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Uspenskaya EV, Kuzmina E, Quynh HTN, Komkova MA, Kazimova IV, Timofeev AA. Influence of Mechanical Loading on the Process of Tribochemical Action on Physicochemical and Biopharmaceutical Properties of Substances, Using Lacosamide as an Example: From Micronisation to Mechanical Activation. Pharmaceutics 2024; 16:798. [PMID: 38931919 PMCID: PMC11207894 DOI: 10.3390/pharmaceutics16060798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 06/05/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
Many physical and chemical properties of solids, such as strength, plasticity, dispersibility, solubility and dissolution are determined by defects in the crystal structure. The aim of this work is to study in situ dynamic, dispersion, chemical, biological and surface properties of lacosamide powder after a complete cycle of mechanical loading by laser scattering, electron microscopy, FR-IR and biopharmaceutical approaches. The SLS method demonstrated the spontaneous tendency toward surface-energy reduction due to aggregation during micronisation. DLS analysis showed conformational changes of colloidal particles as supramolecular complexes depending on the loading time on the solid. SEM analysis demonstrated the conglomeration of needle-like lacosamide particles after 60 min of milling time and the transition to a glassy state with isotropy of properties by the end of the tribochemistry cycle. The following dynamic properties of lacosamide were established: elastic and plastic deformation boundaries, region of inhomogeneous deformation and fracture point. The ratio of dissolution-rate constants in water of samples before and after a full cycle of loading was 2.4. The lacosamide sample, which underwent a full cycle of mechanical loading, showed improved kinetics of API release via analysis of dissolution profiles in 0.1 M HCl medium. The observed activation-energy values of the cell-death biosensor process in aqueous solutions of the lacosamide samples before and after the complete tribochemical cycle were 207 kJmol-1 and 145 kJmol-1, respectively. The equilibrium time of dissolution and activation of cell-biosensor death corresponding to 20 min of mechanical loading on a solid was determined. The current study may have important practical significance for the transformation and management of the properties of drug substances in solid form and in solutions and for increasing the strength of drug matrices by pre-strain hardening via structural rearrangements during mechanical loading.
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Affiliation(s)
- Elena V. Uspenskaya
- Department of Pharmaceutical and Toxicological Chemistry, Medical Institute, Peoples’ Friendship University of Russia Named after Patrice Lumumba (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia; (E.K.); (H.T.N.Q.); (M.A.K.); (I.V.K.)
| | - Ekaterina Kuzmina
- Department of Pharmaceutical and Toxicological Chemistry, Medical Institute, Peoples’ Friendship University of Russia Named after Patrice Lumumba (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia; (E.K.); (H.T.N.Q.); (M.A.K.); (I.V.K.)
| | - Hoang Thi Ngoc Quynh
- Department of Pharmaceutical and Toxicological Chemistry, Medical Institute, Peoples’ Friendship University of Russia Named after Patrice Lumumba (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia; (E.K.); (H.T.N.Q.); (M.A.K.); (I.V.K.)
| | - Maria A. Komkova
- Department of Pharmaceutical and Toxicological Chemistry, Medical Institute, Peoples’ Friendship University of Russia Named after Patrice Lumumba (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia; (E.K.); (H.T.N.Q.); (M.A.K.); (I.V.K.)
| | - Ilaha V. Kazimova
- Department of Pharmaceutical and Toxicological Chemistry, Medical Institute, Peoples’ Friendship University of Russia Named after Patrice Lumumba (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia; (E.K.); (H.T.N.Q.); (M.A.K.); (I.V.K.)
| | - Aleksey A. Timofeev
- Scientific and Educational Resource Centre “Innovative Technologies of Immunophenotyping, Digital Spatial Profiling and Ultrastructural Analysis”, Peoples’ Friendship University of Russia Named after Patrice Lumumba (RUDN University), 6 Miklukho-Maklaya Street, Moscow 117198, Russia;
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2
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Wang Y, Chin CY, Shivashekaregowda NKH, Shi Q. Implications of Low-concentration Polymer on the Physical Stability of Glassy Griseofulvin: Role of the Segmental Mobility. AAPS PharmSciTech 2024; 25:103. [PMID: 38714634 DOI: 10.1208/s12249-024-02809-7] [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: 01/30/2024] [Accepted: 04/17/2024] [Indexed: 05/10/2024] Open
Abstract
Crystallization of amorphous pharmaceutical solids are widely reported to be affected by the addition of polymer, while the underlying mechanism require deep study. Herein, crystal growth behaviors of glassy griseofulvin (GSF) doped with various 1% w/w polymer were systematically studied. From the molecular structure, GSF cannot form the hydrogen bonding interactions with the selected polymer poly(vinyl acetate), polyvinyl pyrrolidone (PVP), 60:40 vinyl pyrrolidone-vinyl acetate copolymer (PVP/VA 64), and poly(ethylene oxide) (PEO). 1% w/w polymer exhibited weak or no detectable effects on the glass transition temperature (Tg) of GSF. However, crystal growth rates of GSF was altered from 4.27-fold increase to 2.57-fold decrease at 8 ℃ below Tg of GSF. Interestingly, the ability to accelerate and inhibit the growth rates of GSF crystals correlated well with Tg of polymer, indicating the controlling role of segmental mobility of polymer. Moreover, ring-banded growth of GSF was observed in the polymer-doped systems. Normal compact bulk and ring-banded crystals of GSF were both characterized as the thermodynamically stable form I. More importantly, formation of ring-banded crystals of GSF can significantly weaken the inhibitory effects of polymer on the crystallization of glassy GSF.
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Affiliation(s)
- Yanan Wang
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng, 224005, China
- Digital Health and Medical Advancement Impact Lab, Taylor's University, Subang Jaya, Selangor, 47500, Malaysia
| | - Chai-Yee Chin
- School of Pharmacy, Faculty of Health and Medical Science, Taylor's University, Subang Jaya, 47500, Malaysia
| | - Naveen Kumar Hawala Shivashekaregowda
- School of Pharmacy, Faculty of Health and Medical Science, Taylor's University, Subang Jaya, 47500, Malaysia.
