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0 0.5 1 1.5 2+ Mortality 87% Improvement Relative Risk Hospitalization time 18% Tehrani et al. Vitamin C for COVID-19 RCT LATE TREATMENT Is late treatment with vitamin C beneficial for COVID-19? RCT 44 patients in Iran Lower mortality (p=0.13) and shorter hospitalization (p=0.23), not stat. sig. Tehrani et al., Urology J., doi:10.22037/uj.v18i.6863 Favors vitamin C Favors control
An investigation into the Effects of Intravenous Vitamin C on Pulmonary CT Findings and Clinical Outcomes of Patients with COVID 19 Pneumonia A Randomized Clinical Trial
Tehrani et al., Urology Journal, doi:10.22037/uj.v18i.6863
Tehrani et al., An investigation into the Effects of Intravenous Vitamin C on Pulmonary CT Findings and Clinical Outcomes of.., Urology Journal, doi:10.22037/uj.v18i.6863
Nov 2021   Source   PDF  
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RCT 54 late stage patients, 18 treated with IV vitamin C (2g every 6h for 5 days), showing significant relative improvements in oxygen saturation and respiratory rate.
risk of death, 87.1% lower, RR 0.13, p = 0.13, treatment 0 of 18 (0.0%), control 4 of 26 (15.4%), NNT 6.5, relative risk is not 0 because of continuity correction due to zero events (with reciprocal of the contrasting arm).
hospitalization time, 17.6% lower, relative time 0.82, p = 0.23, treatment 18, control 26.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Tehrani et al., 8 Nov 2021, Randomized Controlled Trial, Iran, peer-reviewed, 10 authors, average treatment delay 9.0 days.
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This PaperVitamin CAll
Abstract: An investigation into the effects of intravenous vitamin C on pulmonary CT findings and clinical outcomes of patients with COVID 19 pneumonia A Randomized Clinical Trial Shabnam Tehrani 1 ,Davood Yadegarynia 2, Alireza Abrishami 3 , Hamideh Moradi 1, Babak Gharaei 4, Masoomeh Raoufi 5, Fatemeh Maghsudi nejad 6, Shahnaz Sali 2, Neda Khabiri 1, Sara Abolghasemi 2* 1. Labbafinejad Clinical Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran 2. Infectious Diseases and Tropical Medicine Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran 3. Assistant Professor of Radiology, Department of Radiology, Shahid Labbafinejad hospital,Shahid Beheshti University of Medical Sciences,Tehran,Iran 4. Anesthesiology department, school of medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran 5. Department of radiology, school of medicine, Imam Hossein hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran; 6. School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran *Corresponding author: Sara Abolghasemi, . Infectious Diseases and Tropical Medicine Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran Abstract: Purpose:In late December 2019, a series of unexplained cases of pneumonia were reported in Wuhan, China. On January 12, 2020, the World Health Organization temporarily named the virus responsible for the emerging cases of pneumonia as the 2019 coronavirus. Acute respiratory distress syndrome (ARDS) due to Covid-19 has rapidly spread around the world, and while no specific treatment or vaccine has been reported, mortality rates remain high. One of the suggested treatments for cellular damage in the pathogenesis of ARDS caused by the coronavirus is the administration of high doses of intravenous vitamin C. Considering the paucity of literature on the therapeutic effects of high doses of intravenous vitamin C in patients with ARDS resulting from the coronavirus, this study was conducted to assess this therapeutic supplement in these patients. Materials and Methods: This study was performed as a single-center clinical trial in patients with a documented diagnosis of COVID-19 pneumonia. 54 eligible patients with moderate to severe COVID-19 symptoms, based on specific inclusion and exclusion criteria, were included in the investigation and randomly divided into two groups. The control group consisted of 26 patients who received standard treatment, whereas the treatment group was comprised of 18 patients administered intravenous vitamin C at a dose of 2 g every 6 hours for 5 days in addition to standard treatment. Demographic characteristics, underlying diseases, length of hospital stay, and mortality rates were reviewed and collected. Oxygen saturation, respiratory rates, serum C Reactive Protein (CRP) levels, lymphopenia and lung parenchymal involvement on CT were investigated at the time of admission and on the sixth day after hospitalization. Finally, all variables were analyzed with IBM SPSS Statistics 23 software and a significant statistical difference was defined for all variables, P <0.05. Results: Of these variables, the amount of oxygen saturation in the vitamin C group increased significantly from 86±5% on the first day of hospitalization to 90±3% on the sixth day of hospitalization (P value=0.02). Also, the respiratory rate in the vitamin C group decreased significantly from 27±3..
Late treatment
is less effective
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