Randomized, Double -Blind, Placebo Controlled, Trial to Evaluate the Effect of Zinc and Ascorbic Acid Supplementation in COVID-19 Positive Hospitalized Patients in BSMMU

Sharmin et al., NCT04558424, NCT04558424, Sep 2021

Zinc for COVID-19

2nd treatment shown to reduce risk in July 2020, now with p = 0.00000013 from 40 studies, recognized in 23 countries.

No treatment is 100% effective.
Protocols combine treatments.

Estimated 50 patient zinc late treatment RCT with results not reported over 5 years after estimated completion.
4 zinc RCTs have results missing long after expected1-4
The trials report a total of 900 patients, with 1 trial having actual enrollment of 150, and the remainder estimated.
Study covers vitamin C and zinc.
Sharmin et al., 1 Sep 2021, Double Blind Randomized Controlled Trial, placebo-controlled, Bangladesh, trial NCT04558424 (history). Contact: elora.sharmin@bsmmu.edu.bd.
Late treatment
is less effective