- Digital Health and Medical Advancement Impact Lab, Taylor's University, Subang Jaya, Selangor, 47500, Malaysia.
| | - Qin Shi
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng, 224005, China.
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Sánchez-Aguinagalde O, Sanchez-Rexach E, Polo Y, Larrañaga A, Lejardi A, Meaurio E, Sarasua JR. Physicochemical Characterization and In Vitro Activity of Poly(ε-Caprolactone)/Mycophenolic Acid Amorphous Solid Dispersions. Polymers (Basel) 2024; 16:1088. [PMID: 38675007 PMCID: PMC11054924 DOI: 10.3390/polym16081088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 03/27/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024] Open
Abstract
The obtention of amorphous solid dispersions (ASDs) of mycophenolic acid (MPA) in poly(ε-caprolactone) (PCL) is reported in this paper. An improvement in the bioavailability of the drug is possible thanks to the favorable specific interactions occurring in this system. Differential scanning calorimetry (DSC) was used to investigate the miscibility of PCL/MPA blends, measuring glass transition temperature (Tg) and analyzing melting point depression to obtain a negative interaction parameter, which indicates the development of favorable inter-association interactions. Fourier transform infrared spectroscopy (FTIR) was used to analyze the specific interaction occurring in the blends. Drug release measurements showed that at least 70% of the drug was released by the third day in vitro in all compositions. Finally, preliminary in vitro cell culture experiments showed a decreased number of cancerous cells over the scaffolds containing MPA, presumably arising from the anti-cancer activity attributable to MPA.
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Affiliation(s)
- Oroitz Sánchez-Aguinagalde
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, Bilbao School of Engineering, University of the Basque Country (UPV/EHU), Plaza Ingeniero Torres Quevedo 1, 48013 Bilbao, Spain; (O.S.-A.); (E.S.-R.); (A.L.); (E.M.); (J.-R.S.)
| | - Eva Sanchez-Rexach
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, Bilbao School of Engineering, University of the Basque Country (UPV/EHU), Plaza Ingeniero Torres Quevedo 1, 48013 Bilbao, Spain; (O.S.-A.); (E.S.-R.); (A.L.); (E.M.); (J.-R.S.)
| | - Yurena Polo
- Polimerbio SL, Paseo Miramon 170, 20014 Donostia-San Sebastian, Spain;
| | - Aitor Larrañaga
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, Bilbao School of Engineering, University of the Basque Country (UPV/EHU), Plaza Ingeniero Torres Quevedo 1, 48013 Bilbao, Spain; (O.S.-A.); (E.S.-R.); (A.L.); (E.M.); (J.-R.S.)
| | - Ainhoa Lejardi
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, Bilbao School of Engineering, University of the Basque Country (UPV/EHU), Plaza Ingeniero Torres Quevedo 1, 48013 Bilbao, Spain; (O.S.-A.); (E.S.-R.); (A.L.); (E.M.); (J.-R.S.)
| | - Emilio Meaurio
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, Bilbao School of Engineering, University of the Basque Country (UPV/EHU), Plaza Ingeniero Torres Quevedo 1, 48013 Bilbao, Spain; (O.S.-A.); (E.S.-R.); (A.L.); (E.M.); (J.-R.S.)
| | - Jose-Ramon Sarasua
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, Bilbao School of Engineering, University of the Basque Country (UPV/EHU), Plaza Ingeniero Torres Quevedo 1, 48013 Bilbao, Spain; (O.S.-A.); (E.S.-R.); (A.L.); (E.M.); (J.-R.S.)
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4
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Shen J, Hu A, Yang Y, Nie T, Huang S, Cheng Z, Liu W. Ternary solid dispersions of lacidipine: Enhancing dissolution and supersaturation maintenance through strategic formulation optimization. Int J Pharm 2024; 654:123989. [PMID: 38467205 DOI: 10.1016/j.ijpharm.2024.123989] [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: 10/23/2023] [Revised: 02/08/2024] [Accepted: 03/09/2024] [Indexed: 03/13/2024]
Abstract
The study aimed to address the challenges related to insufficient dissolution and maintenance of supersaturation in binary solid dispersions. Lacidipine, categorized as a BCS class II drug, was employed as the model drug. A systematic screening of excipients was conducted to determine the most effective carriers for the formulations of the ternary solid dispersions, utilizing the solvent transfer method and equilibrium solubility measurements. Both binary and ternary solid dispersions were prepared via spray drying, and comprehensive physicochemical characterization confirmed the successful preparation of amorphous solid dispersions. In vitro dissolution tests, the ternary solid dispersion exhibited marked superiority over the binary solid dispersion in dissolution and maintenance of supersaturation. Furthermore, an exploration into the factors influencing the stability of ternary solid dispersions revealed their robust resistance under light-protected, room-temperature, and desiccated conditions. The formation of intermolecular hydrogen bonding within the molecules of the ternary solid dispersions significantly enhanced drug solubility and system stability. Strategic formulation optimization, coupled with judicious selection of suitable carrier types and ratios, may serve as a promising approach for designing supersaturated drug delivery systems.
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Affiliation(s)
- Jian Shen
- Xiangya School of Pharmaceutical Sciences, Central South University, Tongzipo road172, Changsha 410013, China
| | - Anna Hu
- Xiangya School of Pharmaceutical Sciences, Central South University, Tongzipo road172, Changsha 410013, China
| | - Yuxin Yang
- Xiangya School of Pharmaceutical Sciences, Central South University, Tongzipo road172, Changsha 410013, China
| | - Ting Nie
- Xiangya School of Pharmaceutical Sciences, Central South University, Tongzipo road172, Changsha 410013, China
| | - Siqi Huang
- Xiangya School of Pharmaceutical Sciences, Central South University, Tongzipo road172, Changsha 410013, China
| | - Zeneng Cheng
- Xiangya School of Pharmaceutical Sciences, Central South University, Tongzipo road172, Changsha 410013, China
| | - Wenjie Liu
- Xiangya School of Pharmaceutical Sciences, Central South University, Tongzipo road172, Changsha 410013, China.
