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Updated: Jun 6, 2026

12:21
Fabrication and Characterization of Griffithsin-modified Fiber Scaffolds for Prevention of Sexually Transmitted Infections
Published on: October 31, 2017
Advances in microbicide vaginal rings.
R Karl Malcolm1, Karen-Leigh Edwards, Patrick Kiser
1School of Pharmacy, Medical Biology Centre, Queen's University Belfast, Belfast, UK. k.malcolm@qub.ac.uk
Antiviral Research
|November 27, 2010
Summary
Vaginal ring technology offers a novel approach for sustained drug delivery. This method is being explored for developing effective HIV microbicides to prevent transmission.
Area of Science:
- Pharmacology
- Drug Delivery Systems
- Infectious Disease Prevention
Background:
- Vaginal ring devices are established for hormonal therapies, offering sustained release.
- There is growing interest in adapting this technology for microbicide delivery.
- Conventional microbicide formulations face challenges with user compliance and timing.
Purpose of the Study:
- To provide an overview of vaginal ring technologies.
- To review advances in using vaginal rings for HIV microbicide delivery.
- To discuss challenges and future directions for microbicide rings.
Main Methods:
- Review of existing vaginal ring technologies.
- Analysis of recent research on microbicide-eluting vaginal rings.
- Discussion of formulation and delivery considerations for HIV prevention.
Main Results:
- Vaginal rings can provide sustained release of actives over extended periods.
- Coitally independent microbicide rings address compliance and timing issues.
- Development aims to maintain effective microbicide concentrations for weeks or months.
Conclusions:
- Vaginal ring technology holds significant promise for HIV microbicide delivery.
- This approach can improve user compliance and effectiveness compared to other formulations.
- Further research and development are ongoing for optimized microbicide rings.
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