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Barghi L, Vekalati A, Jahangiri A. Stability-Enhanced Ternary Solid Dispersions of Glyburide: Effect of Preparation Method on Physicochemical Properties. Adv Pharmacol Pharm Sci 2023; 2023:2641153. [PMID: 37215486 PMCID: PMC10199792 DOI: 10.1155/2023/2641153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 04/04/2023] [Accepted: 05/03/2023] [Indexed: 05/24/2023] Open
Abstract
Introduction Limited aqueous solubility and subsequent poor absorption and low bioavailability are the main challenges in oral drug delivery. Solid dispersion is a widely used formulation strategy to overcome this problem. Despite their efficiency, drug crystallization tendency and poor physical stability limited their commercial use. To overcome this defect, ternary solid dispersions of glyburide: sodium lauryl sulfate (SLS) and polyethylene glycol 4000 (PEG), were developed using the fusion (F) and solvent evaporation (SE) techniques and subsequently evaluated and compared. Materials and Methods Physicochemical and dissolution properties of the prepared ternary solid dispersions were evaluated using differential scanning calorimetry (DSC), infrared spectroscopy (FTIR), and dissolution test. Flow properties were also assessed using Carr's index and Hausner's ratio. The physical stability of the formulations was evaluated initially and after 12 months by comparing dissolution properties. Results Formulations prepared by both methods similarly showed significant improvements in dissolution efficiency and mean dissolution time compared to the pure drug. However, formulations that were prepared by SE showed a greater dissolution rate during the initial phase of dissolution. Also, after a 12-month follow-up, no significant change was observed in the mentioned parameters. The results of the infrared spectroscopy indicated that there was no chemical interaction between the drug and the polymer. The absence of endotherms related to the pure drug from thermograms of the prepared formulations could be indicative of reduced crystallinity or the gradual dissolving of the drug in the molten polymer. Moreover, formulations prepared by the SE technique revealed superior flowability and compressibility in comparison with the pure drug and physical mixture (ANOVA, P < 0.05). Conclusion Efficient ternary solid dispersions of glyburide were successfully prepared by F and SE methods. Solid dispersions prepared by SE, in addition to increasing the dissolution properties and the possibility of improving the bioavailability of the drug, showed acceptable long-term physical stability with remarkably improved flowability and compressibility features.
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Affiliation(s)
- Leila Barghi
- Department of Pharmaceutics, School of Pharmacy, Urmia University of Medical Sciences, Urmia, Iran
| | - Afshin Vekalati
- School of Pharmacy, Urmia University of Medical Sciences, Urmia, Iran
| | - Azin Jahangiri
- Department of Pharmaceutics, School of Pharmacy, Urmia University of Medical Sciences, Urmia, Iran
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Goo YT, Won YH, Hong SH, Choi JY, Sin GH, Kim CH, Jung HM, Choi YW. Optimization of a solidified micelle formulation for enhanced oral bioavailability of atorvastatin calcium using statistical experimental design. Pharm Dev Technol 2023; 28:479-491. [PMID: 37099663 DOI: 10.1080/10837450.2023.2208206] [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: 04/28/2023]
Abstract
To enhance the oral bioavailability of atorvastatin calcium (ATV), a novel solidified micelle (S-micelle) was developed. Two surfactants, Gelucire 48/16 (G48) and Tween 20 (T20), were employed for micelle formation, and two solid carriers (SC), Florite PS-10 (FLO) and Vivapur 105 (VP105), were selected as solid carriers. The S-micelle was optimized using a Box-Behnken design with three independent variables, including G48:T20 (X1, 1.8:1), SC:G48 + T20 (X2, 0.65:1), and FLO:VP105 (X3, 1.4:0.6), resulting in a droplet size (Y1) of 198.4 nm, dissolution efficiency at 15 min in the pH 1.2 medium (Y2) of 47.6%, Carr's index (Y3) of 16.9, and total quantity (Y4) of 562.5 mg. The optimized S-micelle resulted in good correlation showing percentage prediction values less than 10%. The optimized S-micelle formed a nanosized dispersion in the aqueous phase, with a higher dissolution rate than raw ATV and crushed Lipitor®. The optimized S-micelle improved the relative bioavailability of oral ATV (25 mg equivalent/kg) in rats by approximately 509% and 271% compared to raw ATV and crushed Lipitor®, respectively. In conclusion, the optimized S-micelle possesses great potential for the development of solidified formulations for improved oral absorption of poorly water-soluble drugs.
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Affiliation(s)
- Yoon Tae Goo
- College of Pharmacy, Chung-Ang University, 84 Heuksuk-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Yong-Hoon Won
- College of Pharmacy, Chung-Ang University, 84 Heuksuk-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Sun Ho Hong
- College of Pharmacy, Chung-Ang University, 84 Heuksuk-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Ji Yeh Choi
- York University, Department of Psychology, 4700 Keele St., Toronto, Ontario, Canada
| | - Gi Hyeong Sin
- College of Pharmacy, Chung-Ang University, 84 Heuksuk-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Chang Hyun Kim
- College of Pharmacy, Chung-Ang University, 84 Heuksuk-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Hyun Min Jung
- College of Pharmacy, Chung-Ang University, 84 Heuksuk-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Young Wook Choi
- College of Pharmacy, Chung-Ang University, 84 Heuksuk-ro, Dongjak-gu, Seoul 06974, Republic of Korea
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Jadidi A, Ali Shokrgozar M, Sardari S, Mohammad Maadani A. Gefitinib-loaded polydopamine-coated hollow mesoporous silica nanoparticle for gastric cancer application. Int J Pharm 2022; 629:122342. [DOI: 10.1016/j.ijpharm.2022.122342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 10/21/2022] [Accepted: 10/22/2022] [Indexed: 11/06/2022]
