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Anjum F, Wessner M, De Witte B, Al-Rifai N, Collas A, Sadowski G. Tailoring the use of excipients in bottom-up production of naproxen crystal suspensions via membrane technology. Int J Pharm 2024; 652:123846. [PMID: 38272195 DOI: 10.1016/j.ijpharm.2024.123846] [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: 11/16/2023] [Revised: 01/19/2024] [Accepted: 01/21/2024] [Indexed: 01/27/2024]
Abstract
Long-acting crystal suspensions of active pharmaceutical ingredients (API) mostly comprised of an API, a suspension media (water) and excipients and provide sustained API release over time. Excipients are crucial for controlling particle size and to achieve the stability of the API crystals in suspension. A bottom-up process was designed to produce long-acting crystal suspensions whilst investigating the excipient requirements during the production process and the subsequent storage. PVP K30 emerged as the most effective excipient for generating stable naproxen crystals with the desired size of 1 to 15 μm, using ethanol as solvent and water as anti-solvent. Calculations, performed based on the crystal properties and assuming complete PVP K30 adsorption on the crystal surface, revealed lower PVP K30 requirements during storage compared to initial crystal generation. Consequently, a membrane-based diafiltration process was used to determine and fine-tune PVP K30 concentration in the suspension post-crystallization. A seven-stage diafiltration process removed 98 % of the PVP K30 present in the suspension thereby reducing the PVP-to-naproxen ratio from 1:2 to 1:39 without impacting the stability of naproxen crystals in suspension. This work provides insights into the excipient requirements at various production stages and introduce the membrane-based diafiltration for precise excipient control after crystallization.
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Affiliation(s)
- Fatima Anjum
- Department of Biochemical and Chemical Engineering, Laboratory of Thermodynamics, TU Dortmund University, Emil-Figge-Str. 70, D-44227 Dortmund, Germany.
| | - Maximilian Wessner
- Department of Biochemical and Chemical Engineering, Laboratory of Thermodynamics, TU Dortmund University, Emil-Figge-Str. 70, D-44227 Dortmund, Germany.
| | - Bruno De Witte
- Therapeutics Development & Supply, The Janssen Pharmaceutical Companies of Johnson & Johnson, Beerse, Belgium.
| | - Noor Al-Rifai
- Therapeutics Development & Supply, The Janssen Pharmaceutical Companies of Johnson & Johnson, Beerse, Belgium.
| | - Alain Collas
- Therapeutics Development & Supply, The Janssen Pharmaceutical Companies of Johnson & Johnson, Beerse, Belgium.
| | - Gabriele Sadowski
- Department of Biochemical and Chemical Engineering, Laboratory of Thermodynamics, TU Dortmund University, Emil-Figge-Str. 70, D-44227 Dortmund, Germany.
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Elzayat AM, Adam-Cervera I, Albus M, Cháfer A, Badia JD, Pérez-Pla FF, Muñoz-Espí R. Polysaccharide/Silica Microcapsules Prepared via Ionic Gelation Combined with Spray Drying: Application in the Release of Hydrophilic Substances and Catalysis. Polymers (Basel) 2023; 15:4116. [PMID: 37896359 PMCID: PMC10610447 DOI: 10.3390/polym15204116] [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: 08/31/2023] [Revised: 10/02/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Polysaccharide/silica hybrid microcapsules were prepared using ionic gelation followed by spray-drying. Chitosan and alginate were used as biopolymer matrices, and in situ prepared silica was used as a structuring additive. The prepared microparticles were used in two very different applications: the encapsulation of hydrophilic molecules, and as a support for palladium nanoparticles used as catalysts for a model organic reaction, namely the reduction of p-nitrophenol by sodium borhydride. In the first application, erioglaucine disodium salt, taken as a model hydrophilic substance, was encapsulated in situ during the preparation of the microparticles. The results indicate that the presence of silica nanostructures, integrated within the polymer matrix, affect the morphology and the stability of the particles, retarding the release of the encapsulated substance. In the second application, chloropalladate was complexed on the surface of chitosan microparticles, and palladium(II) was subsequently reduced to palladium(0) to obtain heterogeneous catalysts with an excellent performance.