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5
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Kapoor DU, Singh S, Sharma P, Prajapati BG. Amorphization of Low Soluble Drug with Amino Acids to Improve Its Therapeutic Efficacy: a State-of-Art-Review. AAPS PharmSciTech 2023; 24:253. [PMID: 38062314 DOI: 10.1208/s12249-023-02709-2] [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: 05/20/2023] [Accepted: 11/19/2023] [Indexed: 12/18/2023] Open
Abstract
Low aqueous solubility of drug candidates is an ongoing challenge and pharmaceutical manufacturers pay close attention to amorphization (AMORP) technology to improve the solubility of drugs that dissolve poorly. Amorphous drug typically exhibits much higher apparent solubility than their crystalline form due to high energy state that enable them to produce a supersaturated state in the gastrointestinal tract and thereby improve bioavailability. The stability and augmented solubility in co-amorphous (COA) formulations is influenced by molecular interactions. COA are excellent carriers-based drug delivery systems for biopharmaceutical classification system (BCS) class II and class IV drugs. The three important critical quality attributes, such as co-formability, physical stability, and dissolution performance, are necessary to illustrate the COA systems. New amorphous-stabilized carriers-based fabrication techniques that improve drug loading and degree of AMORP have been the focus of emerging AMORP technology. Numerous low-molecular-weight compounds, particularly amino acids such as glutamic acid, arginine, isoleucine, leucine, valine, alanine, glycine, etc., have been employed as potential co-formers. The review focus on the prevailing drug AMORP strategies used in pharmaceutical research, including in situ AMORP, COA systems, and mesoporous particle-based methods. Moreover, brief characterization techniques and the application of the different amino acids in stabilization and solubility improvements have been related.
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Affiliation(s)
| | - Sudarshan Singh
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, 50200, Thailand.
- Office of Research Administration, Faculty of Pharmacy, Chiang Mai University, 50200, Chiang Mai, Thailand.
| | - Pratishtha Sharma
- School of Pharmacy, Raffles University, Neemrana, Rajasthan, 301020, India
| | - Bhupendra G Prajapati
- Shree S. K. Patel College of Pharmaceutical Education and Research, Ganpat University, Kherva, 384012, India.
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Miyazaki T, Mizoguchi R, Ueda K, Shinozaki T, Kamoto M, Takeda Y, Sakuma S, Ito N, Momo M, Kawakami K. Crystallization of Amorphous Nifedipine Under Isothermal Conditions: Inter-laboratory Reproducibility and Investigation of the Factors Affecting Reproducibility. J Pharm Sci 2023; 112:2703-2716. [PMID: 37301322 DOI: 10.1016/j.xphs.2023.06.002] [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: 05/15/2023] [Revised: 06/01/2023] [Accepted: 06/02/2023] [Indexed: 06/12/2023]
Abstract
High inter-laboratory reproducibility is required for conducting collaborative experiments among several laboratories. The primary aim of our evaluation of the physical stability of amorphous drugs, conducted in co-operation with eight laboratories, was to establish a protocol for isothermal storage tests to obtain data of the same quality from all the participating laboratories. Sharing a protocol that contained the same level of detail as the experimental section of general papers was insufficient for high inter-laboratory reproducibility. We investigated the causes of variations in the data from the various laboratories and restricted the protocol step-by-step to achieve high inter-laboratory reproducibility. The various experimentalists had very different levels of awareness regarding how to control the temperature of a sample as the samples were transferred into and out of thermostatic chambers. Specific instructions on how to conduct this operation, such as regarding the time required for the transfer and thermal protection of the container during the transfer, helped to reduce variation. Improved inter-laboratory reproducibility revealed that the physical stabilities of amorphous drugs differed when samples were prepared in differently shaped aluminum pans designed for various differential scanning calorimeters.
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Affiliation(s)
- Tamaki Miyazaki
- Division of Drugs, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa 210-9501, Japan.
| | - Ryo Mizoguchi
- CMC Research, Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba, Ibaraki 305-8585, Japan
| | - Keisuke Ueda
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba 260-8675, Japan
| | - Taeko Shinozaki
- Research Group V, Analytical & Quality Evaluation Research Laboratories, Daiichi Sankyo Co., Ltd., 1-12-1 Shinomiya, Hiratsuka, Kanagawa 254-0014, Japan
| | - Mie Kamoto
- Analytical Research Laboratories, Pharmaceutical Science & Technology Function Unit, Eisai Co., Ltd., 5-1-3 Tokodai, Tsukuba, Ibaraki 300-2635, Japan
| | - Yoshihiro Takeda
- Core Technology Research Department, X-ray Research Laboratory, Rigaku Corp., 3-9-12 Matsubara-cho, Akishima, Tokyo 196-8666, Japan
| | - Satoshi Sakuma
- Shionogi & Co., Ltd., 2-1-3 Kuise Terajima, Amagasaki, Hyogo 660-0813, Japan
| | - Naoya Ito
- Analytical Research & Development Laboratories, Sumitomo Pharma Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka, 554-0022, Japan
| | - Michiko Momo
- Takeda Pharmaceutical Co., Ltd., 2-26-1 Muraokahigashi, Fujisawa, Kanagawa 251-8555, Japan
| | - Kohsaku Kawakami
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
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Markeev VB, Blynskaya EV, Tishkov SV, Alekseev KV, Marakhova AI, Vetcher AA, Shishonin AY. Composites of N-butyl-N-methyl-1-phenylpyrrolo[1,2-a]pyrazine-3-carboxamide with Polymers: Effect of Crystallinity on Solubility and Stability. Int J Mol Sci 2023; 24:12215. [PMID: 37569589 PMCID: PMC10418436 DOI: 10.3390/ijms241512215] [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: 06/01/2023] [Revised: 07/19/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023] Open
Abstract
This work aimed to develop and characterize a water-soluble, high-release active pharmaceutical ingredient (API) composite based on the practically water-insoluble API N-butyl-N-methyl-1-phenylpyrrolo[1,2-a]pyrazine-3-carboxamide (GML-3), a substance with antidepressant and anxiolytic action. This allows to ensure the bioavailability of the medicinal product of combined action. Composites obtained by the method of creating amorphous solid dispersions, where polyvinylpyrrolidone (PVP) or Soluplus® was used as a polymer, were studied for crystallinity, stability and the release of API from the composite into purified water. The resulting differential scanning calorimetry (DSC), powder X-ray diffractometry (PXRD), and dissolution test data indicate that the resulting composites are amorphous at 1:15 API: polymer ratios for PVP and 1:5 for Soluplus®, which ensures the solubility of GML-3 in purified water and maintaining the supercritical state in solution.
