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Published on: October 27, 2013
Antiamoebic drugs for treating amoebic colitis.
Maria Liza M Gonzales1, Leonila F Dans, Elizabeth G Martinez
1Department of Pediatrics, College of Medicine-Philippine General Hospital, University of the Philippines, Taft Avenue, Manila, National Capital Region, Philippines, 1000. lizmgonzales@yahoo.com
The Cochrane Database of Systematic Reviews
|April 17, 2009
Summary
Tinidazole is more effective than metronidazole for treating amoebic colitis, with fewer side effects. Combination therapy also shows promise for reducing parasitic infections.
Area of Science:
- Infectious Diseases
- Clinical Pharmacology
Background:
- Entamoeba histolytica infection is a significant health issue in developing nations, causing substantial mortality from severe amoebic colitis.
- Effective therapy is crucial to mitigate disease severity, prevent complications, and reduce transmission.
Purpose of the Study:
- To systematically evaluate the efficacy and safety of various antiamoebic drugs for treating amoebic colitis.
Main Methods:
- A comprehensive search of multiple databases and grey literature was conducted for randomized controlled trials (RCTs).
- Eligibility criteria included RCTs comparing antiamoebic drugs (alone or combined) against placebo or other antiamoebic agents in adults and children.
- Data extraction and analysis involved assessing clinical and parasitological failure rates, relapse, and adverse events using random-effects models.
Main Results:
- Thirty-seven trials with 4487 participants were included, though most trials exhibited poor methodological quality.
- Tinidazole demonstrated superior efficacy in reducing clinical failure and adverse events compared to metronidazole.
- Combination therapy showed a higher efficacy in reducing parasitological failure than metronidazole monotherapy.
Conclusions:
- Tinidazole appears more effective and safer than metronidazole for amoebic colitis, and combination therapy may improve parasitological outcomes.
- However, the poor quality of existing trials introduces uncertainty, necessitating further high-quality research.
- Development of more accurate diagnostic tests for E. histolytica is also recommended.
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