• Intern Emerg Med · Mar 2021

    Design and rationale of a randomized, placebo-controlled trial on the efficacy and safety of sulodexide for extended treatment in elderly patients after a first venous thromboembolism.

    • Gualtiero Palareti, Cristina Legnani, Emilia Antonucci, Serena Zorzi, Angelo A Bignamini, Corrado Lodigiani, Alberto Tosetto, Lorenza Bertù, Vittorio Pengo, Sophie Testa, Walter Ageno, Domenico Prisco, Paolo Prandoni, and Daniela Poli.
    • Arianna Anticoagulazione" Foundation, Via Paolo Fabbri 1/3, 40138, Bologna, Italy. gualtiero.palareti@unibo.it.
    • Intern Emerg Med. 2021 Mar 1; 16 (2): 359-368.

    AbