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. 2020 Apr 14;15(4):e0231573. doi: 10.1371/journal.pone.0231573

Table 4. Incidence of adverse events by treatment group and total in randomized double-blind, placebo-controlled study.

System Organ Class P60.4Ac Placebo Total
Preferred Term n (%) n (%) n (%)
Cardiac disorders 1 (6%) 0 (0%) 1 (3%)
Arrhythmia 1 (6%)a 0 (0%) 1 (3%)
Ear and labyrinth disorders 1 (6%) 4 (25%) 5 (15%)
Ear canal stenosis 0 (0%) 1 (6%)b 1 (3%)
Otolgia (ear pain) 1 (6%) 2 (13%) 3 (9%)
Tinitis 0 (0%) 1 (6%) 1 (3%)
Eye disorders 1 (6%) 1 (6%) 2 (6%)
Conjunctivitis 0 (0%) 1 (6%) 1 (3%)
Eye inflammation 1 (6%) 0 (0%) 1 (3%)
Gastrointestinal disorders 0 (0%) 1 (6%) 1 (3%)
Food poisoning 1 (6%) 1 (6%)a 1 (3%)
Infections and infestations 8 (47%) 3 (19%) 11 (33%)
Bronchitis viral 1 (6%) 0 (0%) 1 (3%)
Erysipelas 0 (0%) 1 (6%) 1 (3%)
Gastroenteritis viral 1 (6%) 0 (0%) 1 (3%)
Nasopharyngitis 1 (6%) 0 (0%) 1 (3%)
Otitis externa 2 (12%) 0 (0%) 2 (6%)
Otitis media 2 (12%)b 1 (6%)b 3 (9%)
Otitis media acute 0 (0%) 1 (6%)b 1 (3%)
Sinusitis 1 (6%) 0 (0%) 1 (3%)
Investigations 2 (12%) 2 (13%) 4 (12%)
Biopsy 1 (6%) 0 (0%) 1 (3%)
Blood bilirubin increased 0 (0%) 1 (6%) 1 (3%)
Red blood cell sedimentation rate increased 1 (6%) 1 (6%) 2 (6%)
Nervous system disorders 2 (12%) 3 (19%) 5 (15%)
Convulsion 0 (0%) 1 (6%) 1 (3%)
Headache 2 (12%) 1 (6%)b 3 (9%)
Transient ischaemic attack 0 (0%) 1 (6%)a 1 (6%)
Respiratory disorders 2 (12%) 0 (0%) 2 (6%)
Dyspnoea 1 (6%) 0 (0%) 1 (3%)
Pharyngolaryngeal pain 1 (6%) 0 (0%) 1 (3%)
Skin and subcutaneous disorders 0 (0%) 2 (13%) 2 (6%)
Erythema 0 (0%) 1 (6%) 1 (3%)
Excessive granulation tissue 0 (0%) 1 (6%) 1 (3%)
Total 17 16 33
Any subject with AE 10 (59%) 13 (81%) 23 (70%)

a Event reported as serious adverse event (SAE)

b Event reported as treatment-related event

Totals per system organ class are presented in bold