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Owens TC, Anton N, Attia MF. CT and X-ray contrast agents: Current clinical challenges and the future of contrast. Acta Biomater 2023; 171:19-36. [PMID: 37739244 DOI: 10.1016/j.actbio.2023.09.027] [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: 07/29/2023] [Revised: 09/05/2023] [Accepted: 09/17/2023] [Indexed: 09/24/2023]
Abstract
Computed tomography (CT) is a powerful and widely used imaging technique in modern medicine. However, it often requires the use of contrast agents to visualize structures with similar radiographic density. Unfortunately, current clinical contrast agents (CAs) for CT have remained largely unchanged for decades and come with several significant drawbacks, including serious nephrotoxicity and short circulation half-lives. The next generation of CT radiocontrast agents should strive to be long-circulating, non-toxic, and non-immunogenic. Nanoparticle contrast agents have shown promise in recent years and are likely to comprise the majority of next-generation CT contrast agents. This review highlights the fundamental mechanism and background of X-ray and contrast agents. It also focuses on the challenges associated with current clinical contrast agents and provides a brief overview of potential future agents that are based on various materials such as lipids, polymers, dendrimers, metallic, and non-metallic inorganic nanoparticles (NPs). STATEMENT OF SIGNIFICANCE: We realized a need for clarification on a number of concerns related to the use of iodinated contrast material as debates regarding the safety of these agents with patients with kidney disease, shellfish allergies, and thyroid dysfunction remain ongoing in medical practice. This review was partially inspired by debates witnessed in medical practice regarding outdated misconceptions of contrast material that warrant clarification in translational and clinical arenas. Given that conversation around currently available agents is at somewhat of a high water mark, and nanoparticle research has now reached an unprecedented number of readers, we find that this review is timely and unique in the context of recent discussions in the field.
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Affiliation(s)
- Tyler C Owens
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA.
| | - Nicolas Anton
- Université de Strasbourg, INSERM, Regenerative Nanomedicine UMR 1260, Centre de Recherche en Biomédecine de Strasbourg (CRBS), F-67000 Strasbourg, France
| | - Mohamed F Attia
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599, USA.
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2
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Attia MF, Akasov R, Elbaz NM, Owens TC, Curtis EC, Panda S, Santos-Oliveira R, Alexis F, Kievit FM, Whitehead DC. Radiopaque Iodosilane-Coated Lipid Hybrid Nanoparticle Contrast Agent for Dual-Modality Ultrasound and X-ray Bioimaging. ACS APPLIED MATERIALS & INTERFACES 2022; 14:54389-54400. [PMID: 36449986 DOI: 10.1021/acsami.2c09104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Here, we report the synthesis of robust hybrid iodinated silica-lipid nanoemulsions (HSLNEs) for use as a contrast agent for ultrasound and X-ray applications. We engineered iodinated silica nanoparticles (SNPs), lipid nanoemulsions, and a series of HSLNEs by a low-energy spontaneous nanoemulsification process. The formation of a silica shell requires sonication to hydrolyze and polymerize/condensate the iodomethyltrimethoxysilane at the oil/water interface of the nanoemulsion droplets. The resulting nanoemulsions (NEs) exhibited a homogeneous spherical morphology under transmission electron microscopy. The particles had diameters ranging from 20 to 120 nm with both negative and positive surface charges in the absence and presence of cetyltrimethylammonium bromide (CTAB), respectively. Unlike CTAB-coated nanoformulations, the CTAB-free NEs showed excellent biocompatibility in murine RAW macrophages and human U87-MG cell lines in vitro. The maximum tolerated dose assessment was evaluated to verify their safety profiles in vivo. In vitro X-ray and ultrasound imaging and in vivo computed tomography were used to monitor both iodinated SNPs and HSLNEs, validating their significant contrast-enhancing properties and suggesting their potential as dual-modality clinical agents in the future.
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Affiliation(s)
- Mohamed F Attia
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina27599, United States
| | - Roman Akasov
- Federal Scientific Research Centre "Crystallography and Photonics" of RAS, 59 Leninsky Avenue, Moscow119333, Russia
- I.M. Sechenov First Moscow State Medical University, Trubetskaya Street 8-2, Moscow119991, Russia
| | - Nancy M Elbaz
- Joint Department of Biomedical Engineering, University of North Carolina and North Carolina State University, Chapel Hill, North Carolina27599, United States
| | - Tyler C Owens
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina27599, United States
| | - Evan C Curtis
- Department of Biological Systems Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska68583-0900, United States
| | - Soham Panda
- Department of Chemistry, Clemson University, Clemson, South Carolina29634, United States
| | - Ralph Santos-Oliveira
- Brazilian Nuclear Energy Commission, Nuclear Engineering Institute, Argonauta Nuclear Reactor Center, Rio de Janeiro21941906, Brazil
- Laboratory of Radiopharmacy and Nanoradiopharmaceuticals, Zona Oeste State University, Rio de Janeiro23070-200, Brazil
| | - Frank Alexis
- Departamento de Ingeniería Química, Colegio de Ciencias e Ingenierías, Universidad San Francisco de Quito USFQ, Quito170901, Ecuador
| | - Forrest M Kievit
- Department of Biological Systems Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska68583-0900, United States
| | - Daniel C Whitehead
- Department of Chemistry, Clemson University, Clemson, South Carolina29634, United States
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Knier NN, Pellizzari S, Zhou J, Foster PJ, Parsyan A. Preclinical Models of Brain Metastases in Breast Cancer. Biomedicines 2022; 10:biomedicines10030667. [PMID: 35327469 PMCID: PMC8945440 DOI: 10.3390/biomedicines10030667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 03/08/2022] [Accepted: 03/08/2022] [Indexed: 02/05/2023] Open
Abstract
Breast cancer remains a leading cause of mortality among women worldwide. Brain metastases confer extremely poor prognosis due to a lack of understanding of their specific biology, unique physiologic and anatomic features of the brain, and limited treatment strategies. A major roadblock in advancing the treatment of breast cancer brain metastases (BCBM) is the scarcity of representative experimental preclinical models. Current models are predominantly based on the use of animal xenograft models with immortalized breast cancer cell lines that poorly capture the disease’s heterogeneity. Recent years have witnessed the development of patient-derived in vitro and in vivo breast cancer culturing systems that more closely recapitulate the biology from individual patients. These advances led to the development of modern patient-tissue-based experimental models for BCBM. The success of preclinical models is also based on the imaging technologies used to detect metastases. Advances in animal brain imaging, including cellular MRI and multimodality imaging, allow sensitive and specific detection of brain metastases and monitoring treatment responses. These imaging technologies, together with novel translational breast cancer models based on patient-derived cancer tissues, represent a unique opportunity to advance our understanding of brain metastases biology and develop novel treatment approaches. This review discusses the state-of-the-art knowledge in preclinical models of this disease.
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Affiliation(s)
- Natasha N. Knier
- Department of Medical Biophysics, Western University, London, ON N6A 5C1, Canada; (N.N.K.); (P.J.F.)
- Imaging Laboratories, Robarts Research Institute, London, ON N6A 5B7, Canada
| | - Sierra Pellizzari
- Department of Anatomy and Cell Biology, Western University, London, ON N6A 3K7, Canada;
| | - Jiangbing Zhou
- Department of Neurosurgery, Yale University, New Haven, CT 06510, USA;
| | - Paula J. Foster
- Department of Medical Biophysics, Western University, London, ON N6A 5C1, Canada; (N.N.K.); (P.J.F.)
- Imaging Laboratories, Robarts Research Institute, London, ON N6A 5B7, Canada
| | - Armen Parsyan
- Department of Anatomy and Cell Biology, Western University, London, ON N6A 3K7, Canada;
- London Regional Cancer Program, London Health Science Centre, London, ON N6A 5W9, Canada
- Department of Oncology, Western University, London, ON N6A 4L6, Canada
- Department of Surgery, Western University, London, ON N6A 3K7, Canada
- Correspondence: ; Tel.: +1-519-646-4831; Fax: +1-519-646-6327
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4
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Zhang J, Liu W, Zhang P, Song Y, Ye Z, Fu H, Yang S, Qin Q, Guo Z, Zhang J. Polymers for Improved Delivery of Iodinated Contrast Agents. ACS Biomater Sci Eng 2021; 8:32-53. [PMID: 34851607 DOI: 10.1021/acsbiomaterials.1c01082] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
X-ray computed tomography (CT), as one of the most widely used noninvasive imaging modalities, can provide three-dimensional anatomic details with high resolution, which plays a key role in disease diagnosis and treatment assessment. However, although they are the most prevalent and FDA-approved contrast agents, iodinated water-soluble molecules still face some challenges in clinical applications, such as fast clearance, serious adverse effects, nonspecific distribution, and low sensitivity. Because of their high biocompatibility, tunable designability, controllable biodegradation, facile synthesis, and modification capability, the polymers have demonstrated great potential for efficient delivery of iodinated contrast agents (ICAs). Herein, we comprehensively summarized the applications of multifunctional polymeric materials for ICA delivery in terms of increasing circulation time, decreasing nephrotoxicity, and improving the specificity and sensitivity of ICAs for CT imaging. We mainly focused on various iodinated polymers from the aspects of preparation, functionalization, and application in medical diagnosis. Future perspectives for achieving better imaging and clinical translation are also discussed to motivate new technologies and solutions.
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Affiliation(s)
- Jing Zhang
- Department of Cardiology, Tianjin Chest Hospital, Tianjin University, Tianjin 300222, China
| | - Weiming Liu
- Department of Cardiology, Tianjin Chest Hospital, Tianjin University, Tianjin 300222, China.,Department of Polymer Science and Engineering, Key Laboratory of Systems Bioengineering of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Peng Zhang
- Department of Cardiology, Tianjin Chest Hospital, Tianjin University, Tianjin 300222, China
| | - Yanqiu Song
- Department of Cardiology, Tianjin Chest Hospital, Tianjin University, Tianjin 300222, China
| | - Zhanpeng Ye
- Department of Polymer Science and Engineering, Key Laboratory of Systems Bioengineering of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Han Fu
- Graduate School of Tianjin Medical University, Tianjin 300070, China
| | - Shicheng Yang
- Department of Cardiology, Tianjin Chest Hospital, Tianjin University, Tianjin 300222, China
| | - Qin Qin
- Department of Cardiology, Tianjin Chest Hospital, Tianjin University, Tianjin 300222, China
| | - Zhigang Guo
- Department of Cardiology, Tianjin Chest Hospital, Tianjin University, Tianjin 300222, China
| | - Jianhua Zhang
- Department of Polymer Science and Engineering, Key Laboratory of Systems Bioengineering of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China.,Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin 300350, China
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5
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Zhang P, Ma X, Guo R, Ye Z, Fu H, Fu N, Guo Z, Zhang J, Zhang J. Organic Nanoplatforms for Iodinated Contrast Media in CT Imaging. Molecules 2021; 26:7063. [PMID: 34885645 PMCID: PMC8658861 DOI: 10.3390/molecules26237063] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 10/04/2021] [Accepted: 10/06/2021] [Indexed: 12/29/2022] Open
Abstract
X-ray computed tomography (CT) imaging can produce three-dimensional and high-resolution anatomical images without invasion, which is extremely useful for disease diagnosis in the clinic. However, its applications are still severely limited by the intrinsic drawbacks of contrast media (mainly iodinated water-soluble molecules), such as rapid clearance, serious toxicity, inefficient targetability and poor sensitivity. Due to their high biocompatibility, flexibility in preparation and modification and simplicity for drug loading, organic nanoparticles (NPs), including liposomes, nanoemulsions, micelles, polymersomes, dendrimers, polymer conjugates and polymeric particles, have demonstrated tremendous potential for use in the efficient delivery of iodinated contrast media (ICMs). Herein, we comprehensively summarized the strategies and applications of organic NPs, especially polymer-based NPs, for the delivery of ICMs in CT imaging. We mainly focused on the use of polymeric nanoplatforms to prolong circulation time, reduce toxicity and enhance the targetability of ICMs. The emergence of some new technologies, such as theragnostic NPs and multimodal imaging and their clinical translations, are also discussed.
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Affiliation(s)
- Peng Zhang
- Department of Cardiology, Tianjin Chest Hospital, Tianjin University, Tianjin 300222, China; (P.Z.); (X.M.); (N.F.); (Z.G.)
| | - Xinyu Ma
- Department of Cardiology, Tianjin Chest Hospital, Tianjin University, Tianjin 300222, China; (P.Z.); (X.M.); (N.F.); (Z.G.)
