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All Studies   Meta Analysis    Recent:   
0 0.5 1 1.5 2+ Mortality 80% Improvement Relative Risk Ventilation 97% Hospitalization 91% Proxalutamide  McCoy et al.  EARLY TREATMENT  DB RCT Is early treatment with antiandrogens beneficial for COVID-19? Double-blind RCT 268 patients in Brazil (June - July 2020) Lower ventilation (p<0.0001) and hospitalization (p<0.0001) c19early.org McCoy et al., Frontiers in Medicine, Dec 2020 Favors proxalutamide Favors control

Proxalutamide (GT0918) Reduces the Rate of Hospitalization for COVID-19 Male Outpatients: A Randomized Double-Blinded Placebo-Controlled Trial

McCoy et al., Frontiers in Medicine, doi:10.3389/fmed.2021.668698 (date from preprint), NCT04446429
Dec 2020  
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5th treatment shown to reduce risk in August 2020
 
*, now known with p = 0.000000056 from 49 studies.
No treatment is 100% effective. Protocols combine complementary and synergistic treatments. * >10% efficacy in meta analysis with ≥3 clinical studies.
3,900+ studies for 60+ treatments. c19early.org
RCT 268 male patients in Brazil, 134 treated with proxalutamide, showing significantly lower hospitalization and mechanical ventilation. NCT04446429 (history).
This paper was censored without details or author response, and the editors have ignored the authors, see twitter.com.
risk of death, 80.0% lower, RR 0.20, p = 0.50, treatment 0 of 134 (0.0%), control 2 of 134 (1.5%), NNT 67, relative risk is not 0 because of continuity correction due to zero events (with reciprocal of the contrasting arm).
risk of mechanical ventilation, 97.1% lower, RR 0.03, p < 0.001, treatment 0 of 134 (0.0%), control 17 of 134 (12.7%), NNT 7.9, relative risk is not 0 because of continuity correction due to zero events (with reciprocal of the contrasting arm).
risk of hospitalization, 91.0% lower, RR 0.09, p < 0.001, treatment 3 of 134 (2.2%), control 35 of 134 (26.1%), NNT 4.2.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
McCoy et al., 30 Dec 2020, Double Blind Randomized Controlled Trial, Brazil, peer-reviewed, 15 authors, study period 15 June, 2020 - 28 July, 2020, trial NCT04446429 (history).
This PaperAntiandrogensAll
5-alpha-reductase inhibitors are associated with reduced frequency of COVID-19 symptoms in males with androgenetic alopecia
J Mccoy
We have previously reported that men with androgenetic alopecia (AGA) are more likely to present with severe COVID-19 symptoms, potentially implicating androgen sensitivity as a risk factor for COVID-19. [1] [2] [3] As such, we hypothesized that 5-alphareductase inhibitors (5ARi) may reduce the severity of COVID-19 disease. To test this hypothesis, we conducted a retrospective cohort analysis on male subjects with laboratory confirmed SARS-CoV-2 infection. The subjects presented at one of five outpatient clinics (Corpometria Institute Brasilia, Brazil) from 15 June to 28 July 2020. At the time of visit, 29 clinical symptoms associated with SARS-CoV-2 infection were documented. For analysis, male subjects with AGA were selected. The frequency of clinical symptoms in males with AGA using 5ARis was compared to those not using 5ARis. Among the men presenting at the clinic, 300 were positive for SARS-CoV-2. Of these, 65 had AGA but were not using 5ARis, and 48 had AGA and were taking a 5ARi for at least six months prior to the study. The only 5ARi used in this cohort was dutasteride (0.5 mg) for the treatment of AGA. Propensity score
Conflicts of interest
References
Clark, Hermann, Cunningham, Wilson, Morrill et al., Marked suppression of dihydrotestosterone in men with benign prostatic hyperplasia by dutasteride, a dual 5a-reductase inhibitor, J Clin Endocrinol Metab, doi:10.1111/jdv.17021
Gebhard, Regitz-Zagrosek, Neuhauser, Morgan, Klein, Impact of sex and gender on COVID-19 outcomes in Europe, Biol Sex Differ
Goren, Vaño-Galv An, Wambier, A preliminary observation: male pattern hair loss among hospitalized COVID-19 patients in Spain -a potential clue to the role of androgens in COVID-19 severity, J Cosmet Dermatol
Montopoli, Zumerle, Vettor, Androgen-deprivation therapies for prostate cancer and risk of infection by SARS-CoV-2: a populationbased study (n=4532), Ann Oncol, doi:10.1016/j.annonc.2020.04.479
Wambier, Vaño-Galv An, Mccoy, Androgenetic alopecia present in the majority of hospitalized COVID-19 patients -the "Gabrin sign, J Am Acad Dermatol, doi:10.1016/j.jaad.2020.05.079
Wambier, Vaño-Galv An, Mccoy, Pai, Dhurat et al., Androgenetic alopecia in COVID-19: compared to age-matched epidemiologic studies and hospital outcomes with or without the Gabrin sign, J Am Acad Dermatol, doi:10.1016/j.jaad.2020.07.099
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