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Affiliation(s)
- Asmaa M. Elzayat
- Institute of Materials Science (ICMUV), Universitat de València, C/Catedràtic José Beltrán 2, 46980 Paterna, Spain
- Physics Department, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
| | - Inés Adam-Cervera
- Institute of Materials Science (ICMUV), Universitat de València, C/Catedràtic José Beltrán 2, 46980 Paterna, Spain
| | - Marie Albus
- Institute of Materials Science (ICMUV), Universitat de València, C/Catedràtic José Beltrán 2, 46980 Paterna, Spain
| | - Amparo Cháfer
- Department of Chemical Engineering, School of Engineering, Universitat de València, Av. de la Universitat s/n, 46100 Burjassot, Spain
| | - José D. Badia
- Department of Chemical Engineering, School of Engineering, Universitat de València, Av. de la Universitat s/n, 46100 Burjassot, Spain
| | - Francisco F. Pérez-Pla
- Institute of Materials Science (ICMUV), Universitat de València, C/Catedràtic José Beltrán 2, 46980 Paterna, Spain
| | - Rafael Muñoz-Espí
- Institute of Materials Science (ICMUV), Universitat de València, C/Catedràtic José Beltrán 2, 46980 Paterna, Spain
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3
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Krupa A, Danède F, Majda D, Węgrzyn A, Strojewski D, Kondera I, Willart JF. High energy ball milling vs. nano spray drying in the development of supersaturated systems loaded with bosentan. Eur J Pharm Biopharm 2023:S0939-6411(23)00136-4. [PMID: 37196874 DOI: 10.1016/j.ejpb.2023.05.014] [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: 02/20/2023] [Revised: 04/22/2023] [Accepted: 05/12/2023] [Indexed: 05/19/2023]
Abstract
In this study, high energy ball milling and nano spray drying were used to prepare amorphous solid dispersions of bosentan in copovidone for the first time. In particular, the impact of this polymer on the bosentan amorphization kinetics was investigated. Copovidone was shown to facilitate the amorphization of bosentan upon ball milling. As a result, bosentan was dispersed in copovidone at the molecular level, forming amorphous solid dispersions, regardless of the ratio of the compounds. The similarity between the values of the adjustment parameter that describes the goodness of fit of the Gordon-Taylor equation to the experimental data (K = 1.16) and that theoretically calculated for an ideal mixture (K = 1.13) supported these findings. The kind of coprocessing method determined the powder microstructure and the release rate. The opportunity to prepare submicrometer-sized spherical particles using nano spray drying was an important advantage of this technology. Both coprocessing methods allowed the formation of long-lasting supersaturated bosentan solutions in the gastric environment with maximum concentrations reached ranging from four (11.20 μg/mL) to more than ten times higher (31.17 μg/mL) than those recorded when the drug was vitrified alone (2.76 μg/mL). Moreover, this supersaturation lasted for a period of time at least twice as long as that of the amorphous bosentan processed without copovidone (15 min vs. 30-60 min). Finally, these binary amorphous solid dispersions were XRD-amorphous for a year of storage under ambient conditions.
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Affiliation(s)
- Anna Krupa
- Jagiellonian University, Medical College, Faculty of Pharmacy, Department of Pharmaceutical Technology and Biopharmaceutics, 9 Medyczna Street, 30-688 Cracow, Poland; University of Lille, CNRS, INRAE, Centrale Lille, UMR 8207, UMET - Unité Matériaux et Transformations, F-59000 Lille, France.
| | - Florence Danède
- University of Lille, CNRS, INRAE, Centrale Lille, UMR 8207, UMET - Unité Matériaux et Transformations, F-59000 Lille, France
| | - Dorota Majda
- Jagiellonian University, Faculty of Chemistry, 2 Gronostajowa Street, 30-387 Cracow, Poland
| | - Agnieszka Węgrzyn
- Jagiellonian University, Faculty of Chemistry, 2 Gronostajowa Street, 30-387 Cracow, Poland
| | - Dominik Strojewski
- Jagiellonian University, Medical College, Faculty of Pharmacy, Department of Pharmaceutical Technology and Biopharmaceutics, 9 Medyczna Street, 30-688 Cracow, Poland
| | - Ita Kondera
- Jagiellonian University, Medical College, Faculty of Pharmacy, Department of Pharmaceutical Technology and Biopharmaceutics, 9 Medyczna Street, 30-688 Cracow, Poland
| | - Jean-François Willart
- University of Lille, CNRS, INRAE, Centrale Lille, UMR 8207, UMET - Unité Matériaux et Transformations, F-59000 Lille, France
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Guthrie SM, Smith N, Conley AM, Smilgies DM, Giri G. Precipitation dominated thin films of acetaminophen fabricated by meniscus guided coating. CrystEngComm 2022. [DOI: 10.1039/d1ce01437d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Crystallization above the solvent boiling point facilitates the identification of a new precipitation dominant morphology during meniscus guided coating.
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Affiliation(s)
- Stephanie M. Guthrie
- Department of Chemical Engineering, University of Virginia, Charlottesville, Virginia, 22904, USA
| | - Natalie Smith
- Department of Chemical Engineering, University of Virginia, Charlottesville, Virginia, 22904, USA
| | - Ashley M. Conley
- Department of Chemical Engineering, University of Virginia, Charlottesville, Virginia, 22904, USA
| | - Detlef-M. Smilgies
- Cornell High Energy Synchrotron Source (CHESS), Wilson Laboratory, Cornell University, Ithaca, New York 14853, USA
| | - Gaurav Giri
- Department of Chemical Engineering, University of Virginia, Charlottesville, Virginia, 22904, USA
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Ye L, Chen W, Chen Y, Qiu Y, Yi J, Li X, Lin Q, Guo B. Functionalized multiwalled carbon nanotube-ethosomes for transdermal delivery of ketoprofen: Ex vivo and in vivo evaluation. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Jakubowska E, Milanowski B, Lulek J. A Systematic Approach to the Development of Cilostazol Nanosuspension by Liquid Antisolvent Precipitation (LASP) and Its Combination with Ultrasound. Int J Mol Sci 2021; 22:ijms222212406. [PMID: 34830298 PMCID: PMC8619020 DOI: 10.3390/ijms222212406] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/05/2021] [Accepted: 11/12/2021] [Indexed: 12/14/2022] Open
Abstract
Nanosizing is an approach to improve the dissolution rate of poorly soluble drugs. The first aim of this work was to develop nanosuspension of cilostazol with liquid antisolvent precipitation (LASP) and its combination with ultrasound. Second, to systematically study the effect of bottom-up processing factors on precipitated particles’ size and identify the optimal settings for the best reduction. After solvent and stabilizer screening, in-depth process characterization and optimization was performed using Design of Experiments. The work discusses the influence of critical factors found with statistical analysis: feed concentration, stabilizer amount, stirring speed and ultrasound energy governed by time and amplitude. LASP alone only generated particle size of a few microns, but combination with ultrasound was successful in nanosizing (d10 = 0.06, d50 = 0.33, d90 = 1.45 µm). Micro- and nanosuspension’s stability, particle morphology and solid state were studied. Nanosuspension displayed higher apparent solubility than equilibrium and superior dissolution rate over coarse cilostazol and microsuspension. A bottom-up method of precipitation-sonication was demonstrated to be a successful approach to improve the dissolution characteristics of poorly soluble, BCS class II drug cilostazol by reducing its particle size below micron scale, while retaining nanosuspension stability and unchanged crystalline form.
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Li J, Wang Z, Zhang H, Gao J, Zheng A. Progress in the development of stabilization strategies for nanocrystal preparations. Drug Deliv 2021; 28:19-36. [PMID: 33336609 PMCID: PMC8725885 DOI: 10.1080/10717544.2020.1856224] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
In recent years, nanocrystal technology has been extensively investigated. Due to the submicron particle size and unique physicochemical properties of nanocrystals, they overcome the problems of low drug solubility and poor bioavailability. Although the structures of nanocrystals are simple, the further development of these materials is hindered by their stability. Drug nanocrystals with particle sizes of 1∼1000 nm usually require the addition of stabilizers such as polymers or surfactants to enhance their stability. The stability of nanocrystal suspensions and the redispersibility of solid nanocrystal drugs are the key factors for the large-scale production of nanocrystal preparations. In this paper, the factors that affect the stability of drug nanocrystal preparations are discussed, and related methods for solving the stability problem are put forward.
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Affiliation(s)
- Jingru Li
- Department of Pharmaceutics, Institute of Pharmacology and Toxicology of Academy of Military Medical Sciences, Beijing, China
| | - Zengming Wang
- Department of Pharmaceutics, Institute of Pharmacology and Toxicology of Academy of Military Medical Sciences, Beijing, China
| | - Hui Zhang
- Department of Pharmaceutics, Institute of Pharmacology and Toxicology of Academy of Military Medical Sciences, Beijing, China
| | - Jing Gao
- Department of Pharmaceutics, Institute of Pharmacology and Toxicology of Academy of Military Medical Sciences, Beijing, China
| | - Aiping Zheng
- Department of Pharmaceutics, Institute of Pharmacology and Toxicology of Academy of Military Medical Sciences, Beijing, China
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Bilgili E, Guner G. Mechanistic Modeling of Wet Stirred Media Milling for Production of Drug Nanosuspensions. AAPS PharmSciTech 2020; 22:2. [PMID: 33222036 DOI: 10.1208/s12249-020-01876-w] [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] [Received: 08/18/2020] [Accepted: 11/05/2020] [Indexed: 12/22/2022] Open
Abstract
Drug nanocrystals have been used for a wide range of drug delivery platforms in the pharmaceutical industry, especially for bioavailability enhancement of poorly water-soluble drugs. Wet stirred media milling (WSMM) is the most widely used process for producing dense, stable suspensions of drug nanoparticles, also referred to as nanosuspensions. Despite a plethora of review papers on the production and applications of drug nanosuspensions, modeling of WSMM has not been thoroughly covered in any review paper before. The aim of this review paper is to briefly expose the pharmaceutical scientists and engineers to various modeling approaches, mostly mechanistic, including computational fluid dynamics (CFD), discrete element method (DEM), population balance modeling (PBM), coupled methods, the stress intensity-number model (SI-SN model), and the microhydrodynamic (MHD) model with a main focus on the MHD model for studying the WSMM process. A total of 71 studies, 30 on drugs and 41 on other materials, were reviewed. Analysis of the pharmaceutics literature reveals that WSMM modeling is largely based on empirical, statistically based modeling approaches, and mechanistic modeling could help pharmaceutical engineers develop a fundamental process understanding. After a review of the salient features and various pros-cons of each modeling approach, recent advances in microhydrodynamic modeling and process insights gained therefrom were highlighted. The SI-SN and MHD models were analyzed and critiqued objectively. Finally, the review points out potential research directions such as more mechanistic and accurate CFD-DEM-PBM simulations and the coupling of the MHD-PBM models with the CFD.
