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Merchant J, Müllertz A, Rades T, Bannow J. Functionalized calcium carbonate (FCC) as a novel carrier to solidify supersaturated self-nanoemulsifying drug delivery systems (super-SNEDDS). Eur J Pharm Biopharm 2023; 193:198-207. [PMID: 37926269 DOI: 10.1016/j.ejpb.2023.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 10/27/2023] [Accepted: 11/02/2023] [Indexed: 11/07/2023]
Abstract
Functionalized calcium carbonate (FCC), a novel pharmaceutical excipient, has shown promising properties in the field of oral drug delivery. The current study aimed at evaluating the feasibility of FCC as a carrier for the solidification of self-nanoemulsifying drug delivery systems (SNEDDS) containing the poorly water-soluble model drug carvedilol (CRV). Conventional, subsaturated SNEDDS (80 %-SNEDDSliquid) and supersaturated SNEDDS (200 %-SNEDDSliquid) were loaded onto FCC via physical adsorption at three ratios; 2.5:1, 3.0:1 and 3.5:1 (w/w) of FCC:SNEDDSliquid, respectively, generating free-flowing powders (SNEDDSFCC) with drug loading ranging from 0.8 % to 2.6 % (w/w) CRV. The emulsification of SNEDDSFCC in a USP II dissolution setup (in purified water) was characterized using dynamic light scattering, resulting in similar droplet sizes and PDIs as observed for their liquid counterparts. The morphology and physical state of the obtained SNEDDSFCC were characterized using scanning electron microscopy and differential scanning calorimetry. The physical stability and drug release upon dispersion were assessed as a function of storage time. The 200 %-SNEDDSliquid were physically stable for 6 days, however, solidification using FCC stabilized the supersaturated concentrations of CRV for a test period of up to 10 weeks (solidification ratios 3.0:1 and 3.5:1 (FCC:SNEDDSliquid)). SNEDDSFCC achieved an improved rate and extent of drug release upon dispersion compared to the crystalline CRV in tap water (pH 7.5), however, to a lesser extent than their liquid counterparts. After 8 weeks of storage (25 °C at dry conditions), FCC was still able to rapidly release the SNEDDSliquid and demonstrated the same rate and extent of drug release as freshly prepared samples. The solidification of 200 %-SNEDDSliquid in presence of FCC greatly improved the drug loading and showed an enhanced drug release profile compared to the conventional systems. In conclusion, FCC showed potential as a carrier for solidification of SNEDDS and for the development of novel supersaturated solid SNEDDS for the oral delivery of poorly water-soluble drugs.
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Affiliation(s)
- Jumana Merchant
- Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark
| | - Anette Müllertz
- Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark.
| | - Thomas Rades
- Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark
| | - Jacob Bannow
- Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark
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Andreadis II, Schulzen A, Quodbach J, Bergström CAS. Exploring the use of modified in vitro digestion assays for the evaluation of ritonavir loaded solid lipid-based formulations. Eur J Pharm Sci 2023; 189:106524. [PMID: 37433412 DOI: 10.1016/j.ejps.2023.106524] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/25/2023] [Accepted: 07/09/2023] [Indexed: 07/13/2023]
Abstract
Solid lipid-based formulations (sLBFs) have the potential to increase the oral bioavailability of drugs with poor solubility in water, while counteracting some of the disadvantages of liquid LBFs. The most common experimental set-up to study the performance of LBFs in vitro is the lipolysis assay, during which the LBFs are digested by lipases in an environment mimicking the human small intestine. However, this assay has failed in many cases to correctly predict the performance of LBFs in vivo, highlighting the need for new and improved in vitro assays to evaluate LBFs at the preclinical stage. In this study, the suitability of three different in vitro digestion assays for the evaluation of sLBFs was assessed; the classic one-step intestinal digestion assay, a two-step gastrointestinal digestion assay and a bicompartmental assay permitting the simultaneous monitoring of digestion and permeation of the active pharmaceutical ingredient (API) across an artificial membrane (Lecithin in Dodecane - LiDo). Three sLBFs (M1-M3) with varied composition and ritonavir as model drug were prepared and examined. When comparing the ability of these formulations to keep the drug solubilized in the aqueous phase, all three assays show that M1 performs better, while M3 presents poor performance. However, the classic in vitro intestinal digestion assay fails to provide a clear ranking of the three formulations, something that is more evident when using the two modified and more physiologically relevant assays. Also, the two modified assays provide additional information about the performance of the formulations including the performance in the gastric environment and intestinal flux of the drug. These modified in vitro digestion assays are valuable tools for the development and evaluation of sLBFs to make better informed decisions of which formulations to pursue for in vivo studies.
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Affiliation(s)
- Ioannis I Andreadis
- Department of Pharmacy, Uppsala University, P.O. Box 580, SE-751 23, Uppsala, Sweden; Laboratory of Pharmaceutical Technology, Department of Pharmacy, Faculty of Health Sciences, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece
| | - Arne Schulzen
- Institute of Pharmaceutics and Biopharmaceutics, Heinrich Heine University, Universitätsstraße 1, DE-40225, Düsseldorf, Germany
| | - Julian Quodbach
- Department of Pharmaceutics, Utrecht University, Universiteitsweg 99, 3584 CG, Utrecht, the Netherlands
| | - Christel A S Bergström
- Department of Pharmacy, Uppsala University, P.O. Box 580, SE-751 23, Uppsala, Sweden; The Swedish Drug Delivery Center, Department of Pharmacy, Uppsala University, P.O. Box 580, SE-751 23, Uppsala, Sweden.
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3
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Yilmaz Usta D, Olgac S, Timur B, Teksin ZS. Development and pharmacokinetic evaluation of Neusilin® US2-based S-SNEDDS tablets for bosentan: Fasted and fed states bioavailability, IVIS® real-time biodistribution, and ex-vivo imaging. Int J Pharm 2023; 643:123219. [PMID: 37433349 DOI: 10.1016/j.ijpharm.2023.123219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 07/07/2023] [Accepted: 07/08/2023] [Indexed: 07/13/2023]
Abstract
The study reported here aimed to develop and optimize the S-SNEDDS tablet of bosentan (BOS) and to investigate its pharmacokinetic and biodistribution properties. The BOS-loaded SNEDDS have been developed and characterized in a previous study. The BOS-loaded SNEDDS formulation was converted to S-SNEDDS using Neusilin® US2. The S-SNEDDS tablets were obtained using the direct compression technique, and in vitro dissolution, in vitro lipolysis, and ex-vivo permeability studies of the tablets were performed. The S-SNEDDS tablet and reference tablet (Tracleer®) were administered to male Wistar rats at 50 mg/kg dose by oral gavage in fasted and fed state conditions. The biodistribution of the S-SNEDDS tablet was investigated in Balb/c mice using fluorescent dye. The tablets were dispersed in distilled water before administration to animals. The relationship between in vitro dissolution data and in vivo plasma concentration was examined. The S-SNEDDS tablets showed 2.47, 7.49, 3.70, and 4.39 increases in the percentages of cumulative dissolution in FaSSIF, FeSSIF, FaSSIF-V2, and FeSSIF-V2, respectively, when compared to the reference, and increased the Cmax and AUC 2.65 and 1.28-fold and 4.73 and 2.37-fold in fasted and fed states, respectively, when compared to the reference. S-SNEDDS tablets also significantly reduced interindividual variability in both fasted and fed states (p < 0.05). The XenoLight™ DiR and VivoTag® 680XL labeled S-SNEDDS tablet formulation increased the real-time biodistribution in the body by factors of 2.4 and 3.4 and organ uptake and total emission increased by factors of 2.8 and 3.1, respectively. The IVIVR has been successfully established for S-SNEDDS tablets (R2 > 0.9). The present study confirms the potential of the S-SNEDDS tablet to enhance the in vitro and in vivo performance of BOS.
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Affiliation(s)
- Duygu Yilmaz Usta
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Gazi University, Etiler 06330, Ankara, Turkiye.
| | - Seval Olgac
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Gazi University, Etiler 06330, Ankara, Turkiye.
| | - Burcu Timur
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Gazi University, Etiler 06330, Ankara, Turkiye; Department of Pharmaceutical Technology, Faculty of Pharmacy, Zonguldak Bulent Ecevit University, Esenkoy, 67600, Zonguldak, Turkiye.
| | - Zeynep Safak Teksin
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Gazi University, Etiler 06330, Ankara, Turkiye.
