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Background: Metronidazole with well-soluble silver nitrate forms a complex with potent activity (synergism) against bacterial strains and fungi with simultaneous lower side effect than in the case of the two agents administered separately. This study aimed to establish effectiveness in the treatment of ocular rosacea with new formulation of drops and ointment with silver(I) complex of metronidazole.
Methods: Three patients suffering from serious ophthalmic complications of acne rosacea were treated with drops and ointments applied 3 times a day for 3 months. The uncorrected visual acuity testing (UCVA), pachymetry as well as subjective and objective tear film assessment were evaluated.
Results: In all patients, we have improved UCVA as well as objective and subjective evaluation of the tear film parameters. No significant differences in corneal thickness were observed.
Conclusion: Well soluble silver(I) complex of metronidazole might be an alternative method in ophthalmic complications of acne rosacea treatment.
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http://dx.doi.org/10.1016/j.jtemb.2020.126531 | DOI Listing |
Anticancer Res
September 2025
Department of Math and Sciences, Walsh University, North Canton, OH, U.S.A.
Background/aim: Platinum-based chemotherapeutics remain the standard of care for many solid tumors; however, they have dose-limiting toxicities. Silver(I) -heterocyclic carbene complexes represent a novel class of metallodrugs with potential anticancer activity and improved tolerability. This study evaluated SCC5, a silver(I) acetate complex derived from 1,3-dimethyl-4,5-dichloroimidazole-2-ylidene, across a panel of human cancer cell lines and toxicity models.
View Article and Find Full Text PDFChembiochem
August 2025
Centre for AMR and One Health Research, Technological University Dublin, Tallaght Campus, Dublin, D24 FKT9, Ireland.
Water-soluble photostable coumarin acetate complexes of silver(I) are successfully synthesized and characterized and found to have the ability to eradicate preformed MRSA biofilms. Substitution with short PEG chains at the 4-position of the coumarin ring allows the subsequent synthesis of water-soluble coumarin oxyacetate ligands which successfully allowed silver(I) complex formation. The new complexes are characterized by IR and NMR spectroscopy, microanalysis and high-resolution mass spectrometry where possible.
View Article and Find Full Text PDFDalton Trans
August 2025
Department of Chemistry, Barnard College, 3009 Broadway, New York, NY 10027, USA.
Dinuclear silver(I) complexes have recently gained attention for potential applications in visible light photochemistry. Our group has demonstrated that strong visible light absorption can occur in silver(I) dimers featuring redox-active naphthyridine diimine (NDI) ligands, resulting from a combination of close silver-silver interactions and low-lying ligand π* orbitals. A shortcoming of this previous work is that the sliver-NDI complexes displayed fluxional behavior due to rapid ligand exchange in solution; the ability to produce silver(I) dimers with targeted properties that maintain well-defined structures in solution remains an unmet challenge.
View Article and Find Full Text PDFEur J Pharmacol
August 2025
Centre for Pharmaceutical Research & Development, Ireland; Department of Science, Institute of Technology, Tallaght, Dublin 24, Ireland. Electronic address:
Nat Commun
August 2025
Department of Chemistry, University of Jyvaskyla, Jyväskylä, Finland.
Metal-metal bonds between metal cations are ubiquitous in coordination complexes, whereas similar bonding characteristics between non-metal and metal cations are not. Here, we report an X-ray crystal structure of a centrosymmetric complex [Ag(m-OSCF){(4MePyNO)I}] (1-AgI), where the iodine(I) cation forms an unusual 3-centre 4-electron [O-I-O] halogen bond with two oxygen atoms from two 4-methylpyridine N-oxide (4MePyNO). The iodine(I) atoms from two [4MePyNO-I-ONPyMe4] cations, which, together with the two silver(I) atoms from the paddlewheel [Ag(m-OSCF)] structure, establish two unique I-Ag bonds at 2.
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