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Malec K, Mikołajczyk A, Marciniak D, Gawin-Mikołajewicz A, Matera-Witkiewicz A, Karolewicz B, Nawrot U, Khimyak YZ, Nartowski KP. Pluronic F-127 Enhances the Antifungal Activity of Fluconazole against Resistant Candida Strains. ACS Infect Dis 2024; 10:215-231. [PMID: 38109184 PMCID: PMC10795414 DOI: 10.1021/acsinfecdis.3c00536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 11/13/2023] [Accepted: 11/21/2023] [Indexed: 12/19/2023]
Abstract
Candida strains as the most frequent causes of infections, along with their increased drug resistance, pose significant clinical and financial challenges to the healthcare system. Some polymeric excipients were reported to interfere with the multidrug resistance mechanism. Bearing in mind that there are a limited number of marketed products with fluconazole (FLU) for the topical route of administration, Pluronic F-127 (PLX)/FLU formulations were investigated in this work. The aims of this study were to investigate (i) whether PLX-based formulations can increase the susceptibility of resistant Candida strains to FLU, (ii) whether there is a correlation between block polymer concentration and the antifungal efficacy of the FLU-loaded PLX formulations, and (iii) what the potential mode of action of PLX assisting FLU is. The yeast growth inhibition upon incubation with PLX formulations loaded with FLU was statistically significant. The highest efficacy of the azole agent was observed in the presence of 5.0 and 10.0% w/v of PLX. The upregulation of the CDR1/CDR2 genes was detected in the investigated Candida strains, indicating that the efflux of the drug from the fungal cell was the main mechanism of the resistance.
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Affiliation(s)
- Katarzyna Malec
- Department of Drug Form Technology, Faculty of
Pharmacy, Wroclaw Medical University, 211a Borowska Str, 50-556
Wroclaw, Poland
| | - Aleksandra Mikołajczyk
- Screening Biological Activity Assays and Collection of
Biological Material Laboratory, Wroclaw Medical University,
211a Borowska Str, 50-556 Wroclaw, Poland
| | - Dominik Marciniak
- Department of Drug Form Technology, Faculty of
Pharmacy, Wroclaw Medical University, 211a Borowska Str, 50-556
Wroclaw, Poland
| | - Agnieszka Gawin-Mikołajewicz
- Department of Drug Form Technology, Faculty of
Pharmacy, Wroclaw Medical University, 211a Borowska Str, 50-556
Wroclaw, Poland
| | - Agnieszka Matera-Witkiewicz
- Screening Biological Activity Assays and Collection of
Biological Material Laboratory, Wroclaw Medical University,
211a Borowska Str, 50-556 Wroclaw, Poland
| | - Bożena Karolewicz
- Department of Drug Form Technology, Faculty of
Pharmacy, Wroclaw Medical University, 211a Borowska Str, 50-556
Wroclaw, Poland
| | - Urszula Nawrot
- Department of Pharmaceutical Microbiology and
Parasitology, Wroclaw Medical University, 211a Borowska Str,
50-556 Wroclaw, Poland
| | - Yaroslav Z. Khimyak
- Department of Drug Form Technology, Faculty of
Pharmacy, Wroclaw Medical University, 211a Borowska Str, 50-556
Wroclaw, Poland
- School of Pharmacy, University of East
Anglia, Chancellors Drive, NR4 7TJ Norwich, U.K.
| | - Karol P. Nartowski
- Department of Drug Form Technology, Faculty of
Pharmacy, Wroclaw Medical University, 211a Borowska Str, 50-556
Wroclaw, Poland
- School of Pharmacy, University of East
Anglia, Chancellors Drive, NR4 7TJ Norwich, U.K.
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Dyba A, Wiącek E, Nowak M, Janczak J, Nartowski KP, Braun DE. Metronidazole Cocrystal Polymorphs with Gallic and Gentisic Acid Accessed through Slurry, Atomization Techniques, and Thermal Methods. CRYSTAL GROWTH & DESIGN 2023; 23:8241-8260. [PMID: 37937188 PMCID: PMC10626573 DOI: 10.1021/acs.cgd.3c00951] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 09/26/2023] [Indexed: 11/09/2023]
Abstract
In this study, key features of metronidazole (MNZ) cocrystal polymorphs with gallic acid (GAL) and gentisic acid (GNT) were elucidated. Solvent-mediated phase transformation experiments in 30 solvents with varying properties were employed to control the polymorphic behavior of the MNZ cocrystal with GAL. Solvents with relative polarity (RP) values above 0.35 led to cocrystal I°, the thermodynamically stable form. Conversely, solvents with RP values below 0.35 produced cocrystal II, which was found to be only 0.3 kJ mol-1 less stable in enthalpy. The feasibility of electrospraying, including solvent properties and process conditions required, and spray drying techniques to control cocrystal polymorphism was also investigated, and these techniques were found to facilitate exclusive formation of the metastable MNZ-GAL cocrystal II. Additionally, the screening approach resulted in a new, high-temperature polymorph I of the MNZ-GNT cocrystal system, which is enantiotropically related to the already known form II°. The intermolecular energy calculations, as well as the 2D similarity between the MNZ-GAL polymorphs and the 3D similarity between MNZ-GNT polymorphs, rationalized the observed transition behaviors. Furthermore, the evaluation of virtual cocrystal screening techniques identified molecular electrostatic potential calculations as a supportive tool for coformer selection.