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Raman Kallakunta V, Dudhipala N, Nyavanandi D, Sarabu S, Yadav Janga K, Ajjarapu S, Bandari S, Repka MA. Formulation and processing of solid self-emulsifying drug delivery systems (HME S-SEDDS): A single-step manufacturing process via hot-melt extrusion technology through response surface methodology. Int J Pharm 2023; 641:123055. [PMID: 37207857 PMCID: PMC10429704 DOI: 10.1016/j.ijpharm.2023.123055] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/17/2023] [Accepted: 05/11/2023] [Indexed: 05/21/2023]
Abstract
The objective of the current study is the formulation development and manufacturing of solid self-emulsifying drug delivery systems (HME S-SEDDS) via a single-step continuous hot-melt extrusion (HME) process. For this study, poorly soluble fenofibrate was selected as a model drug. From the results of pre-formulation studies, Compritol® HD5 ATO, Gelucire® 48/16, and Capmul® GMO-50 were selected as oil, surfactant and co-surfactant respectively for manufacturing of HME S-SEDDS. Neusilin® US2 was selected as a solid carrier. The design of experiments (response surface methodology) was employed to prepare formulations via a continuous HME process. The formulations were evaluated for emulsifying properties, crystallinity, stability, flow properties and drug release characteristics. The prepared HME S-SEDDS showed excellent flow properties, and the resultant emulsions were stable. The globule size of the optimized formulation was 269.6 nm. The DSC and XRD studies revealed the amorphous nature of the formulation and FTIR studies showed no significant interaction between fenofibrate and excipients. The drug release studies showed significant (p < 0.05) improvement in solubility compared to the pure drug (DE15 = 45.04 for the optimized formulation), as >90% of drug release was observed within 15 min. The stability studies for the optimized formulation were conducted for 3 months at 40 °C/75% RH.
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Affiliation(s)
| | - Narendar Dudhipala
- Department of Pharmaceutics and Drug Delivery, University of Mississippi 38677, USA
| | - Dinesh Nyavanandi
- Department of Pharmaceutics and Drug Delivery, University of Mississippi 38677, USA
| | - Sandeep Sarabu
- Department of Pharmaceutics and Drug Delivery, University of Mississippi 38677, USA
| | - Karthik Yadav Janga
- Department of Pharmaceutics and Drug Delivery, University of Mississippi 38677, USA
| | - Srinivas Ajjarapu
- Department of Pharmaceutics and Drug Delivery, University of Mississippi 38677, USA
| | - Suresh Bandari
- Department of Pharmaceutics and Drug Delivery, University of Mississippi 38677, USA
| | - Michael A Repka
- Department of Pharmaceutics and Drug Delivery, University of Mississippi 38677, USA; Pii Center for Pharmaceutical Technology, University of Mississippi 38677, USA.
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Mondal S, Sirvi A, Jadhav K, Sangamwar AT. Supersaturating lipid-based solid dispersion of atazanavir provides enhanced solubilization and supersaturation in the digestive aqueous phase. Int J Pharm 2023; 638:122919. [PMID: 37011828 DOI: 10.1016/j.ijpharm.2023.122919] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 02/23/2023] [Accepted: 03/31/2023] [Indexed: 04/04/2023]
Abstract
Understanding and controlling the drug solubilization in digestive environment is of great importance in the design of lipid based solid dispersion (LBSD) for oral delivery of poorly aqueous soluble drugs. In the current study we determined the extent of drug solubilization and supersaturation of supersaturating lipid based solid dispersion which is governed by formulation variables like drug payload, lipid composition, solid carrier properties and lipid to solid carrier ratio. Initially, the impact of lipid chain length and drug payload on drug solubilization in lipid preconcentrate and dispersibility were evaluated to design liquid LbF of the model antiretroviral drug, atazanavir. The temperature induced supersaturation method enhanced the drug payload in medium chain triglyceride formulation at 60 °C. Further, the selected liquid supersaturated LbF was transformed into solid state LbF by employing different solid carriers including silica (Neusilin® US2 and Aerosil® 200), clay (Montmorillonite and Bentonite) and polymer (HPMC-AS and Kollidon® CL-M). The fabricated LBSDs were evaluated for solid state characterization to identify the physical nature of drug. In vitro digestion studies were conducted using pH-stat lipolysis method to assess the supersaturation propensity in aqueous digestive phase. Results revealed that LBSDs with silica and polymer carriers showed maximum drug solubilization throughout experiment compared to liquid LbF. The ionic interaction between drug-clay particles significantly reduced the ATZ partitioning from clay based LBSDs. LBSDs with dual purpose solid carrier like HPMC-AS and Neusilin® US2 offers the potential to improve drug solubilization of ATZ for physiologically relevant time. Lastly, we conclude that evaluation of formulation variables is crucial to achieve optimal performance of supersaturating LBSD.
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Šahinović M, Hassan A, Kristó K, Regdon G, Vranić E, Sovány T. Quality by Design-Based Development of Solid Self-Emulsifying Drug Delivery System (SEDDS) as a Potential Carrier for Oral Delivery of Lysozyme. Pharmaceutics 2023; 15:pharmaceutics15030995. [PMID: 36986855 PMCID: PMC10058933 DOI: 10.3390/pharmaceutics15030995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 03/11/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
For many years, researchers have been making efforts to find a manufacturing technique, as well as a drug delivery system, that will allow for oral delivery of biopharmaceuticals to their target site of action without impairing their biological activity. Due to the positive in vivo outcomes of this formulation strategy, self-emulsifying drug delivery systems (SEDDSs) have been intensively studied in the last few years as a way of overcoming the different challenges associated with the oral delivery of macromolecules. The purpose of the present study was to examine the possibility of developing solid SEDDSs as potential carriers for the oral delivery of lysozyme (LYS) using the Quality by Design (QbD) concept. LYS was successfully ion paired with anionic surfactant, sodium dodecyl sulphate (SDS), and this complex was incorporated into a previously developed and optimized liquid SEDDS formulation comprising medium-chain triglycerides, polysorbate 80, and PEG 400. The final formulation of a liquid SEDDS carrying the LYS:SDS complex showed satisfactory in vitro characteristics as well as self-emulsifying properties (droplet size: 13.02 nm, PDI: 0.245, and zeta potential: -4.85 mV). The obtained nanoemulsions were robust to dilution in the different media and highly stable after 7 days, with a minor increase in droplet size (13.84 nm) and constant negative zeta potential (-0.49 mV). An optimized liquid SEDDS loaded with the LYS:SDS complex was further solidified into powders by adsorption onto a chosen solid carrier, followed by direct compression into self-emulsifying tablets. Solid SEDDS formulations also exhibited acceptable in vitro characteristics, while LYS preserved its therapeutic activity in all phases of the development process. On the basis of the results gathered, loading the hydrophobic ion pairs of therapeutic proteins and peptides to solid SEDDS may serve as a potential method for delivering biopharmaceuticals orally.
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Affiliation(s)
- Merima Šahinović
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Sarajevo, Zmaja od Bosne 8, 71000 Sarajevo, Bosnia and Herzegovina
| | - Alharith Hassan
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u 6., 6720 Szeged, Hungary
| | - Katalin Kristó
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u 6., 6720 Szeged, Hungary
| | - Géza Regdon
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u 6., 6720 Szeged, Hungary
| | - Edina Vranić
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Sarajevo, Zmaja od Bosne 8, 71000 Sarajevo, Bosnia and Herzegovina
| | - Tamás Sovány
- Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, Eötvös u 6., 6720 Szeged, Hungary
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Almotairy A, Almutairi M, Althobaiti A, Alyahya M, Sarabu S, Zhang F, Bandari S, Ashour E, Repka MA. Investigation of hot melt extrusion process parameters on solubility and tabletability of atorvastatin calcium in presence of Neusilin ® US2. J Drug Deliv Sci Technol 2023; 79:104075. [PMID: 37811318 PMCID: PMC10557465 DOI: 10.1016/j.jddst.2022.104075] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Reports in the literature indicate that hot-melt extrusion (HME) processing techniques could alter the mechanical properties of the pharmaceutical physical blend, which may alter successful processing during tableting. The aim of this study was to evaluate whether HME processing conditions have an impact on the tabletability of Atorvastatin calcium trihydrate (ATR) in the presence of Neusilin® US2 (NUS2). ATR drug load of 25% was mixed with 75% of NUS2 and extruded using two screw configurations, screw speeds, and feed rates. Solid-state thermal analysis showed that ATR transformed to an amorphous form which led to improved solubility. ATR tabletability was affected positively by screw configuration that had no shearing and mixing force. SEM analysis indicated that a conveying screw configuration preserved the spherical nature of NUS2, thus improving ATR tabletability. This novel study demonstrates the significance of changing and monitoring the HME process parameters, which impact the materials' mechanical properties and may prevent adverse outcomes during tableting.
