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All Studies   Meta Analysis    Recent:   

Efficacy of zinc given as an adjunct to the treatment of severe pneumonia: A meta-analysis of randomized, double-blind and placebo-controlled trials

Wang et al., The Clinical Respiratory Journal, doi:10.1111/crj.12646
May 2017  
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Zinc for COVID-19
2nd treatment shown to reduce risk in July 2020
 
*, now with p = 0.00000064 from 45 studies, recognized in 17 countries.
No treatment is 100% effective. Protocols combine treatments. * >10% efficacy, ≥3 studies.
4,300+ studies for 77 treatments. c19early.org
Meta analysis of 6 randomized, double-blind, placebo-controlled trials with 2,216 severe pneumonia patients showing that zinc given as an adjunct therapy significantly reduced mortality caused by severe pneumonia.
6 meta analyses show significant improvements with zinc for mortality1-5, severity6, and cases6.
Currently there are 45 zinc treatment for COVID-19 studies, showing 30% lower mortality [12‑44%], 40% lower ventilation [2‑63%], 24% lower ICU admission [-5‑46%], 20% lower hospitalization [4‑34%], and 22% fewer cases [-10‑45%].
Wang et al., 31 May 2017, peer-reviewed, 2 authors.
This PaperZincAll
Efficacy of zinc given as an adjunct to the treatment of severe pneumonia: A meta‐analysis of randomized, double‐blind and placebo‐controlled trials
Linlin Wang, Yuanlin Song
The Clinical Respiratory Journal, doi:10.1111/crj.12646
Background: Pneumonia is a major cause of morbidity and mortality of children. Zinc is known to play a central role in the immune system. The deficiency of zinc increased susceptibility to infectious diseases. Objective: To investigate the clinical efficacy of zinc given as an adjunct therapy to the treatment of severe pneumonia. Methods: The PubMed, Embase, MEDLINE TM and the Cochrane Central Register of Controlled Trials were searched to identify all randomized, double-blind and placebo-controlled (DBPC) trials which evaluated the clinical efficacy of zinc given as an adjunct in the treatment of severe pneumonia and published between January 1966 and October 2015. Results: Six randomized DBPC trials including 2216 patients with severe pneumonia were eligible. The results suggested that zinc given as an adjunct therapy to the treatment of severe pneumonia had no significant improvement of treatment failure (RR 5 0.97, P 5 .71) and change of antibiotic therapy (RR 5 1.09, P 5 .52). We also found a favorable trend for clinical deterioration of severe pneumonia but with no statistical significance (RR 5 0.88, P 5 .55). Zinc produced a significant reduction in mortality caused by severe pneumonia (RR 5 0.43, P 5 .01). Conclusions: Zinc given as an adjunct to the treatment of severe pneumonia is effective in reducing the mortality of severe pneumonia, and has no significant effects on treatment failure and change of antibiotic therapy.
CONFLICT OF INTEREST The authors had no conflicts of interest to declare in relation to this article. AUTHOR CONTRIBUTIONS Searched the database, judged study eligibility, extracted data and did the meta-analysis and drafted the article: Wang Designed the study and revised this paper: Song All authors have read and approve this version of the article.
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