1
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Varga P, Németh A, Zeiringer S, Roblegg E, Budai-Szűcs M, Balla-Bartos C, Ambrus R. Formulation and investigation of differently charged β-cyclodextrin-based meloxicam potassium containing nasal powders. Eur J Pharm Sci 2024; 202:106879. [PMID: 39154714 DOI: 10.1016/j.ejps.2024.106879] [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: 01/11/2024] [Revised: 06/25/2024] [Accepted: 08/15/2024] [Indexed: 08/20/2024]
Abstract
Nasal systemic drug delivery may provide an easy way to substitute parenteral or oral dosing, however, the excipients have an important role in nasal formulations to increase the permeability of the mucosa and prolong the residence time of the drug. In this work, we aimed to produce meloxicam potassium monohydrate (MXP) containing nasal powders by a nano spray drier with the use of a neutral, an anionic and a cationic β-cyclodextrin as permeation enhancers, and (polyvinyl)alcohol (PVA) as a water soluble polymer. The following examinations were performed in order to study the effect of the applied excipients on the nasal applicability of the formulations: laser scattering, scanning electron microscope measurement, XRPD, DSC and FTIR measurements, adhesivity, in vitro drug release and permeability tests through an artificial membrane and RPMI 2650 cells. Based on our results, spherical particles were prepared with a size of 1.89-2.21 µm in which MXP was present in an amorphous state. Secondary interactions were formed between the excipients and the drug. The charged cyclodextrin-based formulations showed significantly higher adhesive force values regardless of the presence of PVA. The drug release was fast and complete. The passive diffusion of MXP was influenced not only by the charge of the cyclodextrin, but the presence of PVA, too. The permeation of the drug was enhanced in the presence of the anionic cyclodextrin testing it on RPMI 2650 cell model.
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Affiliation(s)
- Patrícia Varga
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eötvös Street 6, Szeged 6720, Hungary
| | - Anett Németh
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eötvös Street 6, Szeged 6720, Hungary
| | - Scarlett Zeiringer
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Technology and Biopharmacy, University of Graz, Universitaetsplatz 1, Graz 8010, Austria
| | - Eva Roblegg
- Institute of Pharmaceutical Sciences, Department of Pharmaceutical Technology and Biopharmacy, University of Graz, Universitaetsplatz 1, Graz 8010, Austria
| | - Mária Budai-Szűcs
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eötvös Street 6, Szeged 6720, Hungary
| | - Csilla Balla-Bartos
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eötvös Street 6, Szeged 6720, Hungary
| | - Rita Ambrus
- Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Eötvös Street 6, Szeged 6720, Hungary.
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2
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Xu W, Zhou X. Application of drug delivery microspheres in cancer therapy. Zhejiang Da Xue Xue Bao Yi Xue Ban 2024:1-9. [PMID: 39343743 DOI: 10.3724/zdxbyxb-2024-0024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/01/2024]
Abstract
Microsphere is a novel drug delivery system, which provides a new approach for cancer therapy. Anti-cancer agents loaded in microspheres can be released in a controlled and sustained pattern, thereby enhancing the therapeutic efficacy and reducing the side effects and toxicity. The preparation methods for drug delivery microspheres include solvent evaporation, phase separation, spray drying, and microfluidic technology, each of these have advantages and limitations. Based on the preparation materials, drug delivery microspheres can be categorized into natural polymer microspheres, synthetic polymer microspheres and bioceramic microspheres. Natural polymer micro-spheres have good biocompatibility and degradability; synthetic polymer microspheres exhibit superior mechanical properties; bioceramic microspheres have good biocompatibility and specific biological functions, which are widely used in bone tissue engineering. Drug delivery microspheres are used for cancer treatment in various modalities, including photothermal therapy, photodynamic therapy, radioembolization, and immunotherapy, as well as chemotherapy. This article reviews the recent progress of microsphere as nano drug delivery system in cancer treatment to provide reference for further clinical and translation research.
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Affiliation(s)
- Weipan Xu
- Department of Orthopedics, Shaoxing TCM Hospital Affiliated to Zhejiang Chinese Medical University, Shaoxing 312099, Zhejiang Province, China.
| | - Xingzhi Zhou
- Department of Orthopedics, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310009, China
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3
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Badie MA, Teaima MH, El-Nabarawi MA, Badawi NM. Formulation and optimization of surfactant-modified chitosan nanoparticles loaded with cefdinir for novel topical drug delivery: Elevating wound healing efficacy with enhanced antibacterial properties. Int J Pharm 2024:124763. [PMID: 39332464 DOI: 10.1016/j.ijpharm.2024.124763] [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: 05/21/2024] [Revised: 09/23/2024] [Accepted: 09/24/2024] [Indexed: 09/29/2024]
Abstract
Burn wounds remain a significant global health concern, frequently exacerbated by bacterial infections that hinder healing and raise morbidity rates. Cefdinir, a third-generation cephalosporin antibiotic, is used to treat various conditions, but it has limitations such as low water solubility, limited bioavailability, and a short biological half-life. This study aimed to fabricate and optimize novel surfactant-based Cefdinir-loaded chitosan nanoparticles (CFD-CSNPs) for enhancing topical CFD delivery and efficacy in burn healing. Box-Behnken Design (BBD) was employed to develop optimized CFD-CSNPs using Design Expert® software, where the independent factors were chitosan concentration, chitosan: sodium tripolyphosphate ratio, pH, and surfactant type. Particle size PS, zeta potential ZP, Polydispersity index PDI, and entrapment efficiency EE% were evaluated as dependent factors. CFD-CSNPs were produced using the ionic gelation method. The optimized formula was determined and then examined for further in vitro and in vivo assessments. The optimized CFD-CSNPs exhibited acceptable PS, PDI, and ZP values. The EE% of CFD from CSNPs reached 57.89 % ± 1.66. TEM analysis revealed spherical morphology. In vitro release studies demonstrated a biphasic release profile up to (75.5 % ± 3.8) over 48 hrs. The optimized CFD-CSNPs showed improved antimicrobial efficacy against the tested microorganisms, exhibiting superior performance for both biofilm prevention and eradication. Enhanced wound healing activity was achieved by the optimized CFD-CSNPs in both in vitro and in vivo studies as confirmed by scratch wound assay and skin burn mice model. The current study advocates the efficacy of the innovative topical application of CFD-CSNPs for wound healing purposes and treatment of wound infections.
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Affiliation(s)
- Merna A Badie
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, The British University in Egypt, El-Sherouk City, Cairo, Egypt
| | - Mahmoud H Teaima
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Mohamed A El-Nabarawi
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Noha M Badawi
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, The British University in Egypt, El-Sherouk City, Cairo, Egypt.
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4
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Nyamba I, Sombie CB, Yabre M, Zime-Diawara H, Yameogo J, Ouedraogo S, Lechanteur A, Semde R, Evrard B. Pharmaceutical approaches for enhancing solubility and oral bioavailability of poorly soluble drugs. Eur J Pharm Biopharm 2024:114513. [PMID: 39313163 DOI: 10.1016/j.ejpb.2024.114513] [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: 06/23/2024] [Revised: 09/15/2024] [Accepted: 09/20/2024] [Indexed: 09/25/2024]
Abstract
High solubility in water and physiological fluids is an indispensable requirement for the pharmacological efficacy of an active pharmaceutical ingredient. Indeed, it is well established that pharmaceutical substances exhibiting limited solubility in water are inclined towards diminished and inconsistent absorption following oral administration, consequently resulting in variability in therapeutic outcomes. The current advancements in combinatorial chemistry and pharmaceutical design have facilitated the creation of drug candidates characterized by increased lipophilicity, elevated molecular size, and reduced aqueous solubility. Undoubtedly, the issue of poorly water-soluble medications has been progressively escalating over recent years. Indeed, 40% of the top 200 oral medications marketed in the United States, 33% of drugs listed in the US pharmacopoeia, 75% of compounds under development and 90% of new chemical entities are insufficiently water-soluble compounds. In order to address this obstacle, formulation scientists employ a variety of approaches, encompassing both physical and chemical methods such as prodrug synthesis, salt formation, solid dispersions formation, hydrotropic substances utilization, solubilizing agents incorporation, cosolvent addition, polymorphism exploration, cocrystal creation, cyclodextrins complexation, lipid formulations, particle size reduction and nanoformulation techniques. Despite the utilization of these diverse approaches, the primary reason for the failure in new drug development persists as the poor aqueous solubility of pharmaceutical compounds. This paper, therefore, delves into the foundational principles that underpin the implementation of various formulation strategies, along with a discussion on the respective advantages and drawbacks associated with each approach. Additionally, a discourse is provided regarding methodological frameworks for making informed decisions on selecting an appropriate formulation strategy to effectively tackle the key challenges posed during the development of a poorly water-soluble drug candidate.
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Affiliation(s)
- Isaïe Nyamba
- Laboratory of Pharmaceutical Technology and Biopharmacy, CIRM, Université de Liège, 4000 Liège, Belgium; Laboratory of Drug Development, Center of Training, Research and Expertise in Pharmaceutical Sciences (CFOREM), Doctoral School of Sciences and Health, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina Faso; Institut Supérieur des Sciences de la Santé (INSSA), Université Nazi Boni, 01 BP 1091 Bobo-Dioulasso 01, Burkina Faso.
| | - Charles B Sombie
- Laboratory of Drug Development, Center of Training, Research and Expertise in Pharmaceutical Sciences (CFOREM), Doctoral School of Sciences and Health, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina Faso
| | - Moussa Yabre
- Institut Supérieur des Sciences de la Santé (INSSA), Université Nazi Boni, 01 BP 1091 Bobo-Dioulasso 01, Burkina Faso
| | - Hermine Zime-Diawara
- Laboratory of Drug Development, Center of Training, Research and Expertise in Pharmaceutical Sciences (CFOREM), Doctoral School of Sciences and Health, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina Faso
| | - Josias Yameogo
- Laboratory of Drug Development, Center of Training, Research and Expertise in Pharmaceutical Sciences (CFOREM), Doctoral School of Sciences and Health, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina Faso
| | - Salfo Ouedraogo
- Laboratory of Drug Development, Center of Training, Research and Expertise in Pharmaceutical Sciences (CFOREM), Doctoral School of Sciences and Health, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina Faso
| | - Anna Lechanteur
- Laboratory of Pharmaceutical Technology and Biopharmacy, CIRM, Université de Liège, 4000 Liège, Belgium
| | - Rasmané Semde
- Laboratory of Drug Development, Center of Training, Research and Expertise in Pharmaceutical Sciences (CFOREM), Doctoral School of Sciences and Health, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina Faso
| | - Brigitte Evrard
- Laboratory of Pharmaceutical Technology and Biopharmacy, CIRM, Université de Liège, 4000 Liège, Belgium
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5
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Li Y, Wei Q, Su J, Zhang H, Fan Z, Ding Z, Wen M, Liu M, Zhao Y. Encapsulation of astaxanthin in OSA-starch based amorphous solid dispersions with HPMCAS-HF/Soluplus® as effective recrystallization inhibitor. Int J Biol Macromol 2024:135421. [PMID: 39349321 DOI: 10.1016/j.ijbiomac.2024.135421] [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: 06/24/2024] [Revised: 08/05/2024] [Accepted: 09/05/2024] [Indexed: 10/02/2024]
Abstract
In this study, the interaction among multifunctional excipients, including polysaccharides, cellulose derivatives, and surfactants, was particularly investigated, together with its impact on the physicochemical properties of astaxanthin amorphous solid dispersions (ASTX ASDs). It was indicated that Span 20 could rapidly form hemimicelles or aggregates in the presence of hypromellose acetate succinate HF (HPMCAS-HF, HF) or Soluplus®, while octenyl succinic anhydride modified starch (OSA-starch) efficiently assisted in the coalescence inhibition of drug-excipients aggregates, which was jointly beneficial to the recrystallization inhibition of amorphous ASTX. ASTX ASDs were further prepared with OSA-starch, HPMCAS-HF/Soluplus®, and Span 20 as the wall materials. DSC, SEM, and XRD confirmed that crystalline ASTX had transformed to amorphous state in the ASDs, while FT-IR spectra provided evidence suggesting the existence of hydrogen bonds and hydrophobic interaction between ASTX and the excipients. The dissolution of ASTX ASDs in different media revealed significant promotion, while the pharmacokinetic results further demonstrated the oral bioavailability of ASTX ASDs enhanced remarkably, exhibiting 2.75-fold (SD1) and 1.87-fold (SD2) increase, respectively, compared to ASTX bulk powder. In summary, the cellulose derivatives-surfactant interaction had great impact on the physicochemical properties of ASTX ASDs, and their combinations exhibited great potential for delivering the hydrophobic bioactive compounds efficiently.
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Affiliation(s)
- Yinglan Li
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng, Shandong 252059, People's Republic of China
| | - Qipeng Wei
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng, Shandong 252059, People's Republic of China
| | - Jianshuo Su
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng, Shandong 252059, People's Republic of China
| | - Huaizhen Zhang
- School of Geography and Environment, Liaocheng University, Liaocheng, Shandong 252059, People's Republic of China
| | - Zhiping Fan
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng, Shandong 252059, People's Republic of China
| | - Zhuang Ding
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng, Shandong 252059, People's Republic of China
| | - Min Wen
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng, Shandong 252059, People's Republic of China
| | - Min Liu
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng, Shandong 252059, People's Republic of China
| | - Yanna Zhao
- Institute of Biopharmaceutical Research, Liaocheng University, Liaocheng, Shandong 252059, People's Republic of China.