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Affiliation(s)
- Vladimir B. Markeev
- V.V. Zakusov Research Institute of Pharmacology, 8 Baltiyskaya St., 125315 Moscow, Russia; (E.V.B.); (S.V.T.); (K.V.A.)
| | - Evgenia V. Blynskaya
- V.V. Zakusov Research Institute of Pharmacology, 8 Baltiyskaya St., 125315 Moscow, Russia; (E.V.B.); (S.V.T.); (K.V.A.)
- Institute of Biochemical Technology and Nanotechnology, Peoples’ Friendship University of Russia n.a. P. Lumumba (RUDN), 6 Miklukho-Maklaya St., 117198 Moscow, Russia;
| | - Sergey V. Tishkov
- V.V. Zakusov Research Institute of Pharmacology, 8 Baltiyskaya St., 125315 Moscow, Russia; (E.V.B.); (S.V.T.); (K.V.A.)
| | - Konstantin V. Alekseev
- V.V. Zakusov Research Institute of Pharmacology, 8 Baltiyskaya St., 125315 Moscow, Russia; (E.V.B.); (S.V.T.); (K.V.A.)
| | - Anna I. Marakhova
- Institute of Biochemical Technology and Nanotechnology, Peoples’ Friendship University of Russia n.a. P. Lumumba (RUDN), 6 Miklukho-Maklaya St., 117198 Moscow, Russia;
| | - Alexandre A. Vetcher
- Institute of Biochemical Technology and Nanotechnology, Peoples’ Friendship University of Russia n.a. P. Lumumba (RUDN), 6 Miklukho-Maklaya St., 117198 Moscow, Russia;
- Complementary and Integrative Health Clinic of Dr. Shishonin, 5, Yasnogorskaya St., 117588 Moscow, Russia;
| | - Alexander Y. Shishonin
- Complementary and Integrative Health Clinic of Dr. Shishonin, 5, Yasnogorskaya St., 117588 Moscow, Russia;
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Zhang J, Guo M, Luo M, Cai T. Advances in the development of amorphous solid dispersions: The role of polymeric carriers. Asian J Pharm Sci 2023; 18:100834. [PMID: 37635801 PMCID: PMC10450425 DOI: 10.1016/j.ajps.2023.100834] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 06/26/2023] [Accepted: 07/23/2023] [Indexed: 08/27/2023] Open
Abstract
Amorphous solid dispersion (ASD) is one of the most effective approaches for delivering poorly soluble drugs. In ASDs, polymeric materials serve as the carriers in which the drugs are dispersed at the molecular level. To prepare the solid dispersions, there are many polymers with various physicochemical and thermochemical characteristics available for use in ASD formulations. Polymer selection is of great importance because it influences the stability, solubility and dissolution rates, manufacturing process, and bioavailability of the ASD. This review article provides a comprehensive overview of ASDs from the perspectives of physicochemical characteristics of polymers, formulation designs and preparation methods. Furthermore, considerations of safety and regulatory requirements along with the studies recommended for characterizing and evaluating polymeric carriers are briefly discussed.
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Affiliation(s)
- Jie Zhang
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- College of Biological and Chemical Engineering, Changsha University, Changsha 410022, China
| | - Minshan Guo
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Minqian Luo
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Ting Cai
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, China
- Department of Pharmaceutical Engineering, School of Engineering, China Pharmaceutical University, Nanjing 211198, China
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9
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Wang Y, Li F, Xin J, Xu J, Yu G, Shi Q. Mesoporous Drug Delivery System: From Physical Properties of Drug in Solid State to Controlled Release. Molecules 2023; 28:molecules28083406. [PMID: 37110638 PMCID: PMC10145233 DOI: 10.3390/molecules28083406] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 04/06/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
Mesoporous materials, which exhibit great potential in the control of polymorphs and delivery of poorly water-soluble drugs, have obtained considerable attention in the field of pharmaceutical science. The physical properties and release behaviors of amorphous or crystalline drugs may be affected by formulating them into mesoporous drug delivery systems. In the past few decades, an increasing amount of papers have been written about mesoporous drug delivery systems, which play a crucial role in improving the properties of drugs. Herein, mesoporous drug delivery systems are comprehensively reviewed in terms of their physicochemical characteristics, control of polymorphic forms, physical stability, in vitro performance, and in vivo performance. Moreover, the challenges and strategies of developing robust mesoporous drug delivery systems are also discussed.
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Affiliation(s)
- Yanan Wang
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
- School of Pharmacy, Faculty of Health and Medical Science, Taylor's University, Subang Jaya 47500, Malaysia
| | - Fang Li
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
| | - Junbo Xin
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
| | - Jia Xu
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
| | - Guanghua Yu
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
| | - Qin Shi
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
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Shi Q, Wang Y, Kong J. Crystallization of Amorphous Nimesulide: The Relationship between Crystal Growth Kinetics and Liquid Dynamics. Molecules 2023; 28:molecules28072919. [PMID: 37049679 PMCID: PMC10095769 DOI: 10.3390/molecules28072919] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/19/2023] [Accepted: 03/21/2023] [Indexed: 04/14/2023] Open
Abstract
Understanding crystallization and its correlations with liquid dynamics is relevant for developing robust amorphous pharmaceutical solids. Herein, nimesulide, a classical anti-inflammatory agent, was used as a model system for studying the correlations between crystallization kinetics and molecular dynamics. Kinetic parts of crystal growth (ukin) of nimesulide exhibited a power law dependence upon the liquid viscosity (η) as ukin~η-0.61. Bulk molecular diffusivities (DBulk) of nimesulide were predicted by a force-level statistical-mechanical model from the α-relaxation times, which revealed the relationship as ukin~Dbulk0.65. Bulk crystal growth kinetics of nimesulide in deeply supercooled liquid exhibited a fragility-dependent decoupling from τα. The correlations between growth kinetics and α-relaxation times predicted by the Adam-Gibbs-Vogel equation in a glassy state were also explored, for both the freshly made and fully equilibrated glass. These findings are relevant for the in-depth understanding and prediction of the physical stability of amorphous pharmaceutical solids.
