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Felicijan T, Bogataj M. Forecasting the effect of water gastric emptying patterns on model drug release in an in vitro glass-bead flow-through system. ACTA PHARMACEUTICA (ZAGREB, CROATIA) 2024; 74:269-287. [PMID: 38815199 DOI: 10.2478/acph-2024-0016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/13/2024] [Indexed: 06/01/2024]
Abstract
Oral solid dosage forms are most frequently administered with a glass of water which empties from the stomach relatively fast, but with a certain variability in its emptying kinetics. The purpose of this study was thus to simulate different individual water gastric emptying (GE) patterns in an in vitro glass-bead flow-through dissolution system. Further, the effect of GE on the dissolution of model drugs from immediate-release tablets was assessed by determining the amount of dissolved drug in the samples pumped out of the stomach compartment. Additionally, different HCl solutions were used as dissolution media to assess the effect of the variability of pH of the gastric fluid on the dissolution of three model drugs: paracetamol, diclofenac sodium, and dipyridamole. The difference in fast and slow GE kinetics resulted in different dissolution profiles of paracetamol in all studied media. For diclofenac sodium and dipyridamole tablets, the effect of GE kinetics was well observed only in media, where the solubility was not a limiting factor. Therefore, GE kinetics of co-ingested water influences the drug release from immediate-release tablets, however, in certain cases, other parameters influencing drug dissolution can partly or fully hinder the expression of this effect.
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Affiliation(s)
- Tjaša Felicijan
- 1University of Ljubljana, Faculty of Pharmacy Department of Biopharmaceutics and Pharmacokinetics 1000 Ljubljana, Slovenia
| | - Marija Bogataj
- 1University of Ljubljana, Faculty of Pharmacy Department of Biopharmaceutics and Pharmacokinetics 1000 Ljubljana, Slovenia
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Shao S, Stocker MW, Zarrella S, Korter TM, Singh A, Healy AM. In Situ Cocrystallization via Spray Drying with Polymer as a Strategy to Prevent Cocrystal Dissociation. Mol Pharm 2023; 20:4770-4785. [PMID: 37595572 PMCID: PMC10481393 DOI: 10.1021/acs.molpharmaceut.3c00564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/14/2023] [Accepted: 08/14/2023] [Indexed: 08/20/2023]
Abstract
The aim of the present study was to investigate how different polymers affect the dissociation of cocrystals prepared by co-spray-drying active pharmaceutical ingredient (API), coformer, and polymer. Diclofenac acid-l-proline cocrystal (DPCC) was selected in this study as a model cocrystal due to its previously reported poor physical stability in a high-humidity environment. Polymers investigated include polyvinylpyrrolidone (PVP), poly(1-vinylpyrrolidone-co-vinyl acetate) (PVPVA), hydroxypropyl methyl cellulose, hydroxypropylmethylcellulose acetate succinate, ethyl cellulose, and Eudragit L-100. Terahertz Raman spectroscopy (THz Raman) and powder X-ray diffraction (PXRD) were used to monitor the cocrystal dissociation rate in a high-humidity environment. A Raman probe was used in situ to monitor the extent of the dissociation of DPCC and DPCC in crystalline solid dispersions (CSDs) with polymer when exposed to pH 6.8 phosphate buffer and water. The solubility of DPCC and solid dispersions of DPCC in pH 6.8 phosphate buffer and water was also measured. The dissociation of DPCC was water-mediated, and more than 60% of DPCC dissociated in 18 h at 40 °C and 95% RH. Interestingly, the physical stability of the cocrystal was effectively improved by producing CSDs with polymers. The inclusion of just 1 wt % polymer in a CSD with DPCC protected the cocrystal from dissociation over 18 h under the same conditions. Furthermore, the CSD with PVPVA was still partially stable, and the CSD with PVP was stable (undissociated) after 7 days. The superior stability of DPCC in CSDs with PVP and PVPVA was also demonstrated when systems were exposed to water or pH 6.8 phosphate buffer and resulted in higher dynamic solubility of the CSDs compared to DPCC alone. The improvement in physical stability of the cocrystal in CSDs was thought to be due to an efficient mixing between polymer and cocrystal at the molecular level provided by spray drying and in situ gelling of polymer. It is hypothesized that polymer chains could undergo gelling in situ and form a physical barrier, preventing cocrystal interaction with water, which contributes to slowing down the water-mediated dissociation.
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Affiliation(s)
- ShiZhe Shao
- School
of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Dublin D02 PN40, Ireland
- SSPC,
the Science Foundation Ireland Research Centre for Pharmaceuticals, Trinity College Dublin, Dublin D02 PN40, Ireland
| | - Michael W. Stocker
- School
of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Dublin D02 PN40, Ireland
- SSPC,
the Science Foundation Ireland Research Centre for Pharmaceuticals, Trinity College Dublin, Dublin D02 PN40, Ireland
- School
of Chemical and Bioprocess Engineering, University College Dublin, Dublin D04 V1W8, Ireland
| | - Salvatore Zarrella
- Department
of Chemistry, Syracuse University, 1-014 Center for Science and Technology, Syracuse, New York 13244, United States
| | - Timothy M. Korter
- Department
of Chemistry, Syracuse University, 1-014 Center for Science and Technology, Syracuse, New York 13244, United States
| | | | - Anne Marie Healy
- School
of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Dublin D02 PN40, Ireland
- SSPC,
the Science Foundation Ireland Research Centre for Pharmaceuticals, Trinity College Dublin, Dublin D02 PN40, Ireland
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Pepin X, McAlpine V, Moir A, Mann J. Acalabrutinib Maleate Tablets: The Physiologically Based Biopharmaceutics Model behind the Drug Product Dissolution Specification. Mol Pharm 2023; 20:2181-2193. [PMID: 36859819 DOI: 10.1021/acs.molpharmaceut.3c00005] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
Acalabrutinib maleate tablets correspond to an improved formulation compared to acalabrutinib capsules as they can be dosed with and without acid reducing agents and therefore benefit more cancer patients. The dissolution specification for the drug product was determined using all the information available on the drug safety, efficacy, and in vitro performance. In addition, a physiologically based biopharmaceutics model was developed for acalabrutinib maleate tablets on the back of a previously published model for acalabrutinib capsules to establish that the proposed drug product dissolution specification would ensure safe and effective products for all patients including those under acid reducing agent treatment. The model was built, validated, and used to predict the exposure of virtual batches where the dissolution was slower than that of the clinical target. A combination of exposure prediction and the use of a PK-PD model allowed it to be demonstrated that the proposed drug product dissolution specification was acceptable. This combination of models enabled a larger safe space than would have been granted by consideration of bioequivalence only.
