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Biomaterial modification of urinary catheters with antimicrobials to give long-term broadspectrum antibiofilm activity
Open accessAbstract
Catheter-associated urinary tract infection (CAUTI) is the commonest hospital-acquired infection, accounting for over 100,000 hospital admissions within the USA annually. Biomaterials and processes intended to reduce the risk of bacterial colonization of the catheters for long-term users have not been successful, mainly because of the need for long duration of activity in flow conditions. Here we report the results of impregnation of urinary catheters with a combination of rifampicin, sparfloxacin and triclosan. In flow experiments, the antimicrobial catheters were able to prevent colonization by common uropathogens Proteus mirabilis, Staphylococcus aureus and Escherichia coli for 7 to 12weeks in vitro compared with 1-3days for other, commercially available antimicrobial catheters currently used clinically. Resistance development was minimized by careful choice of antimicrobial combinations. Drug release profiles and distribution in the polymer, and surface analysis were also carried out and the process had no deleterious effect on the mechanical performance of the catheter or its balloon. The antimicrobial catheter therefore offers for the first time a means of reducing infection and its complications in long-term urinary catheter users.
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Cites
Hooton, T. M., Bradley, S. F., Cardenas, D. D., Colgan, R., Geerlings, S. E., Rice, J. C., Saint, S., Schaeffer, A. J., Tambayh, P. A., Tenke, P., et al. (2010) · Clinical Infectious Diseases · doi:10.1086/650482 · Cited by 2,099
Cited by
A review of the recent advances in antimicrobial coatings for urinary catheters
Singha, P., Locklin, J., & Handa, H. (2017) · Acta Biomaterialia · doi:10.1016/j.actbio.2016.11.070 · Cited by 448
Metadata
- Authors
- Fisher, L. E., Hook, A. L., Ashraf, W., Yousef, A., Barrett, D. A., Scurr, D. J., Chen, X., Smith, E. F., Fay, M., Parmenter, C. D. J., Parkinson, R., & Bayston, R.
- Venue
- Journal of Controlled Release
- Publisher
- Elsevier BV
- Published
- 2015-03
- Volume
- 202
- Pages
- 57-64
- ISSN
- 0168-3659 (ISSN-L)
- OpenAlex
- W1986011193
- Cited by
- 169
- References
- 1
- FWCI
- 11.93
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- CoChat. (2026). Citation check: Biomaterial modification of urinary catheters with antimicrobials to give long-term broadspectrum antibiofilm activity. https://app.cochat.ai/papers/10.1016/j.jconrel.2015.01.037
- The paper
- Fisher, L. E., Hook, A. L., Ashraf, W., Yousef, A., Barrett, D. A., Scurr, D. J., Chen, X., Smith, E. F., Fay, M., Parmenter, C. D. J., Parkinson, R., & Bayston, R. (2015). Biomaterial modification of urinary catheters with antimicrobials to give long-term broadspectrum antibiofilm activity. Journal of Controlled Release. https://doi.org/10.1016/j.jconrel.2015.01.037
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
