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Home   COVID-19 treatment studies for Vitamin A  COVID-19 treatment studies for Vitamin A  C19 studies: Vitamin A  Vitamin A   Select treatmentSelect treatmentTreatmentsTreatments
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0 0.25 0.5 0.75 1 1.25 1.5 1.75 2+ Progression 67% Improvement Relative Risk Recovery time 38% no CI c19early.com/alsumiadai.html Favors vitamin A Favors control
31 January 2021 - Early treatment study
Therapeutic effect of vitamin A on COVID-19 patients and its prophylactic effect on contacts
Al-Sumiadai, Systematic Reviews in Pharmacy, 12:1 (Preprint)
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Treatment and prophylaxis studies of vitamin A in Iraq.
The treatment study contained 100 patients, 50 treated with 200,000IU vitamin A for two days, showing lower progression to severe disease, and shorter duration of symptoms.
The prophylaxis study contained 209 contacts of COVID-19 patients, 97 treated with vitamin A, showing significantly lower cases with treatment, and shorter duration of symptoms.
risk of progression, 66.7% lower, RR 0.33, p = 0.27, treatment 2 of 50 (4.0%), control 6 of 50 (12.0%), NNT 13, progression to severe disease.
recovery time, 37.5% lower, relative time 0.62, treatment 50, control 50.
Effect extraction follows pre-specified rules prioritizing more serious outcomes.
Al-Sumiadai et al., 1/31/2021, prospective, Iraq, Middle East, preprint, 3 authors.
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