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Affiliation(s)
- Ahmed Almotairy
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
- Pharmaceutics and Pharmaceutical Technology Department, College of Pharmacy Taibah University, Al Madinah AlMunawarah 30001, Saudi Arabia
| | - Mashan Almutairi
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
- Department of Pharmaceutics, College of Pharmacy, University of Hail, Hail, 81442, Saudi Arabia
| | - Abdulmajeed Althobaiti
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
| | - Mohammed Alyahya
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Sandeep Sarabu
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
| | - Feng Zhang
- College of Pharmacy, The University of Texas at Austin, TX, 78712, USA
| | - Suresh Bandari
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
| | - Eman Ashour
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
| | - Michael A. Repka
- Department of Pharmaceutics and Drug Delivery, School of Pharmacy, The University of Mississippi, University, MS 38677, USA
- Pii Center for Pharmaceutical Technology, The University of Mississippi, University, MS 38677, USA
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Tabboon P, Pongjanyakul T, Limpongsa E, Jaipakdee N. In Vitro Release, Mucosal Permeation and Deposition of Cannabidiol from Liquisolid Systems: The Influence of Liquid Vehicles. Pharmaceutics 2022; 14:pharmaceutics14091787. [PMID: 36145536 PMCID: PMC9503133 DOI: 10.3390/pharmaceutics14091787] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/12/2022] [Accepted: 08/23/2022] [Indexed: 01/15/2023] Open
Abstract
This work investigated the influence of liquid vehicles on the release, mucosal permeation and deposition of cannabidiol (CBD) from liquisolid systems. Various vehicles, including EtOH, nonvolatile low- and semi-polar solvents, and liquid surfactants, were investigated. The CBD solution was converted into free-flowing powder using carrier (microcrystalline cellulose) and coating materials (colloidal silica). A physical mixture of the CBD and carrier–coating materials was prepared as a control. The non-crystalline state of CBD in the liquisolid systems was confirmed using XRD, FTIR and SEM studies. The CBD liquisolid powder prepared with volatile and nonvolatile solvents had a better CBD release performance than the CBD formed as the surfactant-based and control powders. The liquisolid systems provided the CBD permeation flux through porcine esophageal mucosa ranging from 0.68 ± 0.11 to 13.68 ± 0.74 µg·cm−2·h−1, with the CBD deposition levels of 0.74 ± 0.04 to 2.62 ± 0.30 μg/mg for the dry mucosa. Diethylene glycol monoethyl ether showed significant CBD permeation enhancement (2.1 folds) without an increase in mucosal deposition, while the surfactants retarded the permeation (6.7–9.0 folds) and deposition (1.5–3.2 folds) significantly. In conclusion, besides the drug release, liquid vehicles significantly influence mucosal permeation and deposition, either enhanced or suppressed, in liquisolid systems. Special attention must be paid to the selection and screening of suitable liquid vehicles for liquisolid systems designed for transmucosal applications.
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Affiliation(s)
- Peera Tabboon
- Division of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
- Center for Research and Development of Herbal Health Products, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Thaned Pongjanyakul
- Division of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Ekapol Limpongsa
- College of Pharmacy, Rangsit University, Pathumthani 12000, Thailand
- Correspondence: (E.L.); (N.J.); Tel.: +66-80-5194956 (E.L.); +66-81-9749228 (N.J.)
| | - Napaphak Jaipakdee
- Division of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
- Center for Research and Development of Herbal Health Products, Khon Kaen University, Khon Kaen 40002, Thailand
- Correspondence: (E.L.); (N.J.); Tel.: +66-80-5194956 (E.L.); +66-81-9749228 (N.J.)
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Lee YZ, Seow EK, Lim SC, Yuen KH, Karim Khan NA. Formulation of oily tocotrienols as a solid self-emulsifying dosage form for improved oral bioavailability in human subjects. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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10
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Utilization of Pharmaceutical Technology Methods for the Development of Innovative Porous Metasilicate Pellets with a Very High Specific Surface Area for Chemical Warfare Agents Detection. Pharmaceutics 2021; 13:pharmaceutics13111860. [PMID: 34834274 PMCID: PMC8622269 DOI: 10.3390/pharmaceutics13111860] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/27/2021] [Accepted: 11/02/2021] [Indexed: 12/02/2022] Open
Abstract
Pharmaceutical technology offers various dosage forms that can be applied interdisciplinary. One of them are spherical pellets which could be utilized as a carrier in emerging second-generation detection tubes. This detection system requires carriers with high specific surface area (SSA), which should allow better adsorption of toxic substances and detection reagents. In this study, a magnesium aluminometasilicate with high SSA was utilized along with various concentrations of volatile substances (menthol, camphor and ammonium bicarbonate) to increase further the carrier SSA after their sublimation. The samples were evaluated in terms of physicochemical parameters, their morphology was assessed by scanning electron microscopy, and the Brunauer–Emmett–Teller (BET) method was utilized to measure SSA. The samples were then impregnated with a detection reagent o-phenylenediamine-pyronine and tested with diphosgene. Only samples prepared using menthol or camphor were found to show red fluorescence under the UV light in addition to the eye-visible red-violet color. This allowed the detection of diphosgene/phosgene at a concentration of only 0.1 mg/m3 in the air for samples M20.0 and C20.0 with their SSA higher than 115 m2/g, thus exceeding the sensitivity of the first-generation DT-12 detection tube.
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Khursheed R, Singh SK, Wadhwa S, Gulati M, Kapoor B, Jain SK, Gowthamarajan K, Zacconi F, Chellappan DK, Gupta G, Jha NK, Gupta PK, Dua K. Development of mushroom polysaccharide and probiotics based solid self-nanoemulsifying drug delivery system loaded with curcumin and quercetin to improve their dissolution rate and permeability: State of the art. Int J Biol Macromol 2021; 189:744-757. [PMID: 34464640 DOI: 10.1016/j.ijbiomac.2021.08.170] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 08/18/2021] [Accepted: 08/22/2021] [Indexed: 02/07/2023]
Abstract
The role of mushroom polysaccharides and probiotics as pharmaceutical excipients for development of nanocarriers has never been explored. In the present study an attempt has been made to explore Ganoderma lucidum extract powder (GLEP) containing polysaccharides and probiotics to convert liquid self nanoemulsifying drug delivery system (SNEDDS) into solid free flowing powder. Two lipophilic drugs, curcumin and quercetin were used in this study due to their dissolution rate limited oral bioavailability and poor permeability. These were loaded into liquid SNEDDS by dissolving them into isotropic mixture of Labrafill M1944CS, Capmul MCM, Tween-80 and Transcutol P. The liquid SNEDDS were solidified using probiotics and mushroom polysaccharides as carriers and Aerosil-200 as coating agent. The solidification was carried out using spray drying process. The process and formulation variables for spray drying process of liquid SNEDDS were optimized using Box Behnken Design to attain required powder properties. The release of both drugs from the optimized spray dried (SD) formulation was found to be more than 90%, whereas, it was less than 20% for unprocessed drugs. The results of DSC, PXRD and SEM, showed that the developed L-SNEDDS preconcentrate was successfully loaded onto the porous surface of probiotics, mushroom polysaccharides and Aerosil-200.
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Affiliation(s)
- Rubiya Khursheed
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India.
| | - Sheetu Wadhwa
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Monica Gulati
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Bhupinder Kapoor
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Subheet Kumar Jain
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, India
| | - Kuppusamy Gowthamarajan
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India; Centre of Excellence in Nanoscience & Technology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India
| | - Flavia Zacconi
- Departamento de Química Orgánica, Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile; Institute for Biological and Medical Engineering, Schools of Engineering, Medicine and Biological Sciences, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Bukit Jalil, 57000 Kuala Lumpur, Malaysia
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Mahal Road, Jagatpura, Jaipur, India
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering & Technology (SET), Sharda University, Greater Noida 201310, India
| | - Piyush Kumar Gupta
- Department of Life Sciences, School of Basic Sciences and Research, Sharda University, Knowledge Park III, Greater Noida, Uttar Pradesh 201310, India
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW 2007, Australia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW 2007, Australia
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12
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Formulation and In Vivo Evaluation of a Solid Self-Emulsifying Drug Delivery System Using Oily Liquid Tocotrienols as Model Active Substance. Pharmaceutics 2021; 13:pharmaceutics13111777. [PMID: 34834191 PMCID: PMC8621674 DOI: 10.3390/pharmaceutics13111777] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/13/2021] [Accepted: 10/14/2021] [Indexed: 11/17/2022] Open
Abstract
Self-emulsifying drug delivery systems (SEDDS) can improve the oral bioavailability of poorly water-soluble drugs. Solid self-emulsifying drug delivery systems (s-SEDDS) offer several advantages including improved drug stability, ease of administration, and production. Most compounds employed in developing s-SEDDS are solid in nature, with a high amount of surfactants added. The aim of this study was to develop an s-SEDDS using a tocotrienol-rich fraction (TRF) as the model liquid active substance via a simple adsorption method. The solid formulation was developed using magnesium aluminosilicate as the carrier with 70% TRF and 30% surfactants (poloxamer and Labrasol®). The formulation showed good self-emulsification efficiency with stable emulsion formed, excellent powder flowability, and small emulsion droplet size of 210–277 nm. The s-SEDDS with combined surfactants (poloxamer and Labrasol®) showed a faster absorption rate compared to preparations with only a single surfactant and enhanced oral bioavailability (3.4–3.8 times higher) compared to the non-self-emulsifying oily preparation when administered at a fasted state in rats. In conclusion, an s-SEDDS containing a high amount of TRF was successfully developed. It may serve as a useful alternative to a liquid product with enhanced oral bioavailability and the added advantage of being a solid dosage form.