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6
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Ejskjær L, Holm R, Kuentz M, Box KJ, Griffin BT, O'Dwyer PJ. Predictions of biorelevant solubility change during dispersion and digestion of lipid-based formulations. Eur J Pharm Sci 2024; 200:106833. [PMID: 38878908 DOI: 10.1016/j.ejps.2024.106833] [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: 04/05/2024] [Revised: 05/23/2024] [Accepted: 06/11/2024] [Indexed: 06/24/2024]
Abstract
Computational approaches are increasingly explored in development of drug products, including the development of lipid-based formulations (LBFs), to assess their feasibility for achieving adequate oral absorption at an early stage. This study investigated the use of computational pharmaceutics approaches to predict solubility changes of poorly soluble drugs during dispersion and digestion in biorelevant media. Concentrations of 30 poorly water-soluble drugs were determined pre- and post-digestion with in-line UV probes using the MicroDISS Profiler™. Generally, cationic drugs displayed higher drug concentrations post-digestion, whereas for non-ionized drugs there was no discernible trend between drug concentration in dispersed and digested phase. In the case of anionic drugs there tended to be a decrease or no change in the drug concentration post-digestion. Partial least squares modelling was used to identify the molecular descriptors and drug properties which predict changes in solubility ratio in long-chain LBF pre-digestion (R2 of calibration = 0.80, Q2 of validation = 0.64) and post-digestion (R2 of calibration = 0.76, Q2 of validation = 0.72). Furthermore, multiple linear regression equations were developed to facilitate prediction of the solubility ratio pre- and post-digestion. Applying three molecular descriptors (melting point, LogD, and number of aromatic rings) these equations showed good predictivity (pre-digestion R2 = 0.70, and post-digestion R2 = 0.68). The model developed will support a computationally guided LBF strategy for emerging poorly water-soluble drugs by predicting biorelevant solubility changes during dispersion and digestion. This facilitates a more data-informed developability decision making and subsequently facilitates a more efficient use of formulation screening resources.
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Affiliation(s)
- Lotte Ejskjær
- University College Cork, College Road, Cork, Ireland
| | - René Holm
- University of Southern Denmark, Campusvej 55, Odense, Denmark
| | - Martin Kuentz
- University of Applied Sciences and Arts Northwestern Switzerland, Hofackerstr. 30, Muttenz, 4132, Switzerland
| | - Karl J Box
- Pion Inc (UK), Forest Row, East Sussex, UK
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7
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Mareczek L, Mueller LK, Halstenberg L, Geiger TM, Walz M, Zheng M, Hausch F. Use of Poly(vinyl alcohol) in Spray-Dried Dispersions: Enhancing Solubility and Stability of Proteolysis Targeting Chimeras. Pharmaceutics 2024; 16:924. [PMID: 39065621 PMCID: PMC11279962 DOI: 10.3390/pharmaceutics16070924] [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: 06/07/2024] [Revised: 07/05/2024] [Accepted: 07/08/2024] [Indexed: 07/28/2024] Open
Abstract
PROTACs, proteolysis targeting chimeras, are bifunctional molecules inducing protein degradation through a unique proximity-based mode of action. While offering several advantages unachievable by classical drugs, PROTACs have unfavorable physicochemical properties that pose challenges in application and formulation. In this study, we show the solubility enhancement of two PROTACs, ARV-110 and SelDeg51, using Poly(vinyl alcohol). Hereby, we apply a three-fluid nozzle spray drying set-up to generate an amorphous solid dispersion with a 30% w/w drug loading with the respective PROTACs and the hydrophilic polymer. Dissolution enhancement was achieved and demonstrated for t = 0 and t = 4 weeks at 5 °C using a phosphate buffer with a pH of 6.8. A pH shift study on ARV-110-PVA is shown, covering transfer from simulated gastric fluid (SGF) at pH 2.0 to fasted-state simulated intestinal fluid (FaSSIF) at pH 6.5. Additionally, activity studies and binding assays of the pure SelDeg51 versus the spray-dried SelDeg51-PVA indicate no difference between both samples. Our results show how modern enabling formulation technologies can partially alleviate challenging physicochemical properties, such as the poor solubility of increasingly large 'small' molecules.
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Affiliation(s)
| | | | | | - Thomas M. Geiger
- Department of Chemistry, Technical University of Darmstadt, 64287 Darmstadt, Germany
| | - Michael Walz
- Department of Chemistry, Technical University of Darmstadt, 64287 Darmstadt, Germany
| | - Min Zheng
- Department of Chemistry, Technical University of Darmstadt, 64287 Darmstadt, Germany
| | - Felix Hausch
- Department of Chemistry, Technical University of Darmstadt, 64287 Darmstadt, Germany
- Centre for Synthetic Biology, Technical University of Darmstadt, 64287 Darmstadt, Germany
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8
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Zhang HJ, Chiang CW, Maschmeyer-Tombs T, Conklin B, Napolitano JG, Lubach JW, Nagapudi K, Mao C, Chen Y. Generality of Enhancing the Dissolution Rates of Free Acid Amorphous Solid Dispersions by the Incorporation of Sodium Hydroxide. Mol Pharm 2024; 21:3395-3406. [PMID: 38836777 DOI: 10.1021/acs.molpharmaceut.4c00118] [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] [Indexed: 06/06/2024]
Abstract
The incorporation of a counterion into an amorphous solid dispersion (ASD) has been proven to be an attractive strategy to improve the drug dissolution rate. In this work, the generality of enhancing the dissolution rates of free acid ASDs by incorporating sodium hydroxide (NaOH) was studied by surface-area-normalized dissolution. A set of diverse drug molecules, two common polymer carriers (copovidone or PVPVA and hydroxypropyl methylcellulose acetate succinate or HPMCAS), and two sample preparation methods (rotary evaporation and spray drying) were investigated. When PVPVA was used as the polymer carrier for the drugs in this study, enhancements of dissolution rates from 7 to 78 times were observed by the incorporation of NaOH into the ASDs at a 1:1 molar ratio with respect to the drug. The drugs having lower amorphous solubilities showed greater enhancement ratios, providing a promising path to improve the drug release performance from their ASDs. Samples generated by rotary evaporation and spray drying demonstrated comparable dissolution rates and enhancements when NaOH was added, establishing a theoretical foundation to bridge the ASD dissolution performance for samples prepared by different solvent-removal processes. In the comparison of polymer carriers, when HPMCAS was applied in the selected system (indomethacin ASD), a dissolution rate enhancement of 2.7 times by the incorporated NaOH was observed, significantly lower than the enhancement of 53 times from the PVPVA-based ASD. This was attributed to the combination of a lower dissolution rate of HPMCAS and the competition for NaOH between IMC and HPMCAS. By studying the generality of enhancing ASD dissolution rates by the incorporation of counterions, this study provides valuable insights into further improving drug release from ASD formulations of poorly water-soluble drugs.
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Affiliation(s)
- Helen J Zhang
- Small Molecule Pharmaceutical Sciences, Genentech Inc., 1 DNA Way, South San Francisco, California 94080, United States
- Department of Molecular and Cell Biology, University of California, Berkeley, 142 Weill Hall #3200, Berkeley, California 94720, United States
| | - Cheng W Chiang
- Small Molecule Pharmaceutical Sciences, Genentech Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Tristan Maschmeyer-Tombs
- Small Molecule Pharmaceutical Sciences, Genentech Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Breanna Conklin
- Small Molecule Pharmaceutical Sciences, Genentech Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Jose G Napolitano
- Small Molecule Pharmaceutical Sciences, Genentech Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Joseph W Lubach
- Small Molecule Pharmaceutical Sciences, Genentech Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Karthik Nagapudi
- Small Molecule Pharmaceutical Sciences, Genentech Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Chen Mao
- Small Molecule Pharmaceutical Sciences, Genentech Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Yinshan Chen
- Small Molecule Pharmaceutical Sciences, Genentech Inc., 1 DNA Way, South San Francisco, California 94080, United States
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9
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Chen T, Li Q, Ai G, Huang Z, Liu J, Zeng L, Su Z, Dou Y. Enhancing hepatoprotective action: oxyberberine amorphous solid dispersion system targeting TLR4. Sci Rep 2024; 14:14924. [PMID: 38942824 PMCID: PMC11213902 DOI: 10.1038/s41598-024-65190-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 06/18/2024] [Indexed: 06/30/2024] Open
Abstract
Oxyberberine (OBB) is a significant natural compound, with excellent hepatoprotective properties. However, the poor water solubility of OBB hinders its release and absorption thus resulting in low bioavailability. To overcome these drawbacks of OBB, amorphous spray-dried powders (ASDs) of OBB were formulated. The dissolution, characterizations, and pharmacokinetics of OBB-ASDs formulation were investigated, and its hepatoprotective action was disquisitive in the D-GalN/LPS-induced acute liver injury (ALI) mouse model. The characterizations of OBB-ASDs indicated that the crystalline form of OBB active pharmaceutical ingredients (API) was changed into an amorphous form in OBB-ASDs. More importantly, OBB-ASDs showed a higher bioavailability than OBB API. In addition, OBB-ASDs treatment restored abnormal histopathological changes, improved liver functions, and relieved hepatic inflammatory mediators and oxidative stress in ALI mice. The spray drying techniques produced an amorphous form of OBB, which could significantly enhance the bioavailability and exhibit excellent hepatoprotective effects, indicating that the OBB-ASDs can exhibit further potential in hepatoprotective drug delivery systems. Our results provide guidance for improving the bioavailability and pharmacological activities of other compounds, especially insoluble natural compounds. Meanwhile, the successful development of OBB-ASDs could shed new light on the research process of poorly soluble medicine.
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Affiliation(s)
- Tingting Chen
- Meizhou Hospital of Guangzhou University of Chinese Medicine (Meizhou Hospital of Traditional Chinese Medicine), 3 Huanan Avenue, Meijiang District, Meizhou, Guangdong, China
- School of Medicine, Southern University of Science and Technology, Shenzhen, China
| | - Qingguo Li
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Gaoxiang Ai
- Institute of Animal Husbandry and Veterinary Science, Jiangxi Academy of Agricultural sciences, Nanchang, China
| | - Ziwei Huang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jun Liu
- Guangdong Second Traditional Chinese Medicine Hospital (Guangdong Province Enginering Technology Research Institute of Traditional Chinese Medicine), Guangzhou, China
- Bone and Joint Research Team of Degeneration and Injury, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Lingfeng Zeng
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine/Post-Doctoral Research Station, Guangzhou, China
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou, China
- Bone and Joint Research Team of Degeneration and Injury, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China
| | - Ziren Su
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yaoxing Dou
- Meizhou Hospital of Guangzhou University of Chinese Medicine (Meizhou Hospital of Traditional Chinese Medicine), 3 Huanan Avenue, Meijiang District, Meizhou, Guangdong, China.
- The Second Clinical Medical College of Guangzhou University of Chinese Medicine/Post-Doctoral Research Station, Guangzhou, China.
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine (Guangdong Provincial Hospital of Chinese Medicine), Guangzhou, China.
- Bone and Joint Research Team of Degeneration and Injury, Guangdong Provincial Academy of Chinese Medical Sciences, Guangzhou, China.
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10
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Muñoz López C, Peeters K, Van Impe J. Data-Driven Modeling of the Spray Drying Process. Process Monitoring and Prediction of the Particle Size in Pharmaceutical Production. ACS OMEGA 2024; 9:25678-25693. [PMID: 38911742 PMCID: PMC11191099 DOI: 10.1021/acsomega.3c08032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 02/07/2024] [Accepted: 03/05/2024] [Indexed: 06/25/2024]
Abstract
Spray drying is used in the pharmaceutical industry for particle engineering of amorphous solid dispersions (ASDs). The particle size of the spray-dried (SD) powders is one of their key attributes due to its impact on the downstream processes and the drug product's functional properties. Offline and inline laser diffraction methods can be used to estimate the product's particle size; however, the final release of these ASDs is based on offline instruments. This paper presents a novel data-driven modeling approach for predicting the particle size of SD products. The model-based characterization of the process and the product's particle size, as a critical quality attribute, follows the quality by design principles. The resulting model can be used for online process monitoring, reducing the risks of out-of-specifications products and supporting their real-time release. A Tucker3 model is trained to capture and factorize the deterministic variability of the process. Subsequently, a partial least-squares regression model is calibrated to model the impact that variability in the input material properties, the process parameters, and the spray nozzle have on the products' particle size. This strategy has been calibrated and validated using large scale production data for two intermediate drug products under high sparsity of particle size data. Despite the challenges, high accuracy was obtained in predicting the median particle size (dv50) for release. The 99% confidence interval results in an error of maximum 2.5 μm, which is less than 10% of the allowed range of variation.
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Affiliation(s)
- Carlos
André Muñoz López
- BioTeC+
Chemical & Biochemical Process Technology & Control, Campus
Gent, KU Leuven, Gebroeders De Smetstraat 1, 9000 Ghent, Belgium
| | - Kristin Peeters
- Technical
Operations, Geel Chemical Production Site, Janssen Pharmaceutica, J&J, Janssen-Pharmaceuticalaan 3, 2440 Geel, Belgium
| | - Jan Van Impe
- BioTeC+
Chemical & Biochemical Process Technology & Control, Campus
Gent, KU Leuven, Gebroeders De Smetstraat 1, 9000 Ghent, Belgium
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11
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Felton LA, Binzet G, Wiley C, McChesney D, McConville J, Ҫelik M, Muttil P. Spray drying Eudragit® E-PO with acetaminophen using 2- and 3-fluid nozzles for taste masking. Int J Pharm 2024; 658:124191. [PMID: 38701909 PMCID: PMC11139551 DOI: 10.1016/j.ijpharm.2024.124191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/15/2024] [Accepted: 04/30/2024] [Indexed: 05/05/2024]
Abstract
Conventional spray drying using a 2-fluid nozzle forms matrix microparticles, where drug is distributed throughout the particle and may not effectively mask taste. In contrast, spray drying using a 3-fluid nozzle has been reported to encapsulate material. The objective of this study was to spray dry Eudragit® E-PO (EE) with acetaminophen (APAP), a water-soluble model drug with a bitter taste, using 2- and 3-fluid nozzles for taste masking. Spray drying EE with APAP, however, resulted in yields of ≤ 13 %, irrespective of nozzle configuration. Yields improved when Eudragit® L 100-55 (EL) or Methocel® E6 (HPMC) was used in the inner fluid stream of the 3-fluid nozzle or in place of EE for the 2-fluid nozzle. Drug release from microparticles prepared with the 2-fluid nozzle was relatively rapid. Using EE in the outer fluid stream of the 3-fluid nozzle resulted in comparatively slower drug release, although drug release was observed, indicating that encapsulation was incomplete. Results from these studies also show that miscible polymers used in the two fluid streams mix during the spray drying process. In addition, findings from this study indicate that the polymer used in the inner fluid stream can impact drug release.
