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Clark HE, Trepanier LA, Wood MW. Oral cinacalcet administration decreases serum ionized calcium and parathyroid hormone concentrations in healthy dogs. J Vet Pharmacol Ther 2024; 47:274-279. [PMID: 38563476 DOI: 10.1111/jvp.13443] [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: 09/22/2023] [Revised: 02/29/2024] [Accepted: 03/14/2024] [Indexed: 04/04/2024]
Abstract
Cinacalcet is an oral calcimimetic that has potential to non-invasively treat primary hyperparathyroidism in dogs (Canis lupis familiaris). There is minimal data assessing its efficacy in dogs. This study aimed to determine whether a single dose of cinacalcet decreases serum ionized calcium (iCa), total calcium (tCa), and parathyroid hormone (PTH) concentrations. Twelve dogs received a median dose of 0.49 mg/kg (range 0.30-0.69 mg/kg) cinacalcet per os. Venous blood samples were collected at time 0 (before cinacalcet administration), 3, 8, and 24 h following cinacalcet administration. PTH, iCa, and tCa concentrations were measured at each time point and compared to 0 hour concentrations. A significant (50%) decrease in serum PTH occurred at 3 h with a median PTH of 4.6 pmol/L (range 2.7-10.8) at baseline and 1.65 pmol/L (range 0.5-14.7) at 3 h; p = .005. A significant, but not clinically relevant, decrease in serum iCa from a median baseline of 1.340 mmol/L (range 1.32-1.41) to a 3 h median of 1.325 mmol/L (range 1.26-1.39), p = .043, was also observed. tCa concentrations were not different. This study showed that a single dose of cinacalcet leads to transient decreases in iCa and PTH concentrations in healthy dogs.
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Affiliation(s)
- Hannah E Clark
- School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Lauren A Trepanier
- Department of Medical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Michael W Wood
- Department of Medical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
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2
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Choi SA, Park EJ, Lee JH, Min KA, Kim ST, Jang DJ, Maeng HJ, Jin SG, Cho KH. Preparation and Characterization of Pazopanib Hydrochloride-Loaded Four-Component Self-Nanoemulsifying Drug Delivery Systems Preconcentrate for Enhanced Solubility and Dissolution. Pharmaceutics 2022; 14:pharmaceutics14091875. [PMID: 36145623 PMCID: PMC9500606 DOI: 10.3390/pharmaceutics14091875] [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: 08/15/2022] [Revised: 08/29/2022] [Accepted: 09/02/2022] [Indexed: 01/22/2023] Open
Abstract
The aim of this study was to develop a four-component self-nanoemulsifying drug delivery system (FCS) to enhance the solubility and dissolution of pazopanib hydrochloride (PZH). In the solubility test, PZH showed a highly pH-dependent solubility (pH 1.2 > water >> pH 4.0 and pH 6.8) and was solubilized at 70 °C in the order Kollisolv PG (5.38%, w/w) > Kolliphor RH40 (0.49%) > Capmul MCM C10 (0.21%) and Capmul MCM C8 (0.19%), selected as the solubilizer, the surfactant, and the oils, respectively. In the characterization of the three-component SNEDDS (TCS) containing Kolliphor RH40/Capmul MCM C10, the particle size of dispersion was very small (<50 nm) and the PZH loading was 0.5% at the weight ratio of 9/1. In the characterization of FCS containing additional Kollisolv PG to TCS, PZH loading was increased to 5.30% without any PZH precipitation, which was 10-fold higher compared to the TCS. The optimized FCS prepared with the selected formulation (Kolliphor RH40/Capmul MCM C10/Kollisolv PG) showed a consistently complete and high dissolution rate (>95% at 120 min) at four different pHs with 1% polysorbate 80, whereas the raw PZH and Kollisolv PG solution showed a pH-dependent poor dissolution rate (about 40% at 120 min), specifically at pH 6.8 with 1% polysorbate 80. In conclusion, PZH-loaded FCS in this work demonstrated enhanced solubility and a consistent dissolution rate regardless of medium pH.
