Abstract
The first-line treatment approach of Meibomian gland dysfunction (MGD) comprises conservative management, but antibiotics with anti-inflammatory properties are recommended in severe or persistent cases. Oral doxycycline and oral azithromycin are commonly used antibiotics for managing MGD. However, a systematic review and meta-analysis comparing their efficacy and safety is needed. This study adhered to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines and included randomized controlled trials (RCTs) focusing on patients with MGD. The primary outcomes assessed were symptom score, sign score, and overall clinical response. Adverse events were also evaluated. Multiple databases were comprehensively searched, and data extraction and quality assessment were performed by two independent authors. Four trials and a quasi-experimental study involving 612 participants/eyes were included. Meta-analysis showed a statistically significantly lower mean sign score in the oral azithromycin group than in the doxycycline group. However, one RCT reported a lower mean symptom score in the doxycycline group. No significant differences were found in the means of total scores between the two groups. Systemic adverse events such as nausea, abdominal cramps, decrease in appetite, and diarrhea were more prevalent in the doxycycline group. The systematic review and meta-analysis suggest that oral azithromycin may be more effective in reducing signs of MGD than oral doxycycline. However, the results regarding symptom scores and total scores were inconclusive. Azithromycin also demonstrated a better safety profile with fewer gastrointestinal adverse events. Further research is needed to determine the optimal antibiotic treatment for MGD.
Published Version
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