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Romanenko VD. α-Heteroatom-substituted gem-Bisphosphonates: Advances in the Synthesis and Prospects for Biomedical Application. CURR ORG CHEM 2019. [DOI: 10.2174/1385272823666190401141844] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Functionalized gem-bisphosphonic acid derivatives being pyrophosphate isosteres are of great synthetic and biological interest since they are currently the most important class of drugs developed for the treatment of diseases associated with the disorder of calcium metabolism, including osteoporosis, Paget’s disease, and hypercalcemia. In this article, we will try to give an in-depth overview of the methods for obtaining α- heteroatom-substituted methylenebisphosphonates and acquaint the reader with the synthetic strategies that are used to develop biologically important compounds of this type.
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Affiliation(s)
- Vadim D. Romanenko
- V. P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry, National Academy of Sciences of Ukraine, 1-Murmanska Street, Kyiv-94, 02660, Ukraine
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Sedghizadeh PP, Sun S, Junka AF, Richard E, Sadrerafi K, Mahabady S, Bakhshalian N, Tjokro N, Bartoszewicz M, Oleksy M, Szymczyk P, Lundy MW, Neighbors JD, Russell RGG, McKenna CE, Ebetino FH. Design, Synthesis, and Antimicrobial Evaluation of a Novel Bone-Targeting Bisphosphonate-Ciprofloxacin Conjugate for the Treatment of Osteomyelitis Biofilms. J Med Chem 2017; 60:2326-2343. [PMID: 28121436 DOI: 10.1021/acs.jmedchem.6b01615] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Osteomyelitis is a major problem worldwide and is devastating due to the potential for limb-threatening sequelae and mortality. Osteomyelitis pathogens are bone-attached biofilms, making antibiotic delivery challenging. Here we describe a novel osteoadsorptive bisphosphonate-ciprofloxacin conjugate (BV600022), utilizing a "target and release" chemical strategy, which demonstrated a significantly enhanced therapeutic index versus ciprofloxacin for the treatment of osteomyelitis in vivo. In vitro antimicrobial susceptibility testing of the conjugate against common osteomyelitis pathogens revealed an effective bactericidal profile and sustained release of the parent antibiotic over time. Efficacy and safety were demonstrated in an animal model of periprosthetic osteomyelitis, where a single dose of 10 mg/kg (15.6 μmol/kg) conjugate reduced the bacterial load by 99% and demonstrated nearly an order of magnitude greater activity than the parent antibiotic ciprofloxacin (30 mg/kg, 90.6 μmol/kg) given in multiple doses. Conjugates incorporating a bisphosphonate and an antibiotic for bone-targeted delivery to treat osteomyelitis biofilm pathogens constitute a promising approach to providing high bone-antimicrobial potency while minimizing systemic exposure.
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Affiliation(s)
| | - Shuting Sun
- BioVinc, LLC , Pasadena, California 91107, United States
| | - Adam F Junka
- Department of Pharmaceutical Microbiology and Parasitology, Wrocław Medical University , Wroclaw 50-367, Poland
| | - Eric Richard
- BioVinc, LLC , Pasadena, California 91107, United States
| | | | | | | | | | - Marzenna Bartoszewicz
- Department of Pharmaceutical Microbiology and Parasitology, Wrocław Medical University , Wroclaw 50-367, Poland
| | - Monika Oleksy
- Department of Pharmaceutical Microbiology and Parasitology, Wrocław Medical University , Wroclaw 50-367, Poland
| | - Patrycja Szymczyk
- Centre for Advanced Manufacturing Technologies, Wrocław University of Technology , Wrocław 50-370, Poland
| | - Mark W Lundy
- BioVinc, LLC , Pasadena, California 91107, United States
| | - Jeffrey D Neighbors
- BioVinc, LLC , Pasadena, California 91107, United States.,Department of Pharmacology and Medicine, Pennsylvania State University College of Medicine , Hershey, Pennsylvania 17033, United States
| | - R Graham G Russell
- The Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford , Oxford OX3 7LD, United Kingdom.,The Mellanby Centre for Bone Research, Department of Oncology and Metabolism, University of Sheffield , Sheffield S10 2RX, United Kingdom
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Lam T, Avti PK, Pouliot P, Tardif JC, Rhéaume É, Lesage F, Kakkar A. Surface engineering of SPIONs: role of phosphonate ligand multivalency in tailoring their efficacy. NANOTECHNOLOGY 2016; 27:415602. [PMID: 27608753 DOI: 10.1088/0957-4484/27/41/415602] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We report the design of scaffolds containing mono-, bis-, and tris-phosphonate coordinating groups, and a polyethylene glycol chain, for stabilizing superparamagnetic iron oxide nanoparticles (SPIONs), using simple and versatile chemistry. We demonstrate that the number of anchoring phosphonate sites on the ligand influence the colloidal stability, magnetic and biological properties of SPIONs, and the latter do not solely depend on attaching moieties that can enhance their aqueous dispersion. These parameters can be tailored by the number of conjugation sites on the ligand, as evidenced from dynamic light scattering at various salt concentrations, magnetic relaxivities and cell viability studies.
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Affiliation(s)
- Tina Lam
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, Quebec H3A 0B8, Canada
| | - Pramod K Avti
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, Quebec H3A 0B8, Canada
- Department of Electrical Engineering, Ecole Polytechnique de Montreal, C.P. 6079 succ. Centre-Ville, Montreal, Quebec H3C 3A7, Canada
- Research Centre, Montreal Heart Institute, 5000 Belanger Street, Montreal, Quebec H1T 1C8, Canada
| | - Philippe Pouliot
- Department of Electrical Engineering, Ecole Polytechnique de Montreal, C.P. 6079 succ. Centre-Ville, Montreal, Quebec H3C 3A7, Canada
| | - Jean-Claude Tardif
- Research Centre, Montreal Heart Institute, 5000 Belanger Street, Montreal, Quebec H1T 1C8, Canada
- Department of Medicine, Universite de Montreal, Montreal, Quebec, Canada
| | - Éric Rhéaume
- Research Centre, Montreal Heart Institute, 5000 Belanger Street, Montreal, Quebec H1T 1C8, Canada
- Department of Medicine, Universite de Montreal, Montreal, Quebec, Canada
| | - Frederic Lesage
- Department of Electrical Engineering, Ecole Polytechnique de Montreal, C.P. 6079 succ. Centre-Ville, Montreal, Quebec H3C 3A7, Canada
- Research Centre, Montreal Heart Institute, 5000 Belanger Street, Montreal, Quebec H1T 1C8, Canada
| | - Ashok Kakkar
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, Quebec H3A 0B8, Canada
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