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Affiliation(s)
- Aleksandra
J. Dyba
- Institute
of Pharmacy, University of Innsbruck, Innrain 52c, 6020 Innsbruck, Austria
- Department
of Drug Form Technology, Wroclaw Medical
University, Borowska 211A, 50-556 Wroclaw, Poland
| | - Ewa Wiącek
- Department
of Drug Form Technology, Wroclaw Medical
University, Borowska 211A, 50-556 Wroclaw, Poland
| | - Maciej Nowak
- Department
of Drug Form Technology, Wroclaw Medical
University, Borowska 211A, 50-556 Wroclaw, Poland
| | - Jan Janczak
- Institute
of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410, Okolna 2, 50-950 Wroclaw, Poland
| | - Karol P. Nartowski
- Department
of Drug Form Technology, Wroclaw Medical
University, Borowska 211A, 50-556 Wroclaw, Poland
- School
of Pharmacy, University of East Anglia, Norwich Research Park, NR4 7TJ Norwich, U.K.
| | - Doris E. Braun
- Institute
of Pharmacy, University of Innsbruck, Innrain 52c, 6020 Innsbruck, Austria
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Nowak M, Dyba AJ, Gołkowska AM, Nieckarz A, Krajewska K, Malec K, Iuga D, Karolewicz B, Khimyak YZ, Nartowski KP. Probing fluconazole deposition inside mesoporous silica using solid-state NMR spectroscopy: Crystallization of a confined metastable form and phase transformations under storage conditions. Int J Pharm 2023; 645:123403. [PMID: 37716486 DOI: 10.1016/j.ijpharm.2023.123403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 09/08/2023] [Accepted: 09/09/2023] [Indexed: 09/18/2023]
Abstract
Encapsulation of molecules into mesoporous silica carriers continues to attract considerable interest in the area of drug delivery and crystal engineering. Here, MCM-41, SBA-15 and MCF silica matrices were used to encapsulate fluconazole (FLU), a pharmaceutically relevant molecule with known conformational flexibility, using the melting method. The composites have been characterized using 1H, 13C and 19F NMR spectroscopy, nitrogen adsorption, PXRD and thermal analysis (DSC, TGA). Drug loading up to 50 wt% allowed us to probe the crystallization process and to detect different local environments of confined FLU molecules. 19F NMR spectroscopy enabled us to detect the gradual pore filling of silica with FLU and differentiate the amorphous domains and surface species. The use of the complementary structural and thermal techniques enabled us to monitor crystallization of the metastable FLU form II in MCF. Using 1H and 19F NMR spectroscopy we observed pore-size dependent reversible dehydration/hydration behaviour in the MCM and SBA composites. As water content has considerable importance in understanding of physicochemical stability and shelf-life of pharmaceutical formulations, experimental evidence of the effect of API-water-carrier interactions on the API adsorption mechanism on silica surface is highlighted.
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Affiliation(s)
- Maciej Nowak
- Department of Drug Form Technology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland
| | - Aleksandra J Dyba
- Department of Drug Form Technology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland; Institute of Pharmacy, University of Innsbruck, Innrain 52c, 6020 Innsbruck, Austria
| | - Anna M Gołkowska
- Department of Drug Form Technology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland
| | - Aleksandra Nieckarz
- Department of Drug Form Technology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland
| | - Karolina Krajewska
- Department of Drug Form Technology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland
| | - Katarzyna Malec
- Department of Drug Form Technology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland
| | - Dinu Iuga
- Department of Physics, University of Warwick, CV4 7AL Coventry, United Kingdom
| | - Bożena Karolewicz
- Department of Drug Form Technology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland
| | - Yaroslav Z Khimyak
- School of Pharmacy, University of East Anglia, Norwich Research Park, NR4 7TJ Norwich, United Kingdom.