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Affiliation(s)
- Linda A Felton
- University of New Mexico College of Pharmacy, MSC09 5360, 1 University of New Mexico, Albuquerque, NM 87131, USA.
| | - Gülşilan Binzet
- University of New Mexico College of Pharmacy, MSC09 5360, 1 University of New Mexico, Albuquerque, NM 87131, USA; Altınbaş University, Faculty of Pharmacy, Department of Pharmaceutical Technology, Bakırköy 34147 İstanbul, Turkey.
| | - Cody Wiley
- University of New Mexico College of Pharmacy, MSC09 5360, 1 University of New Mexico, Albuquerque, NM 87131, USA.
| | - David McChesney
- University of New Mexico College of Pharmacy, MSC09 5360, 1 University of New Mexico, Albuquerque, NM 87131, USA.
| | - Jason McConville
- University of New Mexico College of Pharmacy, MSC09 5360, 1 University of New Mexico, Albuquerque, NM 87131, USA.
| | - Metin Ҫelik
- University of New Mexico College of Pharmacy, MSC09 5360, 1 University of New Mexico, Albuquerque, NM 87131, USA; Pharmaceutical Technologies International, Inc., 22 Durham Rd, Skillman, NJ 08558, USA.
| | - Pavan Muttil
- University of New Mexico College of Pharmacy, MSC09 5360, 1 University of New Mexico, Albuquerque, NM 87131, USA.
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12
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Moseson DE, Tran TB, Karunakaran B, Ambardekar R, Hiew TN. Trends in amorphous solid dispersion drug products approved by the U.S. Food and Drug Administration between 2012 and 2023. Int J Pharm X 2024; 7:100259. [PMID: 38974024 PMCID: PMC11225173 DOI: 10.1016/j.ijpx.2024.100259] [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: 05/31/2024] [Accepted: 06/01/2024] [Indexed: 07/09/2024] Open
Abstract
Forty-eight (48) drug products (DPs) containing amorphous solid dispersions (ASDs) have been approved by the U.S. Food and Drug Administration in the 12-year period between 2012 and 2023. These DPs comprise 36 unique amorphous drugs. Ten (10) therapeutic categories are represented, with most DPs containing antiviral and antineoplastic agents. The most common ASD polymers are copovidone (49%) and hypromellose acetate succinate (30%), while spray drying (54%) and hot melt extrusion (35%) are the most utilized manufacturing processes to prepare the ASD drug product intermediate (DPI). Tablet dosage forms are the most common, with several capsule products available. Line extensions of several DPs based on flexible oral solids and powders for oral suspension have been approved which provide patient-centric dosing to pediatric and other patient populations. The trends in the use of common excipients and film coating types are discussed. Eighteen (18) DPs are fixed-dose combinations, and some contain a mixture of amorphous and crystalline drugs. The DPs have dose/unit of amorphous drug ranging from <5 mg up to 300 mg, with the majority being ≤100 mg/unit. This review details several aspects of DPI and DP formulation and manufacturing of ASDs, as well as trends related to therapeutic category, dose, and patient-centricity.
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Affiliation(s)
- Dana E. Moseson
- Worldwide Research and Development, Pfizer, Inc., Groton, CT 06340, USA
| | - Trong Bien Tran
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa 52242, USA
| | - Bharathi Karunakaran
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa 52242, USA
| | - Rohan Ambardekar
- Worldwide Research and Development, Pfizer, Inc., Sandwich CT13 9NJ, UK
| | - Tze Ning Hiew
- Department of Pharmaceutical Sciences and Experimental Therapeutics, College of Pharmacy, University of Iowa, Iowa 52242, USA
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13
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Lee J, Han CH, Oh IH, Allu S, Kim HJ, Kim J, Kim WS, Park BJ. Fabrication and evaluation of stable amorphous polymer-drug composite particles via a nozzle-free ultrasonic nebulizer. Int J Pharm 2024; 657:124177. [PMID: 38697582 DOI: 10.1016/j.ijpharm.2024.124177] [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: 10/02/2023] [Revised: 04/09/2024] [Accepted: 04/28/2024] [Indexed: 05/05/2024]
Abstract
We present a promising method for producing amorphous drug particles using a nozzle-free ultrasonic nebulizer with polymers, specifically polyvinylpyrrolidone (PVP), poly(acrylic acid) (PAA), and Eudragit® S 100 (EUD). Model crystalline phase drugs-Empagliflozin, Furosemide, and Ilaprazole-are selected. This technique efficiently produces spherical polymer-drug composite particles and demonstrates enhanced stability against humidity and thermal conditions, compared to the drug-only amorphous particles. The composite particles exhibit improved water dissolution compared to the original crystalline drugs, indicating potential bioavailability enhancements. While there are challenges, including the need for continuous water supply for ultrasonic component cooling, dependency on the solubility of polymers and drugs in volatile organic solvents, and mildly elevated temperatures for solvent evaporation, our method offers significant advantages over traditional approaches. It provides a straightforward, flexible process adaptable to various drug-polymer combinations and consistently yields spherical amorphous solid dispersion (ASD) particles with a narrow size distribution. These attributes make our method a valuable advancement in pharmaceutical drug formulation and delivery.
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Affiliation(s)
- Jieun Lee
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin 17104, South Korea
| | - Chang Hun Han
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin 17104, South Korea
| | - In Hwan Oh
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin 17104, South Korea
| | - Suryanarayana Allu
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin 17104, South Korea.
| | - Hee Jin Kim
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin 17104, South Korea
| | - Jinsoo Kim
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin 17104, South Korea
| | - Woo-Sik Kim
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin 17104, South Korea.
| | - Bum Jun Park
- Department of Chemical Engineering (BK21 FOUR Integrated Engineering Program), Kyung Hee University, Yongin 17104, South Korea.
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14
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Wu D, Liu J, Paragas EM, Yadav J, Aliwarga T, Heimbach T, Escotet-Espinoza MS. Assessing and mitigating pH-mediated DDI risks in drug development - formulation approaches and clinical considerations. Drug Metab Rev 2024:1-20. [PMID: 38700278 DOI: 10.1080/03602532.2024.2345632] [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: 11/28/2023] [Accepted: 04/10/2024] [Indexed: 05/05/2024]
Abstract
pH-mediated drug-drug interactions (DDI) is a prevalent DDI in drug development, especially for weak base compounds with highly pH-dependent solubility. FDA has released a guidance on the evaluation of pH-mediated DDI assessments using in vitro testing and clinical studies. Currently, there is no common practice of ways of testing across the academia and industry. The development of biopredictive method and physiologically-based biopharmaceutics modeling (PBBM) approaches to assess acid-reducing agent (ARA)-DDI have been proven with accurate prediction and could decrease drug development burden, inform clinical design and potentially waive clinical studies. Formulation strategies and careful clinical design could help mitigate the pH-mediated DDI to avoid more clinical studies and label restrictions, ultimately benefiting the patient. In this review paper, a detailed introduction on biorelevant dissolution testing, preclinical and clinical study requirement and PBPK modeling approaches to assess ARA-DDI are described. An improved decision tree for pH-mediated DDI is proposed. Potential mitigations including clinical or formulation strategies are discussed.
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Affiliation(s)
- Di Wu
- Pharmaceutical Sciences & Clinical Supply, Merck & Co., Inc, Rahway, NJ, USA
| | - Jiaying Liu
- Pharmaceutical Sciences & Clinical Supply, Merck & Co., Inc, Rahway, NJ, USA
| | - Erickson M Paragas
- Pharmacokinetics and Drug Metabolism Department, Amgen Research, South San Francisco, CA, USA
| | - Jaydeep Yadav
- Pharmacokinetics, Pharmacodynamics, and Drug Metabolism, Merck & Co., Inc, Boston, MA, USA
| | - Theresa Aliwarga
- Pharmacokinetics and Drug Metabolism Department, Amgen Research, South San Francisco, CA, USA
| | - Tycho Heimbach
- Pharmaceutical Sciences & Clinical Supply, Merck & Co., Inc, Rahway, NJ, USA
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15
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Patel K, Kevlani V, Shah S. A novel Posaconazole oral formulation using spray dried solid dispersion technology: in-vitro and in-vivo study. Drug Deliv Transl Res 2024; 14:1253-1276. [PMID: 37952081 DOI: 10.1007/s13346-023-01461-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/21/2023] [Indexed: 11/14/2023]
Abstract
SD (solid dispersion) technology is one of the well-recognized solubility enhancement methods; but the use of versatile carriers in ASD (amorphous SD) to achieve the added advantage of modified release along with solubility improvement is an emerging area of exploration. Spray drying is a widely used technology with excellent scalability and product attributes. The SD carriers explored were Soluplus®, possessing excellent solubilization properties that may enhance bioavailability and is suitable for innovative processing, and Gelucire 43/01, a lipid polymer utilized in a non-effervescent-based floating gastro-retentive DDS for the modified release of API. The CPPs of spray drying were screened during preliminary trials, and the formulation variables were optimized using a 32 Full Factorial Design. All nine batches were evaluated for % yield, % drug content, flow properties, floating behavior, saturation solubility, and in-vitro drug release in 0.1 N HCl. The optimized batch characterized based on DSC (differential scanning calorimetry) and PXRD (powder X-ray diffraction) confirmed the amorphous nature of entrapped drug in SDD (spray-dried dispersion). Particle size analysis and SEM (scanning electron microscopy) demonstrated micron size irregular shaped particles. Residual solvent analysis by GCMS-HS confirmed the elimination of organic solvents from SDD. The optimized batch was found stable after 6 months stability study as per ICH guidelines. In-vivo roentgenography study in New Zealand white rabbit showed the residence of SDD in gastric environment for sufficient time. The pharmacokinetic study was performed in male Sprague-Dawley rats to determine the bioavailability of developed SDD based product in fasting and fed conditions, and to compare the data with marketed Noxafil formulation. The current research is focused on the development of a novel ternary SDD (spray-dried dispersion)-based gastro-retentive formulation for an anti-fungal drug Posaconazole.
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Affiliation(s)
- Kaushika Patel
- Department of Pharmaceutical Technology, L. J. Institute of Pharmacy, L J University, Ahmedabad, 382 210, India
- Gujarat Technological University, Ahmedabad, India
| | - Vijay Kevlani
- Department of Pharmacology, L. J. Institute of Pharmacy, L J University, Ahmedabad, 382 210, India
| | - Shreeraj Shah
- Department of Pharmaceutical Technology, L. J. Institute of Pharmacy, L J University, Ahmedabad, 382 210, India.
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16
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Benedikt Brenner M, Wüst M, Kuentz M, Wagner KG. High loading of lipophilic compounds in mesoporous silica for improved solubility and dissolution performance. Int J Pharm 2024; 654:123946. [PMID: 38417728 DOI: 10.1016/j.ijpharm.2024.123946] [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: 01/25/2024] [Revised: 02/22/2024] [Accepted: 02/22/2024] [Indexed: 03/01/2024]
Abstract
Loading poorly soluble active pharmaceutical ingredients (API) into mesoporous silica can enable API stabilization in non-crystalline form, which leads to improved dissolution. This is particularly beneficial for highly lipophilic APIs (log D7.4 > 8) as these drugs often exhibit limited solubility in dispersion forming carrier polymers, resulting in low drug load and reduced solid state stability. To overcome this challenge, we loaded the highly lipophilic natural products coenzyme Q10 (CoQ10) and astaxanthin (ASX), as well as the synthetic APIs probucol (PB) and lumefantrine (LU) into the mesoporous silica carriers Syloid® XDP 3050 and Silsol® 6035. All formulations were physically stable in their non-crystalline form and drug loads of up to 50 % were achieved. At increasing drug loads, a marked increase in equilibrium solubility of the active ingredients in biorelevant medium was detected, leading to improved performance during biorelevant biphasic dissolution studies (BiPHa + ). Particularly the natural products CoQ10 and ASX showed substantial benefits from being loaded into mesoporous carrier particles and clearly outperformed currently available commercial formulations. Performance differences between the model compounds could be explained by in silico calculations of the mixing enthalpy for drug and silica in combination with an experimental chromatographic method to estimate molecular interactions.
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Affiliation(s)
- Marvin Benedikt Brenner
- University of Bonn, Pharmaceutical Institute, Department of Pharmaceutics, Gerhard-Domagk-Str. 3, 53121 Bonn, Germany
| | - Matthias Wüst
- University of Bonn, Institute of Nutritional and Food Sciences, Food Chemistry, Friedrich-Hirzebruch-Allee 7, 53115 Bonn, Germany
| | - Martin Kuentz
- University of Applied Sciences and Arts Northwestern Switzerland, Institute of Pharma Technology, Hofackerstr. 30, 4132 Muttenz, Switzerland
| | - Karl G Wagner
- University of Bonn, Pharmaceutical Institute, Department of Pharmaceutics, Gerhard-Domagk-Str. 3, 53121 Bonn, Germany.
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17
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Rossier B, Jordan O, Allémann E, Rodríguez-Nogales C. Nanocrystals and nanosuspensions: an exploration from classic formulations to advanced drug delivery systems. Drug Deliv Transl Res 2024:10.1007/s13346-024-01559-0. [PMID: 38451440 DOI: 10.1007/s13346-024-01559-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/21/2024] [Indexed: 03/08/2024]
Abstract
Nanocrystals and nanosuspensions have become realistic approaches to overcome the formulation challenges of poorly water-soluble drugs. They also represent a less-known but versatile platform for multiple therapeutic applications. They can be integrated into a broad spectrum of drug delivery systems including tablets, hydrogels, microneedles, microparticles, or even functionalized liposomes. The recent progresses, challenges, and opportunities in this field are gathered originally together with an informative case study concerning an itraconazole nanosuspension-in-hydrogel formulation. The translational aspects, historical and current clinical perspectives are also critically reviewed here to shed light on the incoming generation of nanocrystal formulations.