- Key Laboratory of Systems Bioengineering of the Ministry of Education, Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China; (R.G.); (Z.Y.)
| | - Ruiwei Guo
- Key Laboratory of Systems Bioengineering of the Ministry of Education, Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China; (R.G.); (Z.Y.)
| | - Zhanpeng Ye
- Key Laboratory of Systems Bioengineering of the Ministry of Education, Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China; (R.G.); (Z.Y.)
| | - Han Fu
- Graduate School, Tianjin Medical University, Tianjin 300070, China;
| | - Naikuan Fu
- Department of Cardiology, Tianjin Chest Hospital, Tianjin University, Tianjin 300222, China; (P.Z.); (X.M.); (N.F.); (Z.G.)
| | - Zhigang Guo
- Department of Cardiology, Tianjin Chest Hospital, Tianjin University, Tianjin 300222, China; (P.Z.); (X.M.); (N.F.); (Z.G.)
| | - Jianhua Zhang
- Key Laboratory of Systems Bioengineering of the Ministry of Education, Department of Polymer Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China; (R.G.); (Z.Y.)
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University, Tianjin 300350, China
| | - Jing Zhang
- Department of Cardiology, Tianjin Chest Hospital, Tianjin University, Tianjin 300222, China; (P.Z.); (X.M.); (N.F.); (Z.G.)
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6
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Badea CT. Principles of Micro X-ray Computed Tomography. Mol Imaging 2021. [DOI: 10.1016/b978-0-12-816386-3.00006-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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7
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Gao Y, Kang J, Lei Z, Li Y, Mei X, Wang G. Use of the Highly Biocompatible Au Nanocages@PEG Nanoparticles as a New Contrast Agent for In Vivo Computed Tomography Scan Imaging. NANOSCALE RESEARCH LETTERS 2020; 15:53. [PMID: 32130549 PMCID: PMC7056796 DOI: 10.1186/s11671-020-3286-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 02/18/2020] [Indexed: 05/08/2023]
Abstract
In recent years, contrast agents have been widely used in imaging technology to improve quality. Nanoparticles have better in vivo detection capability than conventional molecular scale contrast agents. In this study, a new type of Au nanocages@PEG nanoparticles (AuNC@PEGs) with a strong X-ray absorption coefficient was synthesized as a contrast agent for computed tomography (CT) scan imaging. Results showed that AuNC@PEGs had good aqueous dispensation, low cytotoxicity, and strong X-ray absorption ability. Furthermore, in vivo studies have shown that the synthesized AuNC@PEGs have an evident contrast enhancement, long circulation time in the blood, and negligible toxicity in vivo. Therefore, the synthesized functionalized AuNC@PEGs in this study have great potential for clinical application in CT scan imaging.
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Affiliation(s)
- Yan Gao
- The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121001, China
| | - Jian Kang
- College of Pharmacy, Jinzhou Medical University, Jinzhou, 121001, China
| | - Zhen Lei
- The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121001, China.
| | - Yankun Li
- The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121001, China
| | - Xifan Mei
- The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121001, China.
| | - Guannan Wang
- College of Pharmacy, Jinzhou Medical University, Jinzhou, 121001, China.
- The Key Laboratory for Medical Tissue Engineering, College of Medical Engineering, Jining Medical University, Jining, 272067, China.
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8
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Wallyn J, Anton N, Mertz D, Begin-Colin S, Perton F, Serra CA, Franconi F, Lemaire L, Chiper M, Libouban H, Messaddeq N, Anton H, Vandamme TF. Magnetite- and Iodine-Containing Nanoemulsion as a Dual Modal Contrast Agent for X-ray/Magnetic Resonance Imaging. ACS APPLIED MATERIALS & INTERFACES 2019; 11:403-416. [PMID: 30541280 DOI: 10.1021/acsami.8b19517] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Noninvasive diagnostic by imaging combined with a contrast agent (CA) is by now the most used technique to get insight into human bodies. X-ray and magnetic resonance imaging (MRI) are widely used technologies providing complementary results. Nowadays, it seems clear that bimodal CAs could be an emerging approach to increase the patient compliance, accessing different imaging modalities with a single CA injection. Owing to versatile designs, targeting properties, and high payload capacity, nanocarriers are considered as a viable solution to reach this goal. In this study, we investigated efficient superparamagnetic iron oxide nanoparticle (SPION)-loaded iodinated nano-emulsions (NEs) as dual modal injectable CAs for X-ray imaging and MRI. The strength of this new CA lies not only in its dual modal contrasting properties and biocompatibility, but also in the simplicity of the nanoparticulate assembling: iodinated oily core was synthesized by the triiodo-benzene group grafting on vitamin E (41.7% of iodine) via esterification, and SPIONs were produced by thermal decomposition during 2, 4, and 6 h to generate SPIONs with different morphologies and magnetic properties. SPIONs with most anisotropic shape and characterized by the highest r2/ r1 ratio once encapsulated into iodinated NE were used for animal experimentation. The in vivo investigation showed an excellent contrast modification because of the presence of the selected NEs, for both imaging techniques explored, that is, MRI and X-ray imaging. This work provides the description and in vivo application of a simple and efficient nanoparticulate system capable of enhancing contrast for both preclinical imaging modalities, MRI, and computed tomography.