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Rahman M, Arevalo F, Coelho A, Bilgili E. Hybrid nanocrystal–amorphous solid dispersions (HyNASDs) as alternative to ASDs for enhanced release of BCS Class II drugs. Eur J Pharm Biopharm 2019; 145:12-26. [DOI: 10.1016/j.ejpb.2019.10.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 10/09/2019] [Accepted: 10/11/2019] [Indexed: 11/29/2022]
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10
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El Baihary D, Osman R, Abdel-Bar HM, Sammour OA. Pharmacokinetic/pulmokinetic analysis of optimized lung targeted spray dried ketotifen-dextran core shell nanocomplexes–in-microparticles. Int J Biol Macromol 2019; 139:678-687. [DOI: 10.1016/j.ijbiomac.2019.08.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 07/30/2019] [Accepted: 08/01/2019] [Indexed: 11/27/2022]
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Kumari S, Garg N, Kumar A, Guru PKI, Ansari S, Anwar S, Singh KP, Kumari P, Mishra PK, Gupta BK, Nehar S, Sharma AK, Raziuddin M, Sohail M. Maternal and severe anaemia in delivering women is associated with risk of preterm and low birth weight: A cross sectional study from Jharkhand, India. One Health 2019; 8:100098. [PMID: 31485474 PMCID: PMC6715890 DOI: 10.1016/j.onehlt.2019.100098] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 07/23/2019] [Accepted: 07/23/2019] [Indexed: 12/15/2022] Open
Abstract
Background and objectives Haemoglobin content is the well accepted indicator for anaemia assessment. The high prevalence of anaemia, maternal health care issues and adverse delivery outcome in Jharkhand, we investigated whether delivering women with anaemia would present a modifiable risk of preterm (PTB) and low birth weight (LBW). Methods A facility-based cross-sectional study involving pregnant women, with screening for pregnancy endpoints and haemoglobin assay, were conducted. Anaemia was classified according to World Health Organization's definition of anaemia in pregnancy. Confounding variables were adjusted in a logistic model. The adjusted odds ratios (AORs) with 95% confidence intervals (CIs) were used for analyzing the association among maternal anaemia, PTB and LBW. Results We observed a high prevalence of anaemia (78.45%) in delivering women, whereas high prevalence of preterm birth (34.75%) and LBW (32.81%) in delivering women overall. In the adjusted analysis, overall anaemia in pregnancy was strongly associated with preterm birth (OR, 3.42; 95% CI, 1.98–5.88; P ≤ .0001) as compared to LBW (OR, 1.12; 95% CI, 0.65–1.61; P = .0003). The risk of PTB and LBW were dependent on the stratification of the anaemia group, as the strongest association was observed in severe (OR, 4.86) followed by mild (OR, 3.66) and moderate (OR, 3.18) anaemia in PTB; whereas risk of LBW was found in severe (OR, 2.5) followed by moderate (OR, 1.11) and mild (OR, 0.57) anaemia. The risk of PTB and LBW across six pregnancy haemoglobin groups were compared, haemoglobin of 10–10.9 g/dl (OR, 1.25) and ≤ 8 g/dl (OR, 1.03) have shown association with PTB and LBW, respectively. However, high haemoglobin concentration was not associated with either PTB or LBW. Conclusions Anaemia in delivering women was associated with an elevated risk of PTB and LBW and the risk increased with the severity of anaemia in pregnant women.
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Affiliation(s)
- Shweta Kumari
- Research Laboratory, University Department of Zoology, Vinoba Bhave University, Hazaribag, Jharkhand, India
| | - Neelima Garg
- Centre for Tribal Health and Biotechnology Foundation, New Delhi, India
| | - Amod Kumar
- Research Laboratory, University Department of Zoology, Vinoba Bhave University, Hazaribag, Jharkhand, India
| | - Pawas Kumar Indra Guru
- Research Laboratory, University Department of Zoology, Vinoba Bhave University, Hazaribag, Jharkhand, India
| | - Sharafat Ansari
- Research Laboratory, University Department of Zoology, Vinoba Bhave University, Hazaribag, Jharkhand, India
| | - Shadab Anwar
- SLS, Jawaharlal Nehru University, New-Delhi, India.,Centre for Tribal Health and Biotechnology Foundation, New Delhi, India
| | - Krishn Pratap Singh
- Research Laboratory, University Department of Zoology, Vinoba Bhave University, Hazaribag, Jharkhand, India.,Centre for Tribal Health and Biotechnology Foundation, New Delhi, India
| | - Priti Kumari
- Research Laboratory, University Department of Zoology, Vinoba Bhave University, Hazaribag, Jharkhand, India.,Centre for Tribal Health and Biotechnology Foundation, New Delhi, India
| | - Prashant Kumar Mishra
- University Department of Biotechnology, Vinoba Bhave University, Hazaribag, Jharkhand, India
| | - Birendra Kumar Gupta
- Research Laboratory, University Department of Zoology, Vinoba Bhave University, Hazaribag, Jharkhand, India
| | - Shamshun Nehar
- Department of Zoology, Ranchi University, Ranchi, Jharkhand, India
| | - Ajay Kumar Sharma
- Research Laboratory, University Department of Zoology, Vinoba Bhave University, Hazaribag, Jharkhand, India
| | - Mohammad Raziuddin
- Research Laboratory, University Department of Zoology, Vinoba Bhave University, Hazaribag, Jharkhand, India
| | - Mohammad Sohail
- Research Laboratory, University Department of Zoology, Vinoba Bhave University, Hazaribag, Jharkhand, India.,Centre for Tribal Health and Biotechnology Foundation, New Delhi, India
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Kumar M, Shanthi N, Mahato AK, Soni S, Rajnikanth PS. Preparation of luliconazole nanocrystals loaded hydrogel for improvement of dissolution and antifungal activity. Heliyon 2019; 5:e01688. [PMID: 31193099 PMCID: PMC6517330 DOI: 10.1016/j.heliyon.2019.e01688] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 04/01/2019] [Accepted: 05/07/2019] [Indexed: 02/06/2023] Open
Abstract
Superficial fungal infection in immunocompromised patients can lead to many disorders and complications. Currently, new topical treatment options are critically needed to treat these fungal infections. Luliconazole (LZL) is a topical antifungal medicine used for fungal infection treatment. The purpose of this paper was to develop a new topical luliconazole nanocrystal (LNC) incorporated hydrogel. This study suggested the potential benefits of LNC embedded in a gel as a drug delivery system for topical antifungal treatments. Preliminary experiments were therefore carried out to characterize the LNC in comparison with raw drug. Prepared gel was homogeneous for human use with about 88 percent trapping, non-irritant and safe. Nano-systems showed an overall 5 fold enhancement in solubility, 4 fold increase in dissolution velocity, higher skin retention and better antifungal activity. Drugs retained from LNC hydrogel (N-GEL) in different skin layers within 8 h were the highest, i.e. 62.17% compared to coarse suspension (41.87%), nanosuspension (49.77%), D-GEL (55.76%). In addition, LNC and N-GEL had higher ZOI (41.20 ± 0.61mm and 44.25 ± 0.57mm respectively) than LZL and D-GEL (35.98 ± 0.81mm and 36.83 ± 0.83mm respectively). Therefore, it was observed that LNC loaded hydrogel was more effective in killing the fungus. Consequently, hydrogel incorporated with LNC could be a new approach with improved activity and increased dermal delivery for drugs with poor aqueous solubility rather than coarse drug containing gel.