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Affiliation(s)
- Benjamin Rossier
- School of Pharmaceutical Sciences, University of Geneva, Rue Michel-Servet 1, 1211, Geneva 4, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, Rue Michel-Servet 1, 1211, Geneva 4, Switzerland
| | - Olivier Jordan
- School of Pharmaceutical Sciences, University of Geneva, Rue Michel-Servet 1, 1211, Geneva 4, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, Rue Michel-Servet 1, 1211, Geneva 4, Switzerland
| | - Eric Allémann
- School of Pharmaceutical Sciences, University of Geneva, Rue Michel-Servet 1, 1211, Geneva 4, Switzerland.
- Institute of Pharmaceutical Sciences of Western Switzerland, Rue Michel-Servet 1, 1211, Geneva 4, Switzerland.
| | - Carlos Rodríguez-Nogales
- School of Pharmaceutical Sciences, University of Geneva, Rue Michel-Servet 1, 1211, Geneva 4, Switzerland.
- Institute of Pharmaceutical Sciences of Western Switzerland, Rue Michel-Servet 1, 1211, Geneva 4, Switzerland.
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18
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Trenkenschuh E, Blattner SM, Hirsh D, Hoffmann R, Luebbert C, Schaefer K. Development of Ternary Amorphous Solid Dispersions Manufactured by Hot-Melt Extrusion and Spray-Drying─Comparison of In Vitro and In Vivo Performance. Mol Pharm 2024; 21:1309-1320. [PMID: 38345459 DOI: 10.1021/acs.molpharmaceut.3c00696] [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] [Indexed: 03/05/2024]
Abstract
Producing amorphous solid dispersions (ASDs) by hot-melt extrusion (HME) is favorable from an economic and ecological perspective but also limited to thermostable active pharmaceutical ingredients (APIs). A potential technology shift from spray-drying to hot-melt extrusion at later stages of drug product development is a desirable goal, however bearing the risk of insufficient comparability of the in vitro and in vivo performance of the final dosage form. Hot-melt extrusion was performed using API/polymer/surfactant mixtures with hydroxypropyl methylcellulose acetate succinate (HPMCAS) as the polymer and evaluated regarding the extrudability of binary and ternary amorphous solid dispersions (ASDs). Additionally, spray-dried ASDs were produced, and solid-state properties were compared to the melt-extruded ASDs. Tablets were manufactured of a ternary ASD lead candidate comparing their in vitro dissolution and in vivo performance. The extrudability of HPMCAS was improved by adding a surfactant as plasticizer, thereby lowering the high melt-viscosity. d-α-Tocopheryl polyethylene glycol succinate (TPGS) as surfactant showed the most similar solid-state properties between spray-dried and extruded ASDs compared to those of poloxamer 188 and sodium dodecyl sulfate. The addition of TPGS, however, barely affected API/polymer interactions. The in vitro dissolution experiment and in vivo dog study revealed a higher drug release of tablets manufactured from the spray-dried ASD compared to the melt-extruded ASD; this was attributed to the different particle size. We could further demonstrate that the drug release can be controlled by adjusting the particle size of melt-extruded ASDs leading to a similar release profile compared to tablets containing the spray-dried dispersion, which confirmed the feasibility of a technology shift from spray-drying to HME upon drug product development.
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Affiliation(s)
- Eduard Trenkenschuh
- Pharmaceutical Development, Boehringer Ingelheim Pharma GmbH & Co. KG, 88400 Biberach/Riß, Germany
| | - Simone M Blattner
- Drug Metabolism and Pharmacokinetics, Boehringer Ingelheim Pharma GmbH & Co. KG, 88400 Biberach/Riß, Germany
| | - David Hirsh
- Material and Analytical Sciences, Boehringer Ingelheim Pharmaceuticals Inc., Ridgefield, Connecticut 06877, United States
| | - Ragna Hoffmann
- Pharmaceutical Development, Boehringer Ingelheim Pharma GmbH & Co. KG, 88400 Biberach/Riß, Germany
| | | | - Kerstin Schaefer
- Pharmaceutical Development, Boehringer Ingelheim Pharma GmbH & Co. KG, 88400 Biberach/Riß, Germany
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19
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Wang M, Wang S, Zhang C, Ma M, Yan B, Hu X, Shao T, Piao Y, Jin L, Gao J. Microstructure Formation and Characterization of Long-Acting Injectable Microspheres: The Gateway to Fully Controlled Drug Release Pattern. Int J Nanomedicine 2024; 19:1571-1595. [PMID: 38406600 PMCID: PMC10888034 DOI: 10.2147/ijn.s445269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 01/24/2024] [Indexed: 02/27/2024] Open
Abstract
Long-acting injectable microspheres have been on the market for more than three decades, but if calculated on the brand name, only 12 products have been approved by the FDA due to numerous challenges in achieving a fully controllable drug release pattern. Recently, more and more researches on the critical factors that determine the release kinetics of microspheres shifted from evaluating the typical physicochemical properties to exploring the microstructure. The microstructure of microspheres mainly includes the spatial distribution and the dispersed state of drug, PLGA and pores, which has been considered as one of the most important characteristics of microspheres, especially when comparative characterization of the microstructure (Q3) has been recommended by the FDA for the bioequivalence assessment. This review extracted the main variables affecting the microstructure formation from microsphere formulation compositions and preparation processes and highlighted the latest advances in microstructure characterization techniques. The further understanding of the microsphere microstructure has significant reference value for the development of long-acting injectable microspheres, particularly for the development of the generic microspheres.
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Affiliation(s)
- Mengdi Wang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, People’s Republic of China
| | - Shan Wang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, People’s Republic of China
| | - Changhao Zhang
- College of Pharmacy, Key Laboratory of Natural Medicines of the Changbai Mountain of Ministry of Education, Yanbian University, Yanji, Jilin, 133002, People’s Republic of China
| | - Ming Ma
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, People’s Republic of China
| | - Bohua Yan
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, People’s Republic of China
| | - Xinming Hu
- College of Pharmacy, Key Laboratory of Natural Medicines of the Changbai Mountain of Ministry of Education, Yanbian University, Yanji, Jilin, 133002, People’s Republic of China
| | - Tianjiao Shao
- College of Pharmacy, Key Laboratory of Natural Medicines of the Changbai Mountain of Ministry of Education, Yanbian University, Yanji, Jilin, 133002, People’s Republic of China
| | - Yan Piao
- College of Pharmacy, Key Laboratory of Natural Medicines of the Changbai Mountain of Ministry of Education, Yanbian University, Yanji, Jilin, 133002, People’s Republic of China
| | - Lili Jin
- College of Pharmacy, Key Laboratory of Natural Medicines of the Changbai Mountain of Ministry of Education, Yanbian University, Yanji, Jilin, 133002, People’s Republic of China
| | - Jing Gao
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, 100850, People’s Republic of China
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20
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Klimša V, Mašková L, Kašpar O, Ruphuy G, Štěpánek F. Rapid screening of ternary amorphous formulations by a spray drying robot. Int J Pharm 2024; 651:123739. [PMID: 38145780 DOI: 10.1016/j.ijpharm.2023.123739] [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: 10/30/2023] [Revised: 12/13/2023] [Accepted: 12/22/2023] [Indexed: 12/27/2023]
Abstract
Spray drying is commonly used for producing amorphous solid dispersions to improve drug solubility. The development of such formulations typically relies on comprehensive excipient and composition screening, which requires the preparation of many spray-dried powder samples. This is both labour-intensive and time-consuming when carried out manually. In the present work, the formulation screening task was automated by coupling a laboratory spray dryer operated in a semi-continuous mode with custom-made add-ons, allowing for rapid, computer-controlled production of formulation samples with systematically varying composition. The practical use of the spray drying robot in formulation development was demonstrated on a case study of poorly water-soluble model drugs simvastatin and ezetimibe. Six different polymers and several drug:polymer ratios were screened for the enhancement of dissolution properties. From a pool of 28 spray-dried samples, ternary compositions containing Eudragit L100-55 were identified as the most suitable ones for further processing and characterisation. The ability to populate the formulation design space rapidly and automatically made it possible to construct maps of physico-chemical properties such as glass transition temperature or dissolution rate. The spray drying robot thus enables the acceleration of early formulation development and a deeper understanding of composition-property relationships for multi-component spray dried powders.
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Affiliation(s)
- Vojtěch Klimša
- Department of Chemical Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; Levare s.r.o., Jičínská 226/17, 130 00 Prague, Czech Republic
| | - Lucie Mašková
- Department of Chemical Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic
| | - Ondřej Kašpar
- Department of Chemical Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic
| | - Gabriela Ruphuy
- Department of Chemical Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic; Levare s.r.o., Jičínská 226/17, 130 00 Prague, Czech Republic
| | - František Štěpánek
- Department of Chemical Engineering, University of Chemistry and Technology Prague, Technická 3, 166 28 Prague, Czech Republic.
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21
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Assim Haq S, Paudwal G, Banjare N, Iqbal Andrabi N, Wazir P, Nandi U, Ahmed Z, Gupta PN. Sustained release polymer and surfactant based solid dispersion of andrographolide exhibited improved solubility, dissolution, pharmacokinetics, and pharmacological activity. Int J Pharm 2024; 651:123786. [PMID: 38185339 DOI: 10.1016/j.ijpharm.2024.123786] [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: 10/05/2023] [Revised: 12/29/2023] [Accepted: 01/03/2024] [Indexed: 01/09/2024]
Abstract
Andrographolide (AD) is a potent natural product with a wide range of pharmacological activities. However, it has low oral bioavailability due to poor solubility and dissolution rate. Solid dispersion (SD) is a promising technique to improve the solubility and dissolution rate of such molecules. In this study, SD formulation of AD was prepared using Kollidon-SR (KSR) and Poloxamer-407 (P-407) as carriers. SD was prepared using the solvent evaporation method and evaluated for the modulation of solubility of AD. The developed SD formulation was characterized using scanning electron microscopy (SEM), differential scanning calorimetry (DSC), powder X-ray diffraction (PXRD), and Fourier transform infrared spectroscopy (FTIR). Further, dissolution rate, yield, drug content, stability, flowability, and pharmacokinetic profile of SD were evaluated. The compatibility of SD with the Caco-2 cells and its impact on the P-glycoprotein (P-gp) mediated efflux was also investigated. Furthermore, carrageenan-induced paw edema, and adjuvant-induced arthritic model were used to evaluate the efficacy of SD. The results showed that SD3 (AD + KSR + P-407, 1:6:8) exhibited the highest solubility and dissolution rate, and significantly improved pharmacokinetic profile compared to native AD. SD3 was found to be stable during storage and displayed excellent yield, drug content, and flowability. This formulation was found to be compatible with the Caco-2 cells and retarded the efflux of P-gp substrate. SD3 also demonstrated substantially better efficacy than native AD in terms of paw edema inhibition (carrageenan-induced paw edema, Wistar rats), and overall improvement of disease condition (in terms of paw edema, arthritic score, AST, ALT, cytokines, radiological changes, and histopathology) in arthritic Wistar rats. In conclusion, SD3 exhibited improved solubility, dissolution rate, pharmacokinetic profile, and pharmacological activity than native AD.
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Affiliation(s)
- Syed Assim Haq
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Gourav Paudwal
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Nagma Banjare
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Nusrit Iqbal Andrabi
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Priya Wazir
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India
| | - Utpal Nandi
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Zabeer Ahmed
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Prem N Gupta
- Pharmacology Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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22
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Rusdin A, Mohd Gazzali A, Ain Thomas N, Megantara S, Aulifa DL, Budiman A, Muchtaridi M. Advancing Drug Delivery Paradigms: Polyvinyl Pyrolidone (PVP)-Based Amorphous Solid Dispersion for Enhanced Physicochemical Properties and Therapeutic Efficacy. Polymers (Basel) 2024; 16:286. [PMID: 38276694 PMCID: PMC10820039 DOI: 10.3390/polym16020286] [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: 11/28/2023] [Revised: 01/08/2024] [Accepted: 01/10/2024] [Indexed: 01/27/2024] Open
Abstract
BACKGROUND The current challenge in drug development lies in addressing the physicochemical issues that lead to low drug effectiveness. Solubility, a crucial physicochemical parameter, greatly influences various biopharmaceutical aspects of a drug, including dissolution rate, absorption, and bioavailability. Amorphous solid dispersion (ASD) has emerged as a widely explored approach to enhance drug solubility. OBJECTIVE The objective of this review is to discuss and summarize the development of polyvinylpyrrolidone (PVP)-based amorphous solid dispersion in improving the physicochemical properties of drugs, with a focus on the use of PVP as a novel approach. METHODOLOGY This review was conducted by examining relevant journals obtained from databases such as Scopus, PubMed, and Google Scholar, since 2018. The inclusion and exclusion criteria were applied to select suitable articles. RESULTS This study demonstrated the versatility and efficacy of PVP in enhancing the solubility and bioavailability of poorly soluble drugs. Diverse preparation methods, including solvent evaporation, melt quenching, electrospinning, coprecipitation, and ball milling are discussed for the production of ASDs with tailored characteristics. CONCLUSION PVP-based ASDs could offer significant advantages in the formulation strategies, stability, and performance of poorly soluble drugs to enhance their overall bioavailability. The diverse methodologies and findings presented in this review will pave the way for further advancements in the development of effective and tailored amorphous solid dispersions.
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Affiliation(s)
- Agus Rusdin
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjadjaran, Jl. Raya Bandung-Sumedang Km-21, Bandung 45363, Indonesia; (A.R.); (S.M.); (D.L.A.)
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Universitas Padjadjadjaran, Jl. Raya Bandung-Sumedang Km-21, Bandung 45363, Indonesia;
| | - Amirah Mohd Gazzali
- Departement Pharmaceutical Technology, School of Pharmaceutical Sciences, Universiti Sains Malaysia, P.Penang, Penang 11800, Malaysia;
| | - Nur Ain Thomas
- Department of Pharmacy, Faculty of Sport and Health, Universitas Negeri Gorontalo, Jl. Jenderal Sudirman No. 6, Gorontalo 96128, Indonesia;
| | - Sandra Megantara
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjadjaran, Jl. Raya Bandung-Sumedang Km-21, Bandung 45363, Indonesia; (A.R.); (S.M.); (D.L.A.)