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Affiliation(s)
- Qin Shi
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
| | - Yanan Wang
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
- School of Pharmacy, Faculty of Health and Medical Science, Taylor's University, Subang Jaya 47500, Selangor, Malaysia
| | - Jianfei Kong
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
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11
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Shi Q, Wang Y, Moinuddin SM, Feng X, Ahsan F. Co-amorphous Drug Delivery Systems: a Review of Physical Stability, In Vitro and In Vivo Performance. AAPS PharmSciTech 2022; 23:259. [PMID: 36123515 DOI: 10.1208/s12249-022-02421-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 09/09/2022] [Indexed: 11/30/2022] Open
Abstract
Over the past few decades, co-amorphous solids have been used as a promising approach for delivering poorly water-soluble drugs. Co-amorphous solids, comprising pharmacologically relevant drug substances or excipients, improve physical stability, solubility, dissolution, and bioavailability compared with single amorphous ingredients. In this review, we have summarized recent advances in physical stability and in vitro and in vivo performances of co-amorphous solids. We have highlighted the role of molar ratio, molecular interaction, and mobility that affects the physical stability of co-amorphous solids. This review delves deep as to how co-amorphous solids affect the physicochemical properties in vitro and in vivo. We also described the challenges to the formulation of co-amorphous solids. A better understanding of the mechanisms of the physical stability, in vitro and in vivo performance of co-amorphous solids, and proper selection of the co-former is likely to expedite the development of robust co-amorphous-based pharmaceutical formulations and can address the challenges associated with the delivery of poorly soluble drugs.
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Affiliation(s)
- Qin Shi
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng, 224005, China.
| | - Yanan Wang
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng, 224005, China
| | - Sakib M Moinuddin
- College of Pharmacy, California Northstate University, 9700 West Taron Drive, Elk Grove, California, 95757, USA.,East Bay Institute For Research & Education (EBIRE), 10535 Hospital Way, Mather, California, 95655, USA
| | - Xiaodong Feng
- College of Pharmacy, California Northstate University, 9700 West Taron Drive, Elk Grove, California, 95757, USA
| | - Fakhrul Ahsan
- College of Pharmacy, California Northstate University, 9700 West Taron Drive, Elk Grove, California, 95757, USA. .,East Bay Institute For Research & Education (EBIRE), 10535 Hospital Way, Mather, California, 95655, USA.
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12
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Yamaguchi K, Mizoguchi R, Kawakami K, Miyazaki T. Influence of the crystallization tendencies of pharmaceutical glasses on the applicability of the Adam-Gibbs-Vogel and Vogel-Tammann-Fulcher equations in the prediction of their long-term physical stability. Int J Pharm 2022; 626:122158. [PMID: 36058407 DOI: 10.1016/j.ijpharm.2022.122158] [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: 05/08/2022] [Revised: 07/27/2022] [Accepted: 08/28/2022] [Indexed: 11/25/2022]
Abstract
Amorphization is a powerful approach for improving the aqueous solubility and bioavailability of poorly water-soluble compounds. However, it can cause chemical and physical instability, the latter of which can lead to crystallization during storage, diminishing the solubility advantage of the amorphous state. As there is no standard method for predicting the physical stability of amorphous materials, a long-term stability study is needed in drug development. This study investigated the correlation between the physical stability of amorphous compounds and molecular mobility based on the assumption that physical stability is governed by the diffusional motion of a molecule. Model compounds were evaluated for crystallization onset time, structural relaxation time, fragility, and fictive temperature. The crystallization onset time of acetaminophen glass correlated with its relaxation time calculated from the Adam-Gibbs-Vogel equation; however, that of felodipine glass correlated with the relaxation time calculated from the Vogel-Tammann-Fulcher equation. The different crystallization tendencies of these compounds can be explained by the differences in the rate limiting steps in their crystallization processes, indicating the importance of distinguishing the critical process associated with crystallization. These findings will be useful for more accurate prediction of long-term physical stability of amorphous materials.
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Affiliation(s)
- Katsutoshi Yamaguchi
- Pharmaceutical Science & Technology Labs., Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba, Ibaraki 305-8585, Japan.
| | - Ryo Mizoguchi
- Pharmaceutical Science & Technology Labs., Astellas Pharma Inc., 21 Miyukigaoka, Tsukuba, Ibaraki 305-8585, Japan
| | - Kohsaku Kawakami
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan
| | - Tamaki Miyazaki
- Division of Drugs, National Institute of Health Sciences, 3-25-26 Tonomachi, Kawasaki-ku, Kawasaki, Kanagawa 210-9501, Japan
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13
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Shi Q, Chen H, Wang Y, Wang R, Xu J, Zhang C. Amorphous Solid Dispersions: Role of the Polymer and Its Importance in Physical Stability and In Vitro Performance. Pharmaceutics 2022; 14:pharmaceutics14081747. [PMID: 36015373 PMCID: PMC9413000 DOI: 10.3390/pharmaceutics14081747] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/15/2022] [Accepted: 08/18/2022] [Indexed: 01/25/2023] Open
Abstract
Amorphous solid dispersions stabilized by one or more polymer(s) have been widely used for delivering amorphous drugs with poor water solubilities, and they have gained great market success. Polymer selection is important for preparing robust amorphous solid dispersions, and considerations should be given as to how the critical attributes of a polymer can enhance the physical stability, and the in vitro and in vivo performances of a drug. This article provides a comprehensive overview for recent developments in the understanding the role of polymers in amorphous solid dispersions from the aspects of nucleation, crystal growth, overall crystallization, miscibility, phase separation, dissolution, and supersaturation. The critical properties of polymers affecting the physical stability and the in vitro performance of amorphous solid dispersions are also highlighted. Moreover, a perspective regarding the current research gaps and novel research directions for better understanding the role of the polymer is provided. This review will provide guidance for the rational design of polymer-based amorphous pharmaceutical solids with desired physicochemical properties from the perspective of physical stability and in vitro performance.
