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Patel M, Hirlekar R. Multicomponent cyclodextrin system for improvement of solubility and dissolution rate of poorly water soluble drug. Asian J Pharm Sci 2019; 14:104-115. [PMID: 32104443 PMCID: PMC7032147 DOI: 10.1016/j.ajps.2018.02.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 01/23/2018] [Accepted: 02/28/2018] [Indexed: 11/26/2022] Open
Abstract
The purpose of the present study was to investigate the interaction of Cinnarizine (CIN) with Hydroxypropyl-β-Cyclodextrin (HPβCD) in the presence of Hydroxy Acids (HA). Various binary and ternary systems of CIN with HPβCD and HA were prepared by kneading and coevaporation methods. For the ternary systems, HA were tried in three different concentrations. The interaction in solution phase was studied in detail by the phase solubility method, and the solid phase interactions were characterized by Fourier Transform Infrared (FTIR) spectroscopy, Differential Scanning Calorimetry (DSC), X-Ray Diffractometry (XRD), Scanning Electron Microscopy (SEM) and Proton Nuclear Magnetic Resonance (1H-NMR). Phase solubility revealed the positive effect of HA on the complexation of CIN with HPβCD. Solid phase characterization confirmed the formation of inclusion complex in the ternary systems. Solubility and dissolution studies illustrated that out of three different concentrations tried, HA were most effective at the 1 M concentration level. Ternary systems were very effective in improving the solubility as well as dissolution profile of CIN than the CIN-HPβCD binary systems. FTIR, 1H-NMR and Molecular docking studies gave some insight at molecular level that actually which part of CIN was interacting with the HPβCD. Molecular docking and free energy calculation even enlighten the role of tartaric acid in increasing solubility of CIN in the ternary system.
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Affiliation(s)
- Mayank Patel
- Department of Pharmaceutics, Bharati Vidyapeeth's College of Pharmacy, Sector-8, C.B.D. Belapur, Navi Mumbai 400614, Maharashtra, India
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, N. P. Marg, Matunga, Mumbai 400019, India
| | - Rajashree Hirlekar
- Department of Pharmaceutics, Bharati Vidyapeeth's College of Pharmacy, Sector-8, C.B.D. Belapur, Navi Mumbai 400614, Maharashtra, India
- Department of Pharmaceutics, VES College of Pharmacy, Hashu Advani Memorial Complex, Behind Collector Colony, Chembur (E), Mumbai 400074, India
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Catlin N, Waidyanatha S, Mylchreest E, Miller-Pinsler L, Cunny H, Foster P, Sutherland V, McIntyre B. Embryo-fetal development studies with the dietary supplement vinpocetine in the rat and rabbit. Birth Defects Res 2018; 110:883-896. [PMID: 29460393 PMCID: PMC5980693 DOI: 10.1002/bdr2.1207] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 01/16/2018] [Indexed: 11/10/2022]
Abstract
Dietary supplement and natural product use is increasing within the United States, resulting in growing concern for exposure in vulnerable populations, including young adults and women of child-bearing potential. Vinpocetine is a semisynthetic derivative of the Vinca minor extract, vincamine. Human exposure to vinpocetine occurs through its use as a dietary supplement for its purported nootropic and neuroprotective effects. To investigate the effects of vinpocetine on embryo-fetal development, groups of 25 pregnant Sprague-Dawley rats and 8 pregnant New Zealand White rabbits were orally administered 0, 5, 20, or 60 mg vinpocetine/kg and 0, 25, 75, 150, or 300 mg/kg daily from gestational day (GD) 6-20 and GD 7-28, respectively. Pregnant rats dosed with vinpocetine demonstrated dose-dependent increases in postimplantation loss, higher frequency of early and total resorptions, lower fetal body weights, and fewer live fetuses following administration of 60 mg/kg, in the absence of maternal toxicity. Additionally, the rat fetuses displayed dose-dependent increases in the incidences of ventricular septum defects and full supernumerary thoracolumbar ribs. Similarly, albeit at higher doses than the rats, pregnant rabbits administered vinpocetine displayed an increase in postimplantation loss and fewer live fetuses (300 mg/kg), in addition to significantly lower fetal body weights (≥75 mg/kg). In conclusion, vinpocetine exposure resulted in similar effects on embryo-fetal development in the rat and rabbit. The species differences in sensitivity and magnitude of response is likely attributable to a species difference in metabolism. Taken together, these data suggest a potential hazard for pregnant women who may be taking vinpocetine.