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Bahetibieke S, Moinuddin SM, Baiyisaiti A, Liu X, Zhang J, Liu G, Shi Q, Peng A, Tao J, Di C, Cai T, Qi R. Co-Amorphous Formation of Simvastatin-Ezetimibe: Enhanced Physical Stability, Bioavailability and Cholesterol-Lowering Effects in LDLr-/-Mice. Pharmaceutics 2022; 14:pharmaceutics14061258. [PMID: 35745830 PMCID: PMC9230881 DOI: 10.3390/pharmaceutics14061258] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/27/2022] [Accepted: 05/28/2022] [Indexed: 02/04/2023] Open
Abstract
Hypercholesterolemia is one of the independent risk factors for the development of cardiovascular diseases such as atherosclerosis. The treatment of hypercholesterolemia is of great significance to reduce clinical cardiovascular events and patient mortality. Simvastatin (SIM) and ezetimibe (EZE) are commonly used clinically as cholesterol-lowering drugs; however, their treatment efficacy is severely affected by their poor water solubility and low bioavailability. In this study, SIM and EZE were made into a co-amorphous system to improve their dissolution, oral bioavailability, storage stability, and cholesterol-lowering effects. The SIM-EZE co-amorphous solids (CO) were prepared successfully using the melt-quenched technique, and the physicochemical properties of CO were characterized accordingly, which exhibited improved physical stability and faster dissolution release profiles than their physical mixture (PM). In the pharmacokinetic study, the SIM-EZE CO or PM was given once by oral gavage, and mouse blood samples were collected retro-orbitally at multiple time points to determine the plasma drug concentrations. In the pharmacodynamic study, low-density lipoprotein receptor-deficient (LDLr−/−) mice were fed with a high-fat diet (HFD) for two weeks to establish a mouse model of hypercholesterolemia. Using PM as a control, we investigated the regulation of CO on plasma lipid levels in mice. Furthermore, the mice feces were collected to determine the cholesterol contents. Besides, the effect of EZE on the NPC1L1 mRNA expression level in the mouse intestines was also investigated. The pharmacokinetics results showed that the SIM-EZE CO has improved bioavailability compared to the PM. The pharmacodynamic studies showed that SIM-EZE CO significantly increased the cholesterol-lowering effects of the drugs compared to their PM. The total cholesterol excretion in the mouse feces and inhibitory effect on NCP1L1 gene expression in the mouse intestines after being given the SIM-EZE CO were more dramatic than the PM. Our study shows that the SIM-EZE CO prepared by the melt-quenched method can significantly improve the stability, bioavailability, and cholesterol-lowering efficacy with excellent development potential as a new drug formulation.
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Affiliation(s)
- Shamuha Bahetibieke
- Department of Pharmacology, School of Basic Medical Sciences, Peking University Health Science Center, 38 Xueyuan Road, Haidian District, Beijing 100191, China; (S.B.); (A.B.); (X.L.); (A.P.); (C.D.)
| | - Sakib M. Moinuddin
- School of Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Xuanwu District, Nanjing 210009, China; (S.M.M.); (J.Z.); (G.L.); (Q.S.); (J.T.)
- College of Pharmacy, California Northstate University, 9700 West Taron Drive, Elk Grove, CA 95757, USA
| | - Asiya Baiyisaiti
- Department of Pharmacology, School of Basic Medical Sciences, Peking University Health Science Center, 38 Xueyuan Road, Haidian District, Beijing 100191, China; (S.B.); (A.B.); (X.L.); (A.P.); (C.D.)
- School of Pharmacy, Shihezi University, Shihezi 832000, China
| | - Xiaoang Liu
- Department of Pharmacology, School of Basic Medical Sciences, Peking University Health Science Center, 38 Xueyuan Road, Haidian District, Beijing 100191, China; (S.B.); (A.B.); (X.L.); (A.P.); (C.D.)
- School of Pharmacy, Shihezi University, Shihezi 832000, China
| | - Jie Zhang
- School of Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Xuanwu District, Nanjing 210009, China; (S.M.M.); (J.Z.); (G.L.); (Q.S.); (J.T.)
| | - Guomin Liu
- School of Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Xuanwu District, Nanjing 210009, China; (S.M.M.); (J.Z.); (G.L.); (Q.S.); (J.T.)
| | - Qin Shi
- School of Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Xuanwu District, Nanjing 210009, China; (S.M.M.); (J.Z.); (G.L.); (Q.S.); (J.T.)
| | - Ankang Peng
- Department of Pharmacology, School of Basic Medical Sciences, Peking University Health Science Center, 38 Xueyuan Road, Haidian District, Beijing 100191, China; (S.B.); (A.B.); (X.L.); (A.P.); (C.D.)
| | - Jun Tao
- School of Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Xuanwu District, Nanjing 210009, China; (S.M.M.); (J.Z.); (G.L.); (Q.S.); (J.T.)
| | - Chang Di
- Department of Pharmacology, School of Basic Medical Sciences, Peking University Health Science Center, 38 Xueyuan Road, Haidian District, Beijing 100191, China; (S.B.); (A.B.); (X.L.); (A.P.); (C.D.)
| | - Ting Cai
- School of Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Xuanwu District, Nanjing 210009, China; (S.M.M.); (J.Z.); (G.L.); (Q.S.); (J.T.)
- Correspondence: (T.C.); (R.Q.); Tel./Fax: +86-25-86185516 (T.C.); +86-10-8280-5164 (R.Q.)
| | - Rong Qi
- Department of Pharmacology, School of Basic Medical Sciences, Peking University Health Science Center, 38 Xueyuan Road, Haidian District, Beijing 100191, China; (S.B.); (A.B.); (X.L.); (A.P.); (C.D.)
- School of Pharmacy, Shihezi University, Shihezi 832000, China
- Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, 38 Xueyuan Road, Haidian District, Beijing 100191, China
- NHC Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, 38 Xueyuan Road, Haidian District, Beijing 100191, China
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug Delivery Systems, 38 Xueyuan Road, Haidian District, Beijing 100191, China
- Correspondence: (T.C.); (R.Q.); Tel./Fax: +86-25-86185516 (T.C.); +86-10-8280-5164 (R.Q.)
