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Sá Filho A, Martins JLR, Costa RF, Pedrino GR, Duarte VS, Silva ON, Napolitano HB, Fajemiroye JO. Polymorphism and Pharmacological Assessment of Carbamazepine. Int J Mol Sci 2024; 25:9835. [PMID: 39337323 PMCID: PMC11431949 DOI: 10.3390/ijms25189835] [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: 04/17/2024] [Revised: 05/14/2024] [Accepted: 05/14/2024] [Indexed: 09/30/2024] Open
Abstract
This work provides insight into carbamazepine polymorphs (Forms I, II, III, IV, and V), with reports on the cytoprotective, exploratory, motor, CNS-depressant, and anticonvulsant properties of carbamazepine (CBZ), carbamazepine formulation (CBZ-F), topiramate (TOP), oxcarbazepine (OXC), and diazepam (DZP) in mice. Structural analysis highlighted the significant difference in molecular conformations, which directly influence the physicochemical properties; and density functional theory description provided indications about CBZ reactivity and stability. In addition to neuron viability assessment in vitro, animals were treated orally with vehicle 10 mL/kg, as well as CBZ, CBZ-F, TOP, OXC, and DZP at the dose of 5 mg/kg and exposed to open-field, rotarod, barbiturate sleep induction and pentylenetetrazol (PTZ 70 mg/kg)-induced seizure. The involvement of GABAergic mechanisms in the activity of these drugs was evaluated with the intraperitoneal pretreatment of flumazenil (2 mg/kg). The CBZ, CBZ-F, and TOP mildly preserved neuronal viability. The CBZ-F and the reference AEDs potentiated barbiturate sleep, altered motor activities, and attenuated PTZ-induced convulsion. However, flumazenil pretreatment blocked these effects. Additional preclinical assessments could further establish the promising utility of CBZ-F in clinical settings while expanding the scope of AED formulations and designs.
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Affiliation(s)
- Alberto Sá Filho
- Graduate Program in Pharmaceutical Sciences, Evangelical University of Goiás, Anapolis 75083-515, GO, Brazil; (A.S.F.); (J.L.R.M.); (R.F.C.); (O.N.S.); (H.B.N.)
| | - Jose Luis Rodrigues Martins
- Graduate Program in Pharmaceutical Sciences, Evangelical University of Goiás, Anapolis 75083-515, GO, Brazil; (A.S.F.); (J.L.R.M.); (R.F.C.); (O.N.S.); (H.B.N.)
| | - Rafael Fernandes Costa
- Graduate Program in Pharmaceutical Sciences, Evangelical University of Goiás, Anapolis 75083-515, GO, Brazil; (A.S.F.); (J.L.R.M.); (R.F.C.); (O.N.S.); (H.B.N.)
| | | | - Vitor Santos Duarte
- Structural and Theoretical Chemistry Group, State University of Goiás, Anápolis 75083-515, GO, Brazil
| | - Osmar Nascimento Silva
- Graduate Program in Pharmaceutical Sciences, Evangelical University of Goiás, Anapolis 75083-515, GO, Brazil; (A.S.F.); (J.L.R.M.); (R.F.C.); (O.N.S.); (H.B.N.)
| | - Hamilton Barbosa Napolitano
- Graduate Program in Pharmaceutical Sciences, Evangelical University of Goiás, Anapolis 75083-515, GO, Brazil; (A.S.F.); (J.L.R.M.); (R.F.C.); (O.N.S.); (H.B.N.)
- Structural and Theoretical Chemistry Group, State University of Goiás, Anápolis 75083-515, GO, Brazil
| | - James Oluwagbamigbe Fajemiroye
- Graduate Program in Pharmaceutical Sciences, Evangelical University of Goiás, Anapolis 75083-515, GO, Brazil; (A.S.F.); (J.L.R.M.); (R.F.C.); (O.N.S.); (H.B.N.)
- Institute of Biological Sciences, Federal University of Goiás, Goiás 74605-010, GO, Brazil;
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Yin X, Cicali B, Rodriguez-Vera L, Lukacova V, Cristofoletti R, Schmidt S. Applying Physiologically Based Pharmacokinetic Modeling to Interpret Carbamazepine's Nonlinear Pharmacokinetics and Its Induction Potential on Cytochrome P450 3A4 and Cytochrome P450 2C9 Enzymes. Pharmaceutics 2024; 16:737. [PMID: 38931859 PMCID: PMC11206836 DOI: 10.3390/pharmaceutics16060737] [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: 05/07/2024] [Revised: 05/21/2024] [Accepted: 05/24/2024] [Indexed: 06/28/2024] Open
Abstract
Carbamazepine (CBZ) is commonly prescribed for epilepsy and frequently used in polypharmacy. However, concerns arise regarding its ability to induce the metabolism of other drugs, including itself, potentially leading to the undertreatment of co-administered drugs. Additionally, CBZ exhibits nonlinear pharmacokinetics (PK), but the root causes have not been fully studied. This study aims to investigate the mechanisms behind CBZ's nonlinear PK and its induction potential on CYP3A4 and CYP2C9 enzymes. To achieve this, we developed and validated a physiologically based pharmacokinetic (PBPK) parent-metabolite model of CBZ and its active metabolite Carbamazepine-10,11-epoxide in GastroPlus®. The model was utilized for Drug-Drug Interaction (DDI) prediction with CYP3A4 and CYP2C9 victim drugs and to further explore the underlying mechanisms behind CBZ's nonlinear PK. The model accurately recapitulated CBZ plasma PK. Good DDI performance was demonstrated by the prediction of CBZ DDIs with quinidine, dolutegravir, phenytoin, and tolbutamide; however, with midazolam, the predicted/observed DDI AUClast ratio was 0.49 (slightly outside of the two-fold range). CBZ's nonlinear PK can be attributed to its nonlinear metabolism caused by autoinduction, as well as nonlinear absorption due to poor solubility. In further applications, the model can help understand DDI potential when CBZ serves as a CYP3A4 and CYP2C9 inducer.
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Affiliation(s)
- Xuefen Yin
- Center for Pharmacometrics and Systems Pharmacology, Department of Pharmaceutics, College of Pharmacy, University of Florida, Orlando, FL 32827, USA; (X.Y.); (B.C.); (L.R.-V.)
| | - Brian Cicali
- Center for Pharmacometrics and Systems Pharmacology, Department of Pharmaceutics, College of Pharmacy, University of Florida, Orlando, FL 32827, USA; (X.Y.); (B.C.); (L.R.-V.)
| | - Leyanis Rodriguez-Vera
- Center for Pharmacometrics and Systems Pharmacology, Department of Pharmaceutics, College of Pharmacy, University of Florida, Orlando, FL 32827, USA; (X.Y.); (B.C.); (L.R.-V.)
| | | | - Rodrigo Cristofoletti
- Center for Pharmacometrics and Systems Pharmacology, Department of Pharmaceutics, College of Pharmacy, University of Florida, Orlando, FL 32827, USA; (X.Y.); (B.C.); (L.R.-V.)
| | - Stephan Schmidt
- Center for Pharmacometrics and Systems Pharmacology, Department of Pharmaceutics, College of Pharmacy, University of Florida, Orlando, FL 32827, USA; (X.Y.); (B.C.); (L.R.-V.)
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Cuquerella-Gilabert M, Reig-López J, Serna J, Rueda-Ferreiro A, Merino-Sanjuan M, Mangas-Sanjuan V, Sánchez-Herrero S. Phys-DAT: A physiologically-based pharmacokinetic model for unraveling the dissolution, transit and absorption processes using PhysPK®. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2024; 243:107929. [PMID: 38006685 DOI: 10.1016/j.cmpb.2023.107929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 11/11/2023] [Accepted: 11/13/2023] [Indexed: 11/27/2023]
Abstract
BACKGROUND AND OBJECTIVE In silico methods have become the key for efficiently testing and qualifying drug properties. Due to the complexity of the LADME processes and drug characteristics associated to oral drug absorption, there is a growing demand in the development of Physiologically-based Pharmacokinetic (PBPK) software with greater flexibility. Thus, the aims of this work are (i) to develop a mechanistic-based modeling framework of dissolution, transit and absorption (Phys-DAT) processes in the PhysPK platform and (ii) to assess the predictive power of the acausal MOOM methodology embedded in Phys-DAT versus reference ODE-based PBPK software. METHODS A PBPK model was developed including unreleased, undissolved and dissolved thermodynamic states of the drug. The gastrointestinal tract (GI) was represented by nine compartments and first-order transit kinetics was assumed for the drug fractions. Dissolution processes were described using solubility-independent or solubility-dependent mechanisms and pH effects. Linear transit and linear absorption mechanisms including gradual decrease absorption rate were considered to represent the passive diffusion process. Internal validation of the Phys-DAT model was performed through simulation-based analysis, considering different theoretical scenarios. External validation was carried out using in silico and in vivo data of GI segments and plasma concentrations. Both BCS I and II class drugs were included. RESULTS The model predicts plasma-concentration profiles of each compartment for undissolved, dissolved, and absorbed fractions using PhysPK® v.2.4.1. Internal and external validations demonstrate that the model aligned with the theoretical assumptions and accurately predicted Cmax, Tmax, and AUC 0-t for both BCS I and II drugs. Average Fold Error (AFE), Absolute Average Fold Error (AAFE), and Percent Prediction Error (PPE) calculations indicate good predictive performance, with predicted/observed ratios falling within the acceptable range. CONCLUSIONS Phys-DAT represents a mechanistic model for predicting oral absorption, including the dissolution, pH effect, transit, and absorption processes. PhysPK has shown to be a tool with strong prediction accuracy, similar to the obtained by ODE-based PBPK reference software, and the results obtained with the Phys-DAT model for oral administered drugs showed predictive reliability in healthy volunteers, setting the basis to determine the interchangeability of the acausal MOOM methodology with other modeling approaches.