| | - Karol P Nartowski
- Department of Drug Form Technology, Wroclaw Medical University, Borowska 211A, 50-556 Wroclaw, Poland; School of Pharmacy, University of East Anglia, Norwich Research Park, NR4 7TJ Norwich, United Kingdom
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Ao Z, Feng S, Zhao C, Guo S, Li K, Han D, Gong J. Study on polycyclic macromolecular drug solid stability: A case exploration of methylcobalamin. Int J Pharm 2023; 644:123326. [PMID: 37591473 DOI: 10.1016/j.ijpharm.2023.123326] [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: 05/08/2023] [Revised: 07/26/2023] [Accepted: 08/15/2023] [Indexed: 08/19/2023]
Abstract
As one of derivatives of Vitamin B12, methylcobalamin (MeCbl) is an indispensable "Life Element" and plays an essential role in maintaining human normal physiology function and clinical medicine application. Because of the intricate molecular structure, strong hygroscopicity and optical instability, maintaining its solid stability is a great challenge in pharmaceutical preparation. Based on the structure features of MeCbl hydrates, this study explored the drug solid stability by designing solid-solid phase transformation (SSPT) experiments. Three hydrate powders of MeCbl that had special structure with isolated site and channel water molecules were discovered. It was found that drying condition and surrounding humidity were controlling factors influencing the final solid form. The inter-conversion relations relevant to heating-induced and humidity-induced structure changes were established among the three hydrate powders. Powder X-ray diffraction, thermogravimetric analysis, differential scanning calorimetry, high performance liquid chromatography and dynamic vapor sorption were used to characterize the differences and related properties of stably prepared MeCbl hydrate powders. The particle size of product could be regulated and controlled by optimizing operating conditions of crystallization process, where ultrasound-assisted and seeding-introduced were applied as promising strategies to enhance solution crystallization process. This study opens up the possibility for the stable preparation and large-scale production of polycyclic macromolecular bulk drugs like methylcobalamin.
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Affiliation(s)
- Zhaoxia Ao
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, The Co-Innovation Center of Chemistry and Chemical Engineering of Tianjin, Tianjin 300072, PR China
| | - Shanshan Feng
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, The Co-Innovation Center of Chemistry and Chemical Engineering of Tianjin, Tianjin 300072, PR China
| | - Chenyang Zhao
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, The Co-Innovation Center of Chemistry and Chemical Engineering of Tianjin, Tianjin 300072, PR China
| | - Shilin Guo
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, The Co-Innovation Center of Chemistry and Chemical Engineering of Tianjin, Tianjin 300072, PR China
| | - Kangli Li
- Zhejiang Shaoxing Institute of Tianjin University, Shaoxing 312300, PR China.
| | - Dandan Han
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, The Co-Innovation Center of Chemistry and Chemical Engineering of Tianjin, Tianjin 300072, PR China; Zhejiang Shaoxing Institute of Tianjin University, Shaoxing 312300, PR China.
| | - Junbo Gong
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, The Co-Innovation Center of Chemistry and Chemical Engineering of Tianjin, Tianjin 300072, PR China; Zhejiang Shaoxing Institute of Tianjin University, Shaoxing 312300, PR China
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Easmin S, Pedireddi VR. Supramolecular assemblies in the molecular complexes of 4-cyanophenylboronic acid with different N-donor ligands. RSC Adv 2023; 13:23267-23284. [PMID: 37538513 PMCID: PMC10394587 DOI: 10.1039/d3ra03936f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 07/17/2023] [Indexed: 08/05/2023] Open
Abstract
Molecular complexes of 4-cyanophenylboronic acid (CB) with various N-donor compounds having different conformational features, for example, rigid (1,10-phenanthroline (110phen), 4,7-phenanthroline (47phen), 1,7-phenanthroline (17phen) and acridine (acr)) and linear (1,2-bis(4-pyridyl)ethane (bpyea), 1,2-bis(4-pyridyl)ethene (bpyee) and 4,4'-azopyridine (azopy)), have been reported. In all complexes, the -B(OH)2 moiety is found to be in a syn-anti confirmation, with the exception of structures containing 110phen, bpyee, and azopy, wherein, syn-syn conformation is observed. Further, CB molecules remain intact in all structures except in the complexes with some linear N-donor ligands, wherein -B(OH)2 transforms to monoester (-B(OH)(OCH3)) prior to the formation of corresponding molecular complexes. In such boronic monoester complexes, the conformation of -B(OH)(OCH3) is syn-anti with respect to the -OH and -OCH3 groups. Also, complexes mediated by azopy and bpyee exist in both hydrated and anhydrous forms. In these anhydrous structures, the recognition pattern is through homomeric (juxtaposed -CN and -B(OH)2) as well as heteromeric (between hetero N-atom and -B(OH)2) O-H⋯N hydrogen bonds, while only heteromeric O-H⋯N hydrogen bonds hold co-formers in all other structures. Depending upon the conformational features of both co-formers, molecules are packed in crystal lattices in the form of stacked layers, helical chains, and crossed ribbons. All structures are fully characterized by single-crystal X-ray diffraction and phase purity is established by powder X-ray diffraction. Additionally, correlation among structures is explained by calculating a similarity index and performing a Hirshfeld surface analysis to quantify the strength and effectiveness of different types of intermolecular bonds that stabilize these structures along with the presentation of energy frameworks, representing the strength of the interactions in the form gradient cylinders. Also, the morphology of each complex was computed by BFDH methodology to correlate with the actual crystal morphology and packing arrangement.