- Research Collaboration Centre for Theranostic Radiopharmaceuticals, National Research and Innovation Agency (BRIN), Jakarta Pusat 10340, Indonesia
| | - Diah Lia Aulifa
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjadjaran, Jl. Raya Bandung-Sumedang Km-21, Bandung 45363, Indonesia; (A.R.); (S.M.); (D.L.A.)
| | - Arif Budiman
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Universitas Padjadjadjaran, Jl. Raya Bandung-Sumedang Km-21, Bandung 45363, Indonesia;
| | - Muchtaridi Muchtaridi
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjadjaran, Jl. Raya Bandung-Sumedang Km-21, Bandung 45363, Indonesia; (A.R.); (S.M.); (D.L.A.)
- Research Collaboration Centre for Theranostic Radiopharmaceuticals, National Research and Innovation Agency (BRIN), Jakarta Pusat 10340, Indonesia
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23
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Gaur A, Balasubramanian S. Liquid-Vapor Interface of Aqueous Ethylene Glycol Solutions: A Molecular Dynamics Study. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:230-240. [PMID: 38150706 DOI: 10.1021/acs.langmuir.3c02431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
While the organic constituent in an aqueous binary solution enriches its liquid-vapor (l-v) interface, the extent of enrichment can depend nonlinearly on its mole fraction. A microscopic quantification and rationalization of this behavior are crucial to understand the dependence of properties such as surface tension and evaporation rate of the solution on its composition. Extensive all-atom molecular dynamics simulations of aqueous ethylene glycol (EG) solutions show that the composition of the solution at the l-v interface deviates the most from that in the bulk solution at an EG mole fraction of 0.3. The population of EG molecules with their central C-C dihedral in the gauche conformation was found to be higher at the l-v interface than that in the bulk solution to facilitate the orientation of its hydrophobic methyl groups toward the vapor phase. Free energy calculations reveal that in dilute EG solutions, an EG molecule is most stable at the l-v interface. The behavior of vapor pressure in aqueous EG solutions is ideal and follows Raoult's law, while in contrast, the aqueous solution of dimethyl sulfoxide does not. A rationale for the same is provided through the orientational distribution of interfacial water molecules in the respective solutions.
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Affiliation(s)
- Anjali Gaur
- Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560 064, India
| | - Sundaram Balasubramanian
- Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Bangalore 560 064, India
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24
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Omer AB, Fatima F, Ahmed MM, Aldawsari MF, Alalaiwe A, Anwer MK, Mohammed AA. Enhanced Apigenin Dissolution and Effectiveness Using Glycyrrhizin Spray-Dried Solid Dispersions Filled in 3D-Printed Tablets. Biomedicines 2023; 11:3341. [PMID: 38137562 PMCID: PMC10742019 DOI: 10.3390/biomedicines11123341] [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: 10/22/2023] [Revised: 12/07/2023] [Accepted: 12/12/2023] [Indexed: 12/24/2023] Open
Abstract
This study aimed to prepare glycyrrhizin-apigenin spray-dried solid dispersions and develop PVA filament-based 3D printlets to enhance the dissolution and therapeutic effects of apigenin (APN); three formulations (APN1-APN3) were proportioned from 1:1 to 1:3. A physicochemical analysis was conducted, which revealed process yields of 80.5-91% and APN content within 98.0-102.0%. FTIR spectroscopy confirmed the structural preservation of APN, while Powder-XRD analysis and Differential Scanning Calorimetry indicated its transformation from a crystalline to an amorphous form. APN2 exhibited improved flow properties, a lower Angle of Repose, and Carr's Index, enhancing compressibility, with the Hausner Ratio confirming favorable flow properties for pharmaceutical applications. In vitro dissolution studies demonstrated superior performance with APN2, releasing up to 94.65% of the drug and revealing controlled release mechanisms with a lower mean dissolution time of 71.80 min and a higher dissolution efficiency of 19.2% compared to the marketed APN formulation. This signified enhanced dissolution and improved therapeutic onset. APN2 exhibited enhanced antioxidant activity; superior cytotoxicity against colon cancer cells (HCT-116), with a lower IC50 than APN pure; and increased antimicrobial activity. A stability study confirmed the consistency of APN2 after 90 days, as per ICH, with an f2 value of 70.59 for both test and reference formulations, ensuring reliable pharmaceutical development. This research underscores the potential of glycyrrhizin-apigenin solid dispersions for pharmaceutical and therapeutic applications, particularly highlighting the superior physicochemical properties, dissolution behavior, biological activities, and stability of APN2, while the development of a 3D printlet shell offers promise for enhanced drug delivery and therapeutic outcomes in colon cancer treatment, displaying advanced formulation and processing techniques.
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Affiliation(s)
- Asma B. Omer
- Department of Health Sciences, College of Health and Rehabilitation Sciences, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia;
| | - Farhat Fatima
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia; (M.M.A.); (M.F.A.)
| | - Mohammed Muqtader Ahmed
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia; (M.M.A.); (M.F.A.)
| | - Mohammed F. Aldawsari
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia; (M.M.A.); (M.F.A.)
| | - Ahmed Alalaiwe
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia; (M.M.A.); (M.F.A.)
| | - Md. Khalid Anwer
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia; (M.M.A.); (M.F.A.)
| | - Abdul Aleem Mohammed
- Department of Pharmaceutics, College of Pharmacy, Najran University, Najran 66433, Saudi Arabia
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25
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Rodríguez-Nogales C, Meeus J, Thonus G, Corveleyn S, Allémann E, Jordan O. Spray-dried nanocrystal-loaded polymer microparticles for long-term release local therapies: an opportunity for poorly soluble drugs. Drug Deliv 2023; 30:2284683. [PMID: 37994039 PMCID: PMC10987046 DOI: 10.1080/10717544.2023.2284683] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 11/12/2023] [Indexed: 11/24/2023] Open
Abstract
Nano- and micro-technologies can salvage drugs with very low solubility that were doomed to pre-clinical and clinical failure. A unique design approach to develop drug nanocrystals (NCs) loaded in extended release polymeric microparticles (MPs) for local treatments is presented here through the case of a potential osteoarthritis (OA) drug candidate for intra-articular (IA) administration. Optimizing a low-shear wet milling process allowed the production of NCs that can be subsequently freeze-dried (FD) and redispersed in a hydrophobic polymer-organic solvent solution to form spray-dried MPs. Results demonstrated a successful development of a ready-to-upscale formulation containing PLGA MPs with high drug NC encapsulation rates that showed a continuous and controlled drug release profile over four months. The screenings and procedures described allowed for identifying and overcoming common difficulties and challenges raised along the drug reduction to nano-size and spray-drying process. Above all, the technical knowledge acquired is intended for formulation scientists aiming to improve the therapeutic perspectives of poorly soluble drugs.
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Affiliation(s)
- Carlos Rodríguez-Nogales
- School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, Geneva, Switzerland
| | - Joke Meeus
- CMC Analytical Development, Galapagos NV, Mechelen, Belgium
| | - Gaby Thonus
- CMC Analytical Development, Galapagos NV, Mechelen, Belgium
| | - Sam Corveleyn
- CMC Analytical Development, Galapagos NV, Mechelen, Belgium
| | - Eric Allémann
- School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, Geneva, Switzerland
| | - Olivier Jordan
- School of Pharmaceutical Sciences, University of Geneva, Geneva, Switzerland
- Institute of Pharmaceutical Sciences of Western Switzerland, Geneva, Switzerland
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26
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Wu J, Mooter GVD. The influence of hydrogen bonding between different crystallization tendency drugs and PVPVA on the stability of amorphous solid dispersions. Int J Pharm 2023; 646:123440. [PMID: 37742824 DOI: 10.1016/j.ijpharm.2023.123440] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/13/2023] [Accepted: 09/21/2023] [Indexed: 09/26/2023]
Abstract
Amorphous solid dispersion (ASD) is one of the formulation strategies for drugs displaying low solubility and low oral bioavailability. In this study, high drug-loaded ASDs of drugs with different crystallization tendencies were prepared by spray drying. The aim was to investigate the influence of hydrogen bonding between the drug and the model polymer PVPVA on the physical stability of ASDs containing drugs with different crystallization tendencies. From the 60-day stability study results, the intermolecular hydrogen bonding has a considerable stabilizing effect on the ASDs of the drug with a moderate crystallization tendency. Nimesulide (hydrogen bond donor) can maintain the amorphous form for a longer time than Fenofibrate (no-hydrogen bond donor) during storage. In the ASDs with fast crystallization tendency drugs (naproxen and caffeine), intermolecular hydrogen bonds are not very effective in preventing drug crystallization, and the effect on the stability of ASD is relatively weak. However, for drugs with a slow tendency to crystallize (indomethacin and miconazole), the ASDs remained in an amorphous state during the monitored storage period, making it impossible to compare the effect of intermolecular hydrogen bonds on the stability of this type of ASDs. It also reveals that intermolecular hydrogen bonds can increase the drug loading capacity of ASDs. The relationship between drug loading and ASD stability was further analyzed by the state diagram. This study clearly pointed out that the physical stability of ASDs of drugs with different crystallization tendencies is affected to a different extent by intermolecular hydrogen bonds.
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Affiliation(s)
- Jingya Wu
- Drug Delivery and Disposition, KU Leuven, Department of Pharmaceutical and Pharmacological Sciences, Campus Gasthuisberg ON2, Herestraat 49 b921, 3000 Leuven, Belgium
| | - Guy Van den Mooter
- Drug Delivery and Disposition, KU Leuven, Department of Pharmaceutical and Pharmacological Sciences, Campus Gasthuisberg ON2, Herestraat 49 b921, 3000 Leuven, Belgium.
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27
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Poka MS, Milne M, Wessels A, Aucamp M. Sugars and Polyols of Natural Origin as Carriers for Solubility and Dissolution Enhancement. Pharmaceutics 2023; 15:2557. [PMID: 38004536 PMCID: PMC10675835 DOI: 10.3390/pharmaceutics15112557] [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: 10/03/2023] [Revised: 10/19/2023] [Accepted: 10/25/2023] [Indexed: 11/26/2023] Open
Abstract
Crystalline carriers such as dextrose, sucrose, galactose, mannitol, sorbitol, and isomalt have been reported to increase the solubility, and dissolution rates of poorly soluble drugs when employed as carriers in solid dispersions (SDs). However, synthetic polymers dominate the preparation of drugs: excipient SDs have been created in recent years, but these polymer-based SDs exhibit the major drawback of recrystallisation upon storage. Also, the use of high-molecular-weight polymers with increased chain lengths brings forth problems such as increased viscosity and unnecessary bulkiness in the resulting dosage form. An ideal SD carrier should be hydrophilic, non-hygroscopic, have high hydrogen-bonding propensity, have a high glass transition temperature (Tg), and be safe to use. This review discusses sugars and polyols as suitable carriers for SDs, as they possess several ideal characteristics. Recently, the use of low-molecular-weight excipients has gained much interest in developing SDs. However, there are limited options available for safe, low molecular excipients, which opens the door again for sugars and polyols. The major points of this review focus on the successes and failures of employing sugars and polyols in the preparation of SDs in the past, recent advances, and potential future applications for the solubility enhancement of poorly water-soluble drugs.
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Affiliation(s)
- Madan Sai Poka
- Department of Pharmaceutical Sciences, School of Pharmacy, Sefako Makgatho Health Sciences University, Molotlegi Street, Pretoria 0208, South Africa;
| | - Marnus Milne
- Department of Pharmaceutical Sciences, School of Pharmacy, Sefako Makgatho Health Sciences University, Molotlegi Street, Pretoria 0208, South Africa;
| | - Anita Wessels
- Centre of Excellence for Pharmaceutical Sciences (Pharmacen), North-West University, Hoffman Street, Potchefstroom 2520, South Africa;
| | - Marique Aucamp
- School of Pharmacy, University of the Western Cape, Robert Sobukwe Drive, Cape Town 7130, South Africa
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28
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Suleiman Alsalhi M, Royall PG, Al-Obaidi H, Alsalhi A, Cilibrizzi A, Chan KLA. Non-salt based co-amorphous formulation produced by freeze-drying. Int J Pharm 2023; 645:123404. [PMID: 37714312 DOI: 10.1016/j.ijpharm.2023.123404] [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: 06/06/2023] [Revised: 09/08/2023] [Accepted: 09/09/2023] [Indexed: 09/17/2023]
Abstract
Amino acids-based co-amorphous system (CAM) has shown to be a promising approach to overcome the dissolution challenge of biopharmaceutics classification system class II drugs. To date, most CAM formulations are based on salt formation at a 1:1 M ratio and are prepared by mechanical activation. However, its use in medicinal products is still limited due to the lack of in-depth understanding of non-ionic based molecular interactions. There are also limited studies on the effect of drug-to-co-former ratio, the development of more scalable, less aggressive, manufacturing processes such as freeze drying and its dissolution benefits. This work aims to investigate the effect of the ratio of tryptophan (a model non-ionic amino acid) to indomethacin (a model drug) on a non-salt-based CAM prepared via freeze-drying with the tert-butyl alcohol-water cosolvent system. The CAM material was systemically characterized at various stages of the freeze-drying process using DSC, UV-Vis, FT-IR, NMR, TGA and XRPD. Dissolution performance and physical stability upon storage were also investigated. Freeze-drying using the cosolvent system has been successfully shown to produce CAMs. The molecular interactions involving H-bonding, H/π and π-π between compounds have been confirmed by FT-IR and NMR. The drug release rate for formulations with a 1.5:1 drug: amino acid molar ratio (or 1:0.42 wt ratio) or below is found to be significantly improved compared to the pure crystalline drug. Furthermore, formulation with a 2.3:1 drug:amino acid molar ratio (or 1:0.25 wt ratio) or below have shown to be physically stable for at least 9 months when stored at dry condition (5% relative humidity, 25 °C) compared to the pure amorphous indomethacin. We have demonstrated the potential of freeze-drying using tert-butyl alcohol-water cosolvent system to produce an optimal non-salt-based class II drug-amino acid CAM.