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Dayar E, Pechanova O. Targeted Strategy in Lipid-Lowering Therapy. Biomedicines 2022; 10:1090. [PMID: 35625827 PMCID: PMC9138651 DOI: 10.3390/biomedicines10051090] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/02/2022] [Accepted: 05/03/2022] [Indexed: 01/25/2023] Open
Abstract
Dyslipidemia is characterized by a diminished lipid profile, including increased level of total cholesterol and low-density lipoprotein cholesterol (LDL-c) and reduced level of high-density lipoprotein cholesterol (HDL-c). Lipid-lowering agents represent an efficient tool for the prevention or reduction of progression of atherosclerosis, coronary heart diseases and metabolic syndrome. Statins, ezetimibe, and recently proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors are the most effective and used drugs in clinical lipid-lowering therapy. These drugs are mainly aimed to lower cholesterol levels by different mechanisms of actions. Statins, the agents of the first-line therapy-known as 3-hydroxy-3-methylglutaryl-CoA (HMG-CoA) reductase inhibitors-suppress the liver cholesterol synthesis. Ezetimibe as the second-line therapy can decrease cholesterol by inhibiting cholesterol absorption. Finally, the PCSK9 inhibitors act as an inducer of LDL excretion. In spite of their beneficial lipid-lowering properties, many patients suffer from their serious side effects, route of administration, or unsatisfactory physicochemical characteristics. Clinical demand for dose reduction and the improvement of bioavailability as well as pharmacodynamic and pharmacokinetic profile has resulted in the development of a new targeted therapy that includes nanoparticle carriers, emulsions or vaccination often associated with another more subtle form of administration. Targeted therapy aims to exert a more potent drug profile with lipid-lowering properties either alone or in mutual combination to potentiate their beneficial effects. This review describes the most effective lipid-lowering drugs, their favorable and adverse effects, as well as targeted therapy and alternative treatments to help reduce or prevent atherosclerotic processes and cardiovascular events.
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Affiliation(s)
| | - Olga Pechanova
- Institute of Normal and Pathological Physiology, Centre of Experimental Medicine, Slovak Academy of Sciences, Sienkiewiczova 1, 813 71 Bratislava, Slovakia;
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Development and Characterization of Eudragit ® EPO-Based Solid Dispersion of Rosuvastatin Calcium to Foresee the Impact on Solubility, Dissolution and Antihyperlipidemic Activity. Pharmaceuticals (Basel) 2022; 15:ph15040492. [PMID: 35455489 PMCID: PMC9025505 DOI: 10.3390/ph15040492] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 04/01/2022] [Accepted: 04/05/2022] [Indexed: 02/05/2023] Open
Abstract
Poor solubility is the major challenge involved in the formulation development of new chemical entities (NCEs), as more than 40% of NCEs are practically insoluble in water. Solid dispersion (SD) is a promising technology for improving dissolution and, thereby, the bioavailability of poorly soluble drugs. This study investigates the influence of a pH-sensitive acrylate polymer, EPO, on the physicochemical properties of rosuvastatin calcium, an antihyperlipidemic drug. In silico docking was conducted with numerous polymers to predict drug polymer miscibility. The screened-out polymer was used to fabricate the binary SD of RoC in variable ratios using the co-grinding and solvent evaporation methods. The prepared formulations were assessed for physiochemical parameters such as saturation solubility, drug content and in vitro drug release. The optimized formulations were further ruled out using solid-state characterization (FTIR, DSC, XRD and SEM) and in vitro cytotoxicity. The results revealed that all SDs profoundly increased solubility as well as drug release. However, the formulation RSE-2, with a remarkable 71.88-fold increase in solubility, presented 92% of drug release in the initial 5 min. The molecular interaction studied using FTIR, XRD, DSC and SEM analysis evidenced the improvement of in vitro dissolution. The enhancement in solubility of RoC may be important for the modulation of the dyslipidemia response. Therefore, pharmacodynamic activity was conducted for optimized formulations. Our findings suggested an ameliorative effect of RSE-2 in dyslipidemia and its associated complications. Moreover, RSE-2 exhibited nonexistence of cytotoxicity against human liver cell lines. Convincingly, this study demonstrates that SD of RoC can be successfully fabricated by EPO, and have all the characteristics that are favourable for superior dissolution and better therapeutic response to the drug.
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Effects of Erchen Decoction on Oxidative Stress-Related Cytochrome P450 Metabolites of Arachidonic Acid in Dyslipidemic Mice with Phlegm-Dampness Retention Syndrome: A Randomized, Controlled Trial on the Correspondence between Prescription and Syndrome. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:1079803. [PMID: 35392646 PMCID: PMC8983189 DOI: 10.1155/2022/1079803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 02/28/2022] [Indexed: 12/24/2022]
Abstract
Phlegm-dampness retention (PDR) syndrome is one of the main syndromes of dyslipidemia. This study investigated the effects of Erchen decoction (ECD) on concentrations of two oxidative stress-related cytochrome P450 (CYP450) metabolites of arachidonic acid—14,15-dihydroxyeicosatrienoic acid (14,15-DHET) and 20-hydroxyeicosatetraenoic acid (20-HETE)—in mice with dyslipidemia and phlegm-dampness retention (PDR) syndrome (n = 5 C57BL/6J mice and n = 30 apolipoprotein E knockout mice). Murine models of the disease and syndrome were established using multifactor stimulation. Then, all mice were assigned to normal, model, low- (L-), medium- (M-), or high- (H-) dose ECD groups or to a control or an unmatched prescription-syndrome (unmatched P-S) group; five mice were included in each group. Dose formulations were administered by oral gavage for 30 days to animals in the corresponding groups. We detected and analyzed hematoxylin and eosin (HE) staining characteristics of the mouse aorta and serum total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), peroxynitrite (ONOO−), 14,15-DHET, and 20-HETE concentrations in each group. TC and LDL-C concentrations significantly decreased in the M-ECD versus control group (P < 0.05); however, the TC and LDL-C concentrations were not significantly different in the unmatched P-S versus model group (P > 0.05). After treatment in the P-S correspondence groups (L-ECD, M-ECD, and H-ECD groups), the concentration of ONOO− decreased to different degrees in each group. Among these groups, the concentration of ONOO− significantly decreased in the L-ECD, M-ECD, and H-ECD groups versus the model group (P < 0.05). However, the concentration of ONOO− was not significantly different in the unmatched P-S versus the model group (P > 0.05). From the perspective of aortic HE staining, the P-S group experienced an improved endothelium structure after treatment. 14,15-DHET concentrations significantly increased in the normal, M-ECD, and H-ECD groups versus the model group; in the H-ECD versus the L-ECD group; and in the H-ECD versus the control group (all P < 0.05) to various extents after different doses of the prescription. 20-HETE concentrations pronouncedly decreased in the M-ECD versus normal group; in the M- and H-ECD groups versus the model group; in the M-ECD versus the L-ECD group; in the M-ECD versus the control group; and in the M-ECD versus the unmatched P-S (P < 0.05). However, the concentrations of 14,15-DHET and 20-HETE in the model group were not significantly different from those of the unmatched P-S (P > 0.05). In this study, ECD reversed blood lipid indexes and ameliorated oxidative stress-related metabolites, elevating serum 14,15-DHET and lowering serum 20-HETE in mice with dyslipidemia and PDR syndrome via CYP450 pathways of arachidonic acid metabolism. The efficacy of ECD relies on correspondence between the prescription and the syndrome. These findings scientifically validate the treatment according to traditional Chinese medicine syndrome differentiation. ECD can strengthen the protective effect on the vascular endothelium by driving out pathogenic factors and strengthening healthy resistance. Its efficacy may be related to the adjustment of the polarization state of macrophages.
