Early Anticoagulant Treatment Shown To Reduce Death In Moder
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COVID-19 is marked by heightened inflammation and abnormal clotting in the blood vessels, particularly in the lungs, and is believed to contribute to progression to severe disease and death. New trial results show that administering a full dose of a standard blood thinner early to moderately ill hospitalized patients with COVID-19 could halt the thrombo-inflammation process and reduce the risk of severe disease and death.

Heparin stops clots from forming and reduces inflammation. "This study was designed to detect a difference in the primary outcome that included ICU transfer, mechanical ventilation or death," says Mary Cushman, M.D., M.Sc., study co-principal investigator and a professor of medicine at the University of Vermont's Larner College of Medicine.

The open-label randomized international multi-center RAPID Trial (also known as the RAPID COVID COAG—RAPID Trial) examined the benefits of administering a therapeutic full dose of heparin versus a prophylactic low dose to moderately ill patients admitted to hospital wards with COVID-19.

The primary outcome was a composite of ICU admission, mechanical ventilation, or death up to 28 days. Safety outcomes included major bleeding. Primary outcome occurred in 37 of 228 patients (16.2%) with therapeutic full dose heparin, and 52 of 237 (21.9%) with low dose heparin. Four patients (1.8%) with therapeutic heparin died vs. 18 (7.6%) with prophylactic heparin.

"While we found that therapeutic heparin didn't statistically significantly lower incidence of the primary composite of death, mechanical ventilation or ICU admission compared with low dose heparin, the odds of all-cause death were significantly reduced by 78 percent with therapeutic heparin," says first said.

Researcher says that they also presented a meta-analysis of randomized evidence, which clearly indicated that therapeutic heparin is beneficial in moderately ill hospitalized COVID-19 patients. He adds that an additional meta-analysis presented in the preprint showed that therapeutic heparin is beneficial in moderately ill hospitalized patients but not in severely ill ICU patients.

Source:
https://www.medrxiv.org/content/10.1101/2021.07.08.21259351v3
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