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Affiliation(s)
- Xavier Pepin
- New Modalities and Parenteral Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Charter Way, SK10 2NA Macclesfield, United Kingdom
| | - Vivien McAlpine
- Oral Product Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, SK10 2NA Macclesfield, United Kingdom
| | - Andrea Moir
- Oral Product Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, SK10 2NA Macclesfield, United Kingdom
| | - James Mann
- Oral Product Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, SK10 2NA Macclesfield, United Kingdom
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Tsume Y. Evaluation and prediction of oral drug absorption and bioequivalence with food-drug interaction. Drug Metab Pharmacokinet 2023; 50:100502. [PMID: 37001300 DOI: 10.1016/j.dmpk.2023.100502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 02/21/2023] [Accepted: 03/02/2023] [Indexed: 03/08/2023]
Abstract
This article reviews the impacts on the in vivo prediction of oral bioavailability (BA) and bioequivalence (BE) based on Biopharmaceutical classification systems (BCS) by the food-drug interaction (food effect) and the gastrointestinal (GI) environmental change. Various in vitro and in silico predictive methodologies have been used to expect the BA and BE of the test oral formulation. Food intake changes the GI physiology and environment, which affect oral drug absorption and its BE evaluation. Even though the pHs and bile acids in the GI tract would have significant influence on drug dissolution and, hence, oral drug absorption, those impacts largely depend on the physicochemical properties of oral medicine, active pharmaceutical ingredients (APIs). BCS class I and III drugs are high soluble drugs in the physiological pH range, food-drug interaction may not affect their BA. On the other hand, BCS class II and IV drugs have pH-dependent solubility, and the more bile acid secretion and the pH changes by food intake might affect their BA. In this report, the GI physiological changes between the fasted and fed states are described and the prediction on the oral drug absorption by food-drug interaction have been introduced.
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Anand O, Pepin XJH, Kolhatkar V, Seo P. The Use of Physiologically Based Pharmacokinetic Analyses-in Biopharmaceutics Applications -Regulatory and Industry Perspectives. Pharm Res 2022; 39:1681-1700. [PMID: 35585448 DOI: 10.1007/s11095-022-03280-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 04/27/2022] [Indexed: 12/18/2022]
Abstract
The use of physiologically based pharmacokinetic (PBPK) modeling to support the drug product quality attributes, also known as physiologically based biopharmaceutics modeling (PBBM) is an evolving field and the interest in using PBBM is increasing. The US-FDA has emphasized on the use of patient centric quality standards and clinically relevant drug product specifications over the years. Establishing an in vitro in vivo link is an important step towards achieving the goal of patient centric quality standard. Such a link can aid in constructing a bioequivalence safe space and establishing clinically relevant drug product specifications. PBBM is an important tool to construct a safe space which can be used during the drug product development and lifecycle management. There are several advantages of using the PBBM approach, though there are also a few challenges, both with in vitro methods and in vivo understanding of drug absorption and disposition, that preclude using this approach and therefore further improvements are needed. In this review we have provided an overview of experience gained so far and the current perspective from regulatory and industry point of view. Collaboration between scientists from regulatory, industry and academic fields can further help to advance this field and deliver on promises that PBBM can offer towards establishing patient centric quality standards.
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Affiliation(s)
- Om Anand
- Division of Biopharmaceutics, Office of New Drug Products, Office of Pharmaceutical Quality (OPQ), Center for Drug Evaluation and Research, Food and Drug Administration (FDA), Silver Spring, Maryland, USA.
| | - Xavier J H Pepin
- New Modalities and Parenteral Development, Pharmaceutical Technology & Development, Operations, AstraZeneca, Macclesfield, UK
| | - Vidula Kolhatkar
- Division of Biopharmaceutics, Office of New Drug Products, Office of Pharmaceutical Quality (OPQ), Center for Drug Evaluation and Research, Food and Drug Administration (FDA), Silver Spring, Maryland, USA
| | - Paul Seo
- Office of Pharmaceutical Quality (OPQ), Center for Drug Evaluation and Research, Food and Drug Administration (FDA), Silver Spring, Maryland, USA
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Fang X, Hu Y, Huang Z, Han L, Li B, Lu S, Cao Y. Exploring the formation mechanism of coamorphous andrographolide-oxymatrine based on molecular dynamics and spectroscopy. J Pharm Sci 2022; 111:2056-2071. [DOI: 10.1016/j.xphs.2022.02.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 02/05/2022] [Accepted: 02/06/2022] [Indexed: 12/18/2022]
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