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In-silico methods of cocrystal screening: A review on tools for rational design of pharmaceutical cocrystals. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102527] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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2
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McTague H, Rasmuson ÅC. Nucleation of the Theophylline:Salicylic Acid 1:1 Cocrystal. CRYSTAL GROWTH & DESIGN 2021; 21:2711-2719. [PMID: 35140547 PMCID: PMC8816349 DOI: 10.1021/acs.cgd.0c01594] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 03/18/2021] [Indexed: 06/02/2023]
Abstract
The nucleation behavior of the theophylline-salicylic acid 1:1 (THP:SA) cocrystal in chloroform has been investigated and compared with the corresponding behavior of the pure compounds. Induction times have been determined at different supersaturations at 10 °C under each condition in approximately 40-80 repetition experiments in 20 mL vials. Nucleation times, extracted from the median induction times by accounting for a nucleus growth time, have been used to determine the interfacial energy and the pre-exponential factor within the classical nucleation theory. Results show that the cocrystal at equal driving force has a longer nucleation time, or to reach equal nucleation time, the cocrystal requires a higher driving force. Pure theophylline is easier to nucleate than pure salicylic acid, despite the latter having a smaller molecular size, higher solubility, and is expected to form dimers already in the solution. The cocrystal is found to have an interfacial energy in between the respective values for the pure compounds. However, the higher molecular volume of the cocrystal, taken as the volume of the 1:1 theophylline-salicylic acid assembly, leads to the highest nucleation work, which, together with a low pre-exponential factor, explains why the cocrystal is the most difficult to nucleate. The experimentally extracted pre-exponential factor of the cocrystal is very similar to that of THP, and similar trends are observed from theoretical expressions of volume-diffusion- and surface-integration-controlled nucleation, respectively.
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Affiliation(s)
- Hannah McTague
- Synthesis
and Solid State Pharmaceutical Centre (SSPC), Bernal Institute, Department
of Chemical and Environmental Science, University
of Limerick, Limerick V94 T9PX, Ireland
| | - Åke C. Rasmuson
- Synthesis
and Solid State Pharmaceutical Centre (SSPC), Bernal Institute, Department
of Chemical and Environmental Science, University
of Limerick, Limerick V94 T9PX, Ireland
- Department
of Chemical Engineering and Technology, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
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3
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Sun G, Jin Y, Li S, Yang Z, Shi B, Chang C, Abramov YA. Virtual Coformer Screening by Crystal Structure Predictions: Crucial Role of Crystallinity in Pharmaceutical Cocrystallization. J Phys Chem Lett 2020; 11:8832-8838. [PMID: 32969658 DOI: 10.1021/acs.jpclett.0c02371] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
One of the most popular strategies of the optimization of drug properties in the pharmaceutical industry appears to be a solid form changing into a cocrystalline form. A number of virtual screening approaches have been previously developed to allow a selection of the most promising cocrystal formers (coformers) for an experimental follow-up. A significant drawback of those methods is related to the lack of accounting for the crystallinity contribution to cocrystal formation. To address this issue, we propose in this study two virtual coformer screening approaches based on a modern cloud-computing crystal structure prediction (CSP) technology at a dispersion-corrected density functional theory (DFT-D) level. The CSP-based methods were for the first time validated on challenging cases of indomethacin and paracetamol cocrystallization, for which the previously developed approaches provided poor predictions. The calculations demonstrated a dramatic improvement of the virtual coformer screening performance relative to the other methods. It is demonstrated that the crystallinity contribution to the formation of paracetamol and indomethacin cocrystals is a dominant one and, therefore, should not be ignored in the virtual screening calculations. Our results encourage a broad utilization of the proposed CSP-based technology in the pharmaceutical industry as the only virtual coformer screening method that directly accounts for the crystallinity contribution.
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Affiliation(s)
- Guangxu Sun
- XtalPi Inc. (Shenzhen Jingtai Technology Co., Ltd.), Floor 4, No. 9, Hualian Industrial Zone, Dalang Street, Longhua District, Shenzhen 518100, China
| | - Yingdi Jin
- XtalPi Inc. (Shenzhen Jingtai Technology Co., Ltd.), Floor 4, No. 9, Hualian Industrial Zone, Dalang Street, Longhua District, Shenzhen 518100, China
| | - Sizhu Li
- XtalPi Inc. (Shenzhen Jingtai Technology Co., Ltd.), Floor 4, No. 9, Hualian Industrial Zone, Dalang Street, Longhua District, Shenzhen 518100, China
| | - Zhuocen Yang
- XtalPi Inc. (Shenzhen Jingtai Technology Co., Ltd.), Floor 4, No. 9, Hualian Industrial Zone, Dalang Street, Longhua District, Shenzhen 518100, China
| | - Baimei Shi
- XtalPi Inc. (Shenzhen Jingtai Technology Co., Ltd.), Floor 4, No. 9, Hualian Industrial Zone, Dalang Street, Longhua District, Shenzhen 518100, China
| | - Chao Chang
- XtalPi Inc. (Shenzhen Jingtai Technology Co., Ltd.), Floor 4, No. 9, Hualian Industrial Zone, Dalang Street, Longhua District, Shenzhen 518100, China
| | - Yuriy A Abramov
- XtalPi Inc, 245 Main Street, Cambridge, Massachusetts 02142, United States
- Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, United States
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4
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Tsvetkov D, Mazurin M, Ivanov I, Malyshkin D, Sereda V, Zuev A. Crucial Role of Water in the Mechanosynthesis of CsPbI
3
and Other ABX
3
Halides. Chemistry 2020; 26:12549-12552. [DOI: 10.1002/chem.202003067] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/04/2020] [Indexed: 01/28/2023]
Affiliation(s)
- Dmitry Tsvetkov
- Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics Ural Federal University Mira str. 19. 620002 Ekaterinburg Russia
| | - Maksim Mazurin
- Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics Ural Federal University Mira str. 19. 620002 Ekaterinburg Russia
| | - Ivan Ivanov
- Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics Ural Federal University Mira str. 19. 620002 Ekaterinburg Russia
| | - Dmitry Malyshkin
- Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics Ural Federal University Mira str. 19. 620002 Ekaterinburg Russia
| | - Vladimir Sereda
- Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics Ural Federal University Mira str. 19. 620002 Ekaterinburg Russia
| | - Andrey Zuev
- Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics Ural Federal University Mira str. 19. 620002 Ekaterinburg Russia
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5
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Perlovich G, Surov A. Polymorphism of monotropic forms: relationships between thermochemical and structural characteristics. ACTA CRYSTALLOGRAPHICA SECTION B, STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS 2020; 76:65-75. [PMID: 32831242 DOI: 10.1107/s2052520619015671] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 11/19/2019] [Indexed: 06/11/2023]
Abstract
In this work, a database containing thermochemical and structural information about 208 monotropic polymorphic forms has been created and analyzed. Most of the identified compounds (77 cases) have been found to have two polymorphs, 14 compounds have three forms and there are only three examples of systems with four polymorphs. The analysis of density distribution within the database has revealed that only 62 out of 114 metastable polymorphs (referred to as group I) obey the `density rule' proposed by Burger and Ramberger [(1979), Mikrochim. Acta, 72, 259-271], while the remaining 45% of the monotropic systems (group II) violate the rule. A number of physicochemical, structural and molecular descriptors have been used to find and highlight the differences between group I and group II of the polymorphs. Group II is characterized (on average) by higher values of descriptors, which are responsible for conformational flexibility of molecules. An algorithm has been proposed for carrying out bivariate statistical analysis. It implies partitioning the database into structurally related clusters based on Tanimoto similarity coefficients and subsequent analysis of each cluster in terms of the number of hydrogen bonds per molecule.
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Affiliation(s)
- German Perlovich
- Physical Chemistry of Drugs, G. A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, Akademicheskaya, Ivanovo, 153045, Russian Federation
| | - Artem Surov
- Physical Chemistry of Drugs, G. A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, Akademicheskaya, Ivanovo, 153045, Russian Federation
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6
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Ahuja D, Svärd M, Lusi M, Rasmuson ÅC. Solution and calorimetric thermodynamic study of a new 1 : 1 sulfamethazine–3-methylsalicylic acid co-crystal. CrystEngComm 2020. [DOI: 10.1039/d0ce00498g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The formation thermodynamics of a new 1 : 1 sulfamethazine–3-methylsalicylic acid co-crystal reveals spontaneity of formation associated with a positive enthalpy change.
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Affiliation(s)
- Dipali Ahuja
- SSPC
- the SFI Research Centre for Pharmaceuticals
- Bernal Institute
- Department of Chemical Sciences
- University of Limerick
| | - Michael Svärd
- Department of Chemical Engineering
- KTH Royal Institute of Technology
- SE-10044 Stockholm
- Sweden
| | - Matteo Lusi
- SSPC
- the SFI Research Centre for Pharmaceuticals
- Bernal Institute
- Department of Chemical Sciences
- University of Limerick
| | - Åke C. Rasmuson
- SSPC
- the SFI Research Centre for Pharmaceuticals
- Bernal Institute
- Department of Chemical Sciences
- University of Limerick
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7
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Sarkar N, Aakeröy CB. Evaluating hydrogen-bond propensity, hydrogen-bond coordination and hydrogen-bond energy as tools for predicting the outcome of attempted co-crystallisations. Supramol Chem 2019. [DOI: 10.1080/10610278.2019.1693043] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Nandini Sarkar
- Department of Chemistry, Kansas State University, Manhattan, KS, USA
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8
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Dudek MK, Wielgus E, Paluch P, Śniechowska J, Kostrzewa M, Day GM, Bujacz GD, Potrzebowski MJ. Understanding the formation of apremilast cocrystals. ACTA CRYSTALLOGRAPHICA SECTION B, STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS 2019; 75:803-814. [PMID: 32830759 DOI: 10.1107/s205252061900917x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 06/26/2019] [Indexed: 06/11/2023]
Abstract
Apremilast (APR), an anti-psoriatic agent, easily forms isostructural cocrystals and solvates with aromatic entities, often disobeying at the same time Kitaigorodsky's rule as to the saturation of possible hydrogen-bonding sites. In this paper the reasons for this peculiar behavior are investigated, employing a joint experimental and theoretical approach. This includes the design of cocrystals with coformers having a high propensity towards the formation of both aromatic-aromatic and hydrogen-bonding interactions, determination of their structure, using solid-state NMR spectroscopy and X-ray crystallography, as well as calculations of stabilization energies of formation of the obtained cocrystals, followed by crystal structure prediction calculations and solubility measurements. The findings indicate that the stabilization energies of cocrystal formation are positive in all cases, which results from strain in the APR conformation in these crystal forms. On the other hand, solubility measurements show that the Gibbs free energy of formation of the apremilast:picolinamide cocrystal is negative, suggesting that the formation of the studied cocrystals is entropy driven. This entropic stabilization is associated with the disorder observed in almost all known cocrystals and solvates of APR.
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Affiliation(s)
- Marta K Dudek
- Centre of Molecular and Macromolecular Studies PAS, Sienkiewicza 112, Lodz, 90363, Poland
| | - Ewelina Wielgus
- Centre of Molecular and Macromolecular Studies PAS, Sienkiewicza 112, Lodz, 90363, Poland
| | - Piotr Paluch
- Centre of Molecular and Macromolecular Studies PAS, Sienkiewicza 112, Lodz, 90363, Poland
| | - Justyna Śniechowska
- Centre of Molecular and Macromolecular Studies PAS, Sienkiewicza 112, Lodz, 90363, Poland
| | - Maciej Kostrzewa
- Centre of Molecular and Macromolecular Studies PAS, Sienkiewicza 112, Lodz, 90363, Poland
| | - Graeme M Day
- Computational Systems Chemistry, School of Chemistry, University of Southampton, Southampton, SO17 1BJ, UK
| | - Grzegorz D Bujacz
- Institute of Technical Biochemistry, Technical University of Lodz, Stefanowskiego 4/10, Lodz, 90-924, Poland
| | - Marek J Potrzebowski
- Centre of Molecular and Macromolecular Studies PAS, Sienkiewicza 112, Lodz, 90363, Poland
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9
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Sarkar N, Sinha AS, Aakeröy CB. Systematic investigation of hydrogen-bond propensities for informing co-crystal design and assembly. CrystEngComm 2019. [DOI: 10.1039/c9ce01196j] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Structure-informatics methods can provide important guidelines for defining the experimental space that needs to be explored in the efficient pursuit of new co-crystals.
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Affiliation(s)
- Nandini Sarkar
- Department of Chemistry
- Kansas State University
- Manhattan
- USA
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10
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Roca-Paixão L, Correia NT, Affouard F. Affinity prediction computations and mechanosynthesis of carbamazepine based cocrystals. CrystEngComm 2019. [DOI: 10.1039/c9ce01160a] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A combination of the excess enthalpy with the fusion entropy of the pure coformer is suggested to be of interest for coformers screening in order to form a multicomponent system with a given API (cocrystal/co-amorphous).
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Affiliation(s)
- Luisa Roca-Paixão
- Univ. Lille
- CNRS
- INRA
- ENSCL
- UMR 8207 – UMET – Unité Matériaux et Transformations
| | - Natália T. Correia
- Univ. Lille
- CNRS
- INRA
- ENSCL
- UMR 8207 – UMET – Unité Matériaux et Transformations
| | - Frédéric Affouard
- Univ. Lille
- CNRS
- INRA
- ENSCL
- UMR 8207 – UMET – Unité Matériaux et Transformations
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11
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Ahuja D, Svärd M, Rasmuson ÅC. Investigation of solid–liquid phase diagrams of the sulfamethazine–salicylic acid co-crystal. CrystEngComm 2019. [DOI: 10.1039/c9ce00124g] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ternary phase diagrams for sulfamethazine–salicylic acid co-crystal have been constructed in three solvent systems.
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Affiliation(s)
- Dipali Ahuja
- Synthesis and Solid State Pharmaceutical Centre
- Bernal Institute
- Department of Chemical Sciences
- University of Limerick
- Ireland
| | - Michael Svärd
- Synthesis and Solid State Pharmaceutical Centre
- Bernal Institute
- Department of Chemical Sciences
- University of Limerick
- Ireland
| | - Åke C. Rasmuson
- Synthesis and Solid State Pharmaceutical Centre
- Bernal Institute
- Department of Chemical Sciences
- University of Limerick
- Ireland
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