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In vitro evaluation of antimicrobial features of sugammadex
Volkan Hanci1, Ahmet Vural2, Sevgi Yılmaz Hanci3
1Department of Anesthesiology and Reanimation, Medical Faculty of Dokuz Eylül University, İzmir, Turkey.
Background:
Drugs administered by intravenous routes may be contaminated during several stages of production or preparation. Sugammadex is a modified gamma cyclodextrin. While research into the antibacterial effects of varieties of cyclodextrin is available, there are no studies focusing on the antibacterial effects of sugammadex. This study investigates the in vitro antimicrobial activity of sugammadex.
Materials And Methods:
The in vitro antimicrobial activity of sugammadex was investigated using the broth microdilution method. The pH of the test solution was determined using a pH meter. The test microorganisms included Staphylococcus aureus ATCC 29213, Enterococcus fecalis ATCC 29212, Escherichia coli ATCC 25922 and Pseudomonas aeruginosa ATCC 27853. In the second phase of the study 100mg/mL sugammadex (50μg) was contaminated with test microorganisms (50μg), including S. aureus ATCC 29213, E. fecalis ATCC 29212, E. coli ATCC 25922 and P. aeruginosa ATCC 27853, left to incubate for 24h and then the bacterial production in sugammadex was evaluated.
Results:
The pH of the test solutions ranged between 7.25 and 6.97. Using the microdilution method, sugammadex had no antibacterial effect on S. aureus, E. fecalis, E. coli and P. aeruginosa at any concentration. In the second phase of the study bacterial production was observed after 24h in 100mg/mL sugammadex contaminated with the test microorganisms S. aureus, E. fecalis, E. coli and P. aeruginosa.
Conclusions:
Sugammadex had no antimicrobial effect on the test microorganisms, S. aureus, E. fecalis, E. coli and P. aeruginosa. Care should be taken that sterile conditions are maintained in the preparation of sugammadex; that the same sugammadex preparation not be used for more than one patient; and that storage conditions are adhered to after sugammadex is put into the injector.
Insights
Sugammadex, a modified gamma cyclodextrin, demonstrated no antibacterial effects against common pathogens like Staphylococcus aureus and E. coli in vitro. Sterile handling is crucial to prevent contamination of sugammadex preparations.
Area of Science:
- Microbiology
- Pharmaceutical Sciences
- Drug Safety
Background:
- Intravenous drug contamination is a production risk.
- Sugammadex is a modified gamma cyclodextrin with unstudied antibacterial properties.
- This research addresses the gap in knowledge regarding sugammadex's antimicrobial activity.
Purpose of the Study:
- To investigate the in vitro antimicrobial activity of sugammadex.
- To determine if sugammadex inhibits the growth of key bacterial species.
- To assess the risk of bacterial contamination and proliferation within sugammadex solutions.
Main Methods:
- Broth microdilution method used to test sugammadex against bacteria.
- Tested microorganisms: Staphylococcus aureus, Enterococcus fecalis, Escherichia coli, Pseudomonas aeruginosa.
- Evaluated bacterial growth in sugammadex after intentional contamination and incubation.
Main Results:
- Sugammadex exhibited no antibacterial effect against tested microorganisms at any concentration.
- Bacterial production was observed in sugammadex solutions after 24-hour incubation when intentionally contaminated.
- The pH of sugammadex test solutions remained within a neutral range (6.97-7.25).
Conclusions:
- Sugammadex possesses no intrinsic antimicrobial activity against S. aureus, E. fecalis, E. coli, or P. aeruginosa.
- Strict sterile techniques are essential during sugammadex preparation and administration.
- Preventing reuse and adhering to storage guidelines are critical for patient safety.
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