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13
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Solid self emulsifying drug delivery system: Superior mode for oral delivery of hydrophobic cargos. J Control Release 2021; 337:646-660. [PMID: 34384795 DOI: 10.1016/j.jconrel.2021.08.013] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 08/06/2021] [Accepted: 08/07/2021] [Indexed: 12/11/2022]
Abstract
A significant proportion of recently approved drug molecules possess poor aqueous solubility which further restrains their desired bioavailability. Poor aqueous solubility of these drugs poses significant hurdles in development of novel drug delivery systems and achieving target response. Self-emulsifying drug delivery systems (SEDDS) emerged as an insightful approach for delivering highly hydrophobic entities to enhance their bioavailability. Conventional SEDDS were developed in a liquid form which owned numerous shortcomings like low stability and drug loading efficiency, fewer choices of dosage forms and irreversible precipitation of drug or excipients. To address these curbs solid-SEDDS (S-SEDDS) was introduced as an efficient strategy that combined advantages of solid dosage forms such as increased stability, portability and patient compliance along with substantial improvement in the bioavailability. S-SEDDS are isotropic mixtures of oil, surfactant, solvent and co-solvents generated by solidification of liquid or semisolid self-emulsifying ingredients onto powders. The present review highlights components of S-SEDDS, their peculiarities to be considered while designing solid dosage forms and various methods of fabrication. Lastly, key challenges faced during development, applications and future directions for the research in this area are thoroughly summarized.
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14
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Pohlen M, Pirker L, Dreu R. The Potential of Macroporous Silica-Nanocrystalline Cellulose Combination for Formulating Dry Emulsion Systems with Improved Flow Properties: A DoE Study. Pharmaceutics 2021; 13:pharmaceutics13081177. [PMID: 34452137 PMCID: PMC8399492 DOI: 10.3390/pharmaceutics13081177] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 07/28/2021] [Accepted: 07/28/2021] [Indexed: 12/02/2022] Open
Abstract
The objective of this study was to explore the possible use of a new combination of two excipients, i.e., nanocrystalline cellulose (NCC) and macroporous silica (MS), as matrix materials for the compounding of dry emulsion systems and the effects these two excipients have on the characteristics of dry emulsion powders produced by the spray drying process. A previously developed liquid O/W nanoemulsion, comprised of simvastatin, 1-oleoyl-rac-glycerol, Miglyol 812 and Tween 20, was employed. In order to comprehend the effects that these two matrix formers have on the spray drying process and on dry emulsion powder characteristics, alone and in combination, a DoE (Design of Experiment) approach was used. The physicochemical properties of dry emulsion samples were characterised by atomic force microscopy, scanning electron microscopy, mercury intrusion porosimetry, energy-dispersive X-ray spectroscopy and laser diffraction analysis. Additionally, total release and dissolution experiments were performed to assess drug release from multiple formulations. It was found that the macroporous silica matrix drastically improved flow properties of dry emulsion powders; however, it partially trapped the oil—drug mixture inside the pores and hindered complete release. NCC showed its potential to reduce oil entrapment in MS, but because of its rod-shaped particles deposited on the MS surface, powder flowability was deteriorated.
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Affiliation(s)
- Mitja Pohlen
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva Cesta 7, SI-1000 Ljubljana, Slovenia;
| | - Luka Pirker
- Jožef Stefan Institute, Jamova Cesta 39, SI-1000 Ljubljana, Slovenia;
| | - Rok Dreu
- Faculty of Pharmacy, University of Ljubljana, Aškerčeva Cesta 7, SI-1000 Ljubljana, Slovenia;
- Correspondence: ; Tel.: +386-1-47-69-622; Fax: +386-1-47-69-512
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15
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Sarabu S, Kallakunta VR, Butreddy A, Janga KY, Ajjarapu S, Bandari S, Zhang F, Murthy SN, Repka MA. A One-Step Twin-Screw Melt Granulation with Gelucire 48/16 and Surface Adsorbent to Improve the Solubility of Poorly Soluble Drugs: Effect of Formulation Variables on Dissolution and Stability. AAPS PharmSciTech 2021; 22:79. [PMID: 33606113 DOI: 10.1208/s12249-021-01945-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 01/26/2021] [Indexed: 11/30/2022] Open
Abstract
Fenofibrate is an effective lipid-lowering drug; however, its poor solubility and high log p (5.2) result in insufficient absorption from the gastrointestinal tract, leading to poor bioavailability. In this study, a one-step continuous twin-screw melt granulation process was investigated to improve the solubility and dissolution of fenofibrate using Gelucire® 48/16 and Neusilin® US2 as the solubilizer and surface adsorbent, respectively. The formulations (granules) were prepared at different ratios of fenofibrate, Gelucire® 48/16, and Neusilin® US2 based on phase-solubility studies and characterized using dissolution, differential scanning calorimetry, powder X-ray diffraction, and scanning electron microscopy analyses and studies on flow properties. In the phase-solubility studies, a linear relation was observed between Gelucire® 48/16 concentration and the amount of fenofibrate dissolved. In contrast, the dissolution rate of the prepared formulations was independent of the fenofibrate: Gelucire® 48/16 ratio and dependent on the Neusilin® US2 levels in the formulation. Increasing Neusilin® US2 levels decreased the rate of dissolution of the granules but improved the stability of the tablets under storage at accelerated stability conditions. Interestingly, higher Gelucire® 48/16 levels in the granules resulted in tablets with a hard matrix, which slowed disintegration and dissolution. All formulations exhibited improved dissolution compared to pure fenofibrate.
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16
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Friedl JD, Jörgensen AM, Le‐Vinh B, Braun DE, Tribus M, Bernkop-Schnürch A. Solidification of self-emulsifying drug delivery systems (SEDDS): Impact on storage stability of a therapeutic protein. J Colloid Interface Sci 2021; 584:684-697. [DOI: 10.1016/j.jcis.2020.11.051] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 11/02/2020] [Accepted: 11/11/2020] [Indexed: 12/11/2022]
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17
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Relevance of the theoretical critical pore radius in mesoporous silica for fast crystallizing drugs. Int J Pharm 2020; 591:120019. [DOI: 10.1016/j.ijpharm.2020.120019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/21/2020] [Accepted: 10/22/2020] [Indexed: 12/20/2022]
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18
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Almasri R, Joyce P, Schultz HB, Thomas N, Bremmell KE, Prestidge CA. Porous Nanostructure, Lipid Composition, and Degree of Drug Supersaturation Modulate In Vitro Fenofibrate Solubilization in Silica-Lipid Hybrids. Pharmaceutics 2020; 12:pharmaceutics12070687. [PMID: 32708197 PMCID: PMC7408050 DOI: 10.3390/pharmaceutics12070687] [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: 07/03/2020] [Revised: 07/20/2020] [Accepted: 07/20/2020] [Indexed: 01/08/2023] Open
Abstract
The unique nanostructured matrix obtained by silica-lipid hybrids (SLHs) is well known to improve the dissolution, absorption, and bioavailability of poorly water-soluble drugs (PWSDs). The aim of this study was to investigate the impact of: (i) drug load: 3–22.7% w/w, (ii) lipid type: medium-chain triglyceride (Captex 300) and mono and diester of caprylic acid (Capmul PG8), and (iii) silica nanostructure: spray dried fumed silica (FS) and mesoporous silica (MPS), on the in vitro dissolution, solubilization, and solid-state stability of the model drug fenofibrate (FEN). Greater FEN crystallinity was detected at higher drug loads and within the MPS formulations. Furthermore, an increased rate and extent of dissolution was achieved by FS formulations when compared to crystalline FEN (5–10-fold), a commercial product; APO-fenofibrate (2.4–4-fold) and corresponding MPS formulations (2–4-fold). Precipitation of FEN during in vitro lipolysis restricted data interpretation, however a synergistic effect between MPS and Captex 300 in enhancing FEN aqueous solubilization was attained. It was concluded that a balance between in vitro performance and drug loading is key, and the optimum drug load was determined to be between 7–16% w/w, which corresponds to (200–400% equilibrium solubility in lipid Seq). This study provides valuable insight into the impact of key characteristics of SLHs, in constructing optimized solid-state lipid-based formulations for the oral delivery of PWSDs.
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Affiliation(s)
- Ruba Almasri
- UniSA Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia; (R.A.); (P.J.); (H.B.S.); (N.T.); (K.E.B.)
