2 deuremidevir COVID-19 controlled studies, 1 RCTs
11% improvement
for early treatment, RR
0.89
[0.79-1.01]
Supplementary Data — Deuremidevir for COVID-19: real-time meta analysis of 2 studies
0
0.25
0.5
0.75
1
1.25
1.5
1.75
2+
Shen
11%
0.89 [0.79-1.01]
viral time
60 (n)
76 (n)
Improvement, RR [CI]
Treatment
Control
Shen
23%
0.77 [0.66-0.90]
viral time
32 (n)
76 (n)
Shen
-3%
1.03 [0.89-1.19]
viral time
28 (n)
76 (n)
Fan (DB RCT)
67%
0.33 [0.01-8.18]
severe case
0/646
1/650
Fan (DB RCT)
15%
0.85 [0.75-0.96]
recovery
646 (n)
650 (n)
Fan (DB RCT)
14%
0.86 [0.70-1.05]
no recov.
133/646
156/650
Fan (DB RCT)
24%
0.76 [0.63-0.93]
viral load
99 (n)
107 (n)
Deuremidevir COVID-19 outcomes
c19 early .org
December 2025
Favors deuremidevir
Favors control
Fig. S2. Comparison of results for RCTs versus observational studies.
For COVID-19 treatments, there is no significant difference between the results of RCTs and observational studies. Observational studies do not systematically over or underestimate efficacy. For high-cost treatments, there is a non-significant trend towards RCTs showing greater efficacy.
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