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Affiliation(s)
- Marina Cuquerella-Gilabert
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Valencia, Spain; Interuniversity Research Institute for Molecular Recognition and Technological Development, Polytechnic University of Valencia-University of Valencia, Valencia, Spain; Simulation Department, Empresarios Agrupados Internacional S.A., Madrid, Spain
| | - Javier Reig-López
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Valencia, Spain; Interuniversity Research Institute for Molecular Recognition and Technological Development, Polytechnic University of Valencia-University of Valencia, Valencia, Spain
| | - Jenifer Serna
- Simulation Department, Empresarios Agrupados Internacional S.A., Madrid, Spain
| | | | - Matilde Merino-Sanjuan
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Valencia, Spain; Interuniversity Research Institute for Molecular Recognition and Technological Development, Polytechnic University of Valencia-University of Valencia, Valencia, Spain
| | - Victor Mangas-Sanjuan
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, University of Valencia, Valencia, Spain; Interuniversity Research Institute for Molecular Recognition and Technological Development, Polytechnic University of Valencia-University of Valencia, Valencia, Spain.
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Pawar G, Wu F, Zhao L, Fang L, Burckart GJ, Feng K, Mousa YM, Al Shoyaib A, Jones MC, Batchelor HK. Integration of Biorelevant Pediatric Dissolution Methodology into PBPK Modeling to Predict In Vivo Performance and Bioequivalence of Generic Drugs in Pediatric Populations: a Carbamazepine Case Study. AAPS J 2023; 25:67. [PMID: 37386339 DOI: 10.1208/s12248-023-00826-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 05/25/2023] [Indexed: 07/01/2023] Open
Abstract
This study investigated the impact of gastro-intestinal fluid volume and bile salt (BS) concentration on the dissolution of carbamazepine (CBZ) immediate release (IR) 100 mg tablets and to integrate these in vitro biorelevant dissolution profiles into physiologically based pharmacokinetic modelling (PBPK) in pediatric and adult populations to determine the biopredictive dissolution profile. Dissolution profiles of CBZ IR tablets (100 mg) were generated in 50-900 mL biorelevant adult fasted state simulated gastric and intestinal fluid (Ad-FaSSGF and Ad-FaSSIF), also in three alternative compositions of biorelevant pediatric FaSSGF and FaSSIF medias at 200 mL. This study found that CBZ dissolution was poorly sensitive to changes in the composition of the biorelevant media, where dissimilar dissolution (F2 = 46.2) was only observed when the BS concentration was changed from 3000 to 89 μM (Ad-FaSSIF vs Ped-FaSSIF 50% 14 BS). PBPK modeling demonstrated the most predictive dissolution volume and media composition to forecast the PK was 500 mL of Ad-FaSSGF/Ad-FaSSIF media for adults and 200 mL Ped-FaSSGF/FaSSIF media for pediatrics. A virtual bioequivalence simulation was conducted by using Ad-FaSSGF and/or Ad-FaSSIF 500 mL or Ped-FaSSGF and/or Ped-FaSSIF 200 mL dissolution data for CBZ 100 mg (reference and generic test) IR product. The CBZ PBPK models showed bioequivalence of the product. This study demonstrates that the integration of biorelevant dissolution data can predict the PK profile of a poorly soluble drug in both populations. Further work using more pediatric drug products is needed to verify biorelevant dissolution data to predict the in vivo performance in pediatrics.
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Affiliation(s)
- Gopal Pawar
- School of Pharmacy, Institute of Clinical Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
| | - Fang Wu
- Division of Quantitative Methods and Modelling, Office of Research and Standard, Office of Generic Drug Products, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, Maryland, 20993, USA.
| | - Liang Zhao
- Division of Quantitative Methods and Modelling, Office of Research and Standard, Office of Generic Drug Products, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, Maryland, 20993, USA
| | - Lanyan Fang
- Division of Quantitative Methods and Modelling, Office of Research and Standard, Office of Generic Drug Products, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, Maryland, 20993, USA
| | - Gilbert J Burckart
- Office of Clinical Pharmacology, Office of Translational Science, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, Maryland, 20993, USA
| | - Kairui Feng
- Division of Quantitative Methods and Modelling, Office of Research and Standard, Office of Generic Drug Products, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, Maryland, 20993, USA
| | - Youssef M Mousa
- Division of Quantitative Methods and Modelling, Office of Research and Standard, Office of Generic Drug Products, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, Maryland, 20993, USA
| | - Abdullah Al Shoyaib
- Division of Quantitative Methods and Modelling, Office of Research and Standard, Office of Generic Drug Products, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, Maryland, 20993, USA
| | - Marie-Christine Jones
- School of Pharmacy, Institute of Clinical Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
| | - Hannah K Batchelor
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, UK.
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Shah H, Shah K, Gajera B, Dave RH, Taft DR. Developing a Formulation Strategy Coupled with PBPK Modeling and Simulation for the Weakly Basic Drug Albendazole. Pharmaceutics 2023; 15:pharmaceutics15041040. [PMID: 37111526 PMCID: PMC10145446 DOI: 10.3390/pharmaceutics15041040] [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: 02/07/2023] [Revised: 03/11/2023] [Accepted: 03/17/2023] [Indexed: 04/29/2023] Open
Abstract
Albendazole (ABZ) is a weakly basic drug that undergoes extensive presystemic metabolism after oral administration and converts to its active form albendazole sulfoxide (ABZ_SO). The absorption of albendazole is limited by poor aqueous solubility, and dissolution is the rate-limiting step in the overall exposure of ABZ_SO. In this study, PBPK modeling was used to identify formulation-specific parameters that impact the oral bioavailability of ABZ_SO. In vitro experiments were carried out to determine pH solubility, precipitation kinetics, particle size distribution, and biorelevant solubility. A transfer experiment was conducted to determine the precipitation kinetics. A PBPK model for ABZ and ABZ_SO was developed using the Simcyp™ Simulator based on parameter estimates from in vitro experiments. Sensitivity analyses were performed to assess the impact of physiological parameters and formulation-related parameters on the systemic exposure of ABZ_SO. Model simulations predicted that increased gastric pH significantly reduced ABZ absorption and, subsequently, ABZ_SO systemic exposure. Reducing the particle size below 50 µm did not improve the bioavailability of ABZ. Modeling results illustrated that systemic exposure of ABZ_SO was enhanced by increasing solubility or supersaturation and decreasing the drug precipitation of ABZ at the intestinal pH level. These results were used to identify potential formulation strategies to enhance the oral bioavailability of ABZ_SO.
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Affiliation(s)
- Harsh Shah
- Invagen, A Cipla Subsidiary, Hauppauge, NY 11788, USA
| | - Kushal Shah
- Takeda Pharmaceuticals International Inc., Cambridge, MA 02139, USA
| | | | - Rutesh H Dave
- Division of Pharmaceutical Sciences, Arnold & Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY 11201, USA
| | - David R Taft
- Samuel J. and Joan B. Williamson Institute for Pharmacometrics, Division of Pharmaceutical Sciences, Arnold & Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY 11201, USA
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Xu J, Zhang L, Shao X. Applications of bio-predictive dissolution tools for the development of solid oral dosage forms: Current industry experience. Drug Dev Ind Pharm 2022; 48:79-97. [PMID: 35786119 DOI: 10.1080/03639045.2022.2098315] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Development and optimization of orally administered drug products often require bio-predictive tools to help with informing formulation and manufacturing decisions. Reliable bio-predictive dissolution toolkits not only allow rational development of target formulations without having to conduct excessive in vivo studies but also help in detecting critical material attributes (CMAs), critical formulation variables (CFVs), or critical process parameters (CPPs) that could impact a drug's in vivo performance. To provide early insights for scientists on the development of a bio-predictive method for drug product development, this review summarizes current phase-appropriate bio-predictive dissolution approaches applicable to address typical concerns on solubility-limited absorption, food effect, achlorhydria, development of extended-release formulation, clinically relevant specification, and biowaiver. The selection of an in vitro method which can capture the key rate-limiting step(s) of the in vivo dissolution and/or absorption is considered to have a better chance to produce a meaningful in vitro-in vivo correlation (IVIVC) or in vitro-in vivo relationship (IVIVR).
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Affiliation(s)
- Jin Xu
- Pharmaceutical Development, Biogen Inc., 115 Broadway, Cambridge, MA 02142, United State
| | - Limin Zhang
- Analytical Strategy and Operations, Bristol-Myers Squibb, Co., One Squibb Drive, New Brunswick, NJ 08903, United State
| | - Xi Shao
- Analytical R&D, Development Science, AbbVie Inc., 1 N Waukegan Rd, North Chicago, IL, 60064, United States
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K Y, Kollipara S, Ahmed T, Chachad S. Applications of PBPK/PBBM modeling in generic product development: An industry perspective. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103152] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Cámara-Martinez I, Blechar JA, Ruiz-Picazo A, Garcia-Arieta A, Calandria C, Merino-Sanjuan V, Langguth P, Gonzalez-Alvarez M, Bermejo M, Al-Gousous J, Gonzalez-Alvarez I. Level A IVIVC for immediate release tablets confirms in vivo predictive dissolution testing for ibuprofen. Int J Pharm 2021; 614:121415. [PMID: 34973409 DOI: 10.1016/j.ijpharm.2021.121415] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/15/2021] [Accepted: 12/18/2021] [Indexed: 12/30/2022]
Abstract
A bioequivalence study comparing two fixed dose combination tablets containing 200 mg ibuprofen and 30 mg pseudoephedrine hydrochloride showed bioequivalence for pseudoephedrine AUC and Cmax, but the reference product showed higher Cmax than the test product in fasted conditions. The main difference between products was the presence of tribasic calcium phosphate in the reference tablet, resulting in an increased surface pH of the dissolving ibuprofen particles under gastric and intestinal conditions and, consequently, higher solubility of ibuprofen. A mechanistic model based on mass balance and ionization equilibria was used to calculate the pH of the particle surface under different buffer conditions. The discrepancies in surface pH between test and reference tablet were pronounced in 0.1 M and 0.01 M hydrochloric acid and in diluted maleate 7 mM pH 6.5 and phosphate 5 mM pH 6.7 buffers (but negligible in compendial phosphate buffer pH 6.8. Only those dissolution tests using pre-treatment in acidic conditions could be used to build a one-step in vitro-in vivo correlation (IVIVC). This work shows the potential of these discriminatory and in vivo predictive dissolution methods to obtain IVIVCs for BCS class IIa drugs and for extending BCS biowaivers to BCS class IIa drugs.