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Affiliation(s)
- Natasha Catlin
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, RTP, NC
| | - Suramya Waidyanatha
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, RTP, NC
| | | | | | - Helen Cunny
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, RTP, NC
| | - Paul Foster
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, RTP, NC
| | - Vicki Sutherland
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, RTP, NC
| | - Barry McIntyre
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, RTP, NC
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Waidyanatha S, Toy H, South N, Gibbs S, Mutlu E, Burback B, McIntyre BS, Catlin N. Systemic exposure of vinpocetine in pregnant Sprague Dawley rats following repeated oral exposure: An investigation of fetal transfer. Toxicol Appl Pharmacol 2018; 338:83-92. [PMID: 29155086 PMCID: PMC7063504 DOI: 10.1016/j.taap.2017.11.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 11/10/2017] [Accepted: 11/14/2017] [Indexed: 11/28/2022]
Abstract
Vinpocetine is being used worldwide by people of all ages, including pregnant women, for its purported multiple health benefits. However, limited data is available addressing the safety/toxicity of vinpocetine. The National Toxicology Program conducted studies to examine potential effects of vinpocetine on the developing rat. Disposition data is helpful to put the fetal findings into context and provide information on the potential risk for humans. The current study reports the systemic exposure and toxicokinetic (TK) parameters of vinpocetine and metabolite, apovincaminic acid (AVA), in pregnant Harlan Sprague Dawley rats, fetuses and amniotic fluid following oral gavage exposure of dams to 5 and 20mg/kg vinpocetine from gestational day 6 to 18. Vinpocetine was absorbed rapidly in dams with a maximum plasma concentration (Cmax) reaching ≤1.37h. Predicted Cmax and area under the concentration versus time curve (AUC) increased less than proportionally to the dose. Vinpocetine was rapidly distributed to the peripheral compartment. More importantly, significant transfer of vinpocetine from dam to fetuses was observed with fetal Cmax and AUC≥55% of dams. Vinpocetine was cleared rapidly from dam plasma with an elimination half-life of ≤4.02h with no apparent dose-related effect. Vinpocetine was rapidly and highly metabolized to AVA with AVA plasma levels in dams ≥2.7-fold higher than vinpocetine, although in the fetuses, AVA levels were much lower than vinpocetine. Comparison of current rat data with literature human data demonstrates that systemic exposure to vinpocetine in rats following repeated exposure to 5mg/kg is similar to that following a single human relevant dose of 10mg suggesting that the findings from the toxicology study may be relevant to humans.
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Affiliation(s)
- Suramya Waidyanatha
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States.
| | - Heather Toy
- Battelle Memorial Institute, Columbus, OH, United States
| | - Natalie South
- Battelle Memorial Institute, Columbus, OH, United States
| | - Seth Gibbs
- Battelle Memorial Institute, Columbus, OH, United States
| | - Esra Mutlu
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States
| | - Brian Burback
- Battelle Memorial Institute, Columbus, OH, United States
| | - Barry S McIntyre
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States
| | - Natasha Catlin
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States
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Ding J, Sun Y, Li J, Wang H, Mao S. Enhanced blood-brain barrier transport of vinpocetine by oral delivery of mixed micelles in combination with a message guider. J Drug Target 2017; 25:532-540. [PMID: 28151022 DOI: 10.1080/1061186x.2017.1289541] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The blood-brain barrier represents an insurmountable obstacle for the therapy of central nervous system related diseases. Polymeric micelles have many desirable properties for brain targeting by oral delivery, but the stability and targeting efficiency needs to be improved. In this study, it was demonstrated that binary micelle system can compensate the drawbacks of mono system by preparing mixed micelles in combination with PEG-based copolymers. Here, we explored a brain targeting drug delivery system via facile approaches using P123 based mixed micelles in combination with a message guider from traditional Chinese medicine, borneol, for oral delivery. With higher drug-loading, improved stability, prolonged in vitro release profile, increased bioavailability and enhanced brain targeting effect was achieved after peroral delivery of the mixed micelles. More importantly, without extra structure modification for active targeting, it was demonstrated for the first time that oral delivery of vinpocetine loaded mixed micelles together with borneol is an effective way to increase drug concentration in the brain and the targeting efficiency is borneol dose dependent. Such a "simple but effective" modality may shed light on the potential use of polymeric micelles in combination with a message drug to achieve drug brain targeting or other targeting sites via oral delivery.