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Affiliation(s)
- Manish Kumar
- Department of Pharmaceutical Sciences, Sardar Bhagwan Singh Post Graduate Institute of Biomedical Science and Research, Balawala, Dehradun, Uttarakhand, India.,Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), Lucknow, Uttar Pradesh, India
| | - Nithya Shanthi
- Department of Pharmaceutical Sciences, Sardar Bhagwan Singh Post Graduate Institute of Biomedical Science and Research, Balawala, Dehradun, Uttarakhand, India
| | - Arun Kumar Mahato
- Department of Pharmaceutical Sciences, Sardar Bhagwan Singh Post Graduate Institute of Biomedical Science and Research, Balawala, Dehradun, Uttarakhand, India
| | - Shashank Soni
- Department of Pharmaceutical Sciences, Sardar Bhagwan Singh Post Graduate Institute of Biomedical Science and Research, Balawala, Dehradun, Uttarakhand, India
| | - P S Rajnikanth
- Department of Pharmaceutical Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), Lucknow, Uttar Pradesh, India
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Teymouri Rad R, Dadashzadeh S, Vatanara A, Alavi S, Ghasemian E, Mortazavi SA. Tadalafil nanocomposites as a dry powder formulation for inhalation, a new strategy for pulmonary arterial hypertension treatment. Eur J Pharm Sci 2019; 133:275-286. [DOI: 10.1016/j.ejps.2019.04.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 03/09/2019] [Accepted: 04/01/2019] [Indexed: 10/27/2022]
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14
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Braig V, Konnerth C, Peukert W, Lee G. Can spray freeze-drying improve the re-dispersion of crystalline nanoparticles of pure naproxen? Int J Pharm 2019; 564:293-298. [PMID: 31022500 DOI: 10.1016/j.ijpharm.2019.04.061] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 04/19/2019] [Accepted: 04/20/2019] [Indexed: 01/06/2023]
Abstract
Spray freeze drying (SFD) was used to prepare re-dispersible powders of crystalline, pure-drug nanodispersions of naproxen in lactose and stabilized with hydroxypropyl cellulose. The particle size of the rehydrated powders was determined using static light scattering/Mie analysis. The nanoparticles present in the SFD powders were aggregated but could be dispersed on re-dispersion with water and stirring either with or without additional ultrasonic treatment. The disaggregation of the SFD nanoparticles was superior to that reported in the literature for spray dried nanoparticles of the same composition. It appears that the moderately-rapid freezing of the large spray droplets in LN2 during SFD produces less aggregation than does evaporative drying of the much smaller droplets during spray drying. Re-dispersion was also found to depend strongly on the pH of the original nanodispersion. The solubility of this weak acid is greater at higher pH which resulted in formation of a dissolved fraction of drug in the nanodispersions during media milling. After SFD, the dissolved naproxen fraction formed an amorphous solid which re-dissolves on re-hydration whereas the crystalline nanoparticles disaggregate.
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Affiliation(s)
- Veronika Braig
- Division of Pharmaceutics, Friedrich-Alexander-University, Erlangen, Germany
| | - Christoph Konnerth
- Institute of Particle Technology, Friedrich-Alexander-University, Erlangen, Germany
| | - Wolfgang Peukert
- Institute of Particle Technology, Friedrich-Alexander-University, Erlangen, Germany
| | - Geoffrey Lee
- Division of Pharmaceutics, Friedrich-Alexander-University, Erlangen, Germany.