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Adelaide 5000, Australia
| | - Paul Joyce
- UniSA Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia; (R.A.); (P.J.); (H.B.S.); (N.T.); (K.E.B.)
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Adelaide 5000, Australia
| | - Hayley B. Schultz
- UniSA Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia; (R.A.); (P.J.); (H.B.S.); (N.T.); (K.E.B.)
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Adelaide 5000, Australia
| | - Nicky Thomas
- UniSA Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia; (R.A.); (P.J.); (H.B.S.); (N.T.); (K.E.B.)
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Adelaide 5000, Australia
| | - Kristen E. Bremmell
- UniSA Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia; (R.A.); (P.J.); (H.B.S.); (N.T.); (K.E.B.)
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Adelaide 5000, Australia
| | - Clive A. Prestidge
- UniSA Clinical and Health Sciences, University of South Australia, Adelaide 5000, Australia; (R.A.); (P.J.); (H.B.S.); (N.T.); (K.E.B.)
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, University of South Australia, Adelaide 5000, Australia
- Correspondence: ; Tel.: +61-8830-22438
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19
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Pramanik S, Thakkar H. Development of Solid Self-Microemulsifying System of Tizanidine Hydrochloride for Oral Bioavailability Enhancement: In Vitro and In Vivo Evaluation. AAPS PharmSciTech 2020; 21:182. [PMID: 32613377 DOI: 10.1208/s12249-020-01734-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Accepted: 06/17/2020] [Indexed: 01/15/2023] Open
Abstract
The aim of the present investigation was to formulate self-microemulsifying drug delivery system (SMEDDS) tablets to enhance the oral bioavailability of tizanidine hydrochloride. SMEDDS was prepared by using Capmul G as the oil phase, Tween 20 as the surfactant, and propylene glycol as the co-surfactant. The optimized formulation was characterized by dilution test, % transmittance, thermodynamic stability, dye solubility, assay, globule size, zeta potential, and TEM. A dye solubility test confirmed the formation of o/w microemulsion. Optimized formulation of SMEDDS had a drug content of 98 ± 0.75% (3.2± 0.3 mg) and droplet size of 96.61 ± 2.3 nm. Dilution and centrifugation tests indicated the physical stability of the formulation. The optimized SMEDDS was mixed with Neusilin as adsorbent, microcrystalline cellulose as diluent, and magnesium stearate as flow promoter, and compressed into tablets. The prepared tablets passed the tests of weight variation, hardness, friability, and assay. In vitro dissolution test indicated sustained release of tizanidine hydrochloride from the SMEDDS tablet for a period of 4 h. In vivo pharmacokinetic studies performed on male New Zealand rabbits showed a 4.61-fold increase in bioavailability compared with the marketed formulation. Thus, the developed SMEDDS tablet proved to be capable of enhancing oral bioavailability of tizanidine hydrochloride. Graphical abstract.
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20
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Development and characterization of curcumin-loaded solid self-emulsifying drug delivery system (SEDDS) by spray drying using Soluplus® as solid carrier. POWDER TECHNOL 2020. [DOI: 10.1016/j.powtec.2020.05.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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21
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In Vitro Performance and Chemical Stability of Lipid-Based Formulations Encapsulated in a Mesoporous Magnesium Carbonate Carrier. Pharmaceutics 2020; 12:pharmaceutics12050426. [PMID: 32384752 PMCID: PMC7284621 DOI: 10.3390/pharmaceutics12050426] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 04/29/2020] [Accepted: 05/04/2020] [Indexed: 02/07/2023] Open
Abstract
Lipid-based formulations can circumvent the low aqueous solubility of problematic drug compounds and increase their oral absorption. As these formulations are often physically unstable and costly to manufacture, solidification has been suggested as a way to minimize these issues. This study evaluated the physicochemical stability and in vitro performance of lipid-loaded mesoporous magnesium carbonate (MMC) particles with an average pore size of 20 nm. A medium chain lipid was loaded onto the MMC carrier via physical adsorption. A modified in vitro lipolysis setup was then used to study lipid release and digestion with 1H nuclear magnetic resonance spectroscopy. The lipid loading efficiency with different solidification techniques was also evaluated. The MMC, unlike more commonly used porous silicate carriers, dissolved during the lipolysis assay, providing a rapid release of encapsulated lipids into solution. The digestion of the dispersed lipid-loaded MMC therefore resembled that of a coarse dispersion of the lipid. The stability data demonstrated minor degradation of the lipid within the pores of the MMC particles, but storage for three months did not reveal extensive degradation. To conclude, lipids can be adsorbed onto MMC, creating a solid powder from which the lipid is readily released into the solution during in vitro digestion. The chemical stability of the formulation does however merit further attention.
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22
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Park H, Ha ES, Kim MS. Current Status of Supersaturable Self-Emulsifying Drug Delivery Systems. Pharmaceutics 2020; 12:pharmaceutics12040365. [PMID: 32316199 PMCID: PMC7238279 DOI: 10.3390/pharmaceutics12040365] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 04/09/2020] [Accepted: 04/14/2020] [Indexed: 12/13/2022] Open
Abstract
Self-emulsifying drug delivery systems (SEDDSs) are a vital strategy to enhance the bioavailability (BA) of formulations of poorly water-soluble compounds. However, these formulations have certain limitations, including in vivo drug precipitation, poor in vitro in vivo correlation due to a lack of predictive in vitro tests, issues in handling of liquid formulation, and physico-chemical instability of drug and/or vehicle components. To overcome these limitations, which restrict the potential usage of such systems, the supersaturable SEDDSs (su-SEDDSs) have gained attention based on the fact that the inclusion of precipitation inhibitors (PIs) within SEDDSs helps maintain drug supersaturation after dispersion and digestion in the gastrointestinal tract. This improves the BA of drugs and reduces the variability of exposure. In addition, the formulation of solid su-SEDDSs has helped to overcome disadvantages of liquid or capsule dosage form. This review article discusses, in detail, the current status of su-SEDDSs that overcome the limitations of conventional SEDDSs. It discusses the definition and range of su-SEDDSs, the principle mechanisms underlying precipitation inhibition and enhanced in vivo absorption, drug application cases, biorelevance in vitro digestion models, and the development of liquid su-SEDDSs to solid dosage forms. This review also describes the effects of various physiological factors and the potential interactions between PIs and lipid, lipase or lipid digested products on the in vivo performance of su-SEDDSs. In particular, several considerations relating to the properties of PIs are discussed from various perspectives.
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23
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Mechanistic aspects of drug loading in liquisolid systems with hydrophilic lipid-based mixtures. Int J Pharm 2020; 578:119099. [DOI: 10.1016/j.ijpharm.2020.119099] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 01/27/2020] [Accepted: 01/28/2020] [Indexed: 02/07/2023]
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24
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Ma Y, Wang Q, Wang D, Huang J, Sun R, Mao X, Tian Y, Xia Q. Silica-Lipid Hybrid Microparticles as Efficient Vehicles
for Enhanced Stability and Bioaccessibility of Curcumin. Food Technol Biotechnol 2019; 57:319-330. [PMID: 31866745 PMCID: PMC6902299 DOI: 10.17113/ftb.57.03.19.6035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Curcumin is an active ingredient with multiple functions, but its application is often restricted due to its poor water solubility, weak stability, and consequently low bioaccessibility. Based on this, the aim of this work is to develop a new vehicle to overcome these restrictions. Here we developed a curcumin-loaded nanoemulsion and then curcumin-loaded silica-lipid hybrid microparticles through emulsification and vacuum drying, respectively. The loading of curcumin in the nanoemulsion and microparticles was (0.30±0.02) and (0.67±0.02) %, respectively. FTIR and XRD analyses of microparticles revealed that curcumin was encapsulated in porous, amorphous silica. In vitro antioxidant activities showed that the encapsulation would not affect the antioxidant activity of curcumin. In vitro simulated digestion indicated that nanoemulsion and microparticles had higher curcumin bioaccessibility than the control group. The storage stability of microparticles remained the same during 6 weeks in the dark at 4, 25 and 40 °C. Moreover, the microparticles had a better chemical stability than nanoemulsion under the light. The cell viability was over 80% when the concentration of nanocarriers was less than 45 μg/mL. Hence, the microparticles could be a promising means to load curcumin and improve its solubility, light stability and bioaccessibility.