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Affiliation(s)
- Qin Shi
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
- Correspondence: (Q.S.); (C.Z.)
| | - Haibiao Chen
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Yanan Wang
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
| | - Ruoxun Wang
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
| | - Jia Xu
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
| | - Chen Zhang
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China
- Correspondence: (Q.S.); (C.Z.)
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14
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Shi Q, Moinuddin SM, Wang Y, Ahsan F, Li F. Physical stability and dissolution behaviors of amorphous pharmaceutical solids: Role of surface and interface effects. Int J Pharm 2022; 625:122098. [PMID: 35961416 DOI: 10.1016/j.ijpharm.2022.122098] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/28/2022] [Accepted: 08/05/2022] [Indexed: 11/24/2022]
Abstract
Amorphous pharmaceutical solids (APS) are single- or multi-component systems in which drugs exist in high-energy states with long-range disordered molecular packing. APSs have become one of the most effective and widely used pharmaceutical delivery approaches for poorly water-soluble drugs in the last several decades. Considerable efforts have been made to investigate the physical stability and dissolution behaviors of APSs, however, the underlying mechanisms remain imperfectly understood. Recent studies reveal that surface and interface properties of APSs could strongly affect the physical stability and dissolution behaviors. This paper provides a comprehensive overview of recent studies focusing on the physical stability and dissolution behaviors of APSs from both surface and interface perspectives. We highlight the role of surface or interface properties in nucleation, crystal growth, phase separation, dissolution, and supersaturation. Meanwhile, the challenges and scope of research on surface and interface properties in the future are also briefly discussed. This review contributes to a better understanding of the surface- and interface-facilitated processes, which will provide more efficient and rational guidance for the design of APSs.
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Affiliation(s)
- Qin Shi
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China.
| | - Sakib M Moinuddin
- California Northstate University, College of Pharmacy, 9700 West Taron Drive, Elk Grove, CA 95757, USA; East Bay Institute For Research & Education (EBIRE), 10535 Hospital Way, Bldg. 650 2nd Floor, Rm. 2B121A, Mather, CA 95655, USA
| | - Yanan Wang
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
| | - Fakhrul Ahsan
- California Northstate University, College of Pharmacy, 9700 West Taron Drive, Elk Grove, CA 95757, USA; East Bay Institute For Research & Education (EBIRE), 10535 Hospital Way, Bldg. 650 2nd Floor, Rm. 2B121A, Mather, CA 95655, USA.
| | - Fang Li
- School of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China.
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15
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Zhao Q, Gao Y, Jin X, Han F, Chen K, Chen C. Influence of Acidic Environment on Hydrolytic Stability of MDP-Ca Salts with Nanolayered and Amorphous Structures. Int J Nanomedicine 2022; 17:1695-1709. [PMID: 35444417 PMCID: PMC9014115 DOI: 10.2147/ijn.s357823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 04/05/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose This study aimed to investigate the hydrolytic stability of 10-methacryloyloxydecyl dihydrogen phosphate calcium (MDP-Ca) salts with nanolayered and amorphous structures in different pH environments. Methods The MDP-Ca salts were synthesized from MDP and calcium chloride and characterized by X-ray diffraction (XRD), nuclear magnetic resonance (NMR), and transmission electron microscopy (TEM). Inductively coupled plasma-mass spectrometry (ICP-MS) was used to quantify the release of calcium from the synthesized MDP-Ca salt, MDP-treated hydroxyapatite (MDP-HAp), and untreated HAp after soaking in acidic and neutral solutions for 1, 7, and 30 days. To study the hydrolytic process, we carried out molecular dynamics (MD) simulations of the nanolayered MCS-MD (monocalcium salt of the MDP dimer) and DCS-MD (dicalcium salt of the MDP dimer) structures, as well as of the amorphous-phase MCS-MM (monocalcium salt of the MDP monomer). Results The TEM images showed that the nanolayered structures were partially degraded by acid attack. Based on the ICP-MS results, the hydrolysis rate of the MDP-Ca salt in acidic and neutral environments followed the order HAp > MDP-HAp > MDP-Ca salt. The MD simulations showed that, in acidic environments, clusters of MDP remained aggregated and all Ca2+ ions separated from the MDP monomer to interact with water molecules in aqueous solution. In neutral environments, Ca2+ ions always interacted with phosphate groups, OH− ions, and water molecules to form clusters centered on Ca2+ ions. Conclusion MDP-Ca presented higher hydrolysis rates in acidic than neutral environments. Nanolayered MCS-MD possessed the highest resistance to acidic hydrolysis, followed by amorphous MCS-MM and DCS-MD.
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Affiliation(s)
- Qing Zhao
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People’s Republic of China
| | - Yixue Gao
- Department of Prosthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People’s Republic of China
| | - Xin Jin
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People’s Republic of China
| | - Fei Han
- Department of Prosthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People’s Republic of China
| | - Kai Chen
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing, 210044, People’s Republic of China
| | - Chen Chen
- Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People’s Republic of China
- Correspondence: Chen Chen, Department of Endodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, 210029, People’s Republic of China, Tel +8625 6959 3031, Fax +8625 8651 6414, Email
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16
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Holder J, Schmid R, Nielaba P. Two-step nucleation in confined geometry: Phase diagram of finite particles on a lattice gas model. J Chem Phys 2022; 156:124504. [DOI: 10.1063/5.0073043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
We use a degenerated Ising model to describe nucleation and crystallization from solution in a confined two-component system. The free energy is calculated using metadynamics simulation with coordination numbers as the reaction coordinates. We deploy nudged elastic band simulation to determine the minimum energy path and give properties of the crystallization path. In this confined system, depletion effects, which could also be caused by slow material transport in the solution, prevent the post-critical cluster from further growth, and the crystalline state would only be stable at larger cluster sizes. Fluctuation of the higher coupling strength of the crystalline state enables further growth until the crystalline cluster is in equilibrium with the solvent, and this way, a second barrier is crossed. From the parameters and setup, we find necessary conditions for the occurrence of two-step nucleation in our system. These findings can be adapted to real systems as biomineralization, colloidal crystallization, and the solidification of metals.