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Affiliation(s)
- Samina Easmin
- Solid State and Supramolecular Chemistry Laboratory, School of Basic Sciences, Indian Institute of Technology Bhubaneswar Argul Bhubaneswar 752 050 India
| | - Venkateswara Rao Pedireddi
- Solid State and Supramolecular Chemistry Laboratory, School of Basic Sciences, Indian Institute of Technology Bhubaneswar Argul Bhubaneswar 752 050 India
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Jones ECL, Goldsmith KE, Ward MR, Bimbo LM, Oswald IDH. Exploring the thermal behaviour of the solvated structures of nifedipine. ACTA CRYSTALLOGRAPHICA SECTION B, STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS 2023; 79:164-175. [PMID: 36920879 PMCID: PMC10088478 DOI: 10.1107/s2052520623001282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 02/12/2023] [Indexed: 06/18/2023]
Abstract
Understanding the solvation and desolvation of pharmaceutical materials is an important part of materials discovery and development. In situ structural data are vital to understand the changes to crystal form that may occur in the system. In this study, the isolation and characterization of seven solvates of the L-type calcium channel antagonist, nifedipine, is described using variable-temperature powder X-ray diffraction so that the structural evolution as a function of temperature can be followed. The solvates reported herein can be split into those that are structurally similar to the previously reported dimethyl sulfoxide (DMSO) and dioxane solvates and those that have a novel packing arrangement. Of particular note is the solvate with tetrahydrofuran (THF) which has a hydrogen-bonding motif between the nifedipine molecules very similar to that of metastable β-nifedipine. In addition to variable-temperature X-ray diffraction, the stability of the solid forms was assessed using differential scanning calorimetry and thermogravimetric analysis and indicates that in all cases desolvation results in the thermodynamically stable α-polymorph of nifedipine even with the THF solvate. From the diffraction data the pathway of desolvation during heating of the DMF solvate showed conversion to another likely 1:1 polymorph before desolvation to α-nifedipine. The desolvation of this material indicated a two-stage process; first the initial loss of 90% of the solvent before the last 10% is lost on melting. The methanol solvate shows interesting negative thermal expansion on heating, which is rarely reported in organic materials, but this behaviour can be linked back to the winerack-type hydrogen-bonding pattern of the nifedipine molecules.
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Affiliation(s)
- Eleanor C. L. Jones
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, United Kingdom
| | - Kate E. Goldsmith
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, United Kingdom
| | - Martin R. Ward
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, United Kingdom
| | - Luis M. Bimbo
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, United Kingdom
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
- Centre for Neuroscience and Cell Biology and Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Iain D. H. Oswald
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, United Kingdom
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Prashanth J, Sivalakshmi Devi A, Surov AO, Voronin AP, Churakov AV, Perlovich GL, Balasubramanian S. Understanding the thermal stability of apalutamide crystalline solvates through crystal structure analyses and computational studies. CrystEngComm 2022. [DOI: 10.1039/d2ce00216g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The conformational flexibility of APA molecules leads to different crystal packing. The stability of the solvent molecules in the crystal structures was established through their strong intermolecular interactions with the host molecule.
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Affiliation(s)
- Jupally Prashanth
- Centre for X-ray Crystallography, Department of Analytical & Structural Chemistry, CSIR-Indian Institute of Chemical Technology, Tarnaka, Uppal Road, Hyderabad-500007, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Uttar Pradesh-201 002, India
| | - A. Sivalakshmi Devi
- Laurus Labs Ltd., DS-1, IKP Knowledge Park, Turkapally, Shameerpet, Hyderabad-500078, India
| | - Artem O. Surov
- G.A. Krestov Institute of Solution Chemistry RAS, 153045, Ivanovo, Russia
| | | | - Andrei V. Churakov
- Institute of General and Inorganic Chemistry RAS, Leninsky Prosp. 31, 119991, Moscow, Russia
| | | | - Sridhar Balasubramanian
- Centre for X-ray Crystallography, Department of Analytical & Structural Chemistry, CSIR-Indian Institute of Chemical Technology, Tarnaka, Uppal Road, Hyderabad-500007, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Uttar Pradesh-201 002, India
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