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Affiliation(s)
- Justine Wallyn
- Université de Strasbourg, CNRS, CAMB UMR 7199 , F-67000 Strasbourg , France
| | - Nicolas Anton
- Université de Strasbourg, CNRS, CAMB UMR 7199 , F-67000 Strasbourg , France
| | - Damien Mertz
- Université de Strasbourg, CNRS, IPCMS UMR 7504 , F-67000 Strasbourg , France
| | - Sylvie Begin-Colin
- Université de Strasbourg, CNRS, IPCMS UMR 7504 , F-67000 Strasbourg , France
| | - Francis Perton
- Université de Strasbourg, CNRS, IPCMS UMR 7504 , F-67000 Strasbourg , France
| | - Christophe A Serra
- Université de Strasbourg, CNRS, ICS UPR 22 , F-67000 Strasbourg , France
| | - Florence Franconi
- Université d'Angers, PRISM , F-49045 Angers , France
- Université d'Angers, MINT INSERM 1066/CNRS , F-49045 Angers , France
| | - Laurent Lemaire
- Université d'Angers, PRISM , F-49045 Angers , France
- Université d'Angers, MINT INSERM 1066/CNRS , F-49045 Angers , France
| | - Manuela Chiper
- Université de Strasbourg, CNRS, BSC UMR 7242 , F-67412 Strasbourg , France
| | - Hélène Libouban
- Université d'Angers, GEROM, SFR ICAT 42-08, IRIS-IBS , F-49045 Angers , France
| | - Nadia Messaddeq
- Université de Strasbourg, CNRS, INSERM, Collège de France, IGBMC UMR 7104/UMR_S 694 , F-67400 Strasbourg , France
| | - Halina Anton
- Université de Strasbourg, CNRS, LPB UMR 7213 , F-67400 Strasbourg , France
| | - Thierry F Vandamme
- Université de Strasbourg, CNRS, CAMB UMR 7199 , F-67000 Strasbourg , France
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9
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Attia MF, Dieng SM, Collot M, Klymchenko AS, Bouillot C, Serra CA, Schmutz M, Er-Rafik M, Vandamme TF, Anton N. Functionalizing Nanoemulsions with Carboxylates: Impact on the Biodistribution and Pharmacokinetics in Mice. Macromol Biosci 2017; 17. [DOI: 10.1002/mabi.201600471] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Revised: 01/20/2017] [Indexed: 01/10/2023]
Affiliation(s)
- Mohamed F. Attia
- Faculty of Pharmacy; University of Strasbourg; 74 route du Rhin 67401 Illkirch Cedex France
- CNRS UMR 7199; Laboratoire de Conception et Application de Molécules Bioactives; équipe de Pharmacie Biogalénique; 74 route du Rhin 67401 Illkirch Cedex France
- National Research Center; P.O. 12622 Cairo Egypt
| | - Sidy M. Dieng
- Faculty of Pharmacy; University of Strasbourg; 74 route du Rhin 67401 Illkirch Cedex France
- CNRS UMR 7199; Laboratoire de Conception et Application de Molécules Bioactives; équipe de Pharmacie Biogalénique; 74 route du Rhin 67401 Illkirch Cedex France
| | - Mayeul Collot
- Faculty of Pharmacy; University of Strasbourg; 74 route du Rhin 67401 Illkirch Cedex France
- UMR CNRS 7213; Laboratoire de Biophotonique et Pharmacologie; équipe Nanochimie et Bioimagerie; 74 route du Rhin 67401 Illkirch Cedex France
| | - Andrey S. Klymchenko
- Faculty of Pharmacy; University of Strasbourg; 74 route du Rhin 67401 Illkirch Cedex France
- UMR CNRS 7213; Laboratoire de Biophotonique et Pharmacologie; équipe Nanochimie et Bioimagerie; 74 route du Rhin 67401 Illkirch Cedex France
| | | | | | - Marc Schmutz
- Institut Charles Sadron (ICS) UPR 22 CNRS; 67200 Strasbourg France
| | - Meriem Er-Rafik
- Institut Charles Sadron (ICS) UPR 22 CNRS; 67200 Strasbourg France
| | - Thierry F. Vandamme
- Faculty of Pharmacy; University of Strasbourg; 74 route du Rhin 67401 Illkirch Cedex France
- CNRS UMR 7199; Laboratoire de Conception et Application de Molécules Bioactives; équipe de Pharmacie Biogalénique; 74 route du Rhin 67401 Illkirch Cedex France
| | - Nicolas Anton
- Faculty of Pharmacy; University of Strasbourg; 74 route du Rhin 67401 Illkirch Cedex France
- CNRS UMR 7199; Laboratoire de Conception et Application de Molécules Bioactives; équipe de Pharmacie Biogalénique; 74 route du Rhin 67401 Illkirch Cedex France
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10
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Ding S, Anton N, Akram S, Er-Rafik M, Anton H, Klymchenko A, Yu W, Vandamme TF, Serra CA. A new method for the formulation of double nanoemulsions. SOFT MATTER 2017; 13:1660-1669. [PMID: 28145556 DOI: 10.1039/c6sm02603f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Double emulsions are very attractive systems for many reasons; the most important of these are their capacity to encapsulate hydrophilic and lipophilic molecules simultaneously in a single particle and their potentiality to protect fragile hydrophilic molecules from the continuous phase. Double emulsions represent a technology that is widely present down to the micrometer scale; however, double nanoemulsions, with their new potential applications as nanomedicines or diagnosis agents, currently present a significant challenge. In this study, we propose an original two-step approach for the fabrication of double nanoemulsions with a final size below 200 nm. The process consists of the formulation of a primary water-in-oil (w1/O) nanoemulsion by high-pressure homogenization, followed by the re-emulsification of this primary emulsion by a low-energy method to preserve the double nanostructure. Various characterization techniques were undertaken to confirm the double structure and to evaluate the encapsulation efficiency of a small hydrophilic probe in the inner aqueous droplets. Complementary fluorescence confocal and cryo-TEM microscopy experiments were conducted to characterize and confirm the double structure of the double nanoemulsion.
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Affiliation(s)
- Shukai Ding
- Institut Charles Sadron (ICS) - UPR 22 CNRS, Strasbourg, France
| | - Nicolas Anton
- CNRS 7199, Laboratoire de Conception et Application de Molécules Bioactives (CAMB), Equipe de Pharmacie Biogalénique, 74 route du Rhin, 67401 Illkirch Cedex, France and Université de Strasbourg, Faculté de Pharmacie, 74 route du Rhin, 67401 Illkirch Cedex, France.
| | - Salman Akram
- CNRS 7199, Laboratoire de Conception et Application de Molécules Bioactives (CAMB), Equipe de Pharmacie Biogalénique, 74 route du Rhin, 67401 Illkirch Cedex, France and Université de Strasbourg, Faculté de Pharmacie, 74 route du Rhin, 67401 Illkirch Cedex, France.
| | - Meriem Er-Rafik
- Institut Charles Sadron (ICS) - UPR 22 CNRS, Strasbourg, France
| | - Halina Anton
- CNRS 7213, Laboratoire de Biophotonique et Pharmacologie, 74 route du Rhin, 67401 Illkirch Cedex, France
| | - Andrey Klymchenko
- CNRS 7213, Laboratoire de Biophotonique et Pharmacologie, 74 route du Rhin, 67401 Illkirch Cedex, France
| | - Wei Yu
- Institut Charles Sadron (ICS) - UPR 22 CNRS, Strasbourg, France
| | - Thierry F Vandamme
- CNRS 7199, Laboratoire de Conception et Application de Molécules Bioactives (CAMB), Equipe de Pharmacie Biogalénique, 74 route du Rhin, 67401 Illkirch Cedex, France and Université de Strasbourg, Faculté de Pharmacie, 74 route du Rhin, 67401 Illkirch Cedex, France.
| | - Christophe A Serra
- Institut Charles Sadron (ICS) - UPR 22 CNRS, Strasbourg, France and Université de Strasbourg, École Européenne de Chimie, Polymères et Matériaux (ECPM), Strasbourg, France.