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Affiliation(s)
- Jacob Holder
- Department of Physics, University of Konstanz, 78464 Konstanz, Germany
| | - Ralf Schmid
- Department of Physics, University of Konstanz, 78464 Konstanz, Germany
| | - Peter Nielaba
- Department of Physics, University of Konstanz, 78464 Konstanz, Germany
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17
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Wu B, Feng J, Zeng T, Guo Q, Zhang Z, Ding C, Tian B, Sai S. Flurbiprofen loaded thermosensitive nanohydrogel for ophthalmic anti-inflammatory therapy. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103253] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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18
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Li B, Wang Y, Feng Y, Yuan D, Xu R, Jiang C, Xiao X, Lu S. Design and molecular insights of drug-active metabolite based co-amorphous formulation: A case study of toltrazuril-ponazuril co-amorphous. Int J Pharm 2022; 615:121475. [PMID: 35041914 DOI: 10.1016/j.ijpharm.2022.121475] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/21/2021] [Accepted: 01/11/2022] [Indexed: 12/15/2022]
Abstract
Co-amorphous supersaturated drug delivery systems are emerging as an alternative strategy to improve the water solubility of BCS II drugs. Typically, the supersaturation and stability of co-amorphous systems largely depend on the type of employed co-former. This study aims to assess the potential for active metabolites of drugs as co-former in drug-drug co-amorphous formulations. Toltrazuril (Tol) was chosen as the model drug, to which ponazuril (Pon) was added as co-former. Considering the importance of intermolecular interactions in co-amorphous systems, we performed highlighted investigations including molecular dynamics simulation and quantum mechanics calculations. The results indicated that Tol and Pon molecules were connected by N-H···O = C hydrogen bonds in the form of a complementary pairing of amide groups. Further, the solubility/dissolution and solid-state stability of the co-amorphous system were investigated. We found that co-amorphous Tol-Pon was stable for at least one month at 40 °C/75% RH, while amorphous materials underwent recrystallization within 10 days. Moreover, both drugs in the co-amorphous system exhibited enhanced "spring parachute effect" during the dissolution process. This could be attributed to the noticeably increased solid-state stabilization as well as inhibition of Pon on the crystallization of Tol from a supersaturated state. In general, our study provides some useful information and molecular insights to guide the development of drug-active metabolite-based co-amorphous formulations.
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Affiliation(s)
- Bin Li
- School of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Yingyun Wang
- School of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Ying Feng
- School of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Dan Yuan
- School of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Renjie Xu
- School of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Cuiping Jiang
- Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics, School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China.
| | - Xuecheng Xiao
- School of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China.
| | - Shan Lu
- School of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China.
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19
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Recent advances in drug polymorphs: Aspects of pharmaceutical properties and selective crystallization. Int J Pharm 2022; 611:121320. [PMID: 34843866 DOI: 10.1016/j.ijpharm.2021.121320] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 11/02/2021] [Accepted: 11/23/2021] [Indexed: 12/27/2022]
Abstract
Drug polymorphism, an established term used to describe the phenomenon that a drug can exist in different crystalline phases, has attracted great interests in pharmaceutical field in consideration of its important role in affecting the pharmaceutical performance of oral formulations. This paper presents an overview of recent advances in the research on polymorphic drug systems including understandings on nucleation, crystal growth, dissolution, mechanical properties, polymorphic transformation, etc. Moreover, new strategies and mechanisms in the control of polymorphic forms are also highlighted in this review. Furthermore, challenges and trends in the development of polymorphic drugs are briefly discussed, aiming at developing effective and efficient pharmaceutical formulations containing the polymorphic drugs.
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20
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Shi Q, Li F, Yeh S, Moinuddin SM, Xin J, Xu J, Chen H, Ling B. Recent Advances in Enhancement of Dissolution and Supersaturation of Poorly Water-Soluble Drug in Amorphous Pharmaceutical Solids: A Review. AAPS PharmSciTech 2021; 23:16. [PMID: 34893936 DOI: 10.1208/s12249-021-02137-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 09/07/2021] [Indexed: 12/19/2022] Open
Abstract
Amorphization is one of the most effective pharmaceutical approaches to enhance the dissolution and oral bioavailability of poorly water-soluble drugs. In recent years, amorphous formulations have been experiencing rapid development both in theoretical and practical application. Based on using different types of stabilizing agents, amorphous formulations can be mainly classified as polymer-based amorphous solid dispersion, coamorphous formulation, mesoporous silica-based amorphous formulation, etc. This paper summarizes recent advances in the dissolution and supersaturation of these amorphous formulations. Moreover, we also highlight the roles of stabilizing agents such as polymers, low molecular weight co-formers, and mesoporous silica. Maintaining supersaturation in solution is a key factor for the enhancement of dissolution profile and oral bioavailability, and thus, the strategies and challenges for maintaining supersaturation are also discussed. With an in-depth understanding of the inherent mechanisms of dissolution behaviors, the design of amorphous pharmaceutical formulations will become more scientific and reasonable, leading to vigorous development of commercial amorphous drug products.
