A systematic review and meta-analysis of comparative clinical studies on antibiotic treatment of brucellosis
Abstract
Brucellosis is a difficult to treat infection that requires antibiotic combinations administered over several weeks for clearance of infection and relapse prevention. This systematic review summarizes current evidence for antibiotic treatment of human brucellosis. PubMed, EMBASE, Scopus, CINAHL, Web of Science, and China Academic Journal databases were searched for prospective studies that had compared different antibiotic regimens for treating human brucellosis in the last 25 years. Thirty-four studies recruiting 4182 participants were eligible. Standard dual therapy with doxycycline + rifampicin had a higher risk of treatment failure compared to triple therapy which added streptomycin (RR: 1.98, 95% CI 1.17-3.35, p = 0.01) or levofloxacin (RR: 2.98, 95% CI 1.67-5.32, p = 0.0002), but a similar or lower risk compared to alternative dual antibiotic combinations (p > 0.05). The same combination had a higher risk of relapses compared to triple therapy which added streptomycin (RR: 22.12, 95% CI 3.48-140.52, p = 0.001), or levofloxacin (RR: 4.61, 95% CI 2.20-9.66, p 0.05). Triple antibiotic therapy is more effective than standard dual therapy with rifampicin and doxycycline. However, the latter is also efficacious and suitable for uncomplicated disease.
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 4,182 participants or records.
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