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Home   COVID-19 treatment studies for Quercetin  COVID-19 treatment studies for Quercetin  C19 studies: Quercetin  Quercetin   Select treatmentSelect treatmentTreatmentsTreatments
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All Studies   Meta Analysis   Recent: 
0 0.5 1 1.5 2+ Recovery 29% Improvement Relative Risk Recovery time 18% c19quercetin.com Zupanets et al. Quercetin for COVID-19 RCT LATE TREATMENT Favors quercetin Favors control
Zupanets, 200 patient quercetin late treatment RCT: 29% improved recovery [p=0.5] https://c19p.org/zupanets
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Quercetin effectiveness in patients with COVID-19 associated pneumonia
Zupanets et al., Zaporozhye Med. J., doi:10.14739/2310-1210.2021.5.231714
1 Sep 2021    Source   PDF   Share   Tweet
RCT 200 patients in Ukraine, 99 treated with IV quercetin/polyvinylirolidone followed by oral quercetin/pectin, showing improved recovery with treatment.
risk of no recovery, 29.4% lower, RR 0.71, p = 0.50, treatment 9 of 99 (9.1%), control 13 of 101 (12.9%), NNT 26.
recovery time, 18.2% lower, relative time 0.82, p = 0.03, treatment 99, control 101.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Zupanets et al., 1 Sep 2021, Randomized Controlled Trial, Ukraine, peer-reviewed, 14 authors.
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is less effective
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