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Affiliation(s)
- Jiaojiao Ding
- a School of Pharmacy, Shenyang Pharmaceutical University , Shenyang , China
| | - Yujiao Sun
- a School of Pharmacy, Shenyang Pharmaceutical University , Shenyang , China
| | - Jinfeng Li
- a School of Pharmacy, Shenyang Pharmaceutical University , Shenyang , China
| | - Huimin Wang
- a School of Pharmacy, Shenyang Pharmaceutical University , Shenyang , China
| | - Shirui Mao
- a School of Pharmacy, Shenyang Pharmaceutical University , Shenyang , China
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Ding J, Li J, Mao S. Development and evaluation of vinpocetine inclusion complex for brain targeting. Asian J Pharm Sci 2015. [DOI: 10.1016/j.ajps.2014.08.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Siddiqui A, Shah RB, Khan MA. Oseltamivir Phosphate–Amberlite™ IRP 64 Ionic Complex for Taste Masking: Preparation and Chemometric Evaluation. J Pharm Sci 2013; 102:1800-1812. [DOI: 10.1002/jps.23518] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2012] [Revised: 02/11/2013] [Accepted: 03/04/2013] [Indexed: 11/11/2022]
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Zeng F, Wang L, Zhang W, Shi K, Zong L. Formulation and in vivo evaluation of orally disintegrating tablets of clozapine/hydroxypropyl-β-cyclodextrin inclusion complexes. AAPS PharmSciTech 2013; 14:854-60. [PMID: 23649995 DOI: 10.1208/s12249-013-9973-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Accepted: 04/16/2013] [Indexed: 11/30/2022] Open
Abstract
The aim of this study was to improve the solubility and oral bioavailability of clozapine (CLZ), a poorly water-soluble drug subjected to substantial first-pass metabolism, employing cyclodextrin complexation technique. The inclusion complexes were prepared by an evaporation method. Phase solubility studies, differential scanning calorimetry, X-ray powder diffraction, and Fourier transform infrared spectroscopy were used to evaluate the complexation of CLZ with hydroxypropyl-β-cyclodextrin (HP-β-CD) and the formation of true inclusion complexes. Characterization and dissolution studies were carried out to evaluate the orally disintegrating tablets (ODTs) containing CLZ/HP-β-CD complexes prepared by direct compression. Finally, the bioavailability studies of the prepared ODTs were performed by oral administration to rabbits. The ODTs showed a higher in vitro dissolution rate and bioavailability compared with the commercial tablets. It is evident from the results herein that the developed ODTs provide a promising drug delivery system in drug development, owing to their excellent performance of a rapid onset of action, improved bioavailability, and good patient compliance.
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Monakhova YB, Kuballa T, Löbell-Behrends S, Maixner S, Kohl-Himmelseher M, Ruge W, Lachenmeier DW. Standardless 1H NMR determination of pharmacologically active substances in dietary supplements and medicines that have been illegally traded over the internet. Drug Test Anal 2012; 5:400-11. [PMID: 22550015 DOI: 10.1002/dta.1367] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2012] [Revised: 03/30/2012] [Accepted: 03/30/2012] [Indexed: 11/06/2022]
Abstract
Dietary supplements and medicines are widely marketed over the Internet. Such products may be counterfeited and lack some or all of the labelled ingredients, or, in the case of lifestyle supplements, illegally contain pharmacologically active substances, such as anorectic or androgenic compounds. The market control - especially in the case of customs seizures - is complex, as reference substances necessary for identification and calibration in traditional high performance liquid chromatography (HPLC) or gas chromatography-mass spectrometry (GC-MS) analysis are often unavailable, or extremely expensive. In this study, we introduce a 400 MHz (1) H NMR methodology, which allows identification and quantitative estimation even without such pure compound standards. The identification can be based on literature spectra, or if these data are unavailable, by applying computational NMR spectra prediction. For standardless NMR determination, simple peak-area comparison of the target compound with the TSP reference was used. The applicability was demonstrated for a wide range of compounds, such as mesterolone, oxymetholone, sibutramine, monacolin K, vinpocetine, evodiamine, caffeine, kavain, and dehydroepiandrosterone. The average relative standard deviations were 5.0% for peak area comparison, and 3.3% for external calibration with standard substance. The method uncertainty is therefore higher in standardless determination, but acceptable for the purpose of proving the presence or absence of pharmacologically active substances. The limit of detection of 0.5-2 mg/kg is sufficient for the purpose. NMR is ideally suited to controlling dietary supplements or illegal medicines as it provides qualitative and at least semi-quantitative information more rapidly (measurement time 20 min) than with any other currently available spectroscopic or chromatographic method.
