Study Exclusion reasons Remarks Reference(s)
O'Brien (Part B: recently infected asymptomatic patients), 2021 randomized controlled trial

O'Brien MP et al. medrxiv;2021.06.14.21258569v1 10.1101/2021.06.14.21258569

 
CT-P59 1.2, 2020 randomized controlled trial no clinically relevant endpoint preliminary unpublished results extracted from the EMA review document. < Study carried out before the release of the omicron variant >  
Yildiz, 2021 randomized controlled trial no clinically relevant endpoint

Yildiz E Indian J Otolaryngol Head Neck Surg 2021 Jul 10;1-6. 10.1007/s12070-021-02749-9