Adjuvant Therapeutic Effects of Melatonin Agonist on Hospitalized Patients With Confirmed or Suspected COVID-19

Piovezan et al., NCT04470297, MELCOV2020, NCT04470297, Mar 2021

Melatonin for COVID-19

25th treatment shown to reduce risk in May 2021, now with p = 0.000000015 from 18 studies.

No treatment is 100% effective.
Protocols combine treatments.

Late treatment
is less effective