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15
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Meruva S, Thool P, Shah S, Karki S, Bowen W, Ghosh I, Kumar S. Formulation and performance of Irbesartan nanocrystalline suspension and granulated or bead-layered dried powders - Part I. Int J Pharm 2019; 568:118189. [PMID: 30851385 DOI: 10.1016/j.ijpharm.2019.03.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 03/01/2019] [Accepted: 03/03/2019] [Indexed: 01/19/2023]
Abstract
Nanocrystalline suspensions offer a promising approach to improve the dissolution rate of BCS Class II/IV drugs and hence oral bioavailability. Irbesartan (crystalline Form B), a poorly soluble drug substance was chosen as a model compound for the study. The objectives of the study were to formulate Irbesartan nanocrystalline suspension via media milling, study the effects of process and formulation variables on particle size reduction, and evaluate bead layering or spray granulation as drying processes. A Design of Experiment approach was utilized to understand the impact of formulation variables on particle size reduction via media milling. Drug concentration and type of stabilizer were found to be significant in particle size reduction. Optimized Irbesartan nanocrystalline suspension (i.e. at 10% w/w with 1% w/w poloxamer 407) showed superior in vitro dissolution profile compared to unmilled suspension. Optimized Irbesartan nanocrystalline suspension was converted into dried powders either by bead layering (with microcrystalline cellulose) or by spray granulation (either with mannitol or microcrystalline cellulose). DSC and PXRD studies revealed that Irbesartan remained crystalline post drying. Microcrystalline cellulose beads layered with Irbesartan nanocrystals showed about 65% drug dissolution within the first 10 min of dissolution study. Mannitol granules containing Irbesartan nanocrystals were fast dissolving (i.e. >90% drug dissolution within 10 min) compared to microcrystalline cellulose granules (i.e. approx. 46% drug dissolution within 10 min). Irbesartan nanocrystalline suspension had the fastest dissolution rates (i.e. >90% drug dissolution in two minutes) followed by mannitol-based granules containing dried Irbesartan nanocrystals (i.e. >90% drug dissolution in ten minutes).
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Affiliation(s)
- Saikishore Meruva
- College of Pharmacy, University of Iowa, 115 S. Grand Avenue, Iowa City, IA 52242, USA
| | - Prajwal Thool
- Drug Product Development, Celgene, 556 Morris Avenue, Summit, NJ 07901, USA
| | - Shawreen Shah
- Drug Product Development, Celgene, 556 Morris Avenue, Summit, NJ 07901, USA
| | - Shyam Karki
- Drug Product Development, Celgene, 556 Morris Avenue, Summit, NJ 07901, USA
| | - William Bowen
- Drug Product Development, Celgene, 556 Morris Avenue, Summit, NJ 07901, USA
| | - Indrajit Ghosh
- Drug Product Development, Celgene, 556 Morris Avenue, Summit, NJ 07901, USA
| | - Sumit Kumar
- Drug Product Development, Celgene, 556 Morris Avenue, Summit, NJ 07901, USA.
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Effects of pH of processing-medium on re-dispersion of spray dried, crystalline nanoparticles of pure naproxen. Int J Pharm 2019; 558:261-267. [DOI: 10.1016/j.ijpharm.2018.12.084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 12/21/2018] [Accepted: 12/28/2018] [Indexed: 11/17/2022]
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17
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Weers JG, Miller DP, Tarara TE. Spray-Dried PulmoSphere™ Formulations for Inhalation Comprising Crystalline Drug Particles. AAPS PharmSciTech 2019; 20:103. [PMID: 30734187 DOI: 10.1208/s12249-018-1280-0] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 12/06/2018] [Indexed: 12/30/2022] Open
Abstract
Over the past 20 years, solution-based spray dried powders have transformed inhaled product development, enabling aerosol delivery of a wider variety of molecules as dry powders. These include inhaled proteins for systemic action (e.g., Exubera®) and high-dose inhaled antibiotics (e.g., TOBI® Podhaler™). Although engineered particles provide several key advantages over traditional powder processing technologies (e.g., spheronized particles and lactose blends), the physicochemical stability of the amorphous drug present in these formulations brings along its own unique set of constraints. To this end, a number of approaches have been developed to maintain the crystallinity of drugs throughout the spray drying process. One approach is to spray dry suspensions of micronized drug(s) from a liquid feed. In this method, minimization of drug particle dissolution in the liquid feed is critical, as dissolved drug is converted into amorphous domains in the spray-dried drug product. The review explores multiple formulation and engineering strategies for decreasing drug dissolution independent of the physicochemical properties of the drug(s). Strategies to minimize particle dissolution include spray blending of particles of different compositions, formation of respirable agglomerates of micronized drug with small porous carrier particles, and use of common ions. The formulations extend the range of doses that can be delivered with a portable inhaler from about 100 ng to 100 mg. The spray-dried particles exhibit significant advantages in terms of lung targeting and dose consistency relative to conventional lactose blends, while still maintaining the crystallinity of drug(s) in the formulated drug product.
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Enhanced dissolution of naproxen from pure-drug, crystalline nanoparticles: A case study formulated into spray-dried granules and compressed tablets. Int J Pharm 2018; 554:54-60. [PMID: 30278257 DOI: 10.1016/j.ijpharm.2018.09.069] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 09/27/2018] [Accepted: 09/28/2018] [Indexed: 12/22/2022]
Abstract
This is a case study of the use of rapidly-dissolving naproxen crystalline nanoparticles to prepare compressed tablets. The dissolution rates of different formulations were determined: the crystalline pure-drug nanodispersion, a pure-drug microsuspension, a granule prepared by spray drying the nanodispersion with mannitol, and a tablet prepared by compressing the granule with a bulking agent and a disintegrant. The goal was to determine the influence of each of the process steps on the rapid dissolution of the nanodispersion. A procedure was developed to allow sampling during the first 120 s of dissolution. Dissolution of the nanodispersion was completed after 60 s under both sink and non-sink conditions. Spray drying with mannitol delayed dissolution slightly under both sink and non-sink conditions. Under sink conditions a microsuspension (volume median size 11 µm) showed similar rapid dissolution to the nanodispersion. We propose this to be a result of rapid shrinkage of the microparticles on dissolution under sink conditions. This nullifies any effects of specific surface on dissolution rate. Under non-sink conditions the microparticles retain their lower specific surface for a longer time during dissolution and dissolve therefore more slowly. When compressed into tablets, the dissolution rates of nanoparticles or microparticles were determined primarily by the tablet disintegration time; the influence of sink or non-sink conditions was only observable after disintegration.
