Estrogen Therapy Downs COVID-19 Deaths, Says Study

Using hormone replacement therapy within six months of a recorded diagnosis of COVID-19 was associated with a reduction in mortality from the disease.

Men and women are equally susceptible to the novel coronavirus infection. However, men tend to have more severe infections and have higher rates of hospitalization and mortality.

Sex Differences in COVID-19 Data

A recent review of sex differences in COVID-19, using data from 38 countries, found that mortality in men was 1.7 times higher than in women. Younger women or those with higher estrogen levels are less likely to experience COVID-19 complications.

‘Estrogen may offer some protection against severe COVID-19. New study gave reassurance to patients and clinicians that there is no indication to stop hormone replacement therapy because of the pandemic.’
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Earlier studies have also shown that women have faster and greater immune responses to viral infections. Researchers have observed similar data in previous pandemics, including the SARS-CoV and MERS-CoV outbreaks.

The reason for these sex differences is uncertain. Limited recent observational data suggest that estrogen may reduce the severity of COVID-19 disease.

This study investigated the association between hormone replacement therapy or combined oral contraception use, and the likelihood of death in women with COVID-19.

Estrogen Dominance - Causes, Symptoms, Diagnosis, Treatment
Estrogen dominance is a condition with relatively high levels of estrogen and diminished progesterone levels.

Researchers investigated combined oral contraception, which contains estrogen because some Recent observational data suggests that women taking oral contraceptives have a lower risk of acquiring COVID-19.

Investigators used a retrospective cohort with medical records from the Oxford-Royal College of General Practitioners Research and Surveillance Centre primary care database.

They identified a group of 1,863,478 women over 18 from 465 general practices in England. There were 5,451 COVID-19 cases within the cohort. Hormone replacement therapy was associated with a 22% reduction in all-cause mortality in COVID-19.

This suggests that estrogen may well contribute a protective effect against COVID-19 severity. This may explain why fewer women compared to men have been hospitalized, admitted to intensive care, or died due to the COVID-19 pandemic.

“This study supports the theory that estrogen may offer some protection against severe COVID-19,” said Christopher Wilcox, one of the paper’s authors.

“We hope that this study can provide reassurance to patients and clinicians that there is no indication to stop hormone replacement therapy because of the pandemic.”

Source-Medindia