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Affiliation(s)
- Seung Ah Choi
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, Gimhae 50834, Korea
| | - Eun Ji Park
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, Gimhae 50834, Korea
| | - Jun Hak Lee
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, Gimhae 50834, Korea
| | - Kyoung Ah Min
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, Gimhae 50834, Korea
| | - Sung Tae Kim
- Department of Nanoscience and Engineering, Inje University, Gimhae 50834, Korea
| | - Dong-Jin Jang
- Department of Bio-Health Technology, College of Biomedical Science, Kangwon National University, Chuncheon 24341, Korea
| | - Han-Joo Maeng
- College of Pharmacy, Gachon University, Incheon 21936, Korea
| | - Sung Giu Jin
- Department of Pharmaceutical Engineering, Dankook University, 119 Dandae-ro, Dongnam-gu, Cheonan 31116, Korea
- Correspondence: (S.G.J.); (K.H.C.); Tel.: +82-41-550-3558 (S.G.J.); +82-55-320-3883 (K.H.C.)
| | - Kwan Hyung Cho
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, Gimhae 50834, Korea
- Correspondence: (S.G.J.); (K.H.C.); Tel.: +82-41-550-3558 (S.G.J.); +82-55-320-3883 (K.H.C.)
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Fast-Fed Variability: Insights into Drug Delivery, Molecular Manifestations, and Regulatory Aspects. Pharmaceutics 2022; 14:pharmaceutics14091807. [PMID: 36145555 PMCID: PMC9505616 DOI: 10.3390/pharmaceutics14091807] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/24/2022] [Accepted: 08/25/2022] [Indexed: 12/26/2022] Open
Abstract
Among various drug administration routes, oral drug delivery is preferred and is considered patient-friendly; hence, most of the marketed drugs are available as conventional tablets or capsules. In such cases, the administration of drugs with or without food has tremendous importance on the bioavailability of the drugs. The presence of food may increase (positive effect) or decrease (negative effect) the bioavailability of the drug. Such a positive or negative effect is undesirable since it makes dosage estimation difficult in several diseases. This may lead to an increased propensity for adverse effects of drugs when a positive food effect is perceived. However, a negative food effect may lead to therapeutic insufficiency for patients suffering from life-threatening disorders. This review emphasizes the causes of food effects, formulation strategies to overcome the fast-fed variability, and the regulatory aspects of drugs with food effects, which may open new avenues for researchers to design products that may help to eliminate fast-fed variability.
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Wei C, Wang Q, Weng W, Adu-Frimpong M, Toreniyazov E, Ji H, Xu X, Yu J. Enhanced oral bioavailability and anti-hyperuricemic activity of liquiritin via a self-nanoemulsifying drug delivery system. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:2032-2040. [PMID: 34558068 DOI: 10.1002/jsfa.11542] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 07/29/2021] [Accepted: 09/24/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND This study focused on the development of a self-nanoemulsifying drug delivery system (SNEDDS) to improve, potentially, the solubility and oral bioavailability of liquiritin (LQ). METHODS The solubility of LQ in different types of excipient, namely oils (OLs), emulsifiers (EMs), and co-emulsifiers (CO-EMs), was evaluated, and a pseudo-ternary phase diagram (PTPD) and the formulation optimization were established. The prepared self-nanoemulsifying drug delivery system of liquiritin (LQ-SNEDDS) was assessed using droplet size (DS), zeta potential (ZP), polydispersity index (PDI), droplet morphology, drug release in vitro, and oral bioavailability. RESULTS After the dilution of the LQ-SNEDDS, a transparent nanoemulsion was obtained with an acceptable DS (24.70 ± 0.73 nm), ZP (-18.69 ± 1.44 