Fig. 3
From: An evidence mapping and analysis of registered COVID-19 clinical trials in China
A multidimensional plot for the relationship between test drugs, outcomes, and disease severity. Each circle or triangle represents one type of intervention specified in the corresponding row. (1) Circle and triangle size: number of studies evaluating each intervention (larger = more studies). (2) Circle color: stage of disease (green for mild, blue for moderate, red for severe). Biological agents: interferon alfa, thymosin, vMIP, stem cell-based medicinal products, novaferon, plasma therapy, tocilizumab, camrelizumab, and immunoglobulin. Antiviral drugs: Arbidol tablets, chloroquine phosphate tablets, ritonavir, lopinavir, hydroxychloroquine, chloroquine, baloxavir marboxil, emtricitabine, polyinosinic-polycytidylic acid injection, favipiravir, oseltamivir, remdesivir, darunavir, cobicistat, and ribavirin. Hormone drugs: methylprednisolone. TCM: clearing lung formula (Qing Fei Fang), ginseng, poria and Atractylodes macrocephalae powder (Shēn Líng Bái Zhú Săn), instant relief for cough syrup (Ke Su Ting Tang Jiang), Chinese medicine formulas 1 and 2 (Zhong Yao 1 Hao and 2 Hao), cough cleared capsules (Ke Qing Capsules), clearing both common cold and cough capsules (Gan Ke Shuang Qing Capsules), antiviral oral liquid, the Radix Fici Hirtae preventing COVID-19 formula (WuZhi Fang Guan Fang) antiviral particles, YinHu QingWen decoction, relief for heat and toxin injection (Re Du Ning Zhu She Ji), relief for inflammation injection (Xi Yan Ping Injection), ginseng and Radix Astragali reinforcing health injection (Shen Qi Fu Zheng Injection), and others not provided