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Kundu S, Higashi K, Takamizawa M, Ueda K, Limwikrant W, Yamamoto K, Moribe K. Controlled Sublimation Rate of Guest Drug from Polymorphic Forms of a Cyclodextrin-Based Polypseudorotaxane Complex and Its Correlation with Molecular Dynamics as Probed by Solid-State NMR. Mol Pharm 2024; 21:1501-1514. [PMID: 38363209 DOI: 10.1021/acs.molpharmaceut.3c01148] [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] [Indexed: 02/17/2024]
Abstract
Encapsulation of active pharmaceutical ingredients (APIs) in confined spaces has been extensively explored as it dramatically alters the molecular dynamics and physical properties of the API. Herein, we explored the effect of encapsulation on the molecular dynamics and physical stability of a guest drug, salicylic acid (SA), confined in the intermolecular spaces of γ-cyclodextrin (γ-CD) and poly(ethylene glycol) (PEG)-based polypseudorotaxane (PPRX) structure. The sublimation tendency of SA encapsulated in three polymorphic forms of the γ-CD/PEG-based PPRX complex, monoclinic columnar (MC), hexagonal columnar (HC), and tetragonal columnar (TC), was investigated. The SA sublimation rate was decreased by 3.0-6.6-fold and varied in the order of MC form > HC form > TC form complex. The 13C and 1H magic-angle spinning (MAS) solid-state nuclear magnetic resonance (NMR) spectra and 13C spin-lattice relaxation time (T1) indicated that the encapsulated SA molecules existed as the monomeric form, and its molecular mobility increased in the order of MC form > HC form > TC form complex. In the complexes, a rapid chemical exchange between two dynamic states of SA (free and bound) was suggested, with varying adsorption/desorption rates accounting for its distinct molecular mobility. This adsorption/desorption process was influenced by proton exchange at the interaction site and interaction strength of SA in the complexes, as evidenced by 1H MAS spectra and temperature dependency of the 13C carbonyl chemical shift. A positive correlation between the molecular mobility of SA and its sublimation rate was established. Moreover, the molecular mobility of γ-CD and PEG in the complexes coincided with that of SA, which can be explained by fast guest-driven dynamics. This is the first report on the stability improvement of an API through complexation in polymorphic supramolecular host structures. The relationship between the molecular dynamics and physical properties of encapsulated API will aid in the rational design of drug delivery systems.
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Affiliation(s)
- Sudeshna Kundu
- Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba 260-8675, Japan
| | - Kenjirou Higashi
- Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba 260-8675, Japan
| | - Makoto Takamizawa
- Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba 260-8675, Japan
| | - Keisuke Ueda
- Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba 260-8675, Japan
| | - Waree Limwikrant
- Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba 260-8675, Japan
- Department of Manufacturing Pharmacy, Faculty of Pharmacy, Mahidol University, 447 Sri Ayudhya Road, Ratchatewi, Bangkok 10400, Thailand
| | - Keiji Yamamoto
- Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba 260-8675, Japan
| | - Kunikazu Moribe
- Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba 260-8675, Japan
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Schneider C, Nishimura H, Lee J, Scott LT, Wakamiya A, Forbes R, Georghiou PE. Mechanochemically-generated solid state complex of C60-fullerene with tetra-(5,7-diphenyl)calix[4]azulene, NMR, XRD and DFT studies. Supramol Chem 2017. [DOI: 10.1080/10610278.2017.1415435] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Celine Schneider
- C-CART/CREAIT Network, Memorial University of Newfoundland, St. John’s, Canada
| | | | - Jaehyun Lee
- Institute for Chemical Research, Kyoto University, Uji, Japan
| | | | | | - Roy Forbes
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Johannesburg, South Africa
| | - Paris E. Georghiou
- Department of Chemistry, Memorial University of Newfoundland, St. John’s, Canada
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Georghiou PE, Schneider C, Shamov G, Lash TD, Rahman S, Sabrina Giddings D. Mechanochemical formation of a 1:1 C60: tert-butylcalix[4]azulene supramolecular complex: solid-state NMR and DFT computational studies. Supramol Chem 2015. [DOI: 10.1080/10610278.2015.1108416] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Paris E. Georghiou
- Department of Chemistry, Memorial University of Newfoundland, Newfoundland and Labrador, Canada
| | - Celine Schneider
- C-CART NMR Laboratory, Memorial University of Newfoundland, Newfoundland, Canada
| | - Grigory Shamov
- Westgrid/ComputeCanada, University of Manitoba, Winnipeg, Canada
| | - Timothy D. Lash
- Department of Chemistry, Illinois State University, Normal, IL, USA
| | - Shofiur Rahman
- Department of Chemistry, Memorial University of Newfoundland, Newfoundland and Labrador, Canada
| | - D. Sabrina Giddings
- Department of Chemistry, Memorial University of Newfoundland, Newfoundland and Labrador, Canada
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Tanabe S, Higashi K, Umino M, Limwikrant W, Yamamoto K, Moribe K. Yellow coloration phenomena of incorporated indomethacin into folded sheet mesoporous materials. Int J Pharm 2012; 429:38-45. [DOI: 10.1016/j.ijpharm.2012.03.011] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2011] [Revised: 02/24/2012] [Accepted: 03/06/2012] [Indexed: 10/28/2022]
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Iohara D, Hirayama F, Higashi K, Yamamoto K, Uekama K. Formation of Stable Hydrophilic C60 Nanoparticles by 2-Hydroxypropyl-β-cyclodextrin. Mol Pharm 2011; 8:1276-84. [DOI: 10.1021/mp200204v] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Daisuke Iohara
- Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Kumamoto 860-0082, Japan
| | - Fumitoshi Hirayama
- Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Kumamoto 860-0082, Japan
| | - Kenjirou Higashi
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8675, Japan
| | - Keiji Yamamoto
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8675, Japan
| | - Kaneto Uekama
- Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Kumamoto 860-0082, Japan
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Highly hydroxylated or γ-cyclodextrin-bicapped water-soluble derivative of fullerene: The antioxidant ability assessed by electron spin resonance method and β-carotene bleaching assay. Bioorg Med Chem Lett 2009; 19:5293-6. [DOI: 10.1016/j.bmcl.2009.07.149] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2009] [Revised: 07/29/2009] [Accepted: 07/30/2009] [Indexed: 11/21/2022]
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Inclusion complexes of γ-cyclodextrin and carboxyl-modified γ-cyclodextrin with C60: synthesis, characterization and controlled release application via microgels. J INCL PHENOM MACRO 2009. [DOI: 10.1007/s10847-009-9539-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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