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Affiliation(s)
- I Cámara-Martinez
- Engineering: Pharmacokinetics and Pharmaceutical Technology Area, Miguel Hernandez University, Spain; Pharmacy, Pharmaceutical Technology and Parasitology Area, University of Valencia. Spain
| | - J A Blechar
- Institute of Pharmacy and Biomedical Science, Johannes Gutenberg University, Mainz, Germany
| | - A Ruiz-Picazo
- Engineering: Pharmacokinetics and Pharmaceutical Technology Area, Miguel Hernandez University, Spain
| | - A Garcia-Arieta
- Area of Pharmacokinetics and Generic Medicines, Division of Pharmacology and Clinical Evaluation, Department of Human Use Medicines. Spanish Agency for Medicines and Health Care Products, Spain.
| | | | - V Merino-Sanjuan
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, USA
| | - P Langguth
- Institute of Pharmacy and Biomedical Science, Johannes Gutenberg University, Mainz, Germany
| | - M Gonzalez-Alvarez
- Engineering: Pharmacokinetics and Pharmaceutical Technology Area, Miguel Hernandez University, Spain
| | - M Bermejo
- Engineering: Pharmacokinetics and Pharmaceutical Technology Area, Miguel Hernandez University, Spain.
| | - J Al-Gousous
- Institute of Pharmacy and Biomedical Science, Johannes Gutenberg University, Mainz, Germany; Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, Ann Arbor, USA
| | - I Gonzalez-Alvarez
- Engineering: Pharmacokinetics and Pharmaceutical Technology Area, Miguel Hernandez University, Spain
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Silva TMD, Honorio TDS, Chaves MHDC, Duque MD, Cabral LM, Patricio BFDC, Rocha HVA. In silico bioavailability for BCS class II efavirenz tablets using biorelevant dissolution media for IVIVR and simulation of formulation changes. Drug Dev Ind Pharm 2021; 47:1342-1352. [PMID: 34622730 DOI: 10.1080/03639045.2021.1991368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVE This work aims to evaluate the ability of biorelevant dissolution media to simulate the bioavailability of efavirenz tablets, establish an in vitro-in vivo relationship (IVIVR) based on in vivo data using GastroPlus® and simulate formulation changes using DDDPlus™. METHODS Solubility and drug release profiles were conducted in SLS 0.5% and biorelevant media, such as FaSSIF, FeSSIF, FaSSIF-V2, and FeSSIF-V2. The efavirenz physicochemical properties were used to simulate the plasma concentration profile and compare the simulated pharmacokinetic parameters in fasted and fed states. An IVIVR was developed using Loo-Riegelman as the deconvolution method to estimate drug bioavailability. DDDPlus™ was used to perform virtual trials of formulations to evaluate whether formulations changes and the efavirenz particle size could influence the bioavailability. RESULTS The drug dissolution displayed higher levels in the biorelevant media that simulated gut-fed state (FeSSIF and FeSSIF-V2). The absorption model successfully predicted the efavirenz pharmacokinetics, and FeSSIF-V2 was chosen as the predictive dissolution media, while an IVIVR was established using the Loo-Riegelman deconvolution method. CONCLUSIONS The present work provides valuable information about efavirenz solubility and kinetics in the gastrointestinal tract, allowing an IVIVR to support future formulation changes. This understanding is essential for rational science-driven formulation development. At least, this study also showed the validity and applicability of in vitro and in silico tools in the regulatory scenario helping on drug development.
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Affiliation(s)
- Thalita Martins da Silva
- Farmanguinhos, Laboratório de Micro e Nanotecnologia, Rio de Janeiro, Brasil.,Pesquisa e Desenvolvimento na Indústria Farmacêutica, Farmanguinhos, Programa de Pós-graduação Profissional em Gestão, Rio de Janeiro, Brazil
| | - Thiago da Silva Honorio
- Laboratório de Tecnologia Industrial Farmacêutica, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Marcelo Dutra Duque
- Laboratório de Farmacotécnica e Cosmetologia, Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Universidade Federal de São Paulo, Diadema, Brazil
| | - Lucio Mendes Cabral
- Laboratório de Tecnologia Industrial Farmacêutica, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Helvécio Vinícius Antunes Rocha
- Farmanguinhos, Laboratório de Micro e Nanotecnologia, Rio de Janeiro, Brasil.,Pesquisa e Desenvolvimento na Indústria Farmacêutica, Farmanguinhos, Programa de Pós-graduação Profissional em Gestão, Rio de Janeiro, Brazil
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García MA, Cristofoletti R, Abrahamsson B, Groot DW, Parr A, Polli JE, Mehta M, Shah VP, Tomakazu T, Dressman JB, Langguth P. Biowaiver Monograph for Immediate-Release Solid Oral Dosage Forms: Carbamazepine. J Pharm Sci 2021; 110:1935-1947. [PMID: 33610571 DOI: 10.1016/j.xphs.2021.02.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/28/2021] [Accepted: 02/03/2021] [Indexed: 10/22/2022]
Abstract
Literature relevant to assessing whether BCS-based biowaivers can be applied to immediate release (IR) solid oral dosage forms containing carbamazepine as the single active pharmaceutical ingredient are reviewed. Carbamazepine, which is used for the prophylactic therapy of epilepsy, is a non-ionizable drug that cannot be considered "highly soluble" across the range of pH values usually encountered in the upper gastrointestinal tract. Furthermore, evidence in the open literature suggests that carbamazepine is a BCS Class 2 drug. Nevertheless, the oral absolute bioavailability of carbamazepine lies between 70 and 78% and both in vivo and in vitro data support the classification of carbamazepine as a highly permeable drug. Since the therapeutic and toxic plasma level ranges overlap, carbamazepine is considered to have a narrow therapeutic index. For these reasons, a BCS based biowaiver for IR tablets of carbamazepine cannot be recommended. Interestingly, in nine out of ten studies, USP dissolution conditions (900 mL water with 1% SLS, paddle, 75 rpm) appropriately discriminated among bioinequivalent products and this may be a way forward to predicting whether a given formulation will be bioequivalent to the comparator product.
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Affiliation(s)
- Mauricio A García
- Pharmaceutical Technology and Biopharmaceutics, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany
| | - Rodrigo Cristofoletti
- Center for Pharmacometrics and Systems Pharmacology, Department of Pharmaceutics, College of Pharmacy, University of Florida, Orlando, FL, USA
| | | | - Dirk W Groot
- RIVM (National Institute for Public Health and the Environment), Bilthoven, the Netherlands
| | | | - James E Polli
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, MD, USA
| | - Mehul Mehta
- Division of Clinical Pharmacology, Centre for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, MD, USA
| | - Vinod P Shah
- International Pharmaceutical Federation (FIP), The Hague, the Netherlands
| | - Tajiri Tomakazu
- Pharmaceutical Science & Technology Laboratories, Astellas Pharma Inc, Ibaraki, Japan
| | - Jennifer B Dressman
- Fraunhofer Institute of Translational Medicine and Pharmacology, ITMP, Institute of Pharmaceutical Technology, Johann Wolfgang Goethe University, Frankfurt am Main, Germany.
| | - Peter Langguth
- Pharmaceutical Technology and Biopharmaceutics, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Mainz, Germany.
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Loisios-Konstantinidis I, Dressman J. Physiologically Based Pharmacokinetic/Pharmacodynamic Modeling to Support Waivers of In Vivo Clinical Studies: Current Status, Challenges, and Opportunities. Mol Pharm 2020; 18:1-17. [PMID: 33320002 DOI: 10.1021/acs.molpharmaceut.0c00903] [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] [Indexed: 02/08/2023]
Abstract
Physiologically based pharmacokinetic/pharmacodynamic (PBPK/PD) modeling has been extensively applied to quantitatively translate in vitro data, predict the in vivo performance, and ultimately support waivers of in vivo clinical studies. In the area of biopharmaceutics and within the context of model-informed drug discovery and development (MID3), there is a rapidly growing interest in applying verified and validated mechanistic PBPK models to waive in vivo clinical studies. However, the regulatory acceptance of PBPK analyses for biopharmaceutics and oral drug absorption applications, which is also referred to variously as "PBPK absorption modeling" [Zhang et al. CPT: Pharmacometrics Syst. Pharmacol. 2017, 6, 492], "physiologically based absorption modeling", or "physiologically based biopharmaceutics modeling" (PBBM), remains rather low [Kesisoglou et al. J. Pharm. Sci. 2016, 105, 2723] [Heimbach et al. AAPS J. 2019, 21, 29]. Despite considerable progress in the understanding of gastrointestinal (GI) physiology, in vitro biopharmaceutic and in silico tools, PBPK models for oral absorption often suffer from an incomplete understanding of the physiology, overparameterization, and insufficient model validation and/or platform verification, all of which can represent limitations to their translatability and predictive performance. The complex interactions of drug substances and (bioenabling) formulations with the highly dynamic and heterogeneous environment of the GI tract in different age, ethnic, and genetic groups as well as disease states have not been yet fully elucidated, and they deserve further research. Along with advancements in the understanding of GI physiology and refinement of current or development of fully mechanistic in silico tools, we strongly believe that harmonization, interdisciplinary interaction, and enhancement of the translational link between in vitro, in silico, and in vivo will determine the future of PBBM. This Perspective provides an overview of the current status of PBBM, reflects on challenges and knowledge gaps, and discusses future opportunities around PBPK/PD models for oral absorption of small and large molecules to waive in vivo clinical studies.
