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ACEI or ARB and COVID-19 Severity and Mortality in US Veterans

Hypertension Clinical Trial

Official title:
Association Between Angiotensin Converting Enzyme Inhibitor or Angiotensin Receptor Blocker Use and COVID-19 Severity and Mortality Among US Veterans

Clinical Trial Summary

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus responsible for COVID-19, enters type II pneumocytes using angiotensin-converting enzyme 2 (ACE2). It is unclear whether ACE inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) increase, decrease, or have no significant effect on ACE2 expression or activity. Therefore, ACEI and ARB may be harmful, beneficial, or have no impact on Coronavirus Disease 2019 severity and mortality. The Specific Aims of this observational study are: (1) Among SARS-CoV-2-positive outpatients, compare all-cause hospitalization and mortality rates between: 1.1 Current users of a range of doses of ACEI/ARB- vs. non- ACEI/ARB-based regimens, and 1.2 Current users of a range of doses of ACEI- vs. ARB-based regimens, and (2) Among those hospitalized for COVID-19, compare all-cause mortality between: 2.1 Current users of a range of doses of ACEI/ARB- vs. non- ACEI/ARB-based regimens, and 2.2 Current users of a range of doses of ACEI- vs. ARB-based regimens.

Clinical Trial Description

The Coronavirus Disease 2019 (COVID-19) pandemic has killed >129,000 Americans as of June 30, 2020. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus responsible for COVID-19, enters type II pneumocytes using angiotensin-converting enzyme 2 (ACE2). ACE inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) may increase ACE2 expression. Theoretically, if ACEI/ARB use increases ACE2 expression in the lungs, ACEI/ARBs could promote SARS-CoV-2 entry into type II pneumocytes and worsen COVID-19 infection. In contrast, other evidence suggests that ACEI/ARBs may mitigate virus-induced inflammatory responses in the lungs by upregulating ACE2-mediated generation of the vasodilator and anti-inflammatory protein angiotensin-(1-7), thereby preventing tissue damage. Few data exist on the direction or magnitude of the association between ACEI/ARB use and COVID-19 severity, and whether these associations differ between ACEIs and ARBs. Because ACEI/ARBs are among the most commonly used prescription medications, it is critical to determine if ACEI/ARB users have a differential risk of more severe COVID-19 infection compared to non-users. The objective of this study is to reduce morbidity and mortality of the COVID-19 pandemic by generating timely evidence on the direction and magnitude of the association between ACEI/ARB use and COVID-19 severity and mortality. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04467931
Study type Observational
Source University of Utah
Contact
Status Completed
Phase
Start date January 19, 2020
Completion date December 31, 2020
View Details
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