mV), and PDI (0.122 ± 0.006). The LQ-SNEDDS that was developed had a better release rate in vitro than the free LQ suspension. Pharmacokinetic evaluation showed that the relative oral bioavailability of LQ-SNEDDS was increased by 5.53 times, and LQ-SNEDDS exhibited a delayed half life and longer retention time in comparison with those of free LQ. Similarly, LQ-SNEDDS had a better urate lowering effect and provided better organ protection than free LQ at the same dose (P < 0.05). CONCLUSIONS The incorporation of LQ into SNEDDS could serve as a promising approach to improve the solubility, oral bioavailability, and anti-hyperuricemic effect of LQ. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Chunmei Wei
- Department of Pharmaceutics, School of Pharmacy, Centre for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China
| | - Qilong Wang
- Department of Pharmaceutics, School of Pharmacy, Centre for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China
| | - Wen Weng
- Department of Pharmaceutics, School of Pharmacy, Centre for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China
| | - Michael Adu-Frimpong
- Department of Applied Chemistry and Biochemistry, C. K. Tedam University of Technology and Applied Sciences (CKT-UTAS), Navrongo, Ghana
| | - Elmurat Toreniyazov
- Ashkent State Agricultural University (Nukus Branch), Nukus, Republic of Uzbekistan
- Jiangsu Provincial Research Center for Medicinal Function Development of New Food Resources, Zhenjiang, People's Republic of China
| | - Hao Ji
- Jiangsu Provincial Research Center for Medicinal Function Development of New Food Resources, Zhenjiang, People's Republic of China
- Jiangsu Tian Sheng Pharmaceutical Co., Ltd, Zhenjiang, People's Republic of China
| | - Ximing Xu
- Department of Pharmaceutics, School of Pharmacy, Centre for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China
- Jiangsu Provincial Research Center for Medicinal Function Development of New Food Resources, Zhenjiang, People's Republic of China
| | - Jiangnan Yu
- Department of Pharmaceutics, School of Pharmacy, Centre for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, People's Republic of China
- Jiangsu Provincial Research Center for Medicinal Function Development of New Food Resources, Zhenjiang, People's Republic of China
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Bio-enabling strategies to mitigate the pharmaceutical food effect: a mini review. Int J Pharm 2022; 619:121695. [PMID: 35339633 DOI: 10.1016/j.ijpharm.2022.121695] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 03/02/2022] [Accepted: 03/19/2022] [Indexed: 12/27/2022]
Abstract
The concomitant administration of oral drugs with food can result in significant changes in bioavailability, leading to variable pharmacokinetics and considerable clinical implications, such as over- or under-dosing. Consequently, there is increasing demand for bio-enabling formulation strategies to reduce variability in exposure between the fasted and fed state and/or mitigate the pharmaceutical food effect. The current review critically evaluates technologies that have been implemented to overcome the positive food effects of pharmaceutical drugs, including, lipid-based formulations, nanosized drug preparations, cyclodextrins, amorphisation and solid dispersions, prodrugs and salts. Additionally, improved insight into preclinical models for predicting the food effect is provided. Despite the wealth of research, this review demonstrates that application of optimal formulation strategies to mitigate the positive food effects and the evaluation in preclinical models is not a universal approach, and improved standardisation of models to predict the food effects would be desirable. Ultimately, the successful reformulation of specific drugs to eliminate the food effect provides a panoply of advantages for patients with regard to clinical efficacy and compliance.
