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Chaiya P, Okonogi S, Phaechamud T. Stereomicroscope with Imaging Analysis: A Versatile Tool for Wetting, Gel Formation and Erosion Rate Determinations of Eutectic Effervescent Tablet. Pharmaceutics 2022; 14:1280. [PMID: 35745851 PMCID: PMC9228642 DOI: 10.3390/pharmaceutics14061280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/12/2022] [Accepted: 06/14/2022] [Indexed: 11/23/2022] Open
Abstract
Wettability, gel formation and erosion behaviors could influence the drug release pattern of solid dosage forms. Typically, these parameters are evaluated using a variety of techniques. Nonetheless, there has been no previous research on versatile tool development for evaluating several tablet characteristics with a single tool. The aim of this study was to develop the versatile tool for measuring various physical properties of eutectic effervescent tablets and also investigate the relationship between these parameters with parameters from drug dissolution. Ibuprofen (IBU)-poloxamer 407 (P407) eutectic effervescent tablets were fabricated with a direct compression method. Their wetting properties, gel formation and erosion behaviors were investigated using a stereomicroscope with imaging analysis in terms of the liquid penetration distance, gel thickness and erosion boundary diameter, respectively. In addition, the dissolution rate (k) and disintegration time of eutectic effervescent tablets in 0.1 N HCl buffer pH 1.2 were also determined. Incorporation of P407 into the IBU tablet improved the tablet wetting properties with increasing liquid penetration distance under stereoscope. CO2 liberation from effervescent agents promoted tablet surface roughness from matrix erosion. The relationship between observed physical properties and disintegration and dissolution parameters suggested that the combination of erosion by effervescent agents and gel formation by P407 had a potential influence on dissolution enhancement of the formulation. Therefore, a developed stereomicroscope with an imaging analysis technique was exhibited as an alternative versatile tool for determining the wetting properties, gel formation and erosion behaviors of pharmaceutical solid dosage forms.
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Affiliation(s)
- Pornsit Chaiya
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand;
- School of Pharmacy, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Siriporn Okonogi
- Research Center of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand;
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Thawatchai Phaechamud
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand;
- Natural Bioactive and Material for Health Promotion and Drug Delivery System Group (NBM Group), Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand
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Vinarov Z, Abrahamsson B, Artursson P, Batchelor H, Berben P, Bernkop-Schnürch A, Butler J, Ceulemans J, Davies N, Dupont D, Flaten GE, Fotaki N, Griffin BT, Jannin V, Keemink J, Kesisoglou F, Koziolek M, Kuentz M, Mackie A, Meléndez-Martínez AJ, McAllister M, Müllertz A, O'Driscoll CM, Parrott N, Paszkowska J, Pavek P, Porter CJH, Reppas C, Stillhart C, Sugano K, Toader E, Valentová K, Vertzoni M, De Wildt SN, Wilson CG, Augustijns P. Current challenges and future perspectives in oral absorption research: An opinion of the UNGAP network. Adv Drug Deliv Rev 2021; 171:289-331. [PMID: 33610694 DOI: 10.1016/j.addr.2021.02.001] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 01/12/2021] [Accepted: 02/01/2021] [Indexed: 02/06/2023]
Abstract
Although oral drug delivery is the preferred administration route and has been used for centuries, modern drug discovery and development pipelines challenge conventional formulation approaches and highlight the insufficient mechanistic understanding of processes critical to oral drug absorption. This review presents the opinion of UNGAP scientists on four key themes across the oral absorption landscape: (1) specific patient populations, (2) regional differences in the gastrointestinal tract, (3) advanced formulations and (4) food-drug interactions. The differences of oral absorption in pediatric and geriatric populations, the specific issues in colonic absorption, the formulation approaches for poorly water-soluble (small molecules) and poorly permeable (peptides, RNA etc.) drugs, as well as the vast realm of food effects, are some of the topics discussed in detail. The identified controversies and gaps in the current understanding of gastrointestinal absorption-related processes are used to create a roadmap for the future of oral drug absorption research.
