Medications Associated with Lower Mortality in a SARS-CoV-2 Positive Cohort of 26,508 Veterans
MD, MPH Christine M Hunt, PhD, MSc Jimmy T Efird, Thomas S Redding, MS, BSPH Andrew D Thompson Jr, MPH Ashlyn M Press, PhD, MPH Christina D Williams, MD MPH Christopher J Hostler, MD Ayako Suzuki
Journal of General Internal Medicine, doi:10.1007/s11606-022-07701-3
BACKGROUND: Many severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) positive patients take commonly prescribed medications with properties which may affect mortality. OBJECTIVE: Assess if common medications postulated to affect clinical outcomes are associated with mortality in SARS-CoV-2 positive patients in the Veterans Health Administration (VHA). DESIGN: Observational national cohort analysis. PARTICIPANTS: Consecutive 26,508 SARS-CoV-2 positive Veterans (7% of 399,290 tested from March 1 to September 10, 2020) constitute the study cohort. MAIN MEASURES: The primary outcome was 30-day mortality from the first positive SARS-CoV-2 test date. In patients receiving medications or drug pairs within 2 weeks post-SARS-CoV-2 positive test, 30-day mortality was estimated as relative risk (RR) on the log-binomial scale or using multinomial models with and without adjusting for covariates. KEY RESULTS: The 26,508 SARS-CoV-2 positive patients were predominantly male (89%) and White (59%), and 82% were overweight/obese. Medications associated with decreased 30-day mortality risk included the following: metformin (aRR, 0.33; 95% CI, 0.25-0.43), colchicine, angiotensinconverting-enzyme inhibitors (ACEi), angiotensin II receptor blockers, statins, vitamin D, antihistamines, alpha-blockers, anti-androgens, and nonsteroidal anti-inflammatory drugs (aRR, 0.69; 95% CI, 0.61-0.78). The effect of co-prescribed medications on 30-day mortality risk revealed the lowest risk for combined statins and metformin (aRR, 0.21; 95% CI, 0.15-0.31), followed by ACEi and statins (aRR, 0.25; 95% CI, 0.18-0.35), ACEi and metformin (aRR, 0.26; 95% CI, 0.17-0.40), antihistamines and NSAIDs (aRR, 0.41; 95% CI, 0.32-0.52), and in men, combined alpha-blockers and antiandrogens (aRR, 0.51; 95% CI, 0.42-0.64). CONCLUSIONS: In this large national cohort, treatment of SARS-CoV-2 positive patients with individual or coprescribed metformin and statins, ACEi and statins (or metformin) and other medications was associated with a markedly decreased 30-day mortality and can likely be continued safely. Clinical trials may assess their therapeutic benefit.
Supplementary Information The online version contains supplementary material available at https://doi.org/10.1007/s11606-022-07701-3. Conflict of Interest: Dr. Hunt is a consultant to Akebia Therapeutics, Inc. Dr. Hostler is co-owner of Infection Control Education for Major Sports, LLC, and consultant for OneBeacon Insurance and Prime Education, LLC. Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
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