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Affiliation(s)
- Mohammed Suleiman Alsalhi
- Institute of Pharmaceutical Science, King's College London, SE1 9NH, UK; College of pharmacy, King Saud University, Riyadh, Saudi Arabia.
| | - Paul G Royall
- Institute of Pharmaceutical Science, King's College London, SE1 9NH, UK
| | - Hisham Al-Obaidi
- School of Chemistry, Food and Pharmacy (SCFP), University of Reading, Whiteknights, Reading RG6 6AP, UK
| | - Alyaa Alsalhi
- College of pharmacy, King Saud University, Riyadh, Saudi Arabia
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29
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Corrie L, Ajjarapu S, Banda S, Parvathaneni M, Bolla PK, Kommineni N. HPMCAS-Based Amorphous Solid Dispersions in Clinic: A Review on Manufacturing Techniques (Hot Melt Extrusion and Spray Drying), Marketed Products and Patents. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6616. [PMID: 37895598 PMCID: PMC10608006 DOI: 10.3390/ma16206616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/07/2023] [Accepted: 10/08/2023] [Indexed: 10/29/2023]
Abstract
Today, therapeutic candidates with low solubility have become increasingly common in pharmaceutical research pipelines. Several techniques such as hot melt extrusion, spray drying, supercritical fluid technology, electrospinning, KinetiSol, etc., have been devised to improve either or both the solubility and dissolution to enhance the bioavailability of these active substances belonging to BCS Class II and IV. The principle involved in all these preparation techniques is similar, where the crystal lattice of the drug is disrupted by either the application of heat or dissolving it in a solvent and the movement of the fine drug particles is arrested with the help of a polymer by either cooling or drying to remove the solvent. The dispersed drug particles in the polymer matrix have higher entropy and enthalpy and, thereby, higher free energy in comparison to the crystalline drug. Povidone, polymethaacrylate derivatives, hydroxypropyl methyl cellulose (HPMC) and hydroxypropyl methylcellulose acetate succinate derivatives are commonly used as polymers in the preparation of ASDs. Specifically, hydroxypropylmethylcellulose acetate succinate (HPMCAS)-based ASDs have become well established in commercially available products and are widely explored to improve the solubility of poorly soluble drugs. This article provides an analysis of two widely used manufacturing techniques for HPMCAS ASDs, namely, hot melt extrusion and spray drying. Additionally, details of HPMCAS-based ASD marketed products and patents have been discussed to emphasize the commercial aspect.
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Affiliation(s)
- Leander Corrie
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India;
| | | | - Srikanth Banda
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW 8th Street, Miami, FL 33199, USA;
| | - Madhukiran Parvathaneni
- Department of Biotechnology, Harrisburg University of Science and Technology, Harrisburg, PA 17101, USA;
| | - Pradeep Kumar Bolla
- Department of Biomedical Engineering, College of Engineering, University of Texas at El Paso, El Paso, TX 79968, USA
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30
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Moseson DE, Taylor LS. Crystallinity: A Complex Critical Quality Attribute of Amorphous Solid Dispersions. Mol Pharm 2023; 20:4802-4825. [PMID: 37699354 DOI: 10.1021/acs.molpharmaceut.3c00526] [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] [Indexed: 09/14/2023]
Abstract
Does the performance of an amorphous solid dispersion rely on having 100% amorphous content? What specifications are appropriate for crystalline content within an amorphous solid dispersion (ASD) drug product? In this Perspective, the origin and significance of crystallinity within amorphous solid dispersions will be considered. Crystallinity can be found within an ASD from one of two pathways: (1) incomplete amorphization, or (2) crystal creation (nucleation and crystal growth). While nucleation and crystal growth is the more commonly considered pathway, where crystals originate as a physical stability failure upon accelerated or prolonged storage, manufacturing-based origins of crystallinity are possible as well. Detecting trace levels of crystallinity is a significant analytical challenge, and orthogonal methods should be employed to develop a holistic assessment of sample properties. Probing the impact of crystallinity on release performance which may translate to meaningful clinical significance is inherently challenging, requiring optimization of dissolution test variables to address the complexity of ASD formulations, in terms of drug physicochemical properties (e.g., crystallization tendency), level of crystallinity, crystal reference material selection, and formulation characteristics. The complexity of risk presented by crystallinity to product performance will be illuminated through several case studies, highlighting that a one-size-fits-all approach cannot be used to set specification limits, as the risk of crystallinity can vary widely based on a multitude of factors. Risk assessment considerations surrounding drug physicochemical properties, formulation fundamentals, physical stability, dissolution, and crystal micromeritic properties will be discussed.
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Affiliation(s)
- Dana E Moseson
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, Indiana 47907, United States
- Worldwide Research and Development Pfizer, Inc., Groton, Connecticut 06340, United States
| | - Lynne S Taylor
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, Indiana 47907, United States
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31
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Lechanteur A, Gresse E, Orozco L, Plougonven E, Léonard A, Vandewalle N, Lumay G, Evrard B. Inhalation powder development without carrier: How to engineer ultra-flying microparticles? Eur J Pharm Biopharm 2023; 191:26-35. [PMID: 37595762 DOI: 10.1016/j.ejpb.2023.08.010] [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: 05/23/2023] [Revised: 08/05/2023] [Accepted: 08/15/2023] [Indexed: 08/20/2023]
Abstract
Particle engineering technologies have led to the commercialization of new inhaled powders like PulmoSolTM or PulmoSphereTM. Such platforms are produced by spray drying, a well-known process popular for its versatility, thanks to wide-ranging working parameters. Whereas these powders contain a high drug-loading, we have studied a low-dose case, in optimizing the production of powders with two anti-asthmatic drugs, budesonide and formoterol. Using a Design of Experiments approach, 27 powders were produced, with varying excipient mixes (cyclodextrins, raffinose and maltodextrins), solution concentrations, and spray drying parameters in order to maximize deep lung deposition, measured through fine particle fraction (next generation impactor). Based on statistical analysis, two powders made of hydropropyl-β-cyclodextrin alone or mixed with raffinose and L-leucine were selected. Indeed, the two powders demonstrated very high fine particle fraction (>55%), considerably better than commercially available products. Deep lung deposition has been correlated to very fine particle size and lower microparticles interactions shown by laser diffraction assays at different working pressures, and particle morphometry. Moreover, the two drugs would be predicted to deposit homogeneously into the lung according to impaction studies. Uniform delivery is fundamental to control symptoms of asthma. In this study, we develop carrier-free inhalation powders promoting very efficient lung deposition and demonstrate the high impact of inter-particular interactions intensity on their aerosolization behaviour.
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Affiliation(s)
- Anna Lechanteur
- Laboratory of Pharmaceutical Technology and Biopharmacy, CIRM, University of Liège, Liège 4000, Belgium.
| | - Eva Gresse
- Laboratory of Pharmaceutical Technology and Biopharmacy, CIRM, University of Liège, Liège 4000, Belgium
| | - Luisa Orozco
- Group of Research and Applications in Statistical Physics, CESAM Research Unit Institute of Physics B5a, University of Liège, Liège 4000, Belgium
| | - Erwan Plougonven
- PEPs, Laboratory of Chemical Engineering, Department of Applied Chemistry, University of Liège, Building B6a, Sart-Tilman, Liège 4000, Belgium
| | - Angélique Léonard
- PEPs, Laboratory of Chemical Engineering, Department of Applied Chemistry, University of Liège, Building B6a, Sart-Tilman, Liège 4000, Belgium
| | - Nicolas Vandewalle
- Group of Research and Applications in Statistical Physics, CESAM Research Unit Institute of Physics B5a, University of Liège, Liège 4000, Belgium
| | - Geoffroy Lumay
- Group of Research and Applications in Statistical Physics, CESAM Research Unit Institute of Physics B5a, University of Liège, Liège 4000, Belgium
| | - Brigitte Evrard
- Laboratory of Pharmaceutical Technology and Biopharmacy, CIRM, University of Liège, Liège 4000, Belgium
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32
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Kadota K, Tse JY, Fujita S, Suzuki N, Uchiyama H, Tozuka Y, Tanaka S. Drug-Facilitated Crystallization of Spray-Dried CD-MOFs with Tunable Morphology, Porosity, And Dissolution Profile. ACS APPLIED BIO MATERIALS 2023; 6:3451-3462. [PMID: 37184656 DOI: 10.1021/acsabm.3c00162] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Metal-organic frameworks (MOFs) with versatile functionalities have applications in environmental science, sensor separation, catalysis, and drug delivery. In particular, MOFs used in drug delivery should be biodegradable and easy to control. In this study, spray-dried cyclodextrin-based MOFs (CD-MOFs) with tunable crystallinity, porosity, and dissolution properties were fabricated. The spray-drying precursor properties, such as ethanol volume ratio, incubation time, and precursor concentration, were optimized for controlled crystallization. On the basis of the morphology, X-ray diffraction peak intensity, and specific surface areas of the spray-dried CD-MOF products, they were categorized as amorphous, partially crystalline, and highly crystalline. An active pharmaceutical ingredient ketoconazole (KCZ) was introduced into the precursor to prepare KCZ-containing CD-MOFs. The surface areas of these products were greater by 3-fold (292 m2/g) than that of the plain CD-MOF (94.1 m2/g) prepared using the same parameters. The presence of KCZ in the hydrophobic cavity between the two γ-CD molecules was correlated to the CD-MOF crystal growth. Additionally, CD-MOF particles exhibited different dissolution behaviors on the basis of the position of KCZ in the MOF. These spray-dried CD-MOFs with tunable morphology, specific surface area, and dissolution could have potential applications in various fields.
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Affiliation(s)
- Kazunori Kadota
- Department of Formulation Design and Pharmaceutical Technology, Faculty of Pharmacy, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
| | - Jun Yee Tse
- Department of Formulation Design and Pharmaceutical Technology, Faculty of Pharmacy, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
| | - Shuhei Fujita
- Department of Chemical, Energy, and Environmental Engineering, Faculty of Environmental and Urban Engineering, Kansai University, 3-3-35 Yamate-cho, Suita, Osaka 564-8680, Japan
| | - Nao Suzuki
- Department of Formulation Design and Pharmaceutical Technology, Faculty of Pharmacy, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
| | - Hiromasa Uchiyama
- Department of Formulation Design and Pharmaceutical Technology, Faculty of Pharmacy, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
| | - Yuichi Tozuka
- Department of Formulation Design and Pharmaceutical Technology, Faculty of Pharmacy, Osaka Medical and Pharmaceutical University, 4-20-1 Nasahara, Takatsuki, Osaka 569-1094, Japan
| | - Shunsuke Tanaka
- Department of Chemical, Energy, and Environmental Engineering, Faculty of Environmental and Urban Engineering, Kansai University, 3-3-35 Yamate-cho, Suita, Osaka 564-8680, Japan
- Collaborate Research Center of Engineering, Medicine and Pharmacology (CEMP), Organization for Research and Development of Innovative Science and Technology (ORDIST), Kansai University, 3-3-35 Yamate-cho, Suita-shi, Osaka 564-8680, Japan
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Saha SK, Joshi A, Singh R, Dubey K. Review of industrially recognized polymers and manufacturing processes for amorphous solid dispersion based formulations. Pharm Dev Technol 2023; 28:678-696. [PMID: 37427544 DOI: 10.1080/10837450.2023.2233595] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/27/2023] [Accepted: 07/02/2023] [Indexed: 07/11/2023]
Abstract
Evolving therapeutic landscape through combinatorial chemistry and high throughput screening have resulted in an increased number of poorly soluble drugs. Drug delivery strategies quickly adapted to convert these drugs into successful therapies. Amorphous solid dispersion (ASD) technology is widely employed as a drug delivery strategy by pharmaceutical industries to overcome the challenges associated with these poorly soluble drugs. The development of ASD formulation requires an understanding of polymers and manufacturing techniques. A review of US FDA-approved ASD-based products revealed that only a limited number of polymers and manufacturing technologies are employed by pharmaceutical industries. This review provides a comprehensive guide for the selection and overview of polymers and manufacturing technologies adopted by pharmaceutical industries for ASD formulation. The various employed polymers with their underlying mechanisms for solution-state and solid-state stability are discussed. ASD manufacturing techniques, primarily implemented by pharmaceutical industries for commercialization, are presented in Quality by Design (QbD) format. An overview of novel excipients and progress in manufacturing technologies are also discussed. This review provides insights to the researchers on the industrially accepted polymers and manufacturing technology for ASD formulation that has translated these challenging drugs into successful therapies.
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Affiliation(s)
- Sumit Kumar Saha
- Department of Pharmacology, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, India
- Formulation Research and Development - Orals, Sun Pharmaceuticals Industries Limited, Gurugram, India
| | | | - Romi Singh
- Formulation Research and Development - Orals, Sun Pharmaceuticals Industries Limited, Gurugram, India
| | - Kiran Dubey
- Department of Pharmacology, School of Pharmaceutical Education & Research, Jamia Hamdard, New Delhi, India
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Wang B, Xiang J, He B, Tan S, Zhou W. Enhancing bioavailability of natural extracts for nutritional applications through dry powder inhalers (DPI) spray drying: technological advancements and future directions. Front Nutr 2023; 10:1190912. [PMID: 37476406 PMCID: PMC10354342 DOI: 10.3389/fnut.2023.1190912] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 06/19/2023] [Indexed: 07/22/2023] Open
Abstract
Natural ingredients have many applications in modern medicine and pharmaceutical projects. However, they often have low solubility, poor chemical stability, and low bioavailability in vivo. Spray drying technology can overcome these challenges by enhancing the properties of natural ingredients. Moreover, drug delivery systems can be flexibly designed to optimize the performance of natural ingredients. Among the various drug delivery systems, dry powder inhalation (DPI) has attracted much attention in pharmaceutical research. Therefore, this review will focus on the spray drying of natural ingredients for DPI and discuss their synthesis and application.