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11
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Liu X, Gao C, Gu J, Jiang Y, Yang X, Li S, Gao W, An T, Duan H, Fu J, Wang Y, Yang X. Hyaluronic Acid Stabilized Iodine-Containing Nanoparticles with Au Nanoshell Coating for X-ray CT Imaging and Photothermal Therapy of Tumors. ACS APPLIED MATERIALS & INTERFACES 2016; 8:27622-27631. [PMID: 27686162 DOI: 10.1021/acsami.6b11918] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In recent years, considerable efforts have been made for the development of multifunctional nanoparticles with diagnosis and therapy functions. To achieve enhanced CT imaging and photothermal therapy on the tumor, we employed iodinated nanoparticles as template to construct Au nanoshell structure and demonstrated a facile but effective approach to synthesize biocompatible and well-dispersed multifunctional nanoparticles by coating iodinated nanoparticles with Au nanoshell and subsequent surface modification by hyaluronic acid. The resultant poly(2-methacryl(3-amide-2,4,6-triiodobenzoic acid))/polyethylenimine/Au nanoshell/hyaluronic acid (PMATIB/PEI/Au nanoshell/HA) nanoparticles had relatively high X-ray attenuation coefficient and photothermal efficiency. After intravenous injection into MCF-7 tumor-bearing mice, PMATIB/PEI/Au nanoshell/HA nanoparticles were efficiently accumulated in the tumor, remarkably enhanced the tumor CT imaging, and selectively ablated the tumor through the thermal treatment of lesions under the NIR irradiation. Thus, PMATIB/PEI/Au nanoshell/HA nanoparticles displayed a great potential for CT diagnosis and CT-guided, focused photothermal tumor therapy.
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Affiliation(s)
- Xinghua Liu
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Chunhui Gao
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Junheng Gu
- Tianjin Chest Hospital , Tianjin 300051, PR China
| | - Yunfang Jiang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Xinlin Yang
- Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University , Tianjin 300071, PR China
| | - Shaoyong Li
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Wei Gao
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Tong An
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Hongquan Duan
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Jingwei Fu
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Yinsong Wang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
| | - Xiaoying Yang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Basic Medical Research Center, Tianjin Medical University , No. 22 Qixiangtai Road, Heping District, Tianjin 300070, PR China
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12
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Wang J, Quershi WA, Li Y, Xu J, Nie G. Analytical methods for nano-bio interface interactions. Sci China Chem 2016. [DOI: 10.1007/s11426-016-0340-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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13
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Wang K, Peng H, Thurecht KJ, Puttick S, Whittaker AK. Multifunctional hyperbranched polymers for CT/19F MRI bimodal molecular imaging. Polym Chem 2016. [DOI: 10.1039/c5py01707f] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Multifunctional hyperbranched polymers containing iodine and fluorine were synthesised by reversible addition–fragmentation chain transfer (RAFT) polymerisation, and evaluated as novel contrast agents for CT/19F MRI bimodal molecular imaging.
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Affiliation(s)
- Kewei Wang
- Australian Institute for Bioengineering and Nanotechnology
- Centre for Advanced Imaging
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology
- The University of Queensland
- St. Lucia
| | - Hui Peng
- Australian Institute for Bioengineering and Nanotechnology
- Centre for Advanced Imaging
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology
- The University of Queensland
- St. Lucia
| | - Kristofer J. Thurecht
- Australian Institute for Bioengineering and Nanotechnology
- Centre for Advanced Imaging
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology
- The University of Queensland
- St. Lucia
| | - Simon Puttick
- Australian Institute for Bioengineering and Nanotechnology
- Centre for Advanced Imaging
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology
- The University of Queensland
- St. Lucia
| | - Andrew K. Whittaker
- Australian Institute for Bioengineering and Nanotechnology
- Centre for Advanced Imaging
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology
- The University of Queensland
- St. Lucia
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Gué E, Since M, Ropars S, Herbinet R, Le Pluart L, Malzert-Fréon A. Evaluation of the versatile character of a nanoemulsion formulation. Int J Pharm 2015; 498:49-65. [PMID: 26685727 DOI: 10.1016/j.ijpharm.2015.12.010] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Accepted: 12/04/2015] [Indexed: 01/10/2023]
Abstract
The formulate-ability of six model active pharmaceutical ingredients (API), with different physico-chemical profiles, in a nanoemulsion designed to be intraveinously administrable was explored. Nanoemulsions were spontaneously generated at room temperature by pouring a phosphate buffer in an anhydrous mixture containing pharmaceutically acceptable triglycerides and non-ionic surfactants. After determination of the apparent solubility of each API in excipients and characterization of mixtures by DSC, API-loaded nanoemulsions were formulated and characterized in terms of granulometric properties, surface potential, drug recovery efficiency, pH, osmolarity, in vitro drug release, and stability. Except ciprofloxacin, a BCS class IV drug, all studied APIs were soluble in at least one excipient used, i.e. Labrasol. At 2 wt% API, all drug-loaded nanoemulsions present properties compatible with i.v. administration. The formulation should permit to increase apparent solubility of poorly water-soluble APIs, and also to prolong delivery of hydrophobic as well of more hydrophilic compounds. Herein, the relative affinity of the API for nanodroplets and the release medium would directly influence drug release profiles. Nanoemulsions were stable for 7 days. They could also been extemporaneously reconstituted before use. Such a versatile nanoemulsion would provide a valuable option as formulation strategy for improvement of drug properties.