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Qu Y, Mu S, Song C, Zheng G. Preparation and in vitro/ in vivo evaluation of a self-microemulsifying drug delivery system containing chrysin. Drug Dev Ind Pharm 2021; 47:1127-1139. [PMID: 34590933 DOI: 10.1080/03639045.2021.1988092] [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] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To prepare a self-microemulsifying drug delivery system (SMEDDS) to increase the solubility and oral bioavailability of chrysin. METHODS The preparation conditions were determined using factor analysis method. Preliminarily screening was conducted using compatibility tests and pseudo-ternary phase diagram studies. The central composite design-response surface methodology was used to determine the maximum drug loading and optimize SMEDDS formation, as characterized by surface morphology, pH, diameter, polydispersity index (PDI), zeta potential, and phase type. In vitro release of chrysin-suspension and chrysin-SMEDDS was investigated using the bulk-equilibrium reverse dialysis bag technique. Short-term stability of chrysin-SMEDDS at high and low temperatures was assessed. Pharmacokinetic behaviors were evaluated after intragastric and intravenous administration to rats. RESULTS The final optimal formulation was medium chain triglyceride:oleic acid:Cremophor RH40: Transcutol HP (w/w) (12%:12%:32%:44%), with a drug loading capacity of 5 mg/g. Diluted chrysin-SMEDDS was characterized as an oil-in-water type and spherical, with a diameter, pH, PDI, and zeta potential of 28.26 ± 0.83 nm, 5.60 ± 0.84, 0.18 ± 0.01, and -23.13 ± 0.95 mV, respectively. The release speed of chrysin-SMEDDS was significantly higher than that of chrysin-suspension, and the release process was not affected by the media pH. In vivo pharmacokinetic data revealed that the oral bioavailability of chrysin-SMEDDS was 2.7-fold higher than that of chrysin suspension, compared with the chrysin microemulsion. CONCLUSION The optimal SMEDDS formulation increased the dissolution and oral bioavailability of chrysin and may be useful for investigating chrysin efficacy in animal disease models and toxicokinetic studies.
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Affiliation(s)
- Yong Qu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, People's Republic of China
| | - Shunda Mu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, People's Republic of China
| | - Chengwu Song
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, People's Republic of China
| | - Guohua Zheng
- Key Laboratory of Chinese Medicine Resource and Compound Prescription, Ministry of Education, Hubei University of Chinese Medicine, Wuhan, People's Republic of China
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Hamdan II, El-Sabawi D, Tverdokhleb NM, Lantushenko AO, Evstigneev MP, Abu-Dahab R. Studies on potential interaction between cinacalcet hydrochloride and diclofenac sodium. Biophys Chem 2020; 266:106460. [PMID: 32890944 DOI: 10.1016/j.bpc.2020.106460] [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: 06/03/2020] [Revised: 08/13/2020] [Accepted: 08/16/2020] [Indexed: 10/23/2022]
Abstract
Cinacalcet (CT) is an important drug for the treatment hyperparathyroidism. Only few studies havereported thepotential interaction between CT and other potentially coadministered drugs. In this study, the potential of invitro interaction between CT and DF sodium (DF-Na) was investigated. An ion pair salt of CT with DF was obtained by mixing the two compounds in solution; the product was fully characterized by HPLC analysis, UV, FTIR, NMR spectroscopy in addition to DSC. The solubility and partition coefficients were found to significantly decrease and increase, respectively, for the obtained ion pair salt in comparison to the parent compounds. Dissolution studies in phosphate buffer pH 6.8 revealed a significant decrease in the dissolution of an already poorly water soluble drug (decrease to ~20% of the original). Permeation studies, through Caco-2 cells monolayer, revealed a significant decrease in permeation of CT when coexisted with DF (almost to half). Apparent permeability coefficient (Papp) decreased from 3.6 × 10-6 to 1.8 × 10-6 cm/s. Interestingly, a structure for the formed CT-DF salt that could explain the above findings (increase in lipophilicity), could be proposed based on structural modelling, molecular dynamic simulations and NMR proton chemical shifts analysis.