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Peltonen L. Design Space and QbD Approach for Production of Drug Nanocrystals by Wet Media Milling Techniques. Pharmaceutics 2018; 10:E104. [PMID: 30044395 PMCID: PMC6161287 DOI: 10.3390/pharmaceutics10030104] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 07/04/2018] [Accepted: 07/19/2018] [Indexed: 12/24/2022] Open
Abstract
Drug nanocrystals are nanosized solid drug particles, the most important application of which is the improvement of solubility properties of poorly soluble drug materials. Drug nanocrystals can be produced by many different techniques, but the mostly used are different kinds of media milling techniques; in milling, particle size of bulk sized drug material is decreased, with the aid of milling beads, to nanometer scale. Utilization of Quality by Design, QbD, approach in nanomilling improves the process-understanding of the system, and recently, the number of studies using the QbD approach in nanomilling has increased. In the QbD approach, the quality is built into the products and processes throughout the whole production chain. Definition of Critical Quality Attributes, CQAs, determines the targeted final product properties. CQAs are confirmed by setting Critical Process Parameters, CPPs, which include both process parameters but also input variables, like stabilizer amount or the solid state form of the drug. Finally, Design Space determines the limits in which CPPs should be in order to reach CQAs. This review discusses the milling process and process variables, CPPs, their impact on product properties, CQAs and challenges of the QbD approach in nanomilling studies.
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Affiliation(s)
- Leena Peltonen
- Division of Pharmaceutical Chemistry and Technology, Drug Research Program, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, 00014 Helsinki, Finland.
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Bioavailability Enhancement of Poorly Water-Soluble Drugs via Nanocomposites: Formulation⁻Processing Aspects and Challenges. Pharmaceutics 2018; 10:pharmaceutics10030086. [PMID: 29986543 PMCID: PMC6160929 DOI: 10.3390/pharmaceutics10030086] [Citation(s) in RCA: 105] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 07/01/2018] [Accepted: 07/01/2018] [Indexed: 11/16/2022] Open
Abstract
Drug nanoparticles embedded in a dispersant matrix as a secondary phase, i.e., drug-laden nanocomposites, offer a versatile delivery platform for enhancing the dissolution rate and bioavailability of poorly water-soluble drugs. Drug nanoparticles are prepared by top-down, bottom-up, or combinative approaches in the form of nanosuspensions, which are subsequently dried to prepare drug-laden nanocomposites. In this comprehensive review paper, the term “nanocomposites” is used in a broad context to cover drug nanoparticle-laden intermediate products in the form of powders, cakes, and extrudates, which can be incorporated into final oral solid dosages via standard pharmaceutical unit operations, as well as drug nanoparticle-laden strip films. The objective of this paper is to review studies from 2012⁻2017 in the field of drug-laden nanocomposites. After a brief overview of the various approaches used for preparing drug nanoparticles, the review covers drying processes and dispersant formulations used for the production of drug-laden nanocomposites, as well as various characterization methods including quiescent and agitated redispersion tests. Traditional dispersants such as soluble polymers, surfactants, other water-soluble dispersants, and water-insoluble dispersants, as well as novel dispersants such as wet-milled superdisintegrants, are covered. They exhibit various functionalities such as drug nanoparticle stabilization, mitigation of aggregation, formation of nanocomposite matrix⁻film, wettability enhancement, and matrix erosion/disintegration. Major challenges such as nanoparticle aggregation and poor redispersibility that cause inferior dissolution performance of the drug-laden nanocomposites are highlighted. Literature data are analyzed in terms of usage frequency of various drying processes and dispersant classes. We provide some engineering considerations in comparing drying processes, which could account for some of the diverging trends in academia vs. industrial practice. Overall, this review provides rationale and guidance for drying process selection and robust nanocomposite formulation development, with insights into the roles of various classes of dispersants.
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Walsh D, Serrano DR, Worku ZA, Norris BA, Healy AM. Production of cocrystals in an excipient matrix by spray drying. Int J Pharm 2018; 536:467-477. [DOI: 10.1016/j.ijpharm.2017.12.020] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 12/07/2017] [Accepted: 12/09/2017] [Indexed: 10/18/2022]
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Davis M, Walker G. Recent strategies in spray drying for the enhanced bioavailability of poorly water-soluble drugs. J Control Release 2017; 269:110-127. [PMID: 29117503 DOI: 10.1016/j.jconrel.2017.11.005] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 11/02/2017] [Accepted: 11/03/2017] [Indexed: 01/07/2023]
Abstract
Poorly water-soluble drugs are a significant and ongoing issue for the pharmaceutical industry. An overview of recent developments for the preparation of spray-dried delivery systems is presented. Examples include amorphous solid dispersions, spray dried dispersions, microparticles, nanoparticles, surfactant systems and self-emulsifying drug delivery systems. Several aspects of formulation are considered, such as pre-screening, choosing excipient(s), the effect of polymer structure on performance, formulation optimisation, ternary dispersions, fixed-dose combinations, solvent selection and component miscibility. Process optimisation techniques including nozzle selection are discussed. Comparisons are drawn with other preparation techniques such as hot melt extrusion, freeze drying, milling, electro spinning and film casting. Novel analytical and dissolution techniques for the characterization of amorphous solid dispersions are included. Progress in understanding of amorphous supersaturation or recrystallisation from solution gathered from mechanistic studies is discussed. Aspects of powder flow and compression are considered in a section on downstream processing. Overall, spray drying has a bright future due to its versatility, efficiency and the driving force of poorly soluble drugs.