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Banik S, Sato H, Onoue S. Self-micellizing solid dispersion of atorvastatin with improved physicochemical stability and oral absorption. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2021.103065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Fayed ND, Goda AE, Essa EA, El Maghraby GM. Chitosan-encapsulated niosomes for enhanced oral delivery of atorvastatin. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102866] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Supersaturating drug delivery systems containing fixed-dose combination of two antihypertensive drugs: Formulation, in vitro evaluation and molecular metadynamics simulations. Eur J Pharm Sci 2021; 163:105860. [PMID: 33901683 DOI: 10.1016/j.ejps.2021.105860] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 03/26/2021] [Accepted: 04/19/2021] [Indexed: 11/22/2022]
Abstract
The purpose of this study was to associate the poorly water-soluble antihypertensive drugs candesartan cilexetil (CC) and hydrochlorothiazide (HCTZ) as fixed-dose combination, in the form of ternary Amorphous Solid Dispersions (ASD), using hydroxypropylmethylcellulose acetate succinate (HPMCAS) type M as polymeric carrier. The potential of the system to generate and to maintain supersaturation of both drugs was also evaluated. The ASDs were prepared by ball milling technique and solid-state characterization was performed by differential scanning calorimetry (DSC), Fourier transformed infrared spectroscopy (FTIR) and X-ray powder diffraction (XRPD). Interaction between drugs and polymer in solid-state was evaluated by molecular metadynamics simulations. In vitro supersaturation profiles were determined in biorelevant medium. Physicochemical stability of ASDs was also evaluated under different storage conditions. Amorphization of both drugs was confirmed by solid-state characterization techniques. Molecular metadynamics simulations indicated that CC has stronger interaction with HMPCAS than HCTZ. In vitro supersaturation studies have shown that ternary ASDs could generate and maintain supersaturation of both drugs in biorelevant medium. The polymer reduced the desupersaturation of both drugs. Ternary ASDs also showed physicochemical stability over a period of 90 days, demonstrating the potential of the polymer in reducing the drugs recrystallization over the time. Ternary ASDs of CC, HCTZ and HPMCAS can be considered a promising system to associate the drugs as fixed-dose combinations. Also, these systems generate and maintain supersaturation of both drugs in biorelevant medium, with great storage stability. HPMCAS M was a good carrier for reducing the desupersaturation of associated HCTZ and CC.
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Torrado-Salmerón C, Guarnizo-Herrero V, Henriques J, Seiça R, Sena CM, Torrado-Santiago S. Multiparticulate Systems of Ezetimibe Micellar System and Atorvastatin Solid Dispersion Efficacy of Low-Dose Ezetimibe/Atorvastatin on High-Fat Diet-Induced Hyperlipidemia and Hepatic Steatosis in Diabetic Rats. Pharmaceutics 2021; 13:421. [PMID: 33804727 PMCID: PMC8004026 DOI: 10.3390/pharmaceutics13030421] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/17/2021] [Accepted: 03/17/2021] [Indexed: 12/31/2022] Open
Abstract
The aim of this study was to develop multiparticulate systems with a combination of ezetimibe micellar systems and atorvastatin solid dispersions using croscarmellose as a hydrophilic vehicle and Kolliphor RH40 as a surfactant. The presence of a surfactant with low hydrophilic polymer ratios produces the rapid dissolution of ezetimibe through a drug-polymer interaction that reduces its crystallinity. The solid dispersion of atorvastatin with low proportions of croscarmellose showed drug-polymer interactions sufficient to produce the fast dissolution of atorvastatin. Efficacy studies were performed in diabetic Goto-Kakizaki rats with induced hyperlipidemia. The administration of multiparticulate systems of ezetimibe and atorvastatin at low (2 and 6.7 mg/kg) and high (3 and 10 mg/kg) doses showed similar improvements in levels of cholesterol, triglycerides, lipoproteins, alanine transaminase, and aspartate transaminase compared to the high-fat diet group. Multiparticulate systems at low doses (2 and 6.7 mg/kg of ezetimibe and atorvastatin) had a similar improvement in hepatic steatosis compared to the administration of ezetimibe and atorvastatin raw materials at high doses (3 and 10 mg/kg). These results confirm the effectiveness of solid dispersions with low doses of ezetimibe and atorvastatin to reduce high lipid levels and hepatic steatosis in diabetic rats fed a high-fat diet.
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Affiliation(s)
- Carlos Torrado-Salmerón
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; (C.T.-S.); (V.G.-H.)
| | - Víctor Guarnizo-Herrero
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; (C.T.-S.); (V.G.-H.)
| | - Joana Henriques
- Institute of Physiology, Faculty of Medicine, University of Coimbra, 3000‐548 Coimbra, Portugal; (J.H.); (R.S.); (C.M.S.)
- Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548 Coimbra, Portugal
| | - Raquel Seiça
- Institute of Physiology, Faculty of Medicine, University of Coimbra, 3000‐548 Coimbra, Portugal; (J.H.); (R.S.); (C.M.S.)
- Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548 Coimbra, Portugal
| | - Cristina M. Sena
- Institute of Physiology, Faculty of Medicine, University of Coimbra, 3000‐548 Coimbra, Portugal; (J.H.); (R.S.); (C.M.S.)
- Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548 Coimbra, Portugal
| | - Santiago Torrado-Santiago
- Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; (C.T.-S.); (V.G.-H.)
- Instituto Universitario de Farmacia Industrial (IUFI), Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
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Arafa MF, Alshaikh RA, Abdelquader MM, El Maghraby GM. Co-processing of Atorvastatin and Ezetimibe for Enhanced Dissolution Rate: In Vitro and In Vivo Correlation. AAPS PharmSciTech 2021; 22:59. [PMID: 33517486 DOI: 10.1208/s12249-021-01925-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 01/07/2021] [Indexed: 12/26/2022] Open
Abstract
Development of fixed dose combinations is growing and many of these drug combinations are being legally marketed. However, the development of these requires careful investigation of possible physicochemical changes during co-processing. This requires investigation of the effect of co-processing of drug combination in absence of excipients to maximize the chance of interaction (if any). Accordingly, the aim was to investigate the effect of co-processing of ezetimibe and atorvastatin on drugs dissolution rate. The objective was extended to in vitro in vivo correlation. Drugs were subjected to wet co-processing in presence of ethanol after being mixed at different ratios. The prepared formulations were characterized using FTIR spectroscopy, X-ray powder diffraction, differential scanning calorimetry, scanning electron microscopy, and in vitro dissolution testing. These investigations proved the possibility of eutectic system formation after drugs co-processing. This was reflected on drugs dissolution rate which was significantly enhanced at dose ratio and 2:1 atorvastatin:ezetimibe molar ratio compared to the corresponding pure drugs. In vivo antihyperlipidemic effects of the co-processed drugs were monitored in albino mice which were subjected to hyperlipidemia induction using poloxamer 407. The results showed significant enhancement in pharmacological activity as revealed from pronounced reduction in cholesterol level in mice administering the co-processed form of both drugs. Besides, histopathological examinations of the liver showed marked decrease in hepatic vacuolation. In conclusion, co-processing of atorvastatin with ezetimibe resulted in beneficial eutexia which hastened the dissolution rate and pharmacological effects of both drugs.Graphical abstract.
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da Silva Oliveira V, Dantas ED, de Sousa Queiroz AT, de Freitas Oliveira JW, de Sousa da Silva M, Ferreira PG, de Carvalho da Siva F, Ferreira VF, de Lima ÁAN. Novel Solid Dispersions of Naphthoquinone Using Different Polymers for Improvement of Antichagasic Activity. Pharmaceutics 2020; 12:pharmaceutics12121136. [PMID: 33255502 PMCID: PMC7760255 DOI: 10.3390/pharmaceutics12121136] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 11/19/2020] [Accepted: 11/20/2020] [Indexed: 11/17/2022] Open
Abstract
IVS320 (3a,10b-dihydro-1H-cyclopenta[b]naphtho[2,3-d]furan-5,10-dione) is a naphthoquinone that has low solubility in aqueous medium, a physical behavior that limits its biological activities, considering that compounds from this class have several activities. In this work, solid dispersions (SDs) prepared between IVS320 and polymers hydroxypropyl methylcellulose (HPMC), polyethylene glycol (PEG), and polyvinylpyrrolidone (PVP) were developed using physical mixture (PM), kneading (KN), and rotary evaporation (RE) methods. Dispersions were investigated using Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), thermogravimetry (TG), powder X-ray diffraction (PXRD), and scanning electron microscopy (SEM). In addition, in vitro antiparasitic activity in Trypanosoma cruzi Y strains was evaluated. Physical-chemical characterization demonstrated the formation of SDs through the interaction of IVS320 with polymeric matrices. SDs of IVS320-polymer presented a significant potentiation of antichagasic activity, with inhibitory growth around 62% (IVS320-HPMC/RE), 55% (IVS320-PEG/RE), and 85% (IVS320-PVP/RE), while pure IVS320 showed a value of 48% for the highest concentrations evaluated (50 µg/mL).
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Affiliation(s)
- Verônica da Silva Oliveira
- Department of Pharmacy, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte 59012-570, Brazil; (V.d.S.O.); (E.D.D.); (A.T.d.S.Q.); (J.W.d.F.O.); (M.d.S.d.S.)
| | - Elen Diana Dantas
- Department of Pharmacy, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte 59012-570, Brazil; (V.d.S.O.); (E.D.D.); (A.T.d.S.Q.); (J.W.d.F.O.); (M.d.S.d.S.)
| | - Anna Thereza de Sousa Queiroz
- Department of Pharmacy, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte 59012-570, Brazil; (V.d.S.O.); (E.D.D.); (A.T.d.S.Q.); (J.W.d.F.O.); (M.d.S.d.S.)
| | - Johny Wysllas de Freitas Oliveira
- Department of Pharmacy, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte 59012-570, Brazil; (V.d.S.O.); (E.D.D.); (A.T.d.S.Q.); (J.W.d.F.O.); (M.d.S.d.S.)
| | - Marcelo de Sousa da Silva
- Department of Pharmacy, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte 59012-570, Brazil; (V.d.S.O.); (E.D.D.); (A.T.d.S.Q.); (J.W.d.F.O.); (M.d.S.d.S.)
- Global Health and Tropical Medicine, Institute of Hygiene and Tropical Medicine, NOVA University Lisbon, 1800-166 Lisbon, Portugal
| | - Patricia Garcia Ferreira
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Federal Fluminense University, Niterói, Rio de Janeiro 24241-002, Brazil; (P.G.F.); (V.F.F.)
| | | | - Vitor Francisco Ferreira
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Federal Fluminense University, Niterói, Rio de Janeiro 24241-002, Brazil; (P.G.F.); (V.F.F.)
| | - Ádley Antonini Neves de Lima
- Department of Pharmacy, Health Sciences Center, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte 59012-570, Brazil; (V.d.S.O.); (E.D.D.); (A.T.d.S.Q.); (J.W.d.F.O.); (M.d.S.d.S.)
- Correspondence: ; Tel.: +55-84-99928-8864
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Castañeda PS, Domínguez Delgado CL, Cruz IMR, Contreras LMM, Trinidad EMM, Cervantes ML, Escobar-Chávez JJ. Development of Poly (Methyl vinyl ether-alt-maleic acid) Microneedles for Transdermal Delivery of Atorvastatin Calcium. Curr Pharm Biotechnol 2020; 21:852-861. [PMID: 32065098 DOI: 10.2174/1389201021666200217103302] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 11/07/2019] [Accepted: 01/24/2020] [Indexed: 02/06/2023]
Abstract
AIMS Biodegradable polymeric microneedles containing atorvastatin calcium were developed in order to improve the percutaneous absorption of the drug, useful for the treatment of hypercholesterolemia. BACKGROUND The use of physical enhancers like microneedles have shown good results to increase the delivery of drugs through the skin, the use of microneedles has very important advantages for transdermal drug delivery, for example, they are painless, easy to use and safe, they increase time interval of drug activity, dose, and reductions in adverse reactions, they also offer, the facility to remove the system instantly of the skin. OBJECTIVE Develop polymer microneedles loaded with a calcium atorvastatin and evaluate them by Differential Scanning Calorimetry (DSC), Scanning Electron Microscopy (SEM), bioadhesion, postwetting- bioadhesion, breaking strength, drug release test and in vitro percutaneous absorption studies to demonstrate the use of microneedles atorvastatin is able to cross the skin. METHODS The microneedles were made with poly (methyl vinyl ether-alt-maleic acid) as biodegradable polymer using the technique of casting in solution in a mold. After solidification these microneedles were characterized by Differential Scanning Calorimetry (DSC), Scanning Electron Microscopy (SEM), bioadhesion, post-wetting-bioadhesion, breaking strength, drug release test and in vitro percutaneous absorption studies. RESULTS In general, the performances were satisfactory for optimal formulation in terms of DSC with no interactions between drug and excipients, SEM shows microneedles with a conical shape, bioadhesion of 1570 g.f, post wetting-bioadhesion of 1503.4 g.f, breaking strength of 1566.7g.f that is sufficient to disrupt Stratum corneum, good drug release and a flux of 33.4 μg/cm2*h with a tLag of 15.14 h for the in vitro percutaneous absorption. CONCLUSION The results indicate that it is possible to generate microneedles to increase the percutaneous absorption of calcium atorvastatin transdermally, with the potential to be used as an alternative to the oral route for the treatment of dyslipidemias.