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Affiliation(s)
- Imad I Hamdan
- School of Pharmacy, The University of Jordan, Amman 11942, Jordan.
| | - Dina El-Sabawi
- School of Pharmacy, The University of Jordan, Amman 11942, Jordan
| | - N M Tverdokhleb
- Laboratory of Molecular and Cell Biophysics, Sevastopol State University, Sevastopol 299053, Russian Federation
| | - A O Lantushenko
- Laboratory of Molecular and Cell Biophysics, Sevastopol State University, Sevastopol 299053, Russian Federation
| | - M P Evstigneev
- Laboratory of Molecular and Cell Biophysics, Sevastopol State University, Sevastopol 299053, Russian Federation
| | - Rana Abu-Dahab
- School of Pharmacy, The University of Jordan, Amman 11942, Jordan
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Xie M, Wu J, Ji L, Jiang X, Zhang J, Ge M, Cai X. Development of Triptolide Self-Microemulsifying Drug Delivery System and Its Anti-tumor Effect on Gastric Cancer Xenografts. Front Oncol 2019; 9:978. [PMID: 31637212 PMCID: PMC6788343 DOI: 10.3389/fonc.2019.00978] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Accepted: 09/13/2019] [Indexed: 01/03/2023] Open
Abstract
Purpose: To develop a triptolide (TP) self-microemulsifying drug delivery system and to investigate its anti-tumor effect on human gastric cancer line MGC80-3 xenografts in nude mice. Methods: The medium chain triglyceride (MCT) was selected as oil phase; polyoxyethylene castor oil (EL) was selected as surfactant, and PEG-400 was selected as cosurfactant. The mass ratio of each phase was optimized by central composite design and response surface methodology to prepare TP-SMEDDS (self-microemulsifying drug delivery system). The quality of TP-SMEDDS was evaluated, and its inhibitory effect on tumor growth investigated in nude mice transplanted with MGC80-3 cells. Results: The final prescription process was defined as follows: MCT mass ratio: 25.3%; EL mass ratio: 49.6%; PEG-400 mass ratio: 25.1%. The prepared TP-SMEDDS was a transparent liquid with a clear appearance (the theoretical particle size: 31.168 nm). On transmission electron microscopy, the microemulsion particles were spherical in size and uniformly distributed without adhesions. The in vitro release experiment showed complete release of the prepared TP-SMEDDS in PBS solution in 6 h. In vivo antitumor activity showed its inhibitory effect in the xenograft model. Conclusion: The self-microemulsifying delivery system improved the oral bioavailability and the in vivo antitumor effect of TP.
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Affiliation(s)
- Minghua Xie
- Department of Pharmacy, First People's Hospital of Yuhang District, Hangzhou, China
| | - Jia Wu
- Department of Pharmacy, First People's Hospital of Yuhang District, Hangzhou, China
| | - Liqaing Ji
- Department of Pharmacy, First People's Hospital of Yuhang District, Hangzhou, China
| | - Xiaorui Jiang
- Department of Pharmacy, First People's Hospital of Yuhang District, Hangzhou, China
| | - Jin Zhang
- Department of Pharmacy, Zhejiang Integrated Traditional Chinese and Western Medicine Hospital, Hangzhou, China
| | - Min Ge
- Department of Pharmacy, First People's Hospital of Yuhang District, Hangzhou, China
| | - Xinjun Cai
- Department of Pharmacy, Zhejiang Integrated Traditional Chinese and Western Medicine Hospital, Hangzhou, China
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Yang Q, Wang Q, Feng Y, Wei Q, Sun C, Firempong CK, Adu-Frimpong M, Li R, Bao R, Toreniyazov E, Ji H, Yu J, Xu X. Anti-hyperuricemic property of 6-shogaol via self-micro emulsifying drug delivery system in model rats: formulation design, in vitro and in vivo evaluation. Drug Dev Ind Pharm 2019; 45:1265-1276. [DOI: 10.1080/03639045.2019.1594885] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Qiuxuan Yang
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Qilong Wang
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Yingshu Feng
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Qiuyu Wei
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Congyong Sun
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Caleb Kesse Firempong
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
- Department of Biochemistry and Biotechnology, College of Science, KwameNkrumah University of Science and Technology, Kumasi, Ghana
| | - Michael Adu-Frimpong