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Affiliation(s)
- Mark Davis
- Synthesis and Solid State Pharmaceutical Centre (SSPC), Bernal Institute, University of Limerick, Limerick, Ireland.
| | - Gavin Walker
- Bernal Institute, University of Limerick, Limerick, Ireland
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23
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Hagedorn M, Bögershausen A, Rischer M, Schubert R, Massing U. Dual centrifugation – A new technique for nanomilling of poorly soluble drugs and formulation screening by an DoE-approach. Int J Pharm 2017; 530:79-88. [DOI: 10.1016/j.ijpharm.2017.07.047] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 07/03/2017] [Accepted: 07/15/2017] [Indexed: 11/17/2022]
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Iurian S, Bogdan C, Tomuță I, Szabó-Révész P, Chvatal A, Leucuța SE, Moldovan M, Ambrus R. Development of oral lyophilisates containing meloxicam nanocrystals using QbD approach. Eur J Pharm Sci 2017; 104:356-365. [PMID: 28435075 DOI: 10.1016/j.ejps.2017.04.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 04/13/2017] [Accepted: 04/17/2017] [Indexed: 12/11/2022]
Abstract
The aim of this study was to develop oral lyophilisates with improved meloxicam (MEL) dissolution, optimizing each step of the preparation by design of experiments. First, meloxicam nanosuspensions were prepared by high-pressure homogenization (HPH), using PVP, Poloxamer or PEG as stabilizers and were subjected to freeze-drying using mannitol as cryoprotectant. The effects of the stabilizers and cryoprotectant were assessed and an optimal formulation was generated within the Design Space where the particle sizes and the PDIs are at their lowest values. The optimal formulation was used at the preparation of oral lyophilisates. Sodium alginate (SA) and croscarmellose sodium (CCS) were tested as matrix forming agents and three different freezing regimes were applied. The formulation was optimized, choosing the polymer that yielded both high mechanical strength and fast MEL dissolution. Poloxamer led to particle size reduction down to 10.27% of the initial size, meaning 477.6±7.5nm, with a slight increase during freeze-drying process. PEG showed lower nanonizing capacity during HPH, but freeze-drying produced further diminution of the particle size. Since Poloxamer provided advanced size reduction while preserving MEL crystallinity, it was used for the optimized formulation containing 1% Poloxamer and 5% mannitol added before freeze-drying. SA showed good structural properties when compared to CCS and allowed fast MEL dissolution at low ratios. The optimal formulation contained 1.157% of SA was subjected to thermal treatment during freeze-drying. It disintegrated in 3.33s and released 77.14% of the MEL after 2min. The quality by design (QbD) approach for the development of pharmaceutical products ensured high quality of the dosage form and good understanding of the preparation process.
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Affiliation(s)
- Sonia Iurian
- Department of Pharmaceutical Technology and Biopharmaceutics, Faculty of Pharmacy, University of Medicine and Pharmacy "Iuliu Hațieganu", V. Babeș nr. 41, Cluj-Napoca 400012, Romania
| | - Cătălina Bogdan
- Department of Dermopharmacy and Cosmetics, Faculty of Pharmacy, University of Medicine and Pharmacy "Iuliu Hațieganu", V. Babeș nr. 41, Cluj-Napoca 400012, Romania.
| | - Ioan Tomuță
- Department of Pharmaceutical Technology and Biopharmaceutics, Faculty of Pharmacy, University of Medicine and Pharmacy "Iuliu Hațieganu", V. Babeș nr. 41, Cluj-Napoca 400012, Romania.
| | - Piroska Szabó-Révész
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eotvos u. 6, Szeged H-6720, Hungary.
| | - Anita Chvatal
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eotvos u. 6, Szeged H-6720, Hungary.
| | - Sorin E Leucuța
- Department of Pharmaceutical Technology and Biopharmaceutics, Faculty of Pharmacy, University of Medicine and Pharmacy "Iuliu Hațieganu", V. Babeș nr. 41, Cluj-Napoca 400012, Romania.
| | - Mirela Moldovan
- Department of Dermopharmacy and Cosmetics, Faculty of Pharmacy, University of Medicine and Pharmacy "Iuliu Hațieganu", V. Babeș nr. 41, Cluj-Napoca 400012, Romania.
| | - Rita Ambrus
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eotvos u. 6, Szeged H-6720, Hungary.
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Nalawade PB, Gajjar AK. Microencapsulation of lutein extracted from marigold flowers ( Tagetes erecta L.) using full factorial design. J Drug Deliv Sci Technol 2016. [DOI: 10.1016/j.jddst.2016.03.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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