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Supplementary Data — Niclosamide reduces COVID-19 risk: real-time meta analysis of 7 studies
@CovidAnalysis
, December 2025,
Version 7
V7
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https://c19early.org/ncmeta.html
0
0.25
0.5
0.75
1
1.25
1.5
1.75
2+
Cairns (DB RCT)
66%
0.34 [0.01-7.98]
severe case
0/33
1/34
Improvement, RR [CI]
Treatment
Control
Cairns (DB RCT)
18%
0.82 [0.58-1.17]
recov. time
33 (n)
34 (n)
Cairns (DB RCT)
24%
0.76 [0.41-1.39]
viral+
11/33
15/34
FINCOV
Siripongbo.. (RCT)
0%
1.00 [0.07-15.3]
progression
1/30
1/30
CT
1
FINCOV
Siripongbo.. (RCT)
67%
0.33 [0.01-7.87]
progression
0/30
1/30
CT
1
FINCOV
Siripongbo.. (RCT)
39%
0.61 [0.28-1.29]
symp. score
30 (n)
30 (n)
CT
1
FINCOV
Siripongbo.. (RCT)
70%
0.30 [0.09-0.99]
symp. score
30 (n)
30 (n)
CT
1
FINCOV
Siripongbo.. (RCT)
14%
0.86 [0.61-1.20]
symp. score
30 (n)
30 (n)
CT
1
FINCOV
Siripongbo.. (RCT)
67%
0.33 [0.03-4.37]
symp. score
30 (n)
30 (n)
CT
1
FINCOV
Siripongbo.. (RCT)
50%
0.50 [0.13-1.95]
symp. score
30 (n)
30 (n)
CT
1
FINCOV
Siripongbo.. (RCT)
6%
0.94 [0.65-1.35]
viral+
30 (n)
30 (n)
CT
1
Kim (DB RCT)
29%
0.71 [0.55-0.92]
recov. time
99 (n)
98 (n)
Kim (DB RCT)
33%
0.67 [0.46-0.97]
recov. time
99 (n)
98 (n)
Kim (DB RCT)
25%
0.75 [0.53-1.07]
recov. time
96 (n)
98 (n)
Kim (DB RCT)
4%
0.96 [0.71-1.30]
recov. time
99 (n)
98 (n)
Kim (DB RCT)
22%
0.78 [0.50-1.22]
recov. time
99 (n)
98 (n)
Kim (DB RCT)
-7%
1.07 [0.80-1.44]
recov. time
96 (n)
98 (n)
Kim (DB RCT)
56%
0.44 [0.14-1.39]
viral load
99 (n)
98 (n)
Kim (DB RCT)
26%
0.74 [0.10-5.35]
viral load
99 (n)
98 (n)
Kim (DB RCT)
66%
0.34 [0.08-1.39]
viral load
96 (n)
98 (n)
Abdulamir (RCT)
0%
1.00 [0.21-4.80]
death
3/75
3/75
Abdulamir (RCT)
39%
0.61 [0.43-0.87]
no recov.
75 (n)
75 (n)
RESERVOIR
First Wa.. (DB RCT)
23%
0.77 [0.33-1.82]
viral+
8/60
10/58
RESERVOIR
First Wa.. (DB RCT)
33%
0.67 [0.31-1.44]
viral+
9/60
13/58
RESERVOIR
First Wa.. (DB RCT)
42%
0.58 [0.28-1.22]
viral+
9/60
15/58
RESERVOIR
First Wa.. (DB RCT)
28%
0.72 [0.38-1.40]
viral+
12/60
16/58
RESERVOIR
First Wa.. (DB RCT)
23%
0.77 [0.49-1.23]
viral+
20/60
25/58
RESERVOIR
First Wa.. (DB RCT)
1%
0.99 [0.76-1.29]
viral+
39/60
38/58
RESERVOIR
First Wa.. (DB RCT)
-3%
1.03 [0.88-1.19]
viral+
52/60
49/58
Rank (DB RCT)
30%
0.70 [0.13-3.78]
death
2/22
3/23
Rank (DB RCT)
70%
0.3 [0.00-9e+23]
recov. time
23 (n)
23 (n)
Rank (DB RCT)
-6%
1.06 [0.46-2.47]
recov. time
23 (n)
23 (n)
Rank (DB RCT)
57%
0.4 [0.00-4e+20]
no disch.
23 (n)
23 (n)
Rank (DB RCT)
0%
1.00 [0.90-1.11]
viral time
23 (n)
23 (n)
PROTECT-V
Humphrey (DB RCT)
0%
1.00 [0.14-7.07]
death
2/826
2/825
PROTECT-V
Humphrey (DB RCT)
80%
0.20 [0.01-4.16]
ventilation
0/826
2/825
PROTECT-V
Humphrey (DB RCT)
13%
0.87 [0.41-1.81]
hosp.
13/826
15/825
PROTECT-V
Humphrey (DB RCT)
-2%
1.02 [0.79-1.32]
symp. case
103/826
133/825
Niclosamide COVID-19 outcomes
c19
early
.org
December 2025
1
CT: study uses combined treatment
Favors niclosamide
Favors control
Fig. S1.
All outcomes.