Early switch to dabigatran safe for patients with intermediate-risk pulmonary embolism: PEITHO-2 trial
Germany: An early switch from heparin to dabigatran in patients with intermediate-risk pulmonary embolism is safe and effective, show results from the phase 4 PEITHO-2 trial.
The study results were published in The Lancet Haematology on August 04, 2021.
For the management of acute pulmonary embolism, the current guidelines recommend a risk-adjusted treatment strategy. However, in this specific patient category, optimal treatment (reperfusion strategies, (anticoagulant treatment, and duration of hospitalization) is currently unknown. Considering this, Frederikus A Klok, Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, Netherlands, and colleagues aimed to investigate the safety and effectiveness of the treatment of acute intermediate-risk pulmonary embolism with parenteral anticoagulation for a short period of 72 h, followed by a switch to a direct oral anticoagulant (dabigatran).
The phase 4 PEITHO-2 trial was a single-arm, multinational trial occurring at 42 hospitals across Europe. It enrolled adult 402 patients (aged ≥18 years) with symptomatic intermediate-risk pulmonary embolism, with or without deep-vein thrombosis. Patients received parenteral low-molecular-weight or unfractionated heparin for 72 h after diagnosis of pulmonary embolism before switching to oral dabigatran 150 mg twice per day following a standard clinical assessment. Median follow-up was 217 days and 370 (92%) patients adhered to the protocol.
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