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All Studies   Meta Analysis    Recent:   

Effect of vitamin A supplementation on the outcome severity of COVID-19 in hospitalized patients: A pilot randomized clinical trial

Somi et al., Nutrition and Health, doi:10.1177/02601060221129144, IRCT20170117032004N3
Oct 2022  
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Mortality -50% Improvement Relative Risk Ventilation 0% ICU admission 25% Time to clinical response -76% Hospitalization time -8% Vitamin A  Somi et al.  LATE TREATMENT  RCT Is late treatment with vitamin A beneficial for COVID-19? RCT 30 patients in Iran (April - July 2020) Trial underpowered for serious outcomes c19early.org Somi et al., Nutrition and Health, Oct 2022 Favorsvitamin A Favorscontrol 0 0.5 1 1.5 2+
Vitamin A for COVID-19
42nd treatment shown to reduce risk in June 2023
 
*, now with p = 0.021 from 14 studies.
Lower risk for recovery and cases.
No treatment is 100% effective. Protocols combine treatments. * >10% efficacy, ≥3 studies.
4,800+ studies for 95 treatments. c19early.org
RCT 30 hospitalized patients in Iran, showing no significant difference with vitamin A treatment. All patients received HCQ. 50,000 IU/day intramuscular vitamin A for up to 2 weeks.
risk of death, 50.0% higher, RR 1.50, p = 1.00, treatment 3 of 15 (20.0%), control 2 of 15 (13.3%).
risk of mechanical ventilation, no change, RR 1.00, p = 1.00, treatment 3 of 15 (20.0%), control 3 of 15 (20.0%).
risk of ICU admission, 25.0% lower, RR 0.75, p = 1.00, treatment 3 of 15 (20.0%), control 4 of 15 (26.7%), NNT 15.
time to clinical response, 76.0% higher, HR 1.76, p = 0.21, treatment 15, control 15, Kaplan–Meier.
hospitalization time, 8.1% higher, relative time 1.08, p = 0.49, treatment mean 7.33 (±2.31) n=15, control mean 6.78 (±1.84) n=15.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Somi et al., 7 Oct 2022, Randomized Controlled Trial, Iran, peer-reviewed, mean age 60.2, 7 authors, study period April 2020 - July 2020, trial IRCT20170117032004N3. Contact: znikniaz@hotmail.com.
This PaperVitamin AAll
Effect of vitamin A supplementation on the outcome severity of COVID-19 in hospitalized patients: A pilot randomized clinical trial
Mohammad Hossein Somi, Masood Faghih Dinevari, Ali Taghizadieh, Mojtaba Varshochi, Elham Sadeghi Majd, Samaneh Abbasian, Zeinab Nikniaz
Nutrition and Health, doi:10.1177/02601060221129144
Introduction: Vitamin A is one of the vitamins that is suggested as adjuvant therapy in viral infections due to its immune enhancing role. In the present clinical trial, we intended to assess the effect of vitamin A supplementation on Coronavirus disease-2019 (COVID-19) in hospitalized patients. Methods: The present pilot randomized controlled clinical trial was conducted on 30 hospitalized patients with COVID-19. Patients in the intervention group received 50000 IU/day intramuscular vitamin A for a maximum of two weeks. Patients in the control group continued their common treatment protocols. All participants were followed up until discharge from the hospital or death. The primary outcome of the study was time to achieve clinical response based on the six classes of an ordinal scale. Time to clinical response was calculated based on the days needed to improve two scores on the scale or patient's discharge. Results: The time to clinical response was not significantly different between the two groups (7.23 ± 2.14 vs. 6.75 ± 1.85 days, respectively, p = 0.48). There was no significant difference between the groups regarding clinical response (hazard ratio: 1.76 [95% CI: 0.73, 4.26]). There were no significant differences between groups regarding the need for mechanical ventilation, duration of hospitalization, or death in the hospital. Conclusion: The results of this pilot clinical trial showed no benefit of vitamin A compared with the common treatment on outcome severity in hospitalized patients with COVID-19. Although the results are negative, there is still a great need for future clinical studies to provide a higher level of evidence.
Declaration of conflicting interests The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article. Ethics approval and consent to participate This study was conducted according to the guidelines laid down in the Declaration of Helsinki and all procedures involving research study participants were approved by the Ethics Committee of Tabriz University of Medical Sciences (Ethics code: IR.TBZMED.REC.1398.1305). Written informed consent was obtained from all participants. In addition, the protocol of the trial was registered in IRCT (IRCT20170117032004N3).
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Late treatment
is less effective
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