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Affiliation(s)
- E Gué
- Université Caen Normandie, France; UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie - FR CNRS INC3M - SF 4206 ICORE, UFR des Sciences Pharmaceutiques, Bd Becquerel), F-14032 Caen, France
| | - M Since
- Université Caen Normandie, France; UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie - FR CNRS INC3M - SF 4206 ICORE, UFR des Sciences Pharmaceutiques, Bd Becquerel), F-14032 Caen, France
| | - S Ropars
- Université Caen Normandie, France; UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie - FR CNRS INC3M - SF 4206 ICORE, UFR des Sciences Pharmaceutiques, Bd Becquerel), F-14032 Caen, France
| | - R Herbinet
- Laboratoire de Chimie Moléculaire et Thioorganique, UMR CNRS 6507, INC3 M FR 3038, ENSICAEN & Université de Caen, 14050 Caen, France
| | - L Le Pluart
- Laboratoire de Chimie Moléculaire et Thioorganique, UMR CNRS 6507, INC3 M FR 3038, ENSICAEN & Université de Caen, 14050 Caen, France
| | - A Malzert-Fréon
- Université Caen Normandie, France; UNICAEN, CERMN (Centre d'Etudes et de Recherche sur le Médicament de Normandie - FR CNRS INC3M - SF 4206 ICORE, UFR des Sciences Pharmaceutiques, Bd Becquerel), F-14032 Caen, France.
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Ashton JR, West JL, Badea CT. In vivo small animal micro-CT using nanoparticle contrast agents. Front Pharmacol 2015; 6:256. [PMID: 26581654 PMCID: PMC4631946 DOI: 10.3389/fphar.2015.00256] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 10/19/2015] [Indexed: 12/12/2022] Open
Abstract
Computed tomography (CT) is one of the most valuable modalities for in vivo imaging because it is fast, high-resolution, cost-effective, and non-invasive. Moreover, CT is heavily used not only in the clinic (for both diagnostics and treatment planning) but also in preclinical research as micro-CT. Although CT is inherently effective for lung and bone imaging, soft tissue imaging requires the use of contrast agents. For small animal micro-CT, nanoparticle contrast agents are used in order to avoid rapid renal clearance. A variety of nanoparticles have been used for micro-CT imaging, but the majority of research has focused on the use of iodine-containing nanoparticles and gold nanoparticles. Both nanoparticle types can act as highly effective blood pool contrast agents or can be targeted using a wide variety of targeting mechanisms. CT imaging can be further enhanced by adding spectral capabilities to separate multiple co-injected nanoparticles in vivo. Spectral CT, using both energy-integrating and energy-resolving detectors, has been used with multiple contrast agents to enable functional and molecular imaging. This review focuses on new developments for in vivo small animal micro-CT using novel nanoparticle probes applied in preclinical research.
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Affiliation(s)
- Jeffrey R Ashton
- Department of Biomedical Engineering, Duke University, Durham NC, USA ; Department of Radiology, Center for In Vivo Microscopy, Duke University Medical Center, Durham NC, USA
| | - Jennifer L West
- Department of Biomedical Engineering, Duke University, Durham NC, USA
| | - Cristian T Badea
- Department of Radiology, Center for In Vivo Microscopy, Duke University Medical Center, Durham NC, USA
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Biodistribution and Toxicity of X-Ray Iodinated Contrast Agent in Nano-emulsions in Function of Their Size. Pharm Res 2015; 33:603-14. [PMID: 26511860 DOI: 10.1007/s11095-015-1813-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Accepted: 10/21/2015] [Indexed: 10/22/2022]
Abstract
PURPOSE This study aimed to investigate the impact of the size of X-ray iodinated contrast agent in nano-emulsions, on their toxicity and fate in vivo. METHODS A new compound, triiodobenzoate cholecalciferol, was synthetized, formulated as nano-emulsions, and followed after i.v. administration in mice by X-ray imaging (micro computed tomography). Physicochemical characterization and process optimization allowed identifying a good compromise between X-ray contrasting properties, monodispersity and stability. This also allowed selecting two formulations with different sizes, hydrodynamic diameters of 55 and 100 nm, but exactly the same composition. In vitro experiments were performed on two cell lines, namely hepatocytes (BNL-CL2) and macrophages (RAW264.7). RESULTS Cell viability studies, cell uptake observations by confocal microscopy, and uptake quantification by fluorimetry, disclosed clear differences between two formulations, as well as between two types of cell lines. After i.v. injection of the two iodinated nano-emulsions in mice, CT scans provided the quantification of the pharmacokinetics and biodistributions. We finally showed that the size in the nano-emulsions has not a real impact on the pharmacokinetics and biodistributions, but has a strong influence on their toxicity, corroborating the in vitro results. CONCLUSIONS This study shows that the size of the nanocarrier significantly matters, likely due to highly different interactions with cells and tissues. Graphical Abstract A study on the effect of the size of cholecciferol nano-emulsions, on their in vivo becoming, through X-ray imaging modality.
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Nicolau SE, Davis LL, Duncan CC, Olsen TR, Alexis F, Whitehead DC, Van Horn BA. Oxime functionalization strategy for iodinated poly(epsilon-caprolactone) X-ray opaque materials. ACTA ACUST UNITED AC 2015. [DOI: 10.1002/pola.27706] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Samantha E. Nicolau
- Department of Chemistry and Biochemistry; College of Charleston; 66 George St. Charleston South Carolina 29424
| | - Lundy L. Davis
- Department of Chemistry and Biochemistry; College of Charleston; 66 George St. Charleston South Carolina 29424
| | - Caroline C. Duncan
- Department of Chemistry and Biochemistry; College of Charleston; 66 George St. Charleston South Carolina 29424
| | - Timothy R. Olsen
- Department of Bioengineering; Clemson University; 203 Rhodes Research Center Annex Clemson South Carolina 29634
| | - Frank Alexis
- Department of Bioengineering; Clemson University; 203 Rhodes Research Center Annex Clemson South Carolina 29634
- Institute of Biological Interfaces of Engineering; Department of Bioengineering; Clemson University; Clemson South Carolina 29634-0905
| | - Daniel C. Whitehead
- Department of Chemistry; Clemson University; 467 Hunter Laboratories Clemson South Carolina 29634
| | - Brooke A. Van Horn
- Department of Chemistry and Biochemistry; College of Charleston; 66 George St. Charleston South Carolina 29424
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18
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Talegaonkar S, Negi LM. Nanoemulsion in Drug Targeting. ADVANCES IN DELIVERY SCIENCE AND TECHNOLOGY 2015. [DOI: 10.1007/978-3-319-11355-5_14] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Hallouard F, Dollo G, Brandhonneur N, Grasset F, Corre PL. Preparation and characterization of spironolactone-loaded nano-emulsions for extemporaneous applications. Int J Pharm 2014; 478:193-201. [PMID: 25448582 DOI: 10.1016/j.ijpharm.2014.11.046] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 11/05/2014] [Accepted: 11/08/2014] [Indexed: 11/30/2022]
Abstract
In neonates as well as in adults having swallowing difficulty, oral medication is given through a nasogastric tube making liquid formulations preferable. In this study, we present the high potential of nanometric emulsions formulated by spontaneous surfactant diffusion, as extemporaneous formulations of hydrophobic drug. Spironolactone used as hydrophobic drug model, was incorporated in oil before formulation at a concentration of 13.5mg/g oil. Then, all formulations were evaluated from pharmacotechnical and clinical standpoints, for their use in hospital or community pharmacy. The strength of this new liquid formulation lies on the simplicity, efficiency and reproducibility of their low energy process as on clinical aspects: high dose uniformity, facility to be administered through in nasogastric tube without any retention and a stability of 2 months at least compatible for an extemporaneous use. Moreover, this emulsion presented spironolactone content of 3.75 mg/ml among the most concentrated formulations published.