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Affiliation(s)
- Yudi Ma
- School of Biological Science and Medical Engineering, State Key Laboratory of Bioelectronics, Southeast University, No.2, Sipailou Street, 210096 Nanjing, PR China.,National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, No. 2, Sipailou Street, 210096 Nanjing,
PR China.,Collaborative Innovation Center of Suzhou Nano Science and Technology, No. 150 Renai Road 215123 Suzhou, PR China
| | - Qiang Wang
- School of Biological Science and Medical Engineering, State Key Laboratory of Bioelectronics, Southeast University, No.2, Sipailou Street, 210096 Nanjing, PR China.,National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, No. 2, Sipailou Street, 210096 Nanjing,
PR China.,Collaborative Innovation Center of Suzhou Nano Science and Technology, No. 150 Renai Road 215123 Suzhou, PR China
| | - Dantong Wang
- School of Biological Science and Medical Engineering, State Key Laboratory of Bioelectronics, Southeast University, No.2, Sipailou Street, 210096 Nanjing, PR China.,National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, No. 2, Sipailou Street, 210096 Nanjing,
PR China.,Collaborative Innovation Center of Suzhou Nano Science and Technology, No. 150 Renai Road 215123 Suzhou, PR China
| | - Juan Huang
- School of Biological Science and Medical Engineering, State Key Laboratory of Bioelectronics, Southeast University, No.2, Sipailou Street, 210096 Nanjing, PR China.,National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, No. 2, Sipailou Street, 210096 Nanjing,
PR China.,Collaborative Innovation Center of Suzhou Nano Science and Technology, No. 150 Renai Road 215123 Suzhou, PR China
| | - Rui Sun
- School of Biological Science and Medical Engineering, State Key Laboratory of Bioelectronics, Southeast University, No.2, Sipailou Street, 210096 Nanjing, PR China.,National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, No. 2, Sipailou Street, 210096 Nanjing,
PR China
| | - Xinyu Mao
- School of Biological Science and Medical Engineering, State Key Laboratory of Bioelectronics, Southeast University, No.2, Sipailou Street, 210096 Nanjing, PR China.,National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, No. 2, Sipailou Street, 210096 Nanjing,
PR China
| | - Yuan Tian
- School of Biological Science and Medical Engineering, State Key Laboratory of Bioelectronics, Southeast University, No.2, Sipailou Street, 210096 Nanjing, PR China.,National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, No. 2, Sipailou Street, 210096 Nanjing,
PR China
| | - Qiang Xia
- School of Biological Science and Medical Engineering, State Key Laboratory of Bioelectronics, Southeast University, No.2, Sipailou Street, 210096 Nanjing, PR China.,National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, No. 2, Sipailou Street, 210096 Nanjing,
PR China.,Collaborative Innovation Center of Suzhou Nano Science and Technology, No. 150 Renai Road 215123 Suzhou, PR China
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25
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Joyce P, Dening TJ, Meola TR, Schultz HB, Holm R, Thomas N, Prestidge CA. Solidification to improve the biopharmaceutical performance of SEDDS: Opportunities and challenges. Adv Drug Deliv Rev 2019; 142:102-117. [PMID: 30529138 DOI: 10.1016/j.addr.2018.11.006] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 11/21/2018] [Accepted: 11/27/2018] [Indexed: 01/28/2023]
Abstract
Self-emulsifying drug delivery systems (SEDDS) offer potential for overcoming the inherent slow dissolution and poor oral absorption of hydrophobic drugs by retaining them in a solubilised state during gastrointestinal transit. However, the promising biopharmaceutical benefits of liquid lipid formulations has not translated into widespread commercial success, due to their susceptibility to long term storage and in vivo precipitation issues. One strategy that has emerged to overcome such limitations, is to combine the solubilisation and dissolution enhancing properties of lipids with the stabilising effects of solid carrier materials. The development of intelligent hybrid drug formulations has presented new opportunities to harness the potential of emulsified lipids in optimising oral bioavailability for lipophilic therapeutics. Specific emphasis of this review is placed on the impact of solidification approaches and excipients on the biopharmaceutical performance of self-emulsifying lipids, with findings highlighting the key design considerations that should be implemented when developing hybrid lipid-based formulations.
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26
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Dening TJ, Joyce P, Prestidge CA. Improving Correlations Between Drug Solubilization and In Vitro Lipolysis by Monitoring the Phase Partitioning of Lipolytic Species for Lipid-Based Formulations. J Pharm Sci 2019; 108:295-304. [DOI: 10.1016/j.xphs.2018.09.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 08/21/2018] [Accepted: 09/17/2018] [Indexed: 10/28/2022]
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27
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Patki M, Patel K. Development of a solid supersaturated self-nanoemulsifying preconcentrate (S-superSNEP) of fenofibrate using dimethylacetamide and a novel co-processed excipient. Drug Dev Ind Pharm 2018; 45:405-414. [DOI: 10.1080/03639045.2018.1546311] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Manali Patki
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John’s University, New York, USA
| | - Ketankumar Patel
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John’s University, New York, USA
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28
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Dening TJ, Joyce P, Webber JL, Beattie DA, Prestidge CA. Inorganic surface chemistry and nanostructure controls lipolytic product speciation and partitioning during the digestion of inorganic-lipid hybrid particles. J Colloid Interface Sci 2018; 532:666-679. [DOI: 10.1016/j.jcis.2018.08.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 08/05/2018] [Accepted: 08/06/2018] [Indexed: 01/27/2023]
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29
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Huang J, Qian A, Sun R, Xia Q. Preparation and characterization of coenzyme Q10 loaded solid lipid-based formulations for enhancement of gastrointestinal solubilization. J DISPER SCI TECHNOL 2018. [DOI: 10.1080/01932691.2018.1515023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Juan Huang
- School of Biological Science and Medical Engineering, State Key Laboratory of Bioelectronics, Southeast University, Nanjing, P. R. China
| | - Airui Qian
- School of Biological Science and Medical Engineering, State Key Laboratory of Bioelectronics, Southeast University, Nanjing, P. R. China
- National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, Nanjing, P. R. China
- Collaborative Innovation Center, Suzhou Nano Science and Technology, Suzhou, P. R. China
| | - Rui Sun
- School of Biological Science and Medical Engineering, State Key Laboratory of Bioelectronics, Southeast University, Nanjing, P. R. China
- National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, Nanjing, P. R. China
- Collaborative Innovation Center, Suzhou Nano Science and Technology, Suzhou, P. R. China
| | - Qiang Xia
- School of Biological Science and Medical Engineering, State Key Laboratory of Bioelectronics, Southeast University, Nanjing, P. R. China
- National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, Nanjing, P. R. China
- Collaborative Innovation Center, Suzhou Nano Science and Technology, Suzhou, P. R. China
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30
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Bolko Seljak K, Ilić IG, Gašperlin M, Zvonar Pobirk A. Self-microemulsifying tablets prepared by direct compression for improved resveratrol delivery. Int J Pharm 2018; 548:263-275. [PMID: 29969713 DOI: 10.1016/j.ijpharm.2018.06.065] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 06/28/2018] [Accepted: 06/29/2018] [Indexed: 02/07/2023]
Abstract
The purpose of this study was to develop self-microemulsifying (SME-) tablets to improve resveratrol solubility whilst delivering resveratrol in a preferred tablet dosage form. Resveratrol was dissolved in liquid self-microemulsifying drug delivery system (SMEDDS) (10% w/w) and solidified through adsorption on several different solid carriers. Two ranges of synthetic amorphous silica (Sylysia® 290, 350, 470, 580; Syloid® 244FP, AL-1FP) as well as granulated magnesium aluminometasilicate (Neusilin® US2) were screened for their SMEDDS adsorbent capacity. The most efficient carrier from every range was chosen for further SME-tablet development. To counteract the high ratio of liquid in SME-tablets, additional dry binders (microcrystalline cellulose, copovidone) were added to the tableting mixture, as well as superdisintegrant (croscarmellose sodium) and lubricant (magnesium stearate). Finally, approx. 600 mg tablets were directly pressed using 12 mm flat face punch, containing 41.75% SMEDDS. Overall, all tablets exhibited sufficient hardness (>50 N), although it was negatively affected by higher compression force. Tablets with Neusilin® US2 proved to have highest hardness, as granulated structure of Neusilin® US2 provided best compaction properties needed for successful direct compression of tablets. All prepared SME tablet formulations disintegrated in under 10 min and formed microemulsions (droplet size < 100 nm) upon dilution with water, with Neusilin® US2 tablets exhibiting the lowest droplet size (<30 nm). While conventional dissolution test indicated incomplete resveratrol release from solid carriers in both pH 1.2 and 6.8 media, no difference fatty acid amount titrated during fasted state in vitro lipolysis between liquid and solid SMEDDS was observed. Moreover, accelerated stability tests confirmed over 90% of trans-resveratrol remained in solid SMEDDS following 90 days at 40 °C, with no crystallization of resveratrol observed during that time. To sum up, through adsorption on solid carriers, in particular Neusilin® US2, SMEDDS was successfully transformed into a directly compressible mixture and tableted without the loss of its self-microemulsifying ability.