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Affiliation(s)
- Pablo S Castañeda
- Unidad de Investigacion Multidisciplinaria. Laboratorio 12: Sistemas transdermicos, Facultad de Estudios Superiores Cuautitlan-Universidad Nacional Autonoma de Mexico (FESC-UNAM), Carretera Cuautitlan Teoloyucan km 2.5, San Sebastian Xhala C.P. 54714, Cuautitlan Izcalli, Mexico
| | - Clara L Domínguez Delgado
- College of Pharmacy, The University of Texas at Austin, 2409 West University Avenue, PHR 4.214, Austin, Texas 78712, United States
| | - Isabel M R Cruz
- Unidad de Investigacion y Ensenanza, Hospital Regional de Alta Especialidad de Zumpango, Autopista Zumpango-Jilotzingo # 400, Barrio de Santiago 2a seccion, C.P. 55600, Zumpango, Mexico
| | - Luz M M Contreras
- Departamento de Sistemas Biologicos, Universidad Autonoma Metropolitana-Xochimilco, Calzada del Hueso 1100, Colonia Villa Quietud, C.P. 04960, Ciudad de Mexico, United States
| | - Eva M M Trinidad
- Area Academica de Medicina, Universidad Autonoma del Estado de Hidalgo, Circuito ex-Hacienda de la Concepcion, Lote 17, San Juan Tilcuautla, Municipio de San Agustin Tlaxiaca, C.P. 42160, Estado de Hidalgo, Mexico
| | - Miriam L Cervantes
- Unidad de Investigacion Multidisciplinaria. Laboratorio 12: Sistemas transdermicos, Facultad de Estudios Superiores Cuautitlan-Universidad Nacional Autonoma de Mexico (FESC-UNAM), Carretera Cuautitlan Teoloyucan km 2.5, San Sebastian Xhala C.P. 54714, Cuautitlan Izcalli, Mexico
| | - José J Escobar-Chávez
- Unidad de Investigacion Multidisciplinaria. Laboratorio 12: Sistemas transdermicos, Facultad de Estudios Superiores Cuautitlan-Universidad Nacional Autonoma de Mexico (FESC-UNAM), Carretera Cuautitlan Teoloyucan km 2.5, San Sebastian Xhala C.P. 54714, Cuautitlan Izcalli, Mexico
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Self-Micellizing Technology Improves the Properties of Ezetimibe and Increases Its Effect on Hyperlipidemic Rats. Pharmaceutics 2019; 11:pharmaceutics11120647. [PMID: 31817021 PMCID: PMC6956093 DOI: 10.3390/pharmaceutics11120647] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 11/22/2019] [Accepted: 11/29/2019] [Indexed: 01/02/2023] Open
Abstract
The aim of this work was to develop ezetimibe self-micellizing solid dispersions using Kolliphor® RH40 (MS-K) as a surfactant incorporating ezetimibe (EZ) into the croscarmellose hydrophilic carrier. Different ezetimibe:Kolliphor® ratios were studied to select micellar systems that improve the dissolution properties of ezetimibe. The different formulations were characterized by means of solid state analysis by SEM, powder X-ray diffraction (PXRD), differential scanning calorimetry (DSC), and dissolution studies. These physicochemical studies showed a decrease from the crystalline structure of ezetimibe (EZ) to its amorphous state in the micellar systems (MS-K). A rapid dissolution profile was observed in these micellar systems compared to the drug raw material and physical mixture. Efficacy studies were conducted using a high-fat diet that induced hyperlipidemic rats. The micellar system selected (MS-K 1:0.75) revealed a significant improvement in serum levels of total cholesterol (TC), low-density lipoproteins (LDL), and triglycerides (TG) compared to ezetimibe raw material. The histopathological examination of liver tissue also showed that this micellar system exhibited more beneficial effects on liver steatosis compared to ezetimibe raw material (EZ-RM) and the high-fat diet group (HFD). This study suggests that EZ micellar systems using Kolliphor® RH40 could enhance the antihyperlipidemic effect of ezetimibe and reduce liver steatosis.
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Kwon J, Giri BR, Song ES, Bae J, Lee J, Kim DW. Spray-Dried Amorphous Solid Dispersions of Atorvastatin Calcium for Improved Supersaturation and Oral Bioavailability. Pharmaceutics 2019; 11:E461. [PMID: 31500147 PMCID: PMC6781288 DOI: 10.3390/pharmaceutics11090461] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 08/30/2019] [Accepted: 09/04/2019] [Indexed: 02/06/2023] Open
Abstract
Over the past few decades, the amorphous solid dispersions (ASDs) technique has emerged as a promising strategy to enhance the in vitro/in vivo characteristic of hydrophobic drugs. The low aqueous solubility and poor bioavailability of atorvastatin calcium (ATO), a lipid-lowering drug, present challenges for effective drug delivery. The objective of this work was to improve the aqueous solubility, in vitro dissolution, and oral absorption of ATO with amorphous solid dispersion technique prepared by spray-drying method. The optimized ternary formulation comprising of ATO; hydroxypropyl methylcellulose (HPMC), as a hydrophilic polymer; and sodium lauryl sulfate (SLS), as a surfactant, at a weight ratio of 1/1/0.1, showed significant improvement in aqueous solubility by ~18-fold compared to that of the free drug, and a cumulative release of 94.09% compared to a release of 59.32% of the free drug. Further, physicochemical studies via scanning electron microscopy, differential scanning calorimetry, and powder X-ray diffraction revealed a change from the crystalline state of the free drug to its amorphous state in the ASD. Pharmacokinetic analysis in rats demonstrated 1.68- and 2.39-fold increments in AUC and Cmax, respectively, in the ASD over the free drug. Altogether, hydrophilic carrier-based ASDs prepared by the spray-drying technique represent a promising strategy to improve the biopharmaceutical performance of poorly soluble drugs.