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Affiliation(s)
- Zahari Vinarov
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium; Department of Chemical and Pharmaceutical Engineering, Sofia University, Sofia, Bulgaria
| | - Bertil Abrahamsson
- Oral Product Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Gothenburg, Sweden
| | - Per Artursson
- Department of Pharmacy, Uppsala University, Uppsala, Sweden
| | - Hannah Batchelor
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
| | - Philippe Berben
- Pharmaceutical Development, UCB Pharma SA, Braine- l'Alleud, Belgium
| | - Andreas Bernkop-Schnürch
- Department of Pharmaceutical Technology, Institute of Pharmacy, University of Innsbruck, Innsbruck, Austria
| | - James Butler
- GlaxoSmithKline Research and Development, Ware, United Kingdom
| | | | - Nigel Davies
- Advanced Drug Delivery, Pharmaceutical Sciences, R&D, AstraZeneca, Gothenburg, Sweden
| | | | - Gøril Eide Flaten
- Department of Pharmacy, UiT The Arctic University of Norway, Tromsø, Norway
| | - Nikoletta Fotaki
- Department of Pharmacy and Pharmacology, University of Bath, Bath, United Kingdom
| | | | | | | | | | | | - Martin Kuentz
- Institute for Pharma Technology, University of Applied Sciences and Arts Northwestern Switzerland, Basel, Switzerland
| | - Alan Mackie
- School of Food Science & Nutrition, University of Leeds, Leeds, United Kingdom
| | | | | | - Anette Müllertz
- Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark
| | | | | | | | - Petr Pavek
- Faculty of Pharmacy, Charles University, Hradec Králové, Czech Republic
| | | | - Christos Reppas
- Department of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Kiyohiko Sugano
- College of Pharmaceutical Sciences, Ritsumeikan University, Shiga, Japan
| | - Elena Toader
- Faculty of Medicine, University of Medicine and Pharmacy of Iasi, Romania
| | - Kateřina Valentová
- Institute of Microbiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Maria Vertzoni
- Department of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece
| | - Saskia N De Wildt
- Department of Pharmacology and Toxicology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Clive G Wilson
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
| | - Patrick Augustijns
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium.
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Mechanical properties of starch esters at particle and compact level - Comparisons and exploration of the applicability of Hiestand's equation to predict tablet strength. Eur J Pharm Sci 2020; 147:105292. [PMID: 32156649 DOI: 10.1016/j.ejps.2020.105292] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 01/20/2020] [Accepted: 03/02/2020] [Indexed: 11/21/2022]
Abstract
Hydrophobic starch esters have potential as tablet matrix formers in controlled drug delivery. The mechanical properties of native starch (SN), starch acetate (SA) and starch propionate (SP) were studied at particle and compact level. Particle microhardness and modulus of elasticity were evaluated by nanoindentation. Force-displacement data of compressed powder were analyzed using Heckel in conjunction with piecewise regression, Kuentz-Leuenberger, Kawakita and Adams models, and yield pressure parameters were derived. Starches were characterized for chemical structure by Raman spectroscopy, crystallinity from powder x-ray diffraction (PXRD) patterns and surface energy from apparent contact angle measurements. A-type starch reflections were absent in the PXRDs of esters indicating greater amorphicity. Consequently, the particle microhardness of starch esters decreased leading to greater deformation during compaction and lower values of yield pressure parameters. These parameters increased with microhardness and ranked the starches in the order: SP < SA < SN. Fitting the experimental data into Hiestand's bonding index equation, a linear correlation (R2 = 0.902) was established between experimental and calculated tablet strength describing results of all starches, when Adams (το') yield pressure was used as the 'effective compression pressure' in the above equation.
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Biorelevant intrinsic dissolution profiling in early drug development: Fundamental, methodological, and industrial aspects. Eur J Pharm Biopharm 2019; 139:101-114. [PMID: 30862481 DOI: 10.1016/j.ejpb.2019.03.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 02/07/2019] [Accepted: 03/08/2019] [Indexed: 01/24/2023]
Abstract
Intrinsic dissolution rate (IDR) is the surface specific dissolution rate of a drug. In early drug development, this property (among other parameters) is measured in order to compare different polymorphs and salt forms, guide formulation decisions, and to provide a quality marker of the active pharmaceutical ingredient (API) during production. In this review, an update on different methods and small-scale techniques that have recently evolved for determination of IDR is provided. The importance of biorelevant media and the hydrodynamic conditions of dissolution are also discussed. Different preparation techniques for samples are presented with a focus on disc, particle- and crystal-based methods. A number of small-scale techniques are then described in detail, and their applicability domains are identified. Finally, an updated industrial perspective is provided about IDR's place in the early drug development process.
