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Home   COVID-19 treatment studies for Vitamin C  COVID-19 treatment studies for Vitamin C  C19 studies: Vitamin C  Vitamin C   Select treatmentSelect treatmentTreatmentsTreatments
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All Studies   Meta Analysis   Recent: 
0 0.5 1 1.5 2+ ICU admission 46% Improvement Relative Risk Hospitalization time 1% c19vitaminc.com Hakamifard et al. Vitamin C for COVID-19 RCT LATE Favors vitamin C Favors control
Hakamifard, 72 patient vitamin C late treatment RCT: 46% lower ICU admission [p=0.46] and 1% shorter hospitalization [p=0.82] https://c19p.org/hakamifard
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The effect of vitamin E and vitamin C in patients with COVID-19 pneumonia; a randomized controlled clinical trial
Hakamifard et al., Immunopathologia Persa, doi:10.34172/ipp.2021.xx
14 Apr 2021    Source   PDF   Share   Tweet
RCT with 38 patients treated with vitamin C and vitamin E, and 34 control patients, showing lower ICU admission with treatment, but not statistically significant.
risk of ICU admission, 46.3% lower, RR 0.54, p = 0.46, treatment 3 of 38 (7.9%), control 5 of 34 (14.7%), NNT 15.
hospitalization time, 1.0% lower, relative time 0.99, p = 0.82, treatment 38, control 34.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Hakamifard et al., 14 Apr 2021, Randomized Controlled Trial, Iran, peer-reviewed, 8 authors, this trial uses multiple treatments in the treatment arm (combined with vitamin E) - results of individual treatments may vary.
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Late treatment
is less effective
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