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Affiliation(s)
| | - Jennifer Dressman
- Institute of Pharmaceutical Technology, Goethe University, Frankfurt am Main 60438, Germany.,Fraunhofer Institute of Translational Pharmacology and Medicine (ITMP), Carl-von-Noorden Platz 9, Frankfurt am Main 60438, Germany
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12
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Identification of the in vivo relevant dissolution media for the three active components in EGb 761 tablet for better correlation with their pharmacokinetics in healthy subjects. Eur J Pharm Sci 2020; 154:105515. [DOI: 10.1016/j.ejps.2020.105515] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/22/2020] [Accepted: 08/13/2020] [Indexed: 11/22/2022]
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13
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Bermejo M, Meulman J, Davanço MG, Carvalho PDO, Gonzalez-Alvarez I, Campos DR. In Vivo Predictive Dissolution (IPD) for Carbamazepine Formulations: Additional Evidence Regarding a Biopredictive Dissolution Medium. Pharmaceutics 2020; 12:pharmaceutics12060558. [PMID: 32560369 PMCID: PMC7355855 DOI: 10.3390/pharmaceutics12060558] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/01/2020] [Accepted: 06/10/2020] [Indexed: 11/23/2022] Open
Abstract
The aim of the present study was to bring additional evidence regarding a biopredictive dissolution medium containing 1% sodium lauryl sulphate (SLS) to predict the in vivo behavior of carbamazepine (CBZ) products. Twelve healthy volunteers took one immediate release (IR) dose of either test and reference formulations in a bioequivalence study (BE). Dissolution profiles were carried-out using the medium. Level A in vitro–in vivo correlations (IVIVC) were established using both one-step and two-step approaches as well as exploring the time-scaling approach to account for the differences in dissolution rate in vitro versus in vivo. A detailed step by step calculation was provided to clearly illustrate all the procedures. The results show additional evidence that the medium containing 1% SLS can be classified as a universal biopredictive dissolution tool, and that both of the approaches used to develop the IVIVC (one and two-steps) provide good in vivo predictability. Therefore, this biopredictive medium could be a highly relevant tool in Latin-American countries to ensure and check the quality of their CBZ marketed products for which BE studies were not requested by their regulatory health authorities.
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Affiliation(s)
- Marival Bermejo
- Department of Engineering, Pharmacy and Pharmaceutical Technology Area, Facultad de Farmacia, University Miguel Hernandez de Elche, San Juan de Alicante, 03550 Alicante, Spain;
| | - Jessica Meulman
- Faculty of Pharmaceutical Sciences, University of Campinas—UNICAMP, Campinas, 13083-871 São Paulo, Brazil;
| | - Marcelo Gomes Davanço
- Postgraduate Program in Health Sciences, Universidade São Francisco, Bragança Paulista, 12916-900 São Paulo, Brazil; (M.G.D.); (P.d.O.C.); (D.R.C.)
| | - Patricia de Oliveira Carvalho
- Postgraduate Program in Health Sciences, Universidade São Francisco, Bragança Paulista, 12916-900 São Paulo, Brazil; (M.G.D.); (P.d.O.C.); (D.R.C.)
| | - Isabel Gonzalez-Alvarez
- Department of Engineering, Pharmacy and Pharmaceutical Technology Area, Facultad de Farmacia, University Miguel Hernandez de Elche, San Juan de Alicante, 03550 Alicante, Spain;
- Correspondence:
| | - Daniel Rossi Campos
- Postgraduate Program in Health Sciences, Universidade São Francisco, Bragança Paulista, 12916-900 São Paulo, Brazil; (M.G.D.); (P.d.O.C.); (D.R.C.)
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14
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Zarmpi P, Flanagan T, Meehan E, Mann J, Fotaki N. Impact of Magnesium Stearate Presence and Variability on Drug Apparent Solubility Based on Drug Physicochemical Properties. AAPS JOURNAL 2020; 22:75. [PMID: 32440810 PMCID: PMC7242257 DOI: 10.1208/s12248-020-00449-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 03/20/2020] [Indexed: 11/30/2022]
Abstract
Excipients are major components of oral solid dosage forms, and changes in their critical material attributes (excipient variability) and/or amount (excipient variation) in pharmaceutical formulations may present a challenge for product performance. Understanding the biopharmaceutical factors affecting excipient performance is recommended for the successful implementation of excipient variability on Quality by Design (QbD) approaches. The current study investigated the impact of magnesium stearate (MgSt) variability on the apparent solubility of drugs with a wide range of physicochemical properties (drug ionization, drug lipophilicity, drug aqueous solubility). Compendial and biorelevant media were used to assess the role of gastrointestinal (GI) conditions on the excipient effects on drug apparent solubility. The lipophilic nature of MgSt decreased the apparent solubility of most compounds. The reduction in drug apparent solubility was more pronounced for highly soluble and/or highly ionized drugs and in presence of more highly crystalline or smaller particle size MgSt. The use of multivariate data analysis revealed the critical physicochemical and biopharmaceutical factors and the complex nature of excipient variability on the reduction in drug apparent solubility. The construction of a roadmap combining drug, excipient and medium characteristics allowed the identification of the cases where the presence of excipient or excipient variability may present risks for oral drug performance.
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Affiliation(s)
- P Zarmpi
- Department of Pharmacy and Pharmacology, University of Bath, Bath, BA2 7AY, UK
| | - T Flanagan
- Pharmaceutical Technology & Development, AstraZeneca, Macclesfield, UK.,UCB Pharma, Chemin du Foriest, B-1420, Braine-l'Alleud, Belgium
| | - E Meehan
- Pharmaceutical Technology & Development, AstraZeneca, Macclesfield, UK
| | - J Mann
- Pharmaceutical Technology & Development, AstraZeneca, Macclesfield, UK
| | - Nikoletta Fotaki
- Department of Pharmacy and Pharmacology, University of Bath, Bath, BA2 7AY, UK.
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15
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Zarmpi P, Flanagan T, Meehan E, Mann J, Fotaki N. Biopharmaceutical Understanding of Excipient Variability on Drug Apparent Solubility Based on Drug Physicochemical Properties: Case Study-Hypromellose (HPMC). AAPS JOURNAL 2020; 22:49. [PMID: 32072317 PMCID: PMC7028811 DOI: 10.1208/s12248-019-0411-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 12/21/2019] [Indexed: 02/07/2023]
Abstract
Identification of the biopharmaceutical risks of excipients and excipient variability on oral drug performance can be beneficial for the development of robust oral drug formulations. The current study investigated the impact of Hypromellose (HPMC) presence and varying viscosity type, when used as a binder in immediate release formulations, on the apparent solubility of drugs with wide range of physicochemical properties (drug ionization, drug lipophilicity, drug aqueous solubility). The role of physiological conditions on the impact of excipients on drug apparent solubility was assessed with the use of pharmacopoeia (compendial) and biorelevant media. Presence of HPMC affected drug solubility according to the physicochemical properties of studied compounds. The possible combined effects of polymer adsorption (drug shielding effect) or the formation of a polymeric viscous layer around drug particles may have retarded drug dissolution leading to reduced apparent solubility of highly soluble and/or highly ionized compounds and were pronounced mainly at early time points. Increase in the apparent solubility of poorly soluble low ionized drugs containing a neutral amine group was observed which may relate to enhanced drug solubilization or reduced drug precipitation. The use of multivariate data analysis confirmed the importance of drug physicochemical properties on the impact of excipients on drug apparent solubility and revealed that changes in HPMC material properties or amount may not be critical for oral drug performance when HPMC is used as a binder. The construction of a roadmap combining drug, excipient, and medium characteristics allowed the identification of the cases where HPMC presence may present risks in oral drug performance and bioavailability.
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Affiliation(s)
- P Zarmpi
- Department of Pharmacy and Pharmacology, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - T Flanagan
- Pharmaceutical Technology & Development, AstraZeneca, Macclesfield, UK.,UCB Pharma, Chemin du Foriest, 1420, Braine-l'Alleud, Belgium
| | - E Meehan
- Pharmaceutical Technology & Development, AstraZeneca, Macclesfield, UK
| | - J Mann
- Pharmaceutical Technology & Development, AstraZeneca, Macclesfield, UK
| | - N Fotaki
- Department of Pharmacy and Pharmacology, University of Bath, Claverton Down, Bath, BA2 7AY, UK.
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16
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Zarmpi P, Flanagan T, Meehan E, Mann J, Fotaki N. Biopharmaceutical Understanding of Excipient Variability on Drug Apparent Solubility Based on Drug Physicochemical Properties. Case Study: Superdisintegrants. AAPS JOURNAL 2020; 22:46. [PMID: 32048079 PMCID: PMC7012964 DOI: 10.1208/s12248-019-0406-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 12/06/2019] [Indexed: 01/28/2023]
Abstract
The presence of different excipient types/brands in solid oral dosage forms may affect product performance and drug bioavailability. Understanding the biopharmaceutical implications of superdisintegrant variability (changes in material properties), variation (changes in excipient amount) and interchangeability (use of different excipient types with the same intended functionality) in oral drug performance would be beneficial for the development of robust final dosage forms. The current study investigated the impact of superdisintegrants (sodium starch glycolate, croscarmellose sodium, crospovidone) on the apparent solubility of drugs with different physicochemical properties (drug ionisation, drug lipophilicity, drug aqueous solubility). Compendial and biorelevant media were used to assess the impact of gastrointestinal conditions on the effects of excipient on drug apparent solubility. For the majority of compounds, changes in drug apparent solubility were not observed in superdisintegrant presence, apart from the cases of highly ionised compounds (significant decrease in drug solubility) and/or compounds that aggregate/precipitate in solution (significant increase in drug solubility). Excipient variability did not greatly affect the impact of excipients on drug apparent solubility. The use of multivariate data analysis identified the biopharmaceutical factors affecting excipient performance. The construction of roadmaps revealed that superdisintegrants may be of low risk for the impact of excipients on oral drug performance based on drug solubility alone; superdisintegrants activity could still be a risk for oral bioavailability due to their effects on tablet disintegration.
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Affiliation(s)
- Panagiota Zarmpi
- Department of Pharmacy and Pharmacology, University of Bath, Bath, BA2 7AY, UK
| | - Talia Flanagan
- Pharmaceutical Technology & Development, AstraZeneca, Macclesfield, UK.,UCB Pharma, Chemin du Foriest, B-1420, Braine-l'Alleud, Belgium
| | - Elizabeth Meehan
- Pharmaceutical Technology & Development, AstraZeneca, Macclesfield, UK
| | - James Mann
- Pharmaceutical Technology & Development, AstraZeneca, Macclesfield, UK
| | - Nikoletta Fotaki
- Department of Pharmacy and Pharmacology, University of Bath, Bath, BA2 7AY, UK.
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17
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Zarmpi P, Flanagan T, Meehan E, Mann J, Fotaki N. Surface dissolution UV imaging for characterization of superdisintegrants and their impact on drug dissolution. Int J Pharm 2020; 577:119080. [PMID: 31988030 DOI: 10.1016/j.ijpharm.2020.119080] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 01/21/2020] [Accepted: 01/22/2020] [Indexed: 12/15/2022]
Abstract
Superdisintegrants are a key excipient used in immediate release formulations to promote fast tablet disintegration, therefore understanding the impact of superdisintegrant variability on product performance is important. The current study examined the impact of superdisintegrant critical material attributes (viscosity for sodium starch glycolate (SSG), particle size distribution (PSD) for croscarmellose sodium (CCS)) on their performance (swelling) and on drug dissolution using surface dissolution UV imaging. Acidic and basic pharmacopoeia (compendial) media were used to assess the role of varying pH on superdisintegrant performance and its effect on drug dissolution. A highly soluble (paracetamol) and a poorly soluble (carbamazepine) drug were used as model compounds and drug compacts and drug-excipient compacts were prepared for the dissolution experiments. The presence of a swelled SSG or CCS layer on the compact surface, due to the fast excipient hydration capacity, upon contact with dissolution medium was visualized. The swelling behaviour of superdisintegrants depended on excipient critical material attributes and the pH of the medium. Drug dissolution was faster in presence compared to superdisintegrant absence due to improved compact wetting or compact disintegration. The improvement in drug dissolution was less pronounced with increasing SSG viscosity or CCS particle size. Drug dissolution was slightly more complete in basic compared to acidic conditions in presence of the studied superdisintegrants for the highly soluble drug attributed to the increased excipient hydration capacity and the fast drug release through the swelled excipient structure. The opposite was observed for the poorly soluble drug as potentially the improvement in drug dissolution was compromised by drug release from the highly swelled structure. The use of multivariate data analysis revealed the influential role of excipient and drug properties on the impact of excipient variability on drug dissolution.
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Affiliation(s)
- P Zarmpi
- Department of Pharmacy and Pharmacology, University of Bath, Bath, United Kingdom
| | - T Flanagan
- Pharmaceutical Technology & Development, AstraZeneca, Macclesfield, United Kingdom
| | - E Meehan
- Pharmaceutical Technology & Development, AstraZeneca, Macclesfield, United Kingdom
| | - J Mann
- Pharmaceutical Technology & Development, AstraZeneca, Macclesfield, United Kingdom
| | - N Fotaki
- Department of Pharmacy and Pharmacology, University of Bath, Bath, United Kingdom.
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18
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In Vitro Dissolution and in Silico Modeling Shortcuts in Bioequivalence Testing. Pharmaceutics 2020; 12:pharmaceutics12010045. [PMID: 31947944 PMCID: PMC7022479 DOI: 10.3390/pharmaceutics12010045] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 12/31/2019] [Accepted: 01/02/2020] [Indexed: 12/11/2022] Open
Abstract
Purpose: To review in vitro testing and simulation platforms that are in current use to predict in vivo performances of generic products as well as other situations to provide evidence for biowaiver and support drug formulations development. Methods: Pubmed and Google Scholar databases were used to review published literature over the past 10 years. The terms used were “simulation AND bioequivalence” and “modeling AND bioequivalence” in the title field of databases, followed by screening, and then reviewing. Results: A total of 22 research papers were reviewed. Computer simulation using software such as GastroPlus™, PK-Sim® and SimCyp® find applications in drug modeling. Considering the wide use of optimization for in silico predictions to fit observed data, a careful review of publications is required to validate the reliability of these platforms. For immediate release (IR) drug products belonging to the Biopharmaceutics Classification System (BCS) classes I and III, difference factor (ƒ1) and similarity factor (ƒ2) are calculated from the in vitro dissolution data of drug formulations to support biowaiver; however, this method can be more discriminatory and may not be useful for all dissolution profiles. Conclusions: Computer simulation platforms need to improve their mechanistic physiologically based pharmacokinetic (PBPK) modeling, and if prospectively validated within a small percentage of error from the observed clinical data, they can be valuable tools in bioequivalence (BE) testing and formulation development.
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19
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Conceição J, Farto-Vaamonde X, Goyanes A, Adeoye O, Concheiro A, Cabral-Marques H, Sousa Lobo JM, Alvarez-Lorenzo C. Hydroxypropyl-β-cyclodextrin-based fast dissolving carbamazepine printlets prepared by semisolid extrusion 3D printing. Carbohydr Polym 2019; 221:55-62. [DOI: 10.1016/j.carbpol.2019.05.084] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 05/15/2019] [Accepted: 05/15/2019] [Indexed: 10/26/2022]
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20
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El-Bary AA, Al Sharabi I, Haza'a BS. Effect of casting solvent, film-forming agent and solubilizer on orodispersible films of a polymorphic poorly soluble drug: anin vitro/in silicostudy. Drug Dev Ind Pharm 2019; 45:1751-1769. [DOI: 10.1080/03639045.2019.1656733] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ahmed Abd El-Bary
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Ibrahim Al Sharabi
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
| | - Balqees Saeed Haza'a
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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21
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Hofsäss MA, Dressman JB. The Discriminatory Power of the BCS-Based Biowaiver: A Retrospective With Focus on Essential Medicines. J Pharm Sci 2019; 108:2824-2837. [DOI: 10.1016/j.xphs.2019.04.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 04/01/2019] [Accepted: 04/25/2019] [Indexed: 11/25/2022]
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22
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Li X, Yang Y, Zhang Y, Wu C, Jiang Q, Wang W, Li H, Li J, Luo C, Wu W, Wang Y, Zhang T. Justification of Biowaiver and Dissolution Rate Specifications for Piroxicam Immediate Release Products Based on Physiologically Based Pharmacokinetic Modeling: An In-Depth Analysis. Mol Pharm 2019; 16:3780-3790. [DOI: 10.1021/acs.molpharmaceut.9b00350] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Xiaoting Li
- Department of Pharmaceutical Analysis, Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, PR China
| | - Yuanhang Yang
- Department of Pharmaceutical Analysis, Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, PR China
| | - Yu Zhang
- Department of Pharmaceutical Analysis, Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, PR China
| | - Chunnuan Wu
- Department of Pharmacy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin’s Clinical Research Center for Cancer, Tianjin 300060, PR China
| | - Qikun Jiang
- Department of Pharmaceutical Analysis, Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, PR China
| | - Weiping Wang
- Department of Pharmaceutical Analysis, Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, PR China
| | - Huixin Li
- Department of Pharmaceutical Analysis, Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, PR China
| | - Jing Li
- Liaoning Key Laboratory of Environmental Pollution and Microecology, School of Basic Medical Science, Shenyang Medical College, No. 146 Huanghe North Street, Shenyang 110016, PR China
| | - Cong Luo
- Department of Pharmaceutical Analysis, Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, PR China
| | - Wenying Wu
- Department of Pharmaceutical Analysis, Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, PR China
| | - Yingli Wang
- Department of Pharmaceutical Analysis, Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, PR China
| | - Tianhong Zhang
- Department of Pharmaceutical Analysis, Wuya College of Innovation, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, PR China
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In Silico Prediction of Plasma Concentrations of Fluconazole Capsules with Different Dissolution Profiles and Bioequivalence Study Using Population Simulation. Pharmaceutics 2019; 11:pharmaceutics11050215. [PMID: 31060289 PMCID: PMC6571621 DOI: 10.3390/pharmaceutics11050215] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 03/25/2019] [Accepted: 03/29/2019] [Indexed: 11/17/2022] Open
Abstract
A biowaiver is accepted by the Brazilian Health Surveillance Agency (ANVISA) for immediate-release solid oral products containing Biopharmaceutics Classification System (BCS) class I drugs showing rapid drug dissolution. This study aimed to simulate plasma concentrations of fluconazole capsules with different dissolution profiles and run population simulation to evaluate their bioequivalence. The dissolution profiles of two batches of the reference product Zoltec® 150 mg capsules, A1 and A2, and two batches of other products (B1 and B2; C1 and C2), as well as plasma concentration–time data of the reference product from the literature, were used for the simulations. Although products C1 and C2 had drug dissolutions < 85% in 30 min at 0.1 M HCl, simulation results demonstrated that these products would show the same in vivo performance as products A1, A2, B1, and B2. Population simulation results of the ln-transformed 90% confidence interval for the ratio of Cmax and AUC0–t values for all products were within the 80–125% interval, showing to be bioequivalent. Thus, even though the in vitro dissolution behavior of products C1 and C2 was not equivalent to a rapid dissolution profile, the computer simulations proved to be an important tool to show the possibility of bioequivalence for these products.
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Thakore SD, Thakur PS, Shete G, Gangwal R, Narang AS, Sangamwar AT, Bansal AK. Assessment of Biopharmaceutical Performance of Supersaturating Formulations of Carbamazepine in Rats Using Physiologically Based Pharmacokinetic Modeling. AAPS PharmSciTech 2019; 20:179. [PMID: 31041552 DOI: 10.1208/s12249-019-1386-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 04/08/2019] [Indexed: 11/30/2022] Open
Abstract
There is an overgrowing emphasis on supersaturating drug delivery systems (SDDS) with increase in number of poorly water-soluble compounds. However, biopharmaceutical performance from these formulations is limited by phase transformation to stable crystalline form due to their high-energy physical form. In the present study, in vitro kinetic solubility in water and dissolution in biorelevant medium integrated with in silico physiologically based pharmacokinetic (PBPK) modeling was used to predict biopharmaceutical performance of SDDS of poorly water-soluble compound, carbamazepine (CBZ). GastroPlus™ with advanced compartmental absorption and transit model was used as a simulation tool for the study. Wherein, the model was developed using physicochemical properties of CBZ and disposition parameters obtained after intravenous administration of CBZ (20 mg/kg) into Sprague-Dawley (SD) rats. Biorelevant medium was selected by screening different dissolution media for their capability to predict oral plasma concentration-time profile of marketed formulation of CBZ. In vivo performance of SDDS was predicted with the developed model and compared to observed plasma concentration-time profile obtained after oral administration of SDDS into SD rats (20 mg/kg). The predictions, with strategy of using kinetic solubility and dissolution in the selected biorelevant medium, were consistent with observed biopharmaceutical performance of SDDS. Additionally, phase transformation of CBZ during gastrointestinal transit of formulations was evaluated and correlated with in vivo dissolution deconvoluted by Loo-Reigelman analysis.
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25
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Miyake M, Oka Y, Mukai T. Food effect on meal administration time of pharmacokinetic profile of cilostazol, a BCS class II drug. Xenobiotica 2019; 50:145-149. [PMID: 30938549 DOI: 10.1080/00498254.2019.1602746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Cilostazol (CLZ) is categorized as a biopharmaceutical classification system (BCS) class II drug. CLZ suspensions of jet-milled particles were orally administered to beagle dogs in fasted and fed states, for which food was given 0.5 h before the experiment.The mean highest concentration of CLZ (Cmax) and the area under the serum concentration-time curve (AUCt) fed/fasted ratios were 2.90 and 2.85, respectively, indicating a large and variable food effect. Additionally, CLZ was administered to the same dogs at 2 and 4 h after food or 0.5 h before food. The serum concentrations of CLZ were similar when dosed 0.5 and 2 h after food; however, they were significantly lower when dosed 4 h after food but still greater compared with the fasted state.Furthermore, the ratio of fed/fasted in AUCt was better correlated than that in Cmax. Additionally, the serum concentrations were similar to the fasted states when CLZ was dosed 0.5 h before food.Therefore, the results of this study showed that the serum concentration-time profile of CLZ was significantly affected by the timing of food administration, and that a good correlation was observed between food administration time and the Cmax and AUCt fed/fasted ratios.
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Affiliation(s)
- Masateru Miyake
- Bioavailability Research Project Formulation Research Institute, Otsuka Pharmaceutical Co. Ltd., Tokushima, Japan.,Quality Assurance Department, Quality Assurance Section, Headquarters for Product Safety and Quality Assurance, Otsuka Pharmaceutical Co. Ltd., Tokushima, Japan
| | - Yoshikazu Oka
- Bioavailability Research Project Formulation Research Institute, Otsuka Pharmaceutical Co. Ltd., Tokushima, Japan
| | - Tadashi Mukai
- Bioavailability Research Project Formulation Research Institute, Otsuka Pharmaceutical Co. Ltd., Tokushima, Japan
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26
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D’Arcy DM, Persoons T. Understanding the Potential for Dissolution Simulation to Explore the Effects of Medium Viscosity on Particulate Dissolution. AAPS PharmSciTech 2019; 20:47. [PMID: 30617668 DOI: 10.1208/s12249-018-1260-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 11/24/2018] [Indexed: 02/06/2023] Open
Abstract
Viscosity, influenced by medium composition, will affect the hydrodynamics of a dissolution system. Dissolution simulation methods are valuable tools to explore mechanistic dissolution effects, with an understanding of limitations of any simulation method essential to its appropriate use. The aims of this paper were a) to explore, using dissolution simulation, the effects of slightly viscous media on particulate dissolution and b) to illustrate approaches to, and limitations of, the dissolution simulations. A lumped parameter fluid dynamics dissolution simulation model (SIMDISSO™) was used to simulate particulate (20 and 200 μm diameter) dissolution in media with viscosity at 37 °C of water (0.7 mPa.s), milk (1.4 mPa.s) and a nutrient drink (12.3 mPa.s). Effects of flow rate, modality (constant vs pulsing), viscosity and gravitational and particle motion/sedimentation effects on simulated dissolution were explored, in the flow through and paddle apparatuses as appropriate. Shadowgraph imaging (SGI) was used to visualise particle suspension behaviour. Flow rate, hydrodynamic viscous effects and disabling particle motion and gravitational effects affected simulated dissolution of larger particles. SGI imaging revealed retention of particles in suspension in 1.4 mPa.s medium, which sedimented in water. The effect of diffusion adjusted for viscosity was significant for both particle sizes. The limitations of this 1D simulation approach would be greater for larger particles in low velocity regions of the paddle apparatus. Even slightly viscous media can affect dissolution of larger particles with dissolution simulation affording insight into the mechanisms involved, provided the assumptions and limitations of the simulation approach are clarified and understood.
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Ozaki S. Population Balance Model for Simulation of the Supersaturation-Precipitation Behavior of Drugs in Supersaturable Solid Forms. J Pharm Sci 2018; 108:260-267. [PMID: 30092242 DOI: 10.1016/j.xphs.2018.07.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 07/09/2018] [Accepted: 07/27/2018] [Indexed: 01/21/2023]
Abstract
We developed a simulation method to describe in vitro drug concentration-time profiles under supersaturated conditions. In a nonsink dissolution test of carbamazepine polymorphic form III (CBZIII), a model supersaturable solid, the concentration of carbamazepine reached a supersaturated state against its dihydrate form (CBZDH). After a certain period, de-supersaturation due to the precipitation of CBZDH was observed. In the simulation of this typical dissolution-precipitation profile, the precipitation process of CBZDH was simulated by a population balance model in which the rates of primary/secondary nucleation and growth of CBZDH were considered. Six rate constants in the precipitation model were determined from de-supersaturation profiles in unseeded isothermal crystallization experiments of CBZDH. The dissolution process of CBZIII was modeled on the basis of its dissolution profile under a sink condition. The simulated concentration versus time curves satisfactorily reproduced the characteristics of dissolution, supersaturation, and precipitation behavior of the model drug. The presented method will enable rational design of formulations and accurate prediction of the oral absorbability of drugs in supersaturable solid forms.
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Affiliation(s)
- Shunsuke Ozaki
- Analytical Research, Pharmaceutical Science and Technology Core Function Units, Medicine Development Center, Eisai Co. Ltd., Kamisu, Ibaraki 314-0255, Japan.
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Conceição J, Adeoye O, Cabral-Marques HM, Sousa Lobo JM. Hydroxypropyl-β-Cyclodextrin and β-Cyclodextrin as Tablet Fillers for Direct Compression. AAPS PharmSciTech 2018; 19:2710-2718. [PMID: 29978292 DOI: 10.1208/s12249-018-1115-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Accepted: 06/24/2018] [Indexed: 12/28/2022] Open
Abstract
Cyclodextrins are cyclic carbohydrates widely used as complexing and non-complexing excipients in drug delivery systems. The purpose of this work was to study the ability of hydroxypropyl-β-cyclodextrin and β-cyclodextrin to act as tablet fillers for direct compression. In this way, several parameters of the cyclodextrins were evaluated, namely: (i) the flow properties such as angle of repose, flow time, Carr index, and Hausner ratio; (ii) the compaction behavior, specifically the energies and forces exerted during tableting, the plasticity index, the lubrication efficiency, and compression profiles (force/time and work/displacement of the upper punch); and (iii) the influence on carbamazepine release characteristics from uncoated tablets, i.e., dissolution rate and disintegration time. In addition, these properties of the cyclodextrins were compared with those from other commonly used direct compression fillers (lactose monohydrate, mannitol, calcium hydrogen phosphate dihydrate, and microcrystalline cellulose) and co-processed excipients (microcrystalline cellulose/mannitol and lactose monohydrate/cellulose). Three main conclusions can be drawn: (i) the studied cyclodextrins can be used as tablet fillers for direct compression; (ii) hydroxypropyl-β-cyclodextrin showed better properties than β-cyclodextrin mainly at the level of the physics of compression (higher values of plasticity index and lubrication efficiency) and of the drug release characteristics (faster and greater dissolution rate and a shorter disintegration time); and (iii) lactose monohydrate and hydroxypropyl-β-cyclodextrin displayed the best results. As there are people intolerant to lactose, hydroxypropyl-β-cyclodextrin, although its cost is higher, can be considered a good substitute for lactose.
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González-García I, García-Arieta A, Merino-Sanjuan M, Mangas-Sanjuan V, Bermejo M. Defining level A IVIVC dissolution specifications based on individual in vitro dissolution profiles of a controlled release formulation. Eur J Pharm Sci 2018; 119:200-207. [PMID: 29680456 DOI: 10.1016/j.ejps.2018.04.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 04/10/2018] [Accepted: 04/18/2018] [Indexed: 11/26/2022]
Abstract
Regulatory guidelines recommend that, when a level A IVIVC is established, dissolution specification should be established using averaged data and the maximum difference between AUC and Cmax between the reference and test formulations cannot be greater than 20%. However, averaging data assumes a loss of information and may reflect a bias in the results. The objective of the current work is to present a new approach to establish dissolution specifications using a new methodology (individual approach) instead of average data (classical approach). Different scenarios were established based on the relationship between in vitro-in vivo dissolution rate coefficient using a level A IVIVC of a controlled release formulation. Then, in order to compare this new approach with the classical one, six additional batches were simulated. For each batch, 1000 simulations of a dissolution assay were run. Cmax ratios between the reference formulation and each batch were calculated showing that the individual approach was more sensitive and able to detect differences between the reference and the batch formulation compared to the classical approach. Additionally, the new methodology displays wider dissolution specification limits than the classical approach, ensuring that any tablet from the new batch would generate in vivo profiles which its AUC or Cmax ratio will be out of the 0.8-1.25 range, taking into account the in vitro and in vivo variability of the new batches developed.