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Affiliation(s)
- Yulia B Monakhova
- Chemisches und Veterinäruntersuchungsamt (CVUA) Karlsruhe, Karlsruhe, Germany
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Abstract
Binding of alkaloids by different hosts (native and modified cyclodextrins, cucurbiturils, calixarenes, and metal complexes of porphyrin and Salphen-type ligands), as well as receptor properties of alkaloid based hosts are reviewed. With alkaloids as guests, the largest binding constants and most significant spectral changes, in particular strong fluorescence enhancements induced by complexation with isoquinoline alkaloids, are observed with cucurbituril hosts. Cyclodextrins are successfully employed for improvement of solubility and for chiral separation of alkaloids of different types. Receptor properties of native and modified cinchona and bisbenzylisoquinoline alkaloids have attracted considerable attention for development of chiral selectors for analysis and separation.
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Hasa D, Voinovich D, Perissutti B, Grassi M, Bonifacio A, Sergo V, Cepek C, Chierotti MR, Gobetto R, Dall'Acqua S, Invernizzi S. Enhanced oral bioavailability of vinpocetine through mechanochemical salt formation: physico-chemical characterization and in vivo studies. Pharm Res 2011; 28:1870-83. [PMID: 21424156 DOI: 10.1007/s11095-011-0415-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2011] [Accepted: 03/01/2011] [Indexed: 10/18/2022]
Abstract
PURPOSE Enhancing oral bioavailability of vinpocetine by forming its amorphous citrate salt through a solvent-free mechanochemical process, in presence of micronised crospovidone and citric acid. METHODS The impact of formulation and process variables (amount of polymer and citric acid, and milling time) on vinpocetine solubilization kinetics from the coground was studied through an experimental design. The best performing samples were characterized by employing a multidisciplinary approach, involving Differential scanning calorimetry, X-ray diffraction, Raman imaging/spectroscopy, X-ray photoelectron spectroscopy, solid-state NMR spectroscopy, porosimetry and in vivo studies on rats to ascertain the salt formation, their solid-state characteristics and oral bioavailability in comparison to vinpocetine citrate salt (Oxopocetine(®)). RESULTS The analyses attested that the mechanochemical process is a viable way to produce in absence of solvents vinpocetine citrate salt in an amorphous state. CONCLUSION From the in vivo studies on rats the obtained salt was four times more bioavailable than its physical mixture and bioequivalent to the commercial salt produced by conventional synthetic process implying the use of solvent.
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Affiliation(s)
- Dritan Hasa
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, P. le Europa 1, 34127 Trieste, Italy
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Hasa D, Voinovich D, Perissutti B, Bonifacio A, Grassi M, Franceschinis E, Dall'Acqua S, Speh M, Plavec J, Invernizzi S. Multidisciplinary Approach on Characterizing a Mechanochemically Activated Composite of Vinpocetine and Crospovidone. J Pharm Sci 2011; 100:915-32. [DOI: 10.1002/jps.22331] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2010] [Revised: 06/17/2010] [Accepted: 07/24/2010] [Indexed: 11/06/2022]
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Sohajda T, Varga E, Iványi R, Fejős I, Szente L, Noszál B, Béni S. Separation of vinca alkaloid enantiomers by capillary electrophoresis applying cyclodextrin derivatives and characterization of cyclodextrin complexes by nuclear magnetic resonance spectroscopy. J Pharm Biomed Anal 2010; 53:1258-66. [DOI: 10.1016/j.jpba.2010.07.032] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2010] [Revised: 07/19/2010] [Accepted: 07/21/2010] [Indexed: 10/19/2022]
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Qiang D, Gunn JA, Schultz L, Li ZJ. Evaluation of the impact of sodium lauryl sulfate source variability on solid oral dosage form development. Drug Dev Ind Pharm 2010; 36:1486-96. [DOI: 10.3109/03639045.2010.488647] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Shah RB, Tawakkul MA, Sayeed VA, Khan MA. Complexation between risperidone and amberlite resin by various methods of preparation and binding study. Drug Dev Ind Pharm 2009; 35:1409-18. [DOI: 10.3109/03639040902939247] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Xu H, He L, Nie S, Guan J, Zhang X, Yang X, Pan W. Optimized preparation of vinpocetine proliposomes by a novel method and in vivo evaluation of its pharmacokinetics in New Zealand rabbits. J Control Release 2009; 140:61-8. [DOI: 10.1016/j.jconrel.2009.07.014] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2009] [Revised: 07/15/2009] [Accepted: 07/23/2009] [Indexed: 11/25/2022]
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Tawakkul MA, Shah RB, Zidan A, Sayeed VA, Khan MA. Complexation of risperidone with a taste-masking resin: Novel application of near infra-red and chemical imaging to evaluate complexes. Pharm Dev Technol 2009; 14:409-21. [DOI: 10.1080/10837450802712666] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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