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Affiliation(s)
- Bo Wang
- Academician Workstation, Changsha Medical University, Changsha, China
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, China
| | - Jia Xiang
- Academician Workstation, Changsha Medical University, Changsha, China
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, China
| | - Binsheng He
- Academician Workstation, Changsha Medical University, Changsha, China
| | - Songwen Tan
- Academician Workstation, Changsha Medical University, Changsha, China
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, China
| | - Wenhu Zhou
- Academician Workstation, Changsha Medical University, Changsha, China
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, China
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Zhang J, Guo M, Luo M, Cai T. Advances in the development of amorphous solid dispersions: The role of polymeric carriers. Asian J Pharm Sci 2023; 18:100834. [PMID: 37635801 PMCID: PMC10450425 DOI: 10.1016/j.ajps.2023.100834] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 06/26/2023] [Accepted: 07/23/2023] [Indexed: 08/27/2023] Open
Abstract
Amorphous solid dispersion (ASD) is one of the most effective approaches for delivering poorly soluble drugs. In ASDs, polymeric materials serve as the carriers in which the drugs are dispersed at the molecular level. To prepare the solid dispersions, there are many polymers with various physicochemical and thermochemical characteristics available for use in ASD formulations. Polymer selection is of great importance because it influences the stability, solubility and dissolution rates, manufacturing process, and bioavailability of the ASD. This review article provides a comprehensive overview of ASDs from the perspectives of physicochemical characteristics of polymers, formulation designs and preparation methods. Furthermore, considerations of safety and regulatory requirements along with the studies recommended for characterizing and evaluating polymeric carriers are briefly discussed.
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Affiliation(s)
- Jie Zhang
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- College of Biological and Chemical Engineering, Changsha University, Changsha 410022, China
| | - Minshan Guo
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Minqian Luo
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Ting Cai
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- Department of Pharmaceutical Engineering, School of Engineering, China Pharmaceutical University, Nanjing 211198, China
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Meirelles LMA, de Melo Barbosa R, de Almeida Júnior RF, Machado PRL, Perioli L, Viseras C, Raffin FN. Biocomposite for Prolonged Release of Water-Soluble Drugs. Pharmaceutics 2023; 15:1722. [PMID: 37376170 DOI: 10.3390/pharmaceutics15061722] [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: 05/08/2023] [Revised: 06/08/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
This study aimed to develop a prolonged-release system based on palygorskite and chitosan, which are natural ingredients widely available, affordable, and accessible. The chosen model drug was ethambutol (ETB), a tuberculostatic drug with high aqueous solubility and hygroscopicity, which is incompatible with other drugs used in tuberculosis therapy. The composites loaded with ETB were obtained using different proportions of palygorskite and chitosan through the spray drying technique. The main physicochemical properties of the microparticles were determined using XRD, FTIR, thermal analysis, and SEM. Additionally, the release profile and biocompatibility of the microparticles were evaluated. As a result, the chitosan-palygorskite composites loaded with the model drug appeared as spherical microparticles. The drug underwent amorphization within the microparticles, with an encapsulation efficiency greater than 84%. Furthermore, the microparticles exhibited prolonged release, particularly after the addition of palygorskite. They demonstrated biocompatibility in an in vitro model, and their release profile was influenced by the proportion of inputs in the formulation. Therefore, incorporating ETB into this system offers improved stability for the administered product in the initial tuberculosis pharmacotherapy dose, minimizing its contact with other tuberculostatic agents in the treatment, as well as reducing its hygroscopicity.
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Affiliation(s)
- Lyghia M A Meirelles
- Laboratory of Drug Development, Department of Pharmacy, Federal University of Rio Grande do Norte, Natal 59012-570, Brazil
| | - Raquel de Melo Barbosa
- Laboratory of Drug Development, Department of Pharmacy, Federal University of Rio Grande do Norte, Natal 59012-570, Brazil
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Campus de Cartuja s/n, University of Granada, 18071 Granada, Spain
| | | | - Paula Renata Lima Machado
- Immunology Laboratory, Pharmacy Faculty, Federal University of Rio Grande do Norte, Natal 59010-180, Brazil
| | - Luana Perioli
- Department of Pharmaceutic Science, University of Perugia, 06123 Perugia, Italy
| | - César Viseras
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Campus de Cartuja s/n, University of Granada, 18071 Granada, Spain
- Andalusian Institute of Earth Sciences, CSIC-University of Granada, Av. de Las Palmeras 4, 18100 Armilla, Spain
| | - Fernanda Nervo Raffin
- Laboratory of Drug Development, Department of Pharmacy, Federal University of Rio Grande do Norte, Natal 59012-570, Brazil
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37
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Li H, Yang TX, Zhao QS, Hou SB, Tian RR, Zhao B. Comparative study of encapsulated cannabidiol ternary solid dispersions prepared by different techniques: The application of a novel technique jet milling. Food Res Int 2023; 168:112783. [PMID: 37120229 DOI: 10.1016/j.foodres.2023.112783] [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: 01/27/2023] [Revised: 03/22/2023] [Accepted: 03/29/2023] [Indexed: 05/01/2023]
Abstract
Jet milling is a common technique in ultrafine powder preparation field. It has never been used to design delivery systems. Cannabidiol (CBD) is an important cannabinoid of hemp but poor aqueous solubility limited its applications. In this study, solid dispersion (SD) technique was combined with cyclodextrin complexation technique, and jet milling was used for the first time to prepare SDs for improving CBD solubility. Different characterizations demonstrated that the dispersion effect and complexation structure of CBD SD3 prepared by jet milling were comparable to that of CBD SD2 prepared by spray drying (a common solution-based method), and were better than that of CBD SD1 prepared by cogrinding. The water solubility of CBD was increased to 20.902 μg/mL (909-fold) in CBD SD3. Besides, the antioxidant activity and cytotoxicity to tumor cells of CBD were enhanced by dispersion. This work indicated that jet milling, as a new technique with low cost and excellent applicability, could be further developed for the delivery of food functional factors or bioactive molecules.
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Affiliation(s)
- Hang Li
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Tian-Xiao Yang
- Department of Biomedicine, Beijing City University, Beijing 100094, China
| | - Qing-Sheng Zhao
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Shou-Bu Hou
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Rong-Rong Tian
- Department of Biomedicine, Beijing City University, Beijing 100094, China.
| | - Bing Zhao
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
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38
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Latreche M, Willart JF. Analysis of the Dissolution Mechanism of Drugs into Polymers: The Case of the PVP/Sulindac System. Pharmaceutics 2023; 15:pharmaceutics15051505. [PMID: 37242747 DOI: 10.3390/pharmaceutics15051505] [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: 03/31/2023] [Revised: 05/05/2023] [Accepted: 05/12/2023] [Indexed: 05/28/2023] Open
Abstract
This paper is dealing with the dissolution mechanism of crystalline sulindac into amorphous Polyvinylpyrrolidone (PVP) upon heating and annealing at high temperatures. Special attention is paid on the diffusion mechanism of drug molecules in the polymer which leads to a homogeneous amorphous solid dispersion of the two components. The results show that isothermal dissolution proceeds through the growth of polymer zones saturated by the drug, and not by a progressive increase in the uniform drug concentration in the whole polymer matrix. The investigations also show the exceptional ability of temperature Modulated Differential Scanning Calorimetry (MDSC) to identify the equilibrium and out of equilibrium stages of dissolution corresponding to the trajectory of the mixture into its state diagram.
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Affiliation(s)
- Mansour Latreche
- Univ. Lille, CNRS, INRAE, Centrale Lille, UMR 8207, UMET-Unité Matériaux et Transformations, F-59000 Lille, France
| | - Jean-François Willart
- Univ. Lille, CNRS, INRAE, Centrale Lille, UMR 8207, UMET-Unité Matériaux et Transformations, F-59000 Lille, France
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39
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Suhaidi D, Dong YD, Wynne P, Hapgood KP, Morton DAV. Bulk Flow Optimisation of Amorphous Solid Dispersion Excipient Powders through Surface Modification. Pharmaceutics 2023; 15:pharmaceutics15051447. [PMID: 37242689 DOI: 10.3390/pharmaceutics15051447] [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: 03/31/2023] [Revised: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
Particulate amorphous solid dispersions (ASDs) have been recognised for their potential to enhance the performance of various solid dose forms, especially oral bioavailability and macromolecule stability. However, the inherent nature of spray-dried ASDs leads to their surface cohesion/adhesion, including hygroscopicity, which hinders their bulk flow and affects their utility and viability in terms of powder production, processing, and function. This study explores the effectiveness of L-leucine (L-leu) coprocessing in modifying the particle surface of ASD-forming materials. Various contrasting prototype coprocessed ASD excipients from both the food and pharmaceutical industries were examined for their effective coformulation with L-leu. The model/prototype materials included maltodextrin, polyvinylpyrrolidone (PVP K10 and K90), trehalose, gum arabic, and hydroxypropyl methylcellulose (HPMC E5LV and K100M). The spray-drying conditions were set such that the particle size difference was minimised, so that it did not play a substantial role in influencing powder cohesion. Scanning electron microscopy was used to evaluate the morphology of each formulation. A combination of previously reported morphological progression typical of L-leu surface modification and previously unreported physical characteristics was observed. The bulk characteristics of these powders were assessed using a powder rheometer to evaluate their flowability under confined and unconfined stresses, flow rate sensitivities, and compactability. The data showed a general improvement in maltodextrin, PVP K10, trehalose and gum arabic flowability measures as L-leu concentrations increased. In contrast, PVP K90 and HPMC formulations experienced unique challenges that provided insight into the mechanistic behaviour of L-leu. Therefore, this study recommends further investigations into the interplay between L-leu and the physico-chemical properties of coformulated excipients in future amorphous powder design. This also revealed the need to enhance bulk characterisation tools to unpack the multifactorial impact of L-leu surface modification.
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Affiliation(s)
- Danni Suhaidi
- School of Engineering, Deakin University, Waurn Ponds, VIC 3216, Australia
| | - Yao-Da Dong
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC 3052, Australia
| | - Paul Wynne
- Medicines Manufacturing Innovation Centre, Monash University, Clayton, VIC 3168, Australia
| | - Karen P Hapgood
- School of Engineering, Swinburne University, Hawthorn, VIC 3122, Australia
| | - David A V Morton
- School of Engineering, Deakin University, Waurn Ponds, VIC 3216, Australia
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40
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Gupta KM, Chin X, Kanaujia P. Molecular Interactions between APIs and Enteric Polymeric Excipients in Solid Dispersion: Insights from Molecular Simulations and Experiments. Pharmaceutics 2023; 15:pharmaceutics15041164. [PMID: 37111649 PMCID: PMC10143979 DOI: 10.3390/pharmaceutics15041164] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/30/2023] [Accepted: 04/04/2023] [Indexed: 04/08/2023] Open
Abstract
Solid dispersion of poorly soluble APIs is known to be a promising strategy to improve dissolution and oral bioavailability. To facilitate the development and commercialization of a successful solid dispersion formulation, understanding of intermolecular interactions between APIs and polymeric carriers is essential. In this work, first, we assessed the molecular interactions between various delayed-release APIs and polymeric excipients using molecular dynamics (MD) simulations, and then we formulated API solid dispersions using a hot melt extrusion (HME) technique. To assess the potential API–polymer pairs, three quantities were evaluated: (a) interaction energy between API and polymer [electrostatic (Ecoul), Lenard-Jones (ELJ), and total (Etotal)], (b) energy ratio (API–polymer/API–API), and (c) hydrogen bonding between API and polymer. The Etotal quantities corresponding to the best pairs: NPX-Eudragit L100, NaDLO–HPMC(P), DMF–HPMC(AS) and OPZ–HPMC(AS) were −143.38, −348.04, −110.42, and −269.43 kJ/mol, respectively. Using a HME experimental technique, few API–polymer pairs were successfully extruded. These extruded solid forms did not release APIs in a simulated gastric fluid (SGF) pH 1.2 environment but released them in a simulated intestinal fluid (SIF) pH 6.8 environment. The study demonstrates the compatibility between APIs and excipients, and finally suggests a potential polymeric excipient for each delayed-release API, which could facilitate the development of the solid dispersion of poorly soluble APIs for dissolution and bioavailability enhancement.
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Affiliation(s)
- Krishna M. Gupta
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Singapore
| | - Xavier Chin
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Singapore
| | - Parijat Kanaujia
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Singapore
- Department of Pharmacy, National University of Singapore, 18 Science Drive 4, Singapore 117559, Singapore
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41
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Suwabe S, Tagami T, Ogawa K, Ozeki T. Improved drug transfer into brain tissue via the "nose-to-brain" approach using suspension or powder formulations based on the amorphous solid dispersion technique. Eur J Pharm Biopharm 2023; 185:137-147. [PMID: 36842719 DOI: 10.1016/j.ejpb.2023.02.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/07/2023] [Accepted: 02/21/2023] [Indexed: 02/28/2023]
Abstract
Intranasal administration has attracted increasing attention as a drug delivery approach based on nose-to-brain drug delivery from the nasal cavity to brain tissue directly, bypassing the blood-brain barrier. However, application of the method to poorly water-soluble drugs is potentially limited due to low aqueous solubility and dissolution, which can hinder drug transfer to brain tissue. In the present study, we focused on an amorphous solid dispersion (ASD) technique to improve drug dissolution. A carbamazepine-loaded ASD model drug was prepared using the solvent evaporation method (ASD-1). After screening six water-soluble polymer carriers, polyvinyl alcohol (PVA)-based ASD-1 formulation exhibited the most rapid and highest drug dissolution under experimental conditions in the nasal cavity (pH 6.0). A carbamazepine suspension dispersed with a PVA-ASD-1 formulation exhibited enhanced drug delivery into plasma and brain tissue of rats in vivo. A spray-dried powder formulation of PVA-ASD (PVA-ASD-2) exhibited improved drug dissolution and in vivo drug transfer. Our key finding is that the spray-dried PVA-ASD-2 formulation exhibited higher brain/plasma ratios than the PVA-ASD-1 suspension formulation. Our physical characterization data and demonstration of improved drug transfer suggest that ASD-based intranasal formulations hold promise for drug delivery to the brain.
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Affiliation(s)
- Susumu Suwabe
- Drug Delivery and Nano Pharmaceutics, Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Tatsuaki Tagami
- Drug Delivery and Nano Pharmaceutics, Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Koki Ogawa
- Drug Delivery and Nano Pharmaceutics, Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan
| | - Tetsuya Ozeki
- Drug Delivery and Nano Pharmaceutics, Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, Aichi 467-8603, Japan.