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Affiliation(s)
| | - Ilija German Ilić
- Univerza v Ljubljani, Fakulteta za farmacijo, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Mirjana Gašperlin
- Univerza v Ljubljani, Fakulteta za farmacijo, Aškerčeva 7, 1000 Ljubljana, Slovenia
| | - Alenka Zvonar Pobirk
- Univerza v Ljubljani, Fakulteta za farmacijo, Aškerčeva 7, 1000 Ljubljana, Slovenia.
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31
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Development of ternary solid dispersions with hydrophilic polymer and surface adsorbent for improving dissolution rate of carbamazepine. Saudi Pharm J 2018; 26:725-732. [PMID: 29991917 PMCID: PMC6035321 DOI: 10.1016/j.jsps.2018.02.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Accepted: 02/05/2018] [Indexed: 12/13/2022] Open
Abstract
In this study solid dispersions of carbamazepine in the hydrophilic Kollidon® VA64 polymer, adsorbed onto Neusilin® UFL2 adsorption carrier have been employed to improve carbamazepine dissolution rate. In order to evaluate effects of changing in the proportions of all solid dispersion components on carbamazepine dissolution rate, D-optimal mixture experimental design was used in the formulation development. From all prepared solid dispersion formulations, significantly faster carbamazepine dissolution was observed compared to pure drug. Ternary solid dispersions containing carbamazepine, Kollidon® VA64 and Neusilin® UFL2 showed superior dissolution performances over binary ones, containing only carbamazepine and Neusilin® UFL2. Proportion of Kollidon® VA64 showed the most profound effect on the amount of carbamazepine dissolved after 10 and 30 min, whereby these parameters increase upon increasing in Kollidon® VA64 concentrations up to the middle values in the studied range of Kollidon® VA64 concentrations. Physicochemical characterization of the selected samples using differential scanning calorimetry, FT-IR spectroscopy, powder X-ray diffraction and polarizing light microscopy showed polymorphic transition of carbamazepine from more thermodynamically stable monoclinic form (form III) to less thermodynamically stable triclinic form (form I) in the case of ternary, but not of binary solid dispersion formulations. This polymorphic transition can be one of the factors responsible for improving of carbamazepine dissolution rate from studied solid dispersions. Ternary solid dispersions prepared with Kollidon® VA64 hydrophilic polymer and Neusilin® UFL2 adsorption carrier resulted in significantly improvement of carbamazepine dissolution rate, but formation of metastable polymorphic form of carbamazepine requires particular care to be taken in ensuring product long term stability.
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32
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Kumar B, Garg V, Singh S, Pandey NK, Bhatia A, Prakash T, Gulati M, Singh SK. Impact of spray drying over conventional surface adsorption technique for improvement in micromeritic and biopharmaceutical characteristics of self-nanoemulsifying powder loaded with two lipophilic as well as gastrointestinal labile drugs. POWDER TECHNOL 2018. [DOI: 10.1016/j.powtec.2017.12.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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33
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Development of sustained-release microparticles containing tamsulosin HCl for orally disintegrating tablet using melt-adsorption method. Drug Deliv Transl Res 2018; 8:552-564. [DOI: 10.1007/s13346-018-0477-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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34
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Riikonen J, Xu W, Lehto VP. Mesoporous systems for poorly soluble drugs – recent trends. Int J Pharm 2018; 536:178-186. [DOI: 10.1016/j.ijpharm.2017.11.054] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2017] [Revised: 11/22/2017] [Accepted: 11/23/2017] [Indexed: 11/28/2022]
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35
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Development of solid SEDDS, VI: Effect of precoating of Neusilin® US2 with PVP on drug release from adsorbed self-emulsifying lipid-based formulations. Eur J Pharm Sci 2017; 110:124-133. [DOI: 10.1016/j.ejps.2017.02.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 02/10/2017] [Accepted: 02/13/2017] [Indexed: 11/24/2022]
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36
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Development of solid SEDDS, VII: Effect of pore size of silica on drug release from adsorbed self-emulsifying lipid-based formulations. Eur J Pharm Sci 2017; 110:134-147. [DOI: 10.1016/j.ejps.2017.05.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 05/08/2017] [Accepted: 05/08/2017] [Indexed: 11/17/2022]
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37
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Kim DS, Yang ES, Yong CS, Youn YS, Oh KT, Li DX, Kim JO, Jin SG, Choi HG. Effect of inorganic mesoporous carriers on 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol-loaded solid self-emulsifying drug delivery system: Physicochemical characterization and bioavailability in rats. Colloids Surf B Biointerfaces 2017; 160:331-336. [DOI: 10.1016/j.colsurfb.2017.09.041] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 09/15/2017] [Accepted: 09/16/2017] [Indexed: 02/07/2023]
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38
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Montmorillonite-lipid hybrid carriers for ionizable and neutral poorly water-soluble drugs: Formulation, characterization and in vitro lipolysis studies. Int J Pharm 2017; 526:95-105. [PMID: 28456653 DOI: 10.1016/j.ijpharm.2017.04.063] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 04/23/2017] [Accepted: 04/25/2017] [Indexed: 11/21/2022]
Abstract
Lipid-based formulations (LBFs) are a popular strategy for enhancing the gastrointestinal solubilization and absorption of poorly water-soluble drugs. In light of this, montmorillonite-lipid hybrid (MLH) particles, composed of medium-chain triglycerides, lecithin and montmorillonite clay platelets, have been developed as a novel solid-state LBF. Owing to the unique charge properties of montmorillonite, whereby the clay platelet surfaces carry a permanent negative charge and the platelet edges carry a pH-dependent charge, three model poorly water-soluble drugs with different charge properties; blonanserin (weak base, pKa 7.7), ibuprofen (weak acid, pKa 4.5) and fenofibrate (neutral), were formulated as MLH particles and their performance during biorelevant in vitro lipolysis at pH 7.5 was investigated. For blonanserin, drug solubilization during in vitro lipolysis was significantly reduced 3.4-fold and 3.2-fold for MLH particles in comparison to a control lipid solution and silica-lipid hybrid (SLH) particles, respectively. It was hypothesized that strong electrostatic interactions between the anionic montmorillonite platelet surfaces and cationic blonanserin molecules were responsible for the inferior performance of MLH particles. In contrast, no significant influence on drug solubilization was observed for ibuprofen- and fenofibrate-loaded MLH particles. The results of the current study indicate that whilst MLH particles are a promising novel formulation strategy for poorly water-soluble drugs, drug ionization tendency and the potential for drug-clay interactions must be taken into consideration to ensure an appropriate performance.
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Lai J, Lin W, Scholes P, Li M. Investigating the Effects of Loading Factors on the In Vitro Pharmaceutical Performance of Mesoporous Materials as Drug Carriers for Ibuprofen. MATERIALS 2017; 10:ma10020150. [PMID: 28772509 PMCID: PMC5459193 DOI: 10.3390/ma10020150] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 01/31/2017] [Accepted: 02/02/2017] [Indexed: 11/16/2022]
Abstract
The aim of the study was to investigate the effects of the loading factors, i.e., the initial drug loading concentration and the ratio of the drug to carriers, on the in vitro pharmaceutical performance of drug-loaded mesoporous systems. Ibuprofen (IBU) was used as a model drug, and two non-ordered mesoporous materials of commercial silica Syloid® 244FP (S244FP) and Neusilin® US2 (NS2) were selected in the study. The IBU-loaded mesoporous samples were prepared by a solvent immersion method with a rotary evaporation drying technique and characterized by polarized light microscopy (PLM), Fourier transform infrared (FTIR) spectroscopy, X-ray powder diffraction (XRPD) and differential scanning calorimetry (DSC). Dissolution experiments were performed in simulated gastric media at 37 °C under non-sink conditions. The concentration of IBU in solution was determined by HPLC. The study showed that the dissolution rate of IBU can be improved significantly using the mesoporous S224FP carriers due to the conversion of crystalline IBU into the amorphous form. Both of the loading factors affected the IBU dissolution kinetics. Due to the molecular interaction between the IBU and NS2 carriers, the loading factors had little effects on the drug release kinetics with incomplete drug desorption recovery and insignificant dissolution enhancement. Care and extensive evaluation must therefore be taken when mesoporous materials are chosen as carrier delivery systems.
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Affiliation(s)
- Junmin Lai
- School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK.
| | - Wu Lin
- Quotient Clinical, Mere Way, Ruddington, Nottingham NG11 6JS, UK.
| | - Peter Scholes
- Quotient Clinical, Mere Way, Ruddington, Nottingham NG11 6JS, UK.
| | - Mingzhong Li
- School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK.
