaw, Warsaw, Poland
| | - Cezary Wojcik
- Department of Family Medicine, Oregon Health and Sciences University, Portland, OR, USA
| | - Izabela Mlynarczuk-Bialy
- Private General Practice (Praktyka Lekarska dr n. med. Lukasz Bialy), Warsaw, Poland.,Department of Histology and Embryology, Medical University of Warsaw, Warsaw, Poland
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Liang K, Carmone S, Brambilla D, Leroux JC. 3D printing of a wearable personalized oral delivery device: A first-in-human study. SCIENCE ADVANCES 2018; 4:eaat2544. [PMID: 29750201 PMCID: PMC5942915 DOI: 10.1126/sciadv.aat2544] [Citation(s) in RCA: 109] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 03/26/2018] [Indexed: 05/27/2023]
Abstract
Despite the burgeoning interest in three-dimensional (3D) printing for the manufacture of customizable oral dosage formulations, a U.S. Food and Drug Administration-approved tablet notwithstanding, the full potential of 3D printing in pharmaceutical sciences has not been realized. In particular, 3D-printed drug-eluting devices offer the possibility for personalization in terms of shape, size, and architecture, but their clinical applications have remained relatively unexplored. We used 3D printing to manufacture a tailored oral drug delivery device with customizable design and tunable release rates in the form of a mouthguard and, subsequently, evaluated the performance of this system in the native setting in a first-in-human study. Our proof-of-concept work demonstrates the immense potential of 3D printing as a platform for the development and translation of next-generation drug delivery devices for personalized therapy.
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Silva-Abreu M, Espinoza LC, Halbaut L, Espina M, García ML, Calpena AC. Comparative Study of Ex Vivo Transmucosal Permeation of Pioglitazone Nanoparticles for the Treatment of Alzheimer's Disease. Polymers (Basel) 2018; 10:E316. [PMID: 30966351 PMCID: PMC6414928 DOI: 10.3390/polym10030316] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 03/11/2018] [Accepted: 03/13/2018] [Indexed: 12/30/2022] Open
Abstract
Pioglitazone has been reported in the literature to have a substantial role in the improvement of overall cognition in a mouse model. With this in mind, the aim of this study was to determine the most efficacious route for the administration of Pioglitazone nanoparticles (PGZ-NPs) in order to promote drug delivery to the brain for the treatment of Alzheimer's disease. PGZ-loaded NPs were developed by the solvent displacement method. Parameters such as mean size, polydispersity index, zeta potential, encapsulation efficacy, rheological behavior, and short-term stability were evaluated. Ex vivo permeation studies were then carried out using buccal, sublingual, nasal, and intestinal mucosa. PGZ-NPs with a size around of 160 nm showed high permeability in all mucosae. However, the permeation and prediction parameters revealed that lag-time and vehicle/tissue partition coefficient of nasal mucosa were significantly lower than other studied mucosae, while the diffusion coefficient and theoretical steady-state plasma concentration of the drug were higher, providing biopharmaceutical results that reveal more favorable PGZ permeation through the nasal mucosa. The results suggest that nasal mucosa represents an attractive and non-invasive pathway for PGZ-NPs administration to the brain since the drug permeation was demonstrated to be more favorable in this tissue.
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Affiliation(s)
- Marcelle Silva-Abreu
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain.
- Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, 08028 Barcelona, Spain.
| | - Lupe Carolina Espinoza
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain.
- Departamento de Química y Ciencias Exactas, Universidad Técnica Particular de Loja, Loja 1101608, Ecuador.
| | - Lyda Halbaut
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain.
| | - Marta Espina
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain.
- Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, 08028 Barcelona, Spain.
| | - María Luisa García
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain.
- Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, 08028 Barcelona, Spain.
| | - Ana Cristina Calpena
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain.
- Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, 08028 Barcelona, Spain.
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