Efficacy and Safety of Andrographolide and Favipiravir Versus Favipiravir Monotherapy in Patients with Mild COVID-19 Infection: A Multicenter Randomized Controlled Trial
Abstract
Reports indicate that Andrographolide inhibits viral replication and reduces COVID-19 symptoms. This study aimed to determine Andrographolide's additional effect and safety in mild COVID-19 patients treated with favipiravir. A multicenter, open-labeled, randomized controlled trial was conducted from October 2021 to February 2022. The patients were randomized to receive a combination of Andrographolide and favipiravir or favipiravir monotherapy. The primary outcome was the occurrence rate of severe pneumonia. The secondary outcomes were symptom improvement, inflammatory biomarkers, and adverse events on days 7 and 14. 82 mild COVID-19 patients were enrolled; 43 and 39 patients received either combination therapy or favipiravir alone. Baseline characteristics were comparable. None developed severe pneumonia, requiring a mechanical ventilator. The Andrographolide group had a significant reduction of cough compared to the controlled group; 13 (30.2%) vs. 22 (56.4%), p = 0.017 on day 7 and 4 (9.3%) vs. 7 (17.9%), p = 0.025 on day 14. Moreover, the Andrographolide group had significantly lower levels of inflammatory markers on day 7, CRP (5.8 vs. 18.4 mg/L; p = 0.019) and IL-6 (2.0 vs. 21.8 pg/mL; p = 0.001) but not on day 14. Regarding safety outcomes, the Andrographolide group had significantly higher AST levels on day 7 (40.3 vs. 32.2 U/L; p = 0.030) and both AST and ALT levels on day 14 (55.3 vs. 32.0; p = 0.014 and 63.8 vs. 40.0; p = 0.022, respectively). In mild COVID-19…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 43 participants or records.
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