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Affiliation(s)
- François Hallouard
- Université de Rennes I, Laboratoire de Pharmacie Galénique, Biopharmacie et Pharmacie Clinique, Rennes, France
| | - Gilles Dollo
- Université de Rennes I, Laboratoire de Pharmacie Galénique, Biopharmacie et Pharmacie Clinique, Rennes, France; Centre Hospitalo-Universitaire de Rennes, Pôle Pharmacie, Rennes, France.
| | - Nolwenn Brandhonneur
- Université de Rennes I, Laboratoire de Pharmacie Galénique, Biopharmacie et Pharmacie Clinique, Rennes, France
| | - Fabien Grasset
- Université de Rennes I, Institut des Sciences Chimiques de Rennes, UMR/CNRS 6226, Rennes, France; CNRS, UMI 3629CNRS/Saint-Gobain, Laboratory for Innovative Key Materials and Structures-Link, National Institute of Material Science (NIMS), GREEN/MANA Room 512, 1-1 Namiki, 305-0044 Tsukuba, Japan
| | - Pascal Le Corre
- Université de Rennes I, Laboratoire de Pharmacie Galénique, Biopharmacie et Pharmacie Clinique, Rennes, France; Centre Hospitalo-Universitaire de Rennes, Pôle Pharmacie, Rennes, France
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20
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Attia MF, Anton N, Chiper M, Akasov R, Anton H, Messaddeq N, Fournel S, Klymchenko AS, Mély Y, Vandamme TF. Biodistribution of X-ray iodinated contrast agent in nano-emulsions is controlled by the chemical nature of the oily core. ACS NANO 2014; 8:10537-10550. [PMID: 25284066 DOI: 10.1021/nn503973z] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
In this study, we investigated the role of the chemical nature of the oil droplet core of nano-emulsions used as contrast agents for X-ray imaging on their pharmacokinetics and biodistribution. To this end, we formulated PEGylated nano-emulsions with two iodinated oils (i.e., iodinated monoglyceride and iodinated castor oil) and compared them with another iodinated nano-emulsion based on iodinated vitamin E. By using dynamic light scattering and transmission electron microscopy, the three iodinated nano-emulsions were found to exhibit comparable morphologies, size, and surface composition. Furthermore, they were shown to be endowed with very high iodine concentration, which leads to stronger X-ray attenuation properties as compared to the commercial iodinated nano-emulsion Fenestra VC. The three nano-emulsions were i.v. administered in mice and monitored by microcomputed tomography (micro-CT). They showed high contrast enhancement in blood with similar half-life around 6 h but very different accumulation sites. While iodinated monoglycerides exhibited low accumulation in liver and spleen, high accumulation in spleen was observed for iodinated castor oil and in liver for vitamin E. These data clearly highlighted the important role of the oil composition of the nano-emulsion core to obtain strong X-ray contrast enhancement in specific targets such as liver, spleen, or only blood. These differences in biodistribution were partly attributed to differences in the uptake of the nanodroplets by the macrophages in vitro. Another key feature of these nano-emulsions is their long half-elimination time (several weeks), which offers sufficient retention for micro-CT imaging. This work paves the way for the design of nanoparticulate contrast agents for X-ray imaging of selected organs.
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Affiliation(s)
- Mohamed F Attia
- University of Strasbourg, Faculty of Pharmacy , 74 route du Rhin, 67401 Illkirch Cedex, France
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Contrast agents for preclinical targeted X-ray imaging. Adv Drug Deliv Rev 2014; 76:116-133. [PMID: 25086373 DOI: 10.1016/j.addr.2014.07.013] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Revised: 07/08/2014] [Accepted: 07/22/2014] [Indexed: 11/20/2022]
Abstract
Micro-computed tomography (micro-CT) is an X-ray based instrument that it is specifically designed for biomedical research at a preclinical stage for live imaging of small animals. This imaging modality is cost-effective, fast, and produces remarkable high-resolution images of X-ray opaque skeleton. Administration of biocompatible X-ray opaque contrast agent allows delineation of the blood vessels, and internal organs and even detection of tumor metastases as small as 300 μm. However, the main limitation of micro-CT lies in the poor efficacy or toxicity of the contrast agents. Moreover, contrast agents for micro-CT have to be stealth nanoparticulate systems, i.e. preventing their rapid renal clearance. The chemical composition and physicochemical properties will condition their uptake and elimination pathways, and therefore all the biological fluids, organs, and tissues trough this elimination route of the nanoparticles will be contrasted. Furthermore, several technologies playing on the nanoparticle properties, aim to influence these biological pathways in order to induce their accumulation onto given targeted sites, organs of tumors. In function of the methodologies carried out, taking benefit or not of the action of immune system, of the natural response of the organism like hepatocyte uptake or enhanced permeation and retention effect, or even accumulation due to ligand/receptor interactions, the technologies are called passive or active targeted imaging. The present review presents the most recent advances in the development of specific contrast agents for targeted X-ray imaging micro-CT, discussing the recent advance of in vivo targeting of nanoparticulate contrast agents, and the influence of the formulations, nature of the nanocarrier, nature and concentration of the X-ray contrasting materials, effect of the surface properties, functionalization and bioconjugation. The pharmacokinetic and versatility of nanometric systems appear particularly advantageous for addressing the versatile biomedical research needs. State of the art investigations are on going to propose contrast agents with tumor accumulating properties and will contribute for development of safer cancer medicine having detection and therapeutic modalities.