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40
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Beg S, Katare O, Saini S, Garg B, Khurana RK, Singh B. Solid self-nanoemulsifying systems of olmesartan medoxomil: Formulation development, micromeritic characterization, in vitro and in vivo evaluation. POWDER TECHNOL 2016. [DOI: 10.1016/j.powtec.2016.02.023] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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41
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Silica encapsulated lipid-based drug delivery systems for reducing the fed/fasted variations of ziprasidone in vitro. Eur J Pharm Biopharm 2016; 101:33-42. [DOI: 10.1016/j.ejpb.2016.01.010] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Revised: 01/14/2016] [Accepted: 01/18/2016] [Indexed: 12/23/2022]
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42
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Tanaka Y, Kubota A, Matsuo A, Kawakami A, Kamizi H, Mochigoe A, Hiramachi T, Kasaoka S, Yoshikawa H, Nagata S. Effect of Absorption Behavior of Solubilizers on Drug Dissolution in the Gastrointestinal Tract: Evaluation Based on In Vivo Luminal Concentration-Time Profile of Cilostazol, a Poorly Soluble Drug, and Solubilizers. J Pharm Sci 2016; 105:2825-2831. [PMID: 27025982 DOI: 10.1016/j.xphs.2016.02.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Revised: 02/20/2016] [Accepted: 02/24/2016] [Indexed: 11/16/2022]
Abstract
The purpose of this study was to evaluate the effect of absorption behavior of solubilizers on drug dissolution in the gastrointestinal tract. After oral administration of FITC-dextran (FD-10), a nonabsorbable marker, and cilostazol (CZ), a low-solubility drug, with or without solubilizers (dimethyl sulfoxide [DMSO], and d-α-tocopherol polyethylene glycol 1000 succinate [TPGS]), the in vivo rat luminal concentrations of these compounds were determined by direct sampling of residual water in each segment of the gastrointestinal tract. DMSO was rapidly absorbed and not detected in the middle small intestine. Conversely, the TPGS concentration increased by 1.5- and 2-fold relative to the initial dose concentration in the middle and lower small intestine, respectively, owing to condensation. Then, normalized area under the luminal concentration-time curve of solid CZ was calculated from the luminal concentration-time profiles of FD-10 and solid CZ to evaluate in vivo dissolution behavior of CZ. The dissolution of CZ was marked when administered with TPGS compared with that when administered with DMSO, especially in the lower small intestine. This clearly indicates that absorbability of solubilizers is one of the important factors in determining the solubilizing effect. These findings may be beneficial to development of oral lipophilic drugs.
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Affiliation(s)
- Yusuke Tanaka
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, Kure, Hiroshima, 737-0112, Japan.
| | - Atsuo Kubota
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, Kure, Hiroshima, 737-0112, Japan
| | - Akira Matsuo
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, Kure, Hiroshima, 737-0112, Japan
| | - Ayaka Kawakami
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, Kure, Hiroshima, 737-0112, Japan
| | - Hiroki Kamizi
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, Kure, Hiroshima, 737-0112, Japan
| | - Akane Mochigoe
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, Kure, Hiroshima, 737-0112, Japan
| | - Takahiro Hiramachi
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, Kure, Hiroshima, 737-0112, Japan
| | - Satoshi Kasaoka
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, Kure, Hiroshima, 737-0112, Japan
| | - Hiroshi Yoshikawa
- Laboratory of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hiroshima International University, Kure, Hiroshima, 737-0112, Japan
| | - Shunji Nagata
- Laboratory of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Hiroshima International University, Kure, Hiroshima, 737-0112, Japan
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Dening TJ, Rao S, Thomas N, Prestidge CA. Novel Nanostructured Solid Materials for Modulating Oral Drug Delivery from Solid-State Lipid-Based Drug Delivery Systems. AAPS JOURNAL 2015; 18:23-40. [PMID: 26354801 DOI: 10.1208/s12248-015-9824-7] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Accepted: 08/23/2015] [Indexed: 12/20/2022]
Abstract
Lipid-based drug delivery systems (LBDDS) have gained significant attention in recent times, owing to their ability to overcome the challenges limiting the oral delivery of poorly water-soluble drugs. Despite the successful commercialization of several LBDDS products over the years, a large discrepancy exists between the number of poorly water-soluble drugs displaying suboptimal in vivo performances and the application of LBDDS to mitigate their various delivery challenges. Conventional LBDDS, including lipid solutions and suspensions, emulsions, and self-emulsifying formulations, suffer from various drawbacks limiting their widespread use and commercialization. Accordingly, solid-state LBDDS, fabricated by adsorbing LBDDS onto a chemically inert solid carrier material, have attracted substantial interest as a viable means of stabilizing LBDDS whilst eliminating some of the various limitations. This review describes the impact of solid carrier choice on LBDDS performance and highlights the importance of appropriate solid carrier material selection when designing hybrid solid-state LBDDS. Specifically, emphasis is placed on discussing the ability of the specific solid carrier to modulate drug release, control lipase action and lipid digestion, and enhance biopharmaceutical performance above the original liquid-state LBDDS. To encourage the interested reader to consider their solid carrier choice on a higher level, various novel materials with the potential for future use as solid carriers for LBDDS are described. This review is highly significant in guiding future research directions in the solid-state LBDDS field and fostering the translation of these delivery systems to the pharmaceutical marketplace.
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Affiliation(s)
- Tahnee J Dening
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA, 5001, Australia
| | - Shasha Rao
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA, 5001, Australia
| | - Nicky Thomas
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA, 5001, Australia
| | - Clive A Prestidge
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA, 5001, Australia.
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44
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Agrawal AG, Kumar A, Gide PS. Formulation development and in vivo hepatoprotective activity of self nanoemulsifying drug delivery system of antioxidant coenzyme Q 10.. Arch Pharm Res 2014. [PMID: 25503273 DOI: 10.1007/s12272-014-0497-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2014] [Accepted: 10/08/2014] [Indexed: 01/18/2023]
Abstract
Coenzyme Q10 (CQ10) is known as an endogenous cellular antioxidant, naturally found in every cell of the human body and plays an important role in maintaining human health. It is widely used as a nutritional supplement and pharmaceutical drug for various disorders like diabetes mellitus, carcinomas, neurodegenerative disorders etc. However, CQ10 is practically insoluble even in the presence of 5 % sodium lauryl sulfate in water and poorly absorbed from the gastrointestinal tract. The present research is aimed to formulate and evaluate self nanoemulsifying drug delivery system (SNEDDS) of CQ10 primarily to improve its aqueous solubility, dissolution velocity as well as hepatoprotective activity and thus enhancing its nutraceutical and pharmaceutical values. Robustness to dilution, thermodynamic stability study, droplet size analysis and drug release were adopted to optimize liquid SNEDDS. Droplet size of the SNEDDS was found to be size less than 200 nm and appeared round in shape without aggregation under transmission electron microscopy examination. Liquid SNEDDS were adsorbed on porous carrier to get solid SNEDDS (S-SNEDDS). S-SNEDDS gave rapid (>90 %) drug release within 30 min while pure drug was not practically dissolved within 1 h. In vivo hepatoprotective activity showed that S-SNEDDS achieved the most liver protection as compared to the pure drug. Further S-SNEDDS was successfully converted to self nanoemulsifying mouth dissolving tablet. The enhanced solubility, dissolution velocity as well as hepatoprotective activity of CQ10, unravels the potential of S-SNEDDS as suitable carrier for enhancing nutraceutical and pharmaceutical values of CQ10.
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Affiliation(s)
- Anuj G Agrawal
- Cachet Pharmaceutical Pvt. Ltd, An ALKEM Group, Baddi, Dist. Solan, 173205, India,
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45
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Agrawal AG, Kumar A, Gide PS. Self emulsifying drug delivery system for enhanced solubility and dissolution of glipizide. Colloids Surf B Biointerfaces 2014; 126:553-60. [PMID: 25576032 DOI: 10.1016/j.colsurfb.2014.11.022] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 11/12/2014] [Accepted: 11/16/2014] [Indexed: 12/30/2022]
Abstract
The aim of this study was to develop self emulsifying drug delivery systems (SEDDS) of glipizide and to convert it into solid SEDDS (S-SEDDS) using Syloid(®) 244 FP as adsorbent. Solubility study, ternary phase diagram, robustness to dilution, thermodynamic stability study and globule size analysis were adopted to optimize liquid SEDDS. S-SEDDS were evaluated for various studies including in vivo study. The optimized liquid SEDDS formulation consisted of phosphatidylcholine, Tween 80 and Transcutol P as oil, surfactant and cosolvent. In vivo study demonstrated that blood glucose levels were efficiently controlled with S-SEDDS compared with pure drug. The results of this study suggest the potential use of developed S-SEDDS formulation for the delivery of poorly water-soluble drug glipizide.
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Affiliation(s)
- Anuj G Agrawal
- Cachet Pharmaceutical Pvt. Ltd, An ALKEM Group, Baddi, Solan 173205, India.
| | - Ashok Kumar
- Cachet Pharmaceutical Pvt. Ltd, An ALKEM Group, Baddi, Solan 173205, India
| | - Paraag S Gide
- Dr. L. H. Hiranandani College of Pharmacy, Ulhasnagar, Thane 421003, India
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