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Bamlanivimab Nigella Sativa
Bromhexine Nitazoxanide
Budesonide Povidone-Iod..
Casirivimab/i.. Probiotics
Colchicine Proxalutamide
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Melatonin

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Melatonin study #12 of 13   All Outcomes
7/20 Late treatment study
Sánchez-González (Peer Reviewed)
What if melatonin could help COVID-19 severe patients?
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Retrospective 2,463 hospitalized patients in Spain, 265 treated with melatonin, showing lower mortality with treatment in PSM analysis, however these results are subject to immortal time bias. Authors excluded from the sample patients that died during the first 72 hours of admission without taking melatonin, and patients that started on melatonin in the last 7 days of their admittance, having completed 75% of their stay.
Sánchez-González et al., 7/20/2021, retrospective, Spain, Europe, peer-reviewed, 4 authors.
risk of death, 54.4% lower, RR 0.46, p < 0.001, treatment 24 of 224 (10.7%), control 53 of 224 (23.7%), odds ratio converted to relative risk, PSM.
This study is excluded in the after exclusion results of meta analysis: immortal time bias may significantly affect results.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. For an individual study the most serious outcome may have a smaller number of events and lower statistical signficance, however this provides the strongest evidence for the most serious outcomes when combining the results of many trials.
All 13 studies   All Outcomes
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