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Ran Li
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Rui Bao
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Elmurat Toreniyazov
- Ashkent State Agricultural University (Nukus branch), Avdanberdi str., Nukus, Karakalpakstan
| | - Hao Ji
- Jiangsu Tian Sheng Pharmaceutical Co., Ltd, Zhenjiang, China
| | - Jiangnan Yu
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
| | - Ximing Xu
- Department of Pharmaceutics, School of Pharmacy, Center for Nano Drug/Gene Delivery and Tissue Engineering, Jiangsu University, Zhenjiang, China
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Bindhani S, Mohapatra S, Kar R. Self Emulsifying Drug Delivery System: A Recent Approach. ACTA ACUST UNITED AC 2019. [DOI: 10.14233/ajchem.2019.21569] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
In recent years, nearly 40 % newer drugs compounds are hydrophobic in nature, which is a major challenge now-a-days for oral drug delivering due to low aqueous solubility. Lipid based drug delivery system is one of the favourable approach for poorly soluble compounds which can improve the drug absorption and oral bioavailability. Due to ion-pairing with appropriate surfactant and co-surfactant the macromolecular drug molecular oil droplet being found in the gut flow oral absorption which sufficiently stable towards lipase. Due to the formation of emulsified drug in micron level, it can efficiently endow the oral bioavailability. Several comprehensive papers have been published in the literature illustration diverse type of lipid based formulation with recent advancements. This article is based on an exhaustive and updated review on newer technology which out line an explicit discussion on its formulations and industrial scale up.
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Affiliation(s)
- Sabitri Bindhani
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan University, Khandagiri, Bhubhaneswar- 751030, India
| | - S. Mohapatra
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan University, Khandagiri, Bhubhaneswar- 751030, India
| | - R.K. Kar
- Department of of Pharmaceutical Sciences, Dadhichi College of Pharmacy, Cuttack-754002, India
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Xu X, Chen G, Li Y, Wang J, Yin J, Ren L. Enhanced dissolution and oral bioavailbility of cinacalcet hydrochlorde nanocrystals with no food effect. NANOTECHNOLOGY 2019; 30:055102. [PMID: 30511665 DOI: 10.1088/1361-6528/aaef46] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
This study was aimed at improving oral bioavailbility and reducing the food effect of cinacalcet hydrochlorde (CINA), a poorly soluble drug for the treatment of chronic kidney disease, by preparing its nanocrystals (NCs) utilizing the precipitation-ultrasonication method. Based on the single factor method and Box-Behnken design, with the particle size and polydispersity index (PDI) as indexes, the optimal formulation was achieved. It was investigated that the particle size and PDI of the NCs prepared on the basis of optimal formulation were 244 ± 2 nm and 0.168 ± 0.001, respectively. The NCs were solidificated by lyophilization. Scanning electron microscopy, differential scanning calorimetry and x-ray powder diffraction were used to characterize the CINA-NCs, and there was no crystalline change during preparation and lyophilization. The CINA-NCs capsules prepared with 30% (w/v) MCC, 8% (w/v) CCNa and 2% (w/v) talcum powder by orthogonal experimental design presented an enhanced in vitro dissolution rate in four media compared with commercial tablets Sensipar® and raw material. The raw material, blank NCs and CINA-NCs were confirmed to be non-toxic to Caco-2 cells when the drug concentration was below 250 μg ml-1. In the in vivo pharmacokinetic study, the Cmax (the peak concentration of CINA in plasma) and AUC0-t (area under curve by trapezoidal area method) of the CINA-NCs capsules were approximately 1.90-fold and 1.64-fold greater than that of Sensipar® in the fasted state. Overall, this nanotechnology is a promising way to optimize the dosage form of CINA oral administration.
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Affiliation(s)
- Xiaoqing Xu
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, People's Republic of China
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