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Affiliation(s)
- Jaewook Kwon
- College of Pharmacy & Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea
| | - Bhupendra Raj Giri
- College of Pharmacy & Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea
| | - Eon Soo Song
- College of Pharmacy & Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea
| | - Jinju Bae
- College of Pharmacy & Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea
| | - Junseong Lee
- College of Pharmacy & Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea
| | - Dong Wuk Kim
- College of Pharmacy & Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea.
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Kong R, Zhu X, Meteleva ES, Polyakov NE, Khvostov MV, Baev DS, Tolstikova TG, Dushkin AV, Su W. Atorvastatin calcium inclusion complexation with polysaccharide arabinogalactan and saponin disodium glycyrrhizate for increasing of solubility and bioavailability. Drug Deliv Transl Res 2018; 8:1200-1213. [PMID: 30039497 DOI: 10.1007/s13346-018-0565-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The aim of the present investigation was to enhance the solubility and dissolution of atorvastatin calcium (ATV), a poorly water-soluble drug with larch polysaccharide arabinogalactan (AG) and disodium glycyrrhizate (Na2GA) as carriers of drug delivery systems for improving its bioavailability. The interactions of ATV with AG or Na2GA were investigated by DSC, XRD, SEM, and NMR techniques. The molecular weights of supramolecular systems-inclusion complexes and micelles-which are the hosts for ATV molecules were measured. On the other hand, the rapid storage assay (+ 40 °C for 3 months) showed that the chemical stability of ATV/AG and ATV/Na2GA complexes had been enhanced compared with pure ATV. In vitro drug release showed a significant increase in ATV's dissolution rate after formation of a complex with Na2GA or AG. Pharmacokinetic tests in vivo on laboratory animals showed a significant increase in ATV's bioavailability after its introduction as a complex with Na2GA or AG. Moreover, ATV/AG and ATV/Na2GA complexes showed a more prominent decrease of total cholesterol (TC) level compared to net ATV. Therefore, the novel mechanochemically synthesized complexes of ATV with AG or Na2GA as drug delivery systems might be potential and promising candidates for hypercholesterolemia treatment and deserved further researches.
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Affiliation(s)
- Ruiping Kong
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Xingyi Zhu
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Elizaveta S Meteleva
- Institute of Solid State Chemistry and Mechanochemistry, SB RAS, Novosibirsk, Russia, 630128
| | - Nikolay E Polyakov
- Institute of Chemical Kinetics and Combustion, SB RAS, Novosibirsk, Russia
| | - Mikhail V Khvostov
- N.N. Vorozhtsov Institute of Organic Chemistry, SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Dmitry S Baev
- N.N. Vorozhtsov Institute of Organic Chemistry, SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Tatjana G Tolstikova
- N.N. Vorozhtsov Institute of Organic Chemistry, SB RAS, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Alexander V Dushkin
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China.
- Institute of Solid State Chemistry and Mechanochemistry, SB RAS, Novosibirsk, Russia, 630128.
| | - Weike Su
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China.
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Dong W, Su X, Xu M, Hu M, Sun Y, Zhang P. Preparation, characterization, and in vitro/vivo evaluation of polymer-assisting formulation of atorvastatin calcium based on solid dispersion technique. Asian J Pharm Sci 2018; 13:546-554. [PMID: 32211078 PMCID: PMC7081932 DOI: 10.1016/j.ajps.2018.08.010] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 08/04/2018] [Accepted: 08/17/2018] [Indexed: 11/29/2022] Open
Abstract
Due to low solubility and bioavailability, atorvastatin calcium is confronted with challenge in conceiving appropriate formulation. Solid dispersion of atorvastatin calcium was prepared through the solvent evaporation method, with Poloxamer 188 as hydrophilic carriers. This formulation was then characterized by scanning electron microscopy, differential scanning calorimetry, powder X-ray diffraction and fourier transform infrared spectroscopy. Moreover, all these studies suggested the conversion of crystalline atorvastatin calcium. In addition, the drug solubility studies as well as dissolution rates compared with bulk drug and market tablets Lipitor were also examined. Furthermore, the study investigated the pharmacokinetics after oral administration of Lipitor and solid dispersion. And the AUC0–8 h and Cmax increased after taking ATC-P188 solid dispersion orally compared with that of Lipitor. All these could be demonstrated that ATC-P188 solid dispersions would be prospective means for enhancing higher oral bioavailability of ATC.
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Affiliation(s)
| | | | | | | | | | - Peng Zhang
- Corresponding author. Shenyang Pharmaceutical University, No.103, Wenhua Road, Shenyang 110016, China. Tel.:+86 24 43520509
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Investigation of supersaturation and in vitro permeation of the poorly water soluble drug ezetimibe. Eur J Pharm Sci 2018; 117:147-153. [DOI: 10.1016/j.ejps.2018.01.047] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 01/30/2018] [Accepted: 01/31/2018] [Indexed: 11/19/2022]
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Liu Y, Wang X, Liu Y, Di X. Thermosensitive In Situ Gel Based on Solid Dispersion for Rectal Delivery of Ibuprofen. AAPS PharmSciTech 2018; 19:338-347. [PMID: 28733828 DOI: 10.1208/s12249-017-0839-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Accepted: 06/19/2017] [Indexed: 02/06/2023] Open
Abstract
The objective of this study was to develop a thermosensitive in situ gel based on solid dispersions (SDs) for rectal delivery of ibuprofen (IBU). Thermosensitive (poloxamer 407) and mucoadhesive (hydroxypropylmethyl cellulose E5 and sodium alginate) polymers were used to prepare the in situ gel and the sol-gel transition temperature (T sol-gel) and gel strength were optimized. The in vitro release performance and in vivo pharmacokinetic properties of the in situ gel after their rectal administration to rabbits were investigated. Compared with the solid suppository, the cumulative release of the IBU SDs loaded in situ gel was significantly increased. The in vivo pharmacokinetics indicated that in situ gel had a higher peak plasma concentration (C max) and area under the curve (AUC(0-∞)) in plasma than the solid suppositories. Histopathology results showed that the IBU in situ gel given at a dose of 15 mg/kg did not produce any irritation. In conclusion, this study suggested that the in situ gel could be an effective rectal formulation for IBU.
