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Open label clinical randomized trial comparing three strategies for managing acute intermediate-high risk pulmonary embolism
Trial acronym: STRATIFY Background: Intermediate-high risk pulmonary embolism (PE) is associated with a significant risk of death or hemodynamic deterioration. The optimal treatment strategy should balance efficacy in reducing thrombus burden and hemodynamic compromise with risk of complications, in particular bleeding. Previous studies have investigated conventional high-dose, short term thrombolysis by (rtPA), finding a reduction in risk hemodynamic deterioration, but no reduction in mortality and a substantial increase in significant bleeding complications.
Catheter based techniques and low dose thrombolysis may offer lower risk of complication with reasonable efficacy. Such studies have not been performed in RCTs with a reasonable sample size, and no study have compared low dose intravenous thrombolysis and catheter based techniques.
The current trial addresses this paucity of data by randomizing patients to one of three treatment modalities:
Intervention: 1:1:1 randomization, stratified for site to
- UltraSound Assisted Thrombolysis (USAT) with low dose thrombolysis (20 mg of rtPA, Alteplase) over 6 hours plus unfractionated heparin (UFH) or low molecular weight heparin (LMWH) within 12 hours of randomization
- Intravenous low dose thrombolysis (20 mg of rtPA, Alteplase) over 6 hours plus UFH or low molecular weight heparin (LMWH).
- UFH or low molecular weight heparin (LMWH) only (with option for conventional thrombolysis according to local protocols for hemodynamic deterioration) Design: Regional collaborative, randomized trial with 1:1:1 allocation of 210 patients with acute intermediate-high risk PE with no absolute contraindications to thrombolysis
Alteplase 20 Mg Powder for Solution for Injection Vial, Ultrasound assisted Thrombolysis
Copenhagen University Hospital Bispebjerg Hospital
Published on BioPortfolio: 2019-09-19T03:56:51-0400
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