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Fewer Major Bleeds With Once- Versus Twice-Daily Enoxaparin

Fewer Major Bleeds With Once- Versus Twice-Daily Enoxaparin
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MONDAY, Feb. 6, 2017 (HealthDay News) — Once-daily enoxaparin is associated with fewer major bleeds than enoxaparin twice daily in patients with acute venous thromboembolism (VTE), according to a study published online Jan. 25 in the Journal of Thrombosis and Haemostasis.

Javier Trujillo-Santos, M.D., Ph.D., from the Hospital General Universitario Santa Lucía in Murcia, Spain, and colleagues assessed data from the RIETE registry for 4,730 patients receiving enoxaparin: 3,786 and 944 received enoxaparin twice and once daily, respectively.

The researchers found that, compared with those receiving enoxaparin twice daily, once-daily enoxaparin correlated with a trend toward more VTE recurrences (odds ratio [OR], 1.79; 95 percent confidence interval [CI], 0.55 to 5.88), fewer major bleeds (OR, 0.42; 95 percent CI, 0.17 to 1.08), and fewer deaths (OR, 0.32; 95 percent CI, 0.13 to 0.78) during the first 15 days. Patients on enoxaparin once daily had more VTE recurrences (OR, 2.5; 95 percent CI, 1.03 to 5.88), fewer major bleeds (OR, 0.40; 95 percent CI, 0.17 to 0.94), and fewer deaths (OR, 0.58; 95 percent CI, 0.33 to 1.00) at day 30. On propensity analysis, patients on enoxaparin once daily had fewer bleeds at 15 and 30 days (hazard ratios, 0.30 [95 percent CI, 0.10 to 0.88] and 0.16 [95 percent CI, 0.04 to 0.68]) and fewer deaths at 15 and 30 days (hazard ratios, 0.37 [95 percent CI, 0.14 to 0.99] and 0.19 [95 percent CI, 0.07 to 0.54]).

“Enoxaparin prescribed once daily results in fewer major bleeds than enoxaparin twice daily,” the authors write.

The RIETE registry was supported by Sanofi Spain and Bayer Pharma AG.

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