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Wang Y, Liu Z, Muzzio F, Drazer G, Callegari G. A drop penetration method to measure powder blend wettability. Int J Pharm 2018; 538:112-118. [PMID: 29253584 DOI: 10.1016/j.ijpharm.2017.12.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Revised: 12/04/2017] [Accepted: 12/14/2017] [Indexed: 10/18/2022]
Abstract
Water wettability of pharmaceutical blends affects important quality attributes of final products. We investigate the wetting properties of a pharmaceutical blend lubricated with Magnesium Stearate (MgSt) as a function of the mechanical shear strain applied to the blend. We measure the penetration dynamics of sessile drops deposited on slightly compressed powder beds. We consider a blend composed of 9% Acetaminophen 90% Lactose and 1% MgSt by weight. Comparing the penetration time of water and a reference liquid Polydimethylsiloxane (silicon oil) we obtain an effective cosine of the contact angle with water, based on a recently developed drop penetration method. We repeat the experiments for blends exposed to increasing levels of shear strain and demonstrate a significant decrease in water wettability (decrease in the cosine of the contact angle). The results are consistent with the development of a hydrophobic film coating the powder particles as a result of the increased shear strain. Finally, we show that, as expected dissolution times increase with the level of shear strain. Therefore, the proposed drop penetration method could be used to directly assess the state of lubrication of a pharmaceutical blend and act as a quality control on powder blend attributes before the blend is tableted.
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Affiliation(s)
- Yifan Wang
- Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, United States
| | - Zhanjie Liu
- Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, United States
| | - Fernando Muzzio
- Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, United States
| | - German Drazer
- Mechanical and Aerospace Engineering, Rutgers, The State University of New Jersey, United States
| | - Gerardo Callegari
- Mechanical and Aerospace Engineering, Rutgers, The State University of New Jersey, United States.
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Wang C, Hu S, Sun CC. Expedited Development of Diphenhydramine Orally Disintegrating Tablet through Integrated Crystal and Particle Engineering. Mol Pharm 2017; 14:3399-3408. [DOI: 10.1021/acs.molpharmaceut.7b00423] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Chenguang Wang
- Pharmaceutical Materials Science and Engineering Laboratory, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Shenye Hu
- Pharmaceutical Materials Science and Engineering Laboratory, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Changquan Calvin Sun
- Pharmaceutical Materials Science and Engineering Laboratory, Department of Pharmaceutics, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States
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Liu Z, Wang Y, Muzzio FJ, Callegari G, Drazer G. Capillary Drop Penetration Method to Characterize the Liquid Wetting of Powders. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:56-65. [PMID: 27982594 DOI: 10.1021/acs.langmuir.6b03589] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We present a method to characterize the wettability of powders, based on the penetration dynamics of a sessile drop deposited on a slightly compressed powder bed. First, we show that a direct comparison of the wetting properties of different liquids is possible without having to solve the three-dimensional liquid penetration problem, by considering the appropriate dimensionless variables. We show that the contact area between the sessile drop and the powder bed remains constant during most of the penetration process and demonstrate that as a result, the evolution of the dimensionless penetration volume is given by a universal function of the dimensionless time, with no dimensionless parameters. Then, using a reference liquid that completely wets the powder, it is possible to obtain an effective contact angle for a test liquid of interest, independent of other properties of the powder bed, such as permeability and a characteristic pore size. We apply the proposed method to estimate the contact angle of water with different powder blends, by using silicone oil as the reference liquid. Finally, to highlight the potential of the proposed method to characterize pharmaceutical powders, we consider a blend of lactose, acetaminophen, and a small amount of lubricant (magnesium stearate). The proposed method adequately captures a significant decrease in hydrophilicity that results from exposing the blend to excessive mixing, a well-known effect in the pharmaceutical industry.
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Affiliation(s)
- Zhanjie Liu
- Chemical and Biological Engineering Rutgers and ‡Mechanical and Aerospace Engineering Rutgers, The State University of New Jersey , Piscataway, New Jersey 08854, United States !--Q1: Please confirm the postal code in the affiliation, as we have inserted the required information.-->
| | - Yifan Wang
- Chemical and Biological Engineering Rutgers and ‡Mechanical and Aerospace Engineering Rutgers, The State University of New Jersey , Piscataway, New Jersey 08854, United States !--Q1: Please confirm the postal code in the affiliation, as we have inserted the required information.-->
| | - Fernando J Muzzio
- Chemical and Biological Engineering Rutgers and ‡Mechanical and Aerospace Engineering Rutgers, The State University of New Jersey , Piscataway, New Jersey 08854, United States !--Q1: Please confirm the postal code in the affiliation, as we have inserted the required information.-->
| | - Gerardo Callegari
- Chemical and Biological Engineering Rutgers and ‡Mechanical and Aerospace Engineering Rutgers, The State University of New Jersey , Piscataway, New Jersey 08854, United States !--Q1: Please confirm the postal code in the affiliation, as we have inserted the required information.-->
| | - German Drazer
- Chemical and Biological Engineering Rutgers and ‡Mechanical and Aerospace Engineering Rutgers, The State University of New Jersey , Piscataway, New Jersey 08854, United States !--Q1: Please confirm the postal code in the affiliation, as we have inserted the required information.-->
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