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dos Santos KM, Barbosa RDM, Vargas FGA, de Azevedo EP, Lins ACDS, Camara CA, Aragão CFS, Moura TFDLE, Raffin FN. Development of solid dispersions of β-lapachone in PEG and PVP by solvent evaporation method. Drug Dev Ind Pharm 2017; 44:750-756. [DOI: 10.1080/03639045.2017.1411942] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Klecia M. dos Santos
- Department of Pharmacy, University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Raquel de Melo Barbosa
- Department of Pharmacy, University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | | | - Eduardo Pereira de Azevedo
- Graduate Program in Biotechnology, Laureate International Universities, Universidade Potiguar – UnP, Natal, Rio Grande do Norte, Brazil
| | | | - Celso A. Camara
- Department of Chemistry, Federal Rural University of Pernambuco, Recife, Pernambuco, Brazil
| | - Cícero F. S. Aragão
- Department of Pharmacy, University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | | | - Fernanda Nervo Raffin
- Department of Pharmacy, University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
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Li W, Qing S, Zhi W, Yao H, Fu C, Niu X. The pharmacokinetics and anti-inflammatory effects of chelerythrine solid dispersions in vivo. J Drug Deliv Sci Technol 2017. [DOI: 10.1016/j.jddst.2017.05.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Yamamoto K, Kojima T, Karashima M, Ikeda Y. Physicochemical Evaluation and Developability Assessment of Co-amorphouses of Low Soluble Drugs and Comparison to the Co-crystals. Chem Pharm Bull (Tokyo) 2016; 64:1739-1746. [PMID: 27733735 DOI: 10.1248/cpb.c16-00604] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
To judge the developability and analyze functional mechanism of co-amorphouses, we investigated the physicochemical properties of co-amorphouses and compare the properties with the co-crystals having the same drug and counters. Co-amorphous compounds are a novel approach to improve the physicochemical properties of drugs. A co-amorphous is in an amorphous solid state allowing non-ionic interactions between drug molecules and counter molecules. The co-amorphous compounds composed of itraconazole (ITZ) with the organic carboxyl acid, fumaric acid (FA) or L-tartaric acid (TA), were prepared by mechanical grinding. Potential interactions within ITZ-FA co-amorphous were assessed by Raman spectroscopy. ITZ-FA co-amorphous was not crystallized as the co-crystal or as a single ITZ crystal, suggesting that the amorphous state, like the amorphous solid dispersion, was physically stable and that ITZ-FA co-amorphous was also chemically stable. In contrast, no clear interactions were observed within ITZ-TA co-amorphous, and the co-amorphous was physically stable but chemically unstable. The solubility of the co-amorphous state was much higher than those of ITZ crystal and the co-crystals and was almost identical to that of amorphous ITZ. A co-amorphous compound like ITZ-FA co-amorphous might be feasible to implement in the development of solid drug products and bring some merits compared to the co-crystals, and the function is governed by the interaction between a drug and a counter. The co-amorphous approach may be an effective strategy for drug development and can contribute to the production of novel drugs with improved functions.
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Affiliation(s)
- Katsuhiko Yamamoto
- Analytical Development, Pharmaceutical Sciences, Takeda Pharmaceutical Company Limited
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Hollow mesoporous silica as a high drug loading carrier for regulation insoluble drug release. Int J Pharm 2016; 510:184-94. [DOI: 10.1016/j.ijpharm.2016.05.067] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Revised: 05/25/2016] [Accepted: 05/31/2016] [Indexed: 12/26/2022]
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Abrantes CG, Duarte D, Reis CP. An Overview of Pharmaceutical Excipients: Safe or Not Safe? J Pharm Sci 2016; 105:2019-26. [DOI: 10.1016/j.xphs.2016.03.019] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Revised: 03/01/2016] [Accepted: 03/15/2016] [Indexed: 11/28/2022]
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Siafaka PI, Üstündağ Okur N, Mone M, Giannakopoulou S, Er S, Pavlidou E, Karavas E, Bikiaris DN. Two Different Approaches for Oral Administration of Voriconazole Loaded Formulations: Electrospun Fibers versus β-Cyclodextrin Complexes. Int J Mol Sci 2016; 17:282. [PMID: 26927072 PMCID: PMC4813146 DOI: 10.3390/ijms17030282] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Revised: 01/24/2016] [Accepted: 02/19/2016] [Indexed: 12/03/2022] Open
Abstract
In this work, a comparison between two different preparation methods for the improvement of dissolution rate of an antifungal agent is presented. Poly(ε-caprolactone) (PCL) electrospun fibers and β-cyclodextrin (β-CD) complexes, which were produced via an electrospinning process and an inclusion complexation method, respectively, were addressed for the treatment of fungal infections. Voriconazole (VRCZ) drug was selected as a model drug. PCL nanofibers were characterized on the basis of morphology while phase solubility studies for β-CDs complexes were performed. Various concentrations (5, 10, 15 and 20 wt %) of VRCZ were loaded to PCL fibers and β-CD inclusions to study the in vitro release profile as well as in vitro antifungal activity. The results clearly indicated that all formulations showed an improved VRCZ solubility and can inhibit fungi proliferation.
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Affiliation(s)
- Panoraia I Siafaka
- Laboratory of Polymer Chemistry and Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54 124 Thessaloniki, Greece.
| | - Neslihan Üstündağ Okur
- School of Pharmacy, Department of Pharmaceutical Technology, Istanbul Medipol University, Beykoz, 34810 Istanbul, Turkey.
| | - Mariza Mone
- Laboratory of Polymer Chemistry and Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54 124 Thessaloniki, Greece.
| | - Spyridoula Giannakopoulou
- Laboratory of Polymer Chemistry and Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54 124 Thessaloniki, Greece.
| | - Sevda Er
- School of Pharmacy, Department of Microbiology, Istanbul Medipol University, Beykoz, 34810 Istanbul, Turkey.
| | - Eleni Pavlidou
- Department of Physics, Aristotle University of Thessaloniki, 54 124 Thessaloniki, Greece.
| | | | - Dimitrios N Bikiaris
- Laboratory of Polymer Chemistry and Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54 124 Thessaloniki, Greece.
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