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42
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Wu H, Wang Z, Zhao Y, Gao Y, Wang L, Zhang H, Bu R, Ding Z, Han J. Effect of Different Seed Crystals on the Supersaturation State of Ritonavir Tablets Prepared by Hot-Melt Extrusion. Eur J Pharm Sci 2023; 185:106440. [PMID: 37004961 DOI: 10.1016/j.ejps.2023.106440] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 03/10/2023] [Accepted: 03/30/2023] [Indexed: 04/03/2023]
Abstract
Hot-melt extrusion (HME) is a technology increasingly common for the commercial production of pharmaceutical amorphous solid dispersions (ASDs), especially for poorly water-soluble active pharmaceutical ingredients (APIs). However, recrystallization of the APIs during dissolution must be prevented to maintain the supersaturation state enabled by ASD. Unfortunately, the amorphous formulation may be contaminated by seed crystals during the HME manufacturing process, which could lead to undesirable crystal growth during the dissolution process. In this study, the dissolution behavior of ritonavir ASD tablets prepared using both Form I and Form II polymorphs was examined, and the effects of different seed crystals on crystal growth rates were investigated. The aim was to understand how the presence of seed crystals can impact the dissolution of ritonavir, and to determine the optimal polymorph and seeding conditions for the production of ASDs. The results showed that both Form I and Form II ritonavir tablets had similar dissolution profiles, which were also similar to the reference listed drug (RLD). However, it was observed that the presence of seed crystals, particularly the metastable Form I seed, led to more precipitation compared to the stable Form II seed in all formulations. The Form I crystals that precipitated from the supersaturated solution were easily dispersed in the solution and could serve as seeds to facilitate crystal growth. On the other hand, Form II crystals tended to grow more slowly and presented as aggregates. The addition of both Form I and Form II seeds could affect their precipitation behaviors, and the amount and form of the seeds had significant effects on the precipitation process of the RLD tablets, as are the tablets prepared with different polymorphs. In conclusion, the study highlights the importance of minimizing the contamination risk of seed crystals during the manufacturing process and selecting the appropriate polymorph for the production of ASDs.
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Hot Melt Extruded Posaconazole-Based Amorphous Solid Dispersions—The Effect of Different Types of Polymers. Pharmaceutics 2023; 15:pharmaceutics15030799. [PMID: 36986660 PMCID: PMC10056184 DOI: 10.3390/pharmaceutics15030799] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023] Open
Abstract
Four model polymers, representing (i) amorphous homopolymers (Kollidon K30, K30), (ii) amorphous heteropolymers (Kollidon VA64, KVA), (iii) semi-crystalline homopolymers (Parteck MXP, PXP), and (iv) semi-crystalline heteropolymers (Kollicoat IR, KIR), were examined for their effectiveness in creating posaconazole-based amorphous solid dispersions (ASDs). Posaconazole (POS) is a triazole antifungal drug that has activity against Candida and Aspergillus species, belonging to class II of the biopharmaceutics classification system (BCS). This means that this active pharmaceutical ingredient (API) is characterized by solubility-limited bioavailability. Thus, one of the aims of its formulation as an ASD was to improve its aqueous solubility. Investigations were performed into how polymers affected the following characteristics: melting point depression of the API, miscibility and homogeneity with POS, improvement of the amorphous API’s physical stability, melt viscosity (and associated with it, drug loading), extrudability, API content in the extrudate, long term physical stability of the amorphous POS in the binary drug–polymer system (in the form of the extrudate), solubility, and dissolution rate of hot melt extrusion (HME) systems. The obtained results led us to conclude that the physical stability of the POS-based system increases with the increasing amorphousness of the employed excipient. Copolymers, compared to homopolymers, display greater homogeneity of the investigated composition. However, the enhancement in aqueous solubility was significantly higher after utilizing the homopolymeric, compared to the copolymeric, excipients. Considering all of the investigated parameters, the most effective additive in the formation of a POS-based ASD is an amorphous homopolymer—K30.
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44
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Impact of Leucine and Magnesium Stearate on the Physicochemical Properties and Aerosolization Behavior of Wet Milled Inhalable Ibuprofen Microparticles for Developing Dry Powder Inhaler Formulation. Pharmaceutics 2023; 15:pharmaceutics15020674. [PMID: 36839997 PMCID: PMC9966768 DOI: 10.3390/pharmaceutics15020674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/04/2023] [Accepted: 02/14/2023] [Indexed: 02/19/2023] Open
Abstract
This study investigated the development and characterization of leucine and magnesium stearate (MgSt) embedded wet milled inhalable ibuprofen (IBF) dry powder inhaler (DPI) formulations. IBF microparticles were prepared by a wet milling homogenization process and were characterized by SEM, FTIR, DSC, XRD and TGA. Using a Twin-Stage Impinger (TSI), the in vitro aerosolization of the formulations with and without carrier lactose was studied at a flow rate of 60± 5 L/min and the IBF was determined using a validated HPLC method. The flow properties were determined by the Carr's Index (CI), Hausner Ratio (HR) and Angle of Repose (AR) of the milled IBF with 4-6.25% leucine and leucine containing formulations showed higher flow property than those of formulations without leucine. The fine particle fraction (FPF) of IBF from the prepared formulations was significantly (p = 0.000278) higher (37.1 ± 3.8%) compared to the original drug (FPF 3.7 ± 0.9%) owing to the presence of leucine, which enhanced the aerosolization of the milled IBF particles. Using quantitative phase analysis, the XPRD data revealed the crystallinity and accurate weight percentages of the milled IBF in the formulations. FTIR revealed no changes of the structural integrity of the milled IBF in presence of leucine or MgSt. The presence of 2.5% MgSt in the selected formulations produced the highest solubility (252.8 ± 0.6 µg/mL) of IBF compared to that of unmilled IBF (147.4 ± 1.6 µg/mL). The drug dissolution from all formulations containing 4-6.25% leucine showed 12.2-18.6% drug release in 2.5 min; however, 100% IBF dissolution occurred in 2 h whereas around 50% original and dry milled IBF dissolved in 2 h. The results indicated the successful preparation of inhalable IBF microparticles by the wet milling method and the developed DPI formulations with enhanced aerosolization and solubility due to the presence of leucine may be considered as future IBF formulations for inhalation.
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Formulation of taste-masked orodispersible famotidine tablets by sequential spray drying and direct compression – Bitterness evaluation. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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Lin Z, Zheng K, Azad MA, Davé RN. Preparation of Free-Flowing Spray-Dried Amorphous Composites Using Neusilin ®. AAPS PharmSciTech 2023; 24:51. [PMID: 36703032 DOI: 10.1208/s12249-023-02511-0] [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: 08/31/2022] [Accepted: 01/10/2023] [Indexed: 01/28/2023] Open
Abstract
A highly porous additive, Neusilin®, with high adsorption capability is investigated to improve bulk properties, hence processability of spray-dried amorphous solid dispersions (ASDs). Griseofulvin (GF) is applied as a model BCS class 2 drug in ASDs. Two grades of Neusilin®, US2 (coarser) and UFL2 (finer), were used as additives to produce spray-dried amorphous composite (AC) powders, and their performance was compared with the resulting ASDs without added Neusilin®. The resulting AC powders that included Neusilin® had greatly enhanced flowability (flow function coefficient (FFC) > 10) comparable to larger particles (100 μm) yet had finer particle size (< 50 μm), hence retaining the advantage of fast dissolution rate of finer sizes. Dissolution results demonstrated that achieved GF supersaturation for AC powders with Neusilin® was as high as 3 times that of crystalline GF concentration and was achieved within 30 min. In addition, 80% of drug was released within 4 min. The flowability improvement for AC powders with Neusilin® was more significant as compared to spray-dried ASDs without Neusilin®. Thus, the role of Neusilin® in flowability improvement was evident, considering that spray-dried AC with Neusilin® UFL2 has higher FFC than ASDs having a similar size. Lastly, the AC powders retained a fully amorphous state of GF after 3-month ambient storage. The overall results conveyed that the improved flowability and dissolution rate could outweigh the loss of drug loading resulted by addition of Neusilin®.
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Affiliation(s)
- Zhixing Lin
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ, 07102, USA
| | - Kai Zheng
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ, 07102, USA
| | - Mohammad A Azad
- Chemical, Biological and Bioengineering Department, North Carolina A&T State University, Greensboro, NC, 27411, USA
| | - Rajesh N Davé
- New Jersey Center for Engineered Particulates, New Jersey Institute of Technology, Newark, NJ, 07102, USA.
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Mannitol Is a Good Anticaking Agent for Spray-Dried Hydroxypropyl-Beta-Cyclodextrin Microcapsules. Molecules 2023; 28:molecules28031119. [PMID: 36770786 PMCID: PMC9921659 DOI: 10.3390/molecules28031119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/12/2023] [Accepted: 01/16/2023] [Indexed: 01/24/2023] Open
Abstract
Agglomeration is an undesirable phenomenon that often occurs in spray-dried microcapsules powder. The objective of this work is to determine the best solution for spray-dried hydroxypropyl-β-cyclodextrin (HP-β-CD) microcapsules from four anticaking agents, namely calcium stearate (CaSt), magnesium stearate (MgSt), silicon dioxide (SiO2), and mannitol (MAN), and to explore their anticaking mechanisms. Our results showed that MAN was found to be the superior anticaking agent among those tested. When the MAN ratio is 12%, the microcapsules with a special Xanthium-type shape had higher powder flowability and lower hygroscopicity and exhibited good anticaking properties. Mechanism research revealed that CaSt, MgSt, and SiO2 reduce hygroscopicity and caking by increasing the glass transition temperature of the microcapsules, while MAN prevents the hydroxyl group of HP-β-CD from combining with water molecules in the air by a crystal outer-layer on the microcapsule surface.
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Sodeifian G, Usefi MMB. Solubility, Extraction, and Nanoparticles Production in Supercritical Carbon Dioxide: A Mini‐Review. CHEMBIOENG REVIEWS 2022. [DOI: 10.1002/cben.202200020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Gholamhossein Sodeifian
- University of Kashan Faculty of Engineering, Department of Chemical Engineering 87317-53153 Kashan Iran
- University of Kashan Laboratory of Supercritical Fluids and Nanotechnology 87317-53153 Kashan Iran
| | - Mohammad Mahdi Behvand Usefi
- University of Kashan Faculty of Engineering, Department of Chemical Engineering 87317-53153 Kashan Iran
- University of Kashan Laboratory of Supercritical Fluids and Nanotechnology 87317-53153 Kashan Iran
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Wang G, Li Y, Qin Z, Liu T. Nanosizing Coamorphous Drugs Using Top-Down Approach: The Effect of Particle Size Reduction on Dissolution Improvement. AAPS PharmSciTech 2022; 24:14. [PMID: 36478061 DOI: 10.1208/s12249-022-02475-7] [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: 09/06/2022] [Accepted: 11/28/2022] [Indexed: 12/13/2022] Open
Abstract
Nanotechnology and coamorphous are both advanced technologies that can effectively improve the solubility of drugs. This study has been the first attempt to combine these two approaches to construct the coamorphous nanoparticles to improve the dissolution and investigated the effect of physical properties of coamorphous solid on the nanosizing process. Two types of coamorphous solid, i.e., curcumin-artemisinin and quercetin-lysine, were selected as models. Coamorphous curcumin-artemisinin could highly contribute to the size reduction during milling compared to the crystalline form, which might attribute to the change of crystallinity. Nanosized coamorphous curcumin-artemisinin showed higher dissolution than nanocrystals and single coamorphous sample. However, quercetin-lysine coamorphous nanoparticles did not reflect significant dissolution improvement compared with the microsized sample. The difference of initial dissolutions for both could be the main reason. The directly mixing and drying method was confirmed to be an effective and simple approach to maintain the dissolution of nanosized coamorphous sample.
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Affiliation(s)
- Guoliang Wang
- Department of Pharmaceutical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Yanchao Li
- Department of Pharmaceutical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Zhiguo Qin
- Department of Pharmaceutical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Tao Liu
- Department of Pharmaceutical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, China.
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Yassin GE, Khalifa MKA. Development of eplerenone nano sono-crystals using factorial design: enhanced solubility and dissolution rate via anti solvent crystallization technique. Drug Dev Ind Pharm 2022; 48:683-693. [PMID: 36533708 DOI: 10.1080/03639045.2022.2160985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
OBJECTIVE The purpose of this work was to improve EP solubility by using a sono-crystalization approach to reduce particle size and hence, increase the dissolution rate. Significance Eplerenone (EP) is an antagonist of the aldosterone receptor and is used for the treatment of hypertension and chronic heart failure. EP was classed as biopharmaceutical classification (BCS) class II because of its poor solubility and high permeability, which retards dissolution rate and drug absorption, and decreases bioavailability. METHODS Three-factors and two-level (23) multifactorial design have been employed to study the effect of independent variables which are drug concentration; (X1), stabilizer type (X2), and stabilizer concentration (X3) on responses; saturated solubility of EP in distilled water (Y1), saturated solubility in acidic media pH 1.2 (Y2), particle size (Y3), and polydispersity index, PDI (Y4). Also, they were characterized by Fourier transformed infrared spectroscopy (FTIR), Powder X-ray diffraction (PXRD), Differential scanning calorimetry (DSC), and yield percentage. The optimum formula was further subjected to an in-vitro release study. RESULTS The optimized formulation showed a saturated solubility of EP as 1.29, and 1.86 (mg/ml) in distilled water and acidic media (pH 1.2) respectively. Also, the particle size of 133 nm, and PDI of 0.824 with a small percentage of the difference between the observed and predicted values. Ninety-one percent of EP was released within 10 min., and it was completely released within 45 min. with a significantly higher release rate compared to raw drug. CONCLUSION This work resulted in a satisfactory enhancement of solubility and dissolution rate which, is suitable for further in-vivo analysis.
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Affiliation(s)
- Ghada E Yassin
- Department of Pharmaceutics & pharmaceutical technology, Faculty of Pharmacy (girls), Al-Azhar University, Cairo, Egypt.,Department of Pharmaceutics and industrial pharmacy, Faculty of Pharmacy, October University for Modern Science and Art, Giza, Egypt
| | - Maha K A Khalifa
- Department of Pharmaceutics & pharmaceutical technology, Faculty of Pharmacy (girls), Al-Azhar University, Cairo, Egypt
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