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Updated: Jan 21, 2026

Implementation of In Vitro Drug Resistance Assays: Maximizing the Potential for Uncovering Clinically Relevant Resistance Mechanisms
Published on: December 9, 2015
Management of Resistant Trichomoniasis
Cynthia Alessio1, Paul Nyirjesy2
1Department of Obstetrics and Gynecology, Drexel University College of Medicine, 245 N. 15th St. MS 495, Philadelphia, PA, 19102, USA.
Drug-resistant Trichomonas vaginalis infections are a growing concern. High-dose metronidazole or tinidazole, and alternative therapies show promise for treating resistant trichomoniasis.
Area of Science:
- Infectious Diseases
- Parasitology
- Public Health
Background:
- Trichomonas vaginalis is the most common sexually transmitted parasite in the USA.
- Emerging resistance to standard therapies necessitates new treatment strategies.
Purpose of the Study:
- To review current diagnostic methods and emerging treatment options for resistant Trichomonas vaginalis infections.
- To highlight the public health implications of drug-resistant trichomoniasis.
Main Methods:
- Review of recent advancements in the diagnosis of trichomoniasis.
- Evaluation of established and novel therapeutic regimens for resistant infections.
Main Results:
- Nucleic acid amplification tests (NAATs) have improved diagnostic sensitivity and specificity.
- High-dose metronidazole or tinidazole are recommended for resistant cases.
- Alternative treatments like high-dose tinidazole/paromomycin cream, boric acid, and metronidazole/miconazole show potential.
Conclusions:
- Resistant trichomoniasis poses a significant public health challenge.
- Further research is needed to understand resistance mechanisms and optimize treatment protocols.
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