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Jin E, Lu ZR. Biodegradable iodinated polydisulfides as contrast agents for CT angiography. Biomaterials 2014; 35:5822-9. [PMID: 24768156 DOI: 10.1016/j.biomaterials.2014.03.054] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2014] [Accepted: 03/21/2014] [Indexed: 10/25/2022]
Abstract
Current clinical CT contrast agents are mainly small molecular iodinated compounds, which often suffer from short blood pool retention for more comprehensive cardiovascular CT imaging and may cause contrast-induced nephropathy. In this work, we prepared polydisulfides containing a traditional iodinated CT contrast agent in order to optimize the pharmacokinetics of the agent and improve its safety. Initially acting as a macromolecular agent and achieving sharp blood vessel delineation, the polydisulfides can be reduced by endogenous thiols via disulfide-thiol exchange reaction to oligomers that can be readily excreted via renal filtration. Short polyethylene glycol (PEG) chain was also introduced to the polymers to further modify the in vivo properties of the agents. Strong and prolonged vascular enhancement has been generated with two new agents in mice (5-10 times higher blood pool enhancement than iodixanol). The polydisulfide agents gradually degraded and excreted via renal filtration. The gradual excretion process could prevent contrast-induced nephropathy. These results suggest that the biodegradable macromolecular CT contrast agents are promising safe and effective blood contrast agents for CT angiography and image-guided interventions.
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Affiliation(s)
- Erlei Jin
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Zheng-Rong Lu
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA.
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Lee EH, Hong SS, Kim SH, Lee MK, Lim JS, Lim SJ. Computed tomography-guided screening of surfactant effect on blood circulation time of emulsions: application to the design of an emulsion formulation for paclitaxel. Pharm Res 2014; 31:2022-34. [PMID: 24549824 DOI: 10.1007/s11095-014-1304-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2013] [Accepted: 01/14/2014] [Indexed: 01/25/2023]
Abstract
PURPOSE In an effort to apply the imaging techniques currently used in disease diagnosis for monitoring the pharmacokinetics and biodisposition of particulate drug carriers, we sought to use computed tomography (CT) scanning methodology to investigate the impact of surfactant on the blood residence time of emulsions. METHODS We prepared the iodinated oil Lipiodol emulsions with different compositions of surfactants and investigated the impact of surfactant on the blood residence time of emulsions by CT scanning. RESULTS The blood circulation time of emulsions was prolonged by including Tween 80 or DSPE-PEG (polyethylene glycol 2000) in emulsions. Tween 80 was less effective than DSPE-PEG in terms of prolongation effect, but the blood circulating time of emulsions was prolonged in a Tween 80 content-dependent manner. As a proof-of-concept demonstration of the usefulness of CT-guided screening in the process of formulating drugs that need to be loaded in emulsions, paclitaxel was loaded in emulsions prepared with 87 or 65% Tween 80-containing surfactant mixtures. A pharmacokinetics study showed that paclitaxel loaded in 87% Tween 80 emulsions circulated longer in the bloodstream compared to those in 65% Tween 80 emulsions, as predicted by CT imaging. CONCLUSIONS CT-visible, Lipiodol emulsions enabled the simple evaluation of surfactant composition effects on the biodisposition of emulsions.
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Affiliation(s)
- Eun-Hye Lee
- Department of Bioscience and Bioengineering, Sejong University, Seoul, Republic of Korea
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Hallouard F, Briancon S, Anton N, Li X, Vandamme T, Fessi H. Influence of Diblock Copolymer PCL-mPEG and of Various lodinated Oils on the Formulation by the Emulsion-Solvent Diffusion Process of Radiopaque Polymeric Nanoparticles. J Pharm Sci 2013; 102:4150-8. [DOI: 10.1002/jps.23722] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2013] [Revised: 08/12/2013] [Accepted: 08/15/2013] [Indexed: 11/12/2022]
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25
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Nanotechnology for Computed Tomography: A Real Potential Recently Disclosed. Pharm Res 2013; 31:20-34. [DOI: 10.1007/s11095-013-1131-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Accepted: 06/24/2013] [Indexed: 10/26/2022]
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26
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Ahn S, Jung SY, Lee SJ. Gold nanoparticle contrast agents in advanced X-ray imaging technologies. Molecules 2013; 18:5858-90. [PMID: 23685939 PMCID: PMC6270207 DOI: 10.3390/molecules18055858] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Revised: 04/30/2013] [Accepted: 05/14/2013] [Indexed: 02/07/2023] Open
Abstract
Recently, there has been significant progress in the field of soft- and hard-X-ray imaging for a wide range of applications, both technically and scientifically, via developments in sources, optics and imaging methodologies. While one community is pursuing extensive applications of available X-ray tools, others are investigating improvements in techniques, including new optics, higher spatial resolutions and brighter compact sources. For increased image quality and more exquisite investigation on characteristic biological phenomena, contrast agents have been employed extensively in imaging technologies. Heavy metal nanoparticles are excellent absorbers of X-rays and can offer excellent improvements in medical diagnosis and X-ray imaging. In this context, the role of gold (Au) is important for advanced X-ray imaging applications. Au has a long-history in a wide range of medical applications and exhibits characteristic interactions with X-rays. Therefore, Au can offer a particular advantage as a tracer and a contrast enhancer in X-ray imaging technologies by sensing the variation in X-ray attenuation in a given sample volume. This review summarizes basic understanding on X-ray imaging from device set-up to technologies. Then this review covers recent studies in the development of X-ray imaging techniques utilizing gold nanoparticles (AuNPs) and their relevant applications, including two- and three-dimensional biological imaging, dynamical processes in a living system, single cell-based imaging and quantitative analysis of circulatory systems and so on. In addition to conventional medical applications, various novel research areas have been developed and are expected to be further developed through AuNP-based X-ray imaging technologies.
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Affiliation(s)
- Sungsook Ahn
- Biofluid and Biomimic Research Center, Pohang University of Science and Technology, Pohang 790-784, Korea
| | - Sung Yong Jung
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang 790-784, Korea
| | - Sang Joon Lee
- Biofluid and Biomimic Research Center, Pohang University of Science and Technology, Pohang 790-784, Korea
- Department of Mechanical Engineering, Pohang University of Science and Technology, Pohang 790-784, Korea
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Poly(ethylene glycol)-poly(ε-caprolactone) Iodinated Nanocapsules as Contrast Agents for X-ray Imaging. Pharm Res 2013; 30:2023-35. [DOI: 10.1007/s11095-013-1047-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Accepted: 04/01/2013] [Indexed: 11/26/2022]
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