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21
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Jiang X, Zhao Y, Guan Q, Xiao S, Dong W, Lian S, Zhang H, Liu M, Wang Z, Han J. Amorphous solid dispersions of cyclosporine A with improved bioavailability prepared via hot melt extrusion: Formulation, physicochemical characterization, and in vivo evaluation. Eur J Pharm Sci 2021; 168:106036. [PMID: 34637896 DOI: 10.1016/j.ejps.2021.106036] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/08/2021] [Accepted: 09/02/2021] [Indexed: 02/05/2023]
Abstract
In this study, the amorphous solid dispersions of cyclosporine A (CsA-ASDs) were prepared by hot melt extrusion (HME) with PVP K12 as carrier to improve the oral bioavailability of CsA. The polymers were screened by solubilization and recrystallization inhibition experiments, then the CsA-ASDs were prepared with optimized technological parameters and characterized on thermodynamics and morphology. The results showed that CsA was dispersed among PVP K12 as amorphous form in CsA-ASDs, and the infrared spectrum testified that there was possible hydrogen bond interaction between CsA and PVP K12. The in vivo pharmacokinetics of CsA formulations in rats were analyzed via LC-MS. The AUC of CsA-ASD tablets increased by 7.3 times compared to CsA bulk powder and 3.1 times in contrast to CsA-PM tablets, respectively. The experiment proved that CsA-ASD tablets significantly improved the dissolution and absorption of the drug. This study had a reference value for the bioavailability improvement of oral CsA preparations.
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Affiliation(s)
- Xinxin Jiang
- Institute of Biopharmaceutical Research, Liaocheng University, Hunan Road, Liaocheng, Shandong 252059, People's Republic of China
| | - Yanna Zhao
- Institute of Biopharmaceutical Research, Liaocheng University, Hunan Road, Liaocheng, Shandong 252059, People's Republic of China.
| | - Qingran Guan
- Institute of Biopharmaceutical Research, Liaocheng University, Hunan Road, Liaocheng, Shandong 252059, People's Republic of China
| | - Shanshan Xiao
- Institute of Biopharmaceutical Research, Liaocheng University, Hunan Road, Liaocheng, Shandong 252059, People's Republic of China
| | - Weimiao Dong
- Institute of Biopharmaceutical Research, Liaocheng University, Hunan Road, Liaocheng, Shandong 252059, People's Republic of China
| | - Shipeng Lian
- Shandong Weifang Rainbow Chemical Co., Ltd, Weifang, Shandong 261100, People's Republic of China
| | - Huaizhen Zhang
- School of Environment and Planning, Liaocheng University, Hunan Road, Liaocheng, Shandong 252059, People's Republic of China
| | - Min Liu
- Institute of Biopharmaceutical Research, Liaocheng University, Hunan Road, Liaocheng, Shandong 252059, People's Republic of China; School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, People's Republic of China
| | - Zhengping Wang
- Institute of Biopharmaceutical Research, Liaocheng University, Hunan Road, Liaocheng, Shandong 252059, People's Republic of China; Liaocheng High-Tech Biotechnology Co. Ltd, Liaocheng, Shandong 252059, People's Republic of China
| | - Jun Han
- Institute of Biopharmaceutical Research, Liaocheng University, Hunan Road, Liaocheng, Shandong 252059, People's Republic of China; Liaocheng High-Tech Biotechnology Co. Ltd, Liaocheng, Shandong 252059, People's Republic of China.
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22
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Shi Q, Li F, Xu J, Wu L, Xin J, Chen H, Ling B. Bubble-induced fast crystal growth of indomethacin polymorphs in a supercooled liquid. J Appl Crystallogr 2021. [DOI: 10.1107/s1600576721007068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Physical stability is one of the main challenges when developing robust amorphous pharmaceutical formulations. This article reports fast crystal growth behaviors of the γ and α forms of indomethacin (IMC) initiated by bubbles in the interior of a supercooled liquid. Bubble-induced crystal growth of γ-IMC exhibits approximately the same kinetics as its surface crystal growth, supporting the view that bubble-induced crystal growth is a surface-facilitated process. In contrast, the rates of bubble-induced crystal growth of α-IMC are much faster than those of its surface crystal growth. These results indicate that the bubble-induced crystal growth not only depends on the interface created by the bubble but also strongly correlates with the true cavitation of the bubble. Moreover, bubble-induced fast crystal growth of γ- and α-IMC can be terminated at different temperatures by cooling. These outcomes are meaningful for the in-depth understanding of physical stability and pre-formulation study of amorphous pharmaceutical solids showing surface-facilitated crystal growth.
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23
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Walden DM, Bundey Y, Jagarapu A, Antontsev V, Chakravarty K, Varshney J. Molecular Simulation and Statistical Learning Methods toward Predicting Drug-Polymer Amorphous Solid Dispersion Miscibility, Stability, and Formulation Design. Molecules 2021; 26:E182. [PMID: 33401494 PMCID: PMC7794704 DOI: 10.3390/molecules26010182] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 12/28/2020] [Accepted: 12/29/2020] [Indexed: 12/20/2022] Open
Abstract
Amorphous solid dispersions (ASDs) have emerged as widespread formulations for drug delivery of poorly soluble active pharmaceutical ingredients (APIs). Predicting the API solubility with various carriers in the API-carrier mixture and the principal API-carrier non-bonding interactions are critical factors for rational drug development and formulation decisions. Experimental determination of these interactions, solubility, and dissolution mechanisms is time-consuming, costly, and reliant on trial and error. To that end, molecular modeling has been applied to simulate ASD properties and mechanisms. Quantum mechanical methods elucidate the strength of API-carrier non-bonding interactions, while molecular dynamics simulations model and predict ASD physical stability, solubility, and dissolution mechanisms. Statistical learning models have been recently applied to the prediction of a variety of drug formulation properties and show immense potential for continued application in the understanding and prediction of ASD solubility. Continued theoretical progress and computational applications will accelerate lead compound development before clinical trials. This article reviews in silico research for the rational formulation design of low-solubility drugs. Pertinent theoretical groundwork is presented, modeling applications and limitations are discussed, and the prospective clinical benefits of accelerated ASD formulation are envisioned.
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Affiliation(s)
| | | | | | | | | | - Jyotika Varshney
- VeriSIM Life Inc., 1 Sansome St, Suite 3500, San Francisco, CA 94104, USA; (D.M.W.); (Y.B.); (A.J.); (V.A.); (K.C.)
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