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Affiliation(s)
- I González-García
- Pharmacy and Pharmaceutical Technology Area, University of Valencia, Spain
| | - A García-Arieta
- División de Farmacología y Evaluación Clínica, Departamento de Medicamentos de Uso Humano, Agencia Española de Medicamentos y Productos Sanitarios, Spain
| | - M Merino-Sanjuan
- Pharmacy and Pharmaceutical Technology Area, University of Valencia, Spain; Institute of Molecular Recognition and Technological Development (IDM), Joint Centre of Polytechnic University of Valencia and University of Valencia, Spain
| | - V Mangas-Sanjuan
- Pharmacy and Pharmaceutical Technology Area, University of Valencia, Spain; Institute of Molecular Recognition and Technological Development (IDM), Joint Centre of Polytechnic University of Valencia and University of Valencia, Spain.
| | - M Bermejo
- Department of Engineering, Pharmacy and Pharmaceutical Technology Area, Miguel Hernandez University, Spain
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Model-based drug development: application of modeling and simulation in drug development. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2017. [DOI: 10.1007/s40005-017-0371-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Kohlmann P, Stillhart C, Kuentz M, Parrott N. Investigating Oral Absorption of Carbamazepine in Pediatric Populations. AAPS JOURNAL 2017; 19:1864-1877. [DOI: 10.1208/s12248-017-0149-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2017] [Accepted: 09/14/2017] [Indexed: 11/30/2022]
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Nagar S, Korzekwa RC, Korzekwa K. Continuous Intestinal Absorption Model Based on the Convection-Diffusion Equation. Mol Pharm 2017; 14:3069-3086. [PMID: 28712300 DOI: 10.1021/acs.molpharmaceut.7b00286] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Prediction of the rate and extent of drug absorption upon oral dosing needs models that capture the complexities of both the drug molecule and intestinal physiology. We report here the development of a continuous intestinal absorption model based on the convection-diffusion equation. The model includes explicit enterocyte apical membrane and intracellular lipid radial compartments along the length of the intestine. Physiologic functions along length x are built into the model and include velocity, diffusion, surface areas, and pH of the intestine. Also included are expression levels of the intestinal active uptake transporter OATP2B1 and efflux transporter P-gp. Oral dosing of solution as well as solid (with a dissolution function) was modeled for several drugs. The fraction absorbed (FA) and concentration-time (C-t) profiles were predicted and compared with clinical data. Overall, FA was well predicted upon oral (n = 21) or colonic dosing (n = 11), with four outliers. The overall accuracy (prediction of the correct bin) was 81% with outliers and 90% without outliers. Of the nine solution dosing data sets, six drugs were very well predicted with an exposure overlap coefficient (EOC) > 0.9 and predicted Cmax and Tmax values similar to those observed. Of the six solid dose formulations evaluated, the EOC values were > 0.9 for all drugs except budesonide. The observed precipitation of nifedipine at high doses was predicted by the model. Most of the poor predictions were for drugs that are known to be transporter substrates. As proof of concept, incorporating OATP2B1 and P-gp markedly improved the EOC and predicted Cmax and Tmax for fexofenadine. Finally, the continuous intestinal model accurately recapitulated the known relationships between drug absorption and permeability, solubility, and particle size. Together, these results indicate that this preliminary intestinal absorption model offers a simple and straightforward framework to build in complexities such as drug permeability, lipid partitioning, solubility, metabolism, and transport for improved prediction of the rate and extent of drug absorption.
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Affiliation(s)
- Swati Nagar
- Department of Pharmaceutical Sciences, Temple University School of Pharmacy , Philadelphia, Pennsylvania 19140, United States
| | - Richard C Korzekwa
- Department of Physics, University of Texas , Austin, Texas 78712, United States
| | - Ken Korzekwa
- Department of Pharmaceutical Sciences, Temple University School of Pharmacy , Philadelphia, Pennsylvania 19140, United States
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Deng J, Staufenbiel S, Bodmeier R. Evaluation of a biphasic in vitro dissolution test for estimating the bioavailability of carbamazepine polymorphic forms. Eur J Pharm Sci 2017; 105:64-70. [DOI: 10.1016/j.ejps.2017.05.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 04/27/2017] [Accepted: 05/06/2017] [Indexed: 11/15/2022]
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Dissolution and dissolution/permeation experiments for predicting systemic exposure following oral administration of the BCS class II drug clarithromycin. Eur J Pharm Sci 2017; 101:211-219. [PMID: 28179133 DOI: 10.1016/j.ejps.2017.02.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 02/02/2017] [Accepted: 02/02/2017] [Indexed: 11/22/2022]
Abstract
In order to save time and resources in early drug development, in vitro methods that correctly predict the formulation effect on oral drug absorption are necessary. The aim of this study was to 1) evaluate various BCS class II drug formulations with in vitro methods and in vivo in order to 2) determine which in vitro method best correlates with the in vivo results. Clarithromycin served as model compound in formulations with different particle sizes and content of excipients. The performed in vitro experiments were dissolution and dissolution/permeation experiments across two types of membrane, Caco-2 cells and excised rat intestinal sheets. The in vivo study was performed in rats. The oral absorption was enhanced by downsizing drug particles and by increasing the excipient concentration. This correlated strongly with the flux across Caco-2 cells but not with the other in vitro experiments. The insufficient correlation with the dissolution experiments can be partly explained by excipient caused problems during the filtration step. The very poor correlation of the in vivo data with the flux across excised rat intestinal sheets might be due to an artificially enlarged mucus layer ex vivo. In conclusion, downsizing BCS class II drug particles and the addition of surfactants enhanced the in vivo absorption, which was best depicted by dissolution/permeation experiments across Caco-2 cells. This setup is proposed as best model to predict the in vivo formulation effect. Also, this is the first study to evaluate the impact of the nature of the permeation membrane in dissolution/permeation experiments.
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González-García I, Mangas-Sanjuán V, Merino-Sanjuán M, Bermejo M. In vitro–in vivocorrelations: general concepts, methodologies and regulatory applications. Drug Dev Ind Pharm 2015; 41:1935-47. [DOI: 10.3109/03639045.2015.1054833] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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36
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Keramatnia F, Shayanfar A, Jouyban A. Thermodynamic Solubility Profile of Carbamazepine-Cinnamic Acid Cocrystal at Different pH. J Pharm Sci 2015; 104:2559-65. [PMID: 26096952 DOI: 10.1002/jps.24525] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2014] [Revised: 03/19/2015] [Accepted: 05/11/2015] [Indexed: 01/31/2023]
Abstract
Pharmaceutical cocrystal formation is a direct way to dramatically influence physicochemical properties of drug substances, especially their solubility and dissolution rate. Because of their instability in the solution, thermodynamic solubility of cocrystals could not be determined in the common way like other compounds; therefore, the thermodynamic solubility is calculated through concentration of their components in the eutectic point. The objective of this study is to investigate the effect of an ionizable coformer in cocrystal with a nonionizable drug at different pH. Carbamazepine (CBZ), a nonionizable drug with cinnamic acid (CIN), which is an acidic coformer, was selected to prepare CBZ-CIN cocrystal and its thermodynamic solubility was studied in pH range 2-7. Instead of HPLC that is a costly and time-consuming method, a chemometric-based approach, net analyte signal standard addition method, was selected for simultaneous determination of CBZ and CIN in solution. The result showed that, as pH increases, CIN ionization leads to change in CBZ-CIN cocrystal solubility and stability in solution. In addition, the results of this study indicated that there is no significant difference between intrinsic solubility of CBZ and cocrystal despite the higher ideal solubility of cocrystal. This verifies that ideal solubility is not good parameter to predict cocrystal solubility.
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Affiliation(s)
- Fatemeh Keramatnia
- Liver and Gastrointestinal Diseases Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Shayanfar
- Drug Applied Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abolghasem Jouyban
- Drug Applied Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
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Ahnfelt E, Sjögren E, Axén N, Lennernäs H. A miniaturized in vitro release method for investigating drug-release mechanisms. Int J Pharm 2015; 486:339-49. [PMID: 25843760 DOI: 10.1016/j.ijpharm.2015.03.076] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Revised: 03/30/2015] [Accepted: 03/31/2015] [Indexed: 10/23/2022]
Abstract
We have evaluated a miniaturized in vitro method, based on the μDISS Profiler™ technique that enables on-line monitoring of drug release from a 21 μl sample with 10 ml of release medium. Four model drugs in eight clinically used formulations, including both solid and non-solid drug delivery systems, were investigated. The acquired data were compared with historical in vitro release data from the same formulations. Use of the Weibull function to describe the in vitro drug-release profiles allowed discrimination between the selected formulations with respect to the drug-release mechanisms. Comparison of the release data from the same formulation in different in vitro set-ups showed that the methodology used can affect the mechanism of in vitro release. We also evaluated the ability of the in vitro methods to predict in vivo activity by comparing simulated plasma concentration-time profiles acquired from the application of the biopharmaceutical software GI-Sim to the in vitro observations. In summary, the simulations based on the miniaturized-method release data predicted the plasma profiles as well as or more accurately than simulations based on the historical release data in 71% of the cases and this miniaturized in vitro method appears to be applicable for both solid and non-solid formulations.
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Affiliation(s)
- E Ahnfelt
- Department of Pharmacy, Uppsala University, Box 580, 751 23 Uppsala, Sweden
| | - E Sjögren
- Department of Pharmacy, Uppsala University, Box 580, 751 23 Uppsala, Sweden
| | - N Axén
- Department of Pharmacy, Uppsala University, Box 580, 751 23 Uppsala, Sweden
| | - H Lennernäs
- Department of Pharmacy, Uppsala University, Box 580, 751 23 Uppsala, Sweden.
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Cristofoletti R, Dressman JB. Use of Physiologically Based Pharmacokinetic Models Coupled with Pharmacodynamic Models to Assess the Clinical Relevance of Current Bioequivalence Criteria for Generic Drug Products Containing Ibuprofen. J Pharm Sci 2014; 103:3263-75. [DOI: 10.1002/jps.24076] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Revised: 06/12/2014] [Accepted: 06/12/2014] [Indexed: 12/31/2022]
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Ilić M, Đuriš J, Kovačević I, Ibrić S, Parojčić J. In vitro – in silico – in vivo drug absorption model development based on mechanistic gastrointestinal simulation and artificial neural networks: Nifedipine osmotic release tablets case study. Eur J Pharm Sci 2014; 62:212-8. [DOI: 10.1016/j.ejps.2014.05.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2013] [Revised: 05/20/2014] [Accepted: 05/31/2014] [Indexed: 10/25/2022]
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40
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Batchelor HK, Fotaki N, Klein S. Paediatric oral biopharmaceutics: key considerations and current challenges. Adv Drug Deliv Rev 2014; 73:102-26. [PMID: 24189013 DOI: 10.1016/j.addr.2013.10.006] [Citation(s) in RCA: 87] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2013] [Revised: 09/30/2013] [Accepted: 10/25/2013] [Indexed: 12/23/2022]
Abstract
The complex process of oral drug absorption is influenced by a host of drug and formulation properties as well as their interaction with the gastrointestinal environment in terms of drug solubility, dissolution, permeability and pre-systemic metabolism. For adult dosage forms the use of biopharmaceutical tools to aid in the design and development of medicinal products is well documented. This review considers current literature evidence to guide development of bespoke paediatric biopharmaceutics tools and reviews current understanding surrounding extrapolation of adult methodology into a paediatric population. Clinical testing and the use of in silico models were also reviewed. The results demonstrate that further work is required to adequately characterise the paediatric gastrointestinal tract to ensure that biopharmaceutics tools are appropriate to predict performance within this population. The most vulnerable group was found to be neonates and infants up to 6 months where differences from adults were greatest.
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41
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Sjögren E, Abrahamsson B, Augustijns P, Becker D, Bolger MB, Brewster M, Brouwers J, Flanagan T, Harwood M, Heinen C, Holm R, Juretschke HP, Kubbinga M, Lindahl A, Lukacova V, Münster U, Neuhoff S, Nguyen MA, Peer AV, Reppas C, Hodjegan AR, Tannergren C, Weitschies W, Wilson C, Zane P, Lennernäs H, Langguth P. In vivo methods for drug absorption – Comparative physiologies, model selection, correlations with in vitro methods (IVIVC), and applications for formulation/API/excipient characterization including food effects. Eur J Pharm Sci 2014; 57:99-151. [DOI: 10.1016/j.ejps.2014.02.010] [Citation(s) in RCA: 196] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2013] [Revised: 02/15/2014] [Accepted: 02/17/2014] [Indexed: 01/11/2023]
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42
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Macheras P, Karalis V. A non-binary biopharmaceutical classification of drugs: The ABΓ system. Int J Pharm 2014; 464:85-90. [DOI: 10.1016/j.ijpharm.2014.01.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2013] [Revised: 01/11/2014] [Accepted: 01/16/2014] [Indexed: 01/30/2023]
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43
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Investigation of the Effect of Hydroxypropyl Methylcellulose on the Phase Transformation and Release Profiles of Carbamazepine-Nicotinamide Cocrystal. Pharm Res 2014; 31:2312-25. [DOI: 10.1007/s11095-014-1326-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2013] [Accepted: 01/28/2014] [Indexed: 10/25/2022]
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Tsume Y, Mudie DM, Langguth P, Amidon GE, Amidon GL. The Biopharmaceutics Classification System: subclasses for in vivo predictive dissolution (IPD) methodology and IVIVC. Eur J Pharm Sci 2014; 57:152-63. [PMID: 24486482 DOI: 10.1016/j.ejps.2014.01.009] [Citation(s) in RCA: 196] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2013] [Revised: 01/16/2014] [Accepted: 01/22/2014] [Indexed: 01/03/2023]
Abstract
The Biopharmaceutics Classification System (BCS) has found widespread utility in drug discovery, product development and drug product regulatory sciences. The classification scheme captures the two most significant factors influencing oral drug absorption; solubility and intestinal permeability and it has proven to be a very useful and a widely accepted starting point for drug product development and drug product regulation. The mechanistic base of the BCS approach has, no doubt, contributed to its wide spread acceptance and utility. Nevertheless, underneath the simplicity of BCS are many detailed complexities, both in vitro and in vivo which must be evaluated and investigated for any given drug and drug product. In this manuscript we propose a simple extension of the BCS classes to include sub-specification of acid (a), base (b) and neutral (c) for classes II and IV. Sub-classification for Classes I and III (high solubility drugs as currently defined) is generally not needed except perhaps in border line solubility cases. It is well known that the , pKa physical property of a drug (API) has a significant impact on the aqueous solubility dissolution of drug from the drug product both in vitro and in vivo for BCS Class II and IV acids and bases, and is the basis, we propose for a sub-classification extension of the original BCS classification. This BCS sub-classification is particularly important for in vivo predictive dissolution methodology development due to the complex and variable in vivo environment in the gastrointestinal tract, with its changing pH, buffer capacity, luminal volume, surfactant luminal conditions, permeability profile along the gastrointestinal tract and variable transit and fasted and fed states. We believe this sub-classification is a step toward developing a more science-based mechanistic in vivo predictive dissolution (IPD) methodology. Such a dissolution methodology can be used by development scientists to assess the likelihood of a formulation and dosage form functioning as desired in humans, can be optimized along with parallel human pharmacokinetic studies to set a dissolution methodology for Quality by Design (QbD) and in vitro-in vivo correlations (IVIVC) and ultimately can be used as a basis for a dissolution standard that will ensure continued in vivo product performance.
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Affiliation(s)
- Yasuhiro Tsume
- College of Pharmacy, University of Michigan, Ann Arbor, MI 48109-1065, United States
| | - Deanna M Mudie
- College of Pharmacy, University of Michigan, Ann Arbor, MI 48109-1065, United States
| | - Peter Langguth
- Department of Pharmaceutical Technology and Biopharmaceutics, Johannes Gutenberg University Mainz, Staudinger Weg 5, Mainz D-55099, Germany
| | - Greg E Amidon
- College of Pharmacy, University of Michigan, Ann Arbor, MI 48109-1065, United States
| | - Gordon L Amidon
- College of Pharmacy, University of Michigan, Ann Arbor, MI 48109-1065, United States.
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46
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Djuris J, Ioannis N, Ibric S, Djuric Z, Kachrimanis K. Effect of composition in the development of carbamazepine hot-melt extruded solid dispersions by application of mixture experimental design. J Pharm Pharmacol 2013; 66:232-43. [DOI: 10.1111/jphp.12199] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Accepted: 11/16/2013] [Indexed: 11/28/2022]
Abstract
Abstract
Objectives
This study investigates the application of hot-melt extrusion for the formulation of carbamazepine (CBZ) solid dispersions, using polyethyleneglycol-polyvinyl caprolactam-polyvinyl acetate grafted copolymer (Soluplus, BASF, Germany) and polyoxyethylene–polyoxypropylene block copolymer (Poloxamer 407). In agreement with the current Quality by Design principle, formulations of solid dispersions were prepared according to a D-optimal mixture experimental design, and the influence of formulation composition on the properties of the dispersions (CBZ heat of fusion and release rate) was estimated.
Methods
Prepared solid dispersions were characterized using differential scanning calorimetry, attenuated total reflectance infrared spectroscopy and hot stage microscopy, as well as by determination of the dissolution rate of CBZ from the hot-melt extrudates.
Key findings
Solid dispersions of CBZ can be successfully prepared using the novel copolymer Soluplus. Inclusion of Poloxamer 407 as a plasticizer facilitated the processing and decreased the hardness of hot-melt extrudates. Regardless of their composition, all hot-melt extrudates displayed an improvement in the release rate compared to the pure CBZ, with formulations having the ratio of CBZ : Poloxamer 407 = 1 : 1 showing the highest increase in CBZ release rate.
Conclusions
Interactions between the mixture components (CBZ and polymers), or quadratic effects of the components, play a significant role in overall influence on the CBZ release rate.
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Affiliation(s)
- Jelena Djuris
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Nikolakakis Ioannis
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Svetlana Ibric
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Zorica Djuric
- Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Belgrade, Serbia
| | - Kyriakos Kachrimanis
- Department of Pharmaceutical Technology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Honório TDS, Pinto EC, Rocha HVA, Esteves VSD, dos Santos TC, Castro HCR, Rodrigues CR, de Sousa VP, Cabral LM. In vitro-in vivo correlation of efavirenz tablets using GastroPlus®. AAPS PharmSciTech 2013; 14:1244-54. [PMID: 23943401 DOI: 10.1208/s12249-013-0016-4] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Accepted: 07/29/2013] [Indexed: 11/30/2022] Open
Abstract
The aim of the present work was to use GastroPlus™ software for the prediction of pharmacokinetic profiles and in vitro-in vivo correlation (IVIVC) as tools to optimize the development of new generic medications. GastroPlus™ was used to simulate the gastrointestinal compartment and was based on the advanced compartmental absorption and transit model. Powder dissolution and efavirenz tablet dissolution studies were carried out to generate data from which correlation was established. The simulated plasma profile, based on the physicochemical properties of efavirenz, was almost identical to that observed in vivo for biobatches A and B. A level A IVIVC was established for the dissolution method obtained for the generic candidate using the Wagner-Nelson (r (2) = 0.85) and for Loo-Riegelman models (r(2) = 0.92). The percentage of fraction absorbed indicated that 0.5% sodium lauryl sulfate may be considered a biorelevant dissolution medium for efavirenz tablets. The simulation of gastrointestinal bioavailability and IVIVC obtained from immediate-release tablet formulations suggests that GastroPlus™ is a valuable in silico method for IVIVC and for studies directed at developing formulations of class II drugs.
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Sjögren E, Westergren J, Grant I, Hanisch G, Lindfors L, Lennernäs H, Abrahamsson B, Tannergren C. In silico predictions of gastrointestinal drug absorption in pharmaceutical product development: Application of the mechanistic absorption model GI-Sim. Eur J Pharm Sci 2013; 49:679-98. [DOI: 10.1016/j.ejps.2013.05.019] [Citation(s) in RCA: 122] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2013] [Revised: 04/24/2013] [Accepted: 05/14/2013] [Indexed: 01/28/2023]
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Alqahtani S, Mohamed LA, Kaddoumi A. Experimental models for predicting drug absorption and metabolism. Expert Opin Drug Metab Toxicol 2013; 9:1241-54. [DOI: 10.1517/17425255.2013.802772] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Djuris J, Nikolakakis I, Ibric S, Djuric Z, Kachrimanis K. Preparation of carbamazepine–Soluplus® solid dispersions by hot-melt extrusion, and prediction of drug–polymer miscibility by thermodynamic model fitting. Eur J Pharm Biopharm 2013; 84:228-37. [DOI: 10.1016/j.ejpb.2012.12.018] [Citation(s) in RCA: 141] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Revised: 12/23/2012] [Accepted: 12/26/2012] [Indexed: 11/26/2022]
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