Table 3 Primary and key secondary efficacy end points

From: Real-world effectiveness of an intranasal spray A8G6 antibody cocktail in the post-exposure prophylaxis of COVID-19

End points

A8G6 (n = 178)

Control (n = 340)

Primary end point

SARS-CoV-2 confirmed by RT-qPCR

No. of participants (%)

12 (6.9%)

151 (44.4%)

Hazard ratio (95% CI)

0.12 (0.07–0.22)

-

log rank P value

3.95E-21

-

Days to SARS-CoV-2 confirmed

Total No. of days

41

392

Mean days to SARS-CoV-2 confirmed (days)

3.4

2.6

P value

0.019

-

Key secondary end points

High viral load at SARS-CoV-2 confirmed, ORF1ab > 105 copies/ml

No. of participants (%)

5 (41.7%)

69 (45.7%)

P value

1.000

-

High viral load at SARS-CoV-2 confirmed, N > 105 copies/ml

No. of participants (%)

5 (41.7%)

100 (66.2%)

P value

0.117

-

SARS-CoV-2 negative conversion

No. of participants (%)

12 (100.0%)

151 (100.0%)

Hazard ratio (95% CI)

0.98 (0.54–1.77)

-

log rank P value

0.946

-

Duration of SARS-CoV-2 positive (day)

Total No. of days

80

917

Mean days of SARS-CoV-2 positive duration

6.7

6.3

P value

0.724

-

  1. Shown are primary and key secondary efficacy of the intranasal spray A8G6 antibody cocktail. All participants who were recruited in our trail and received A8G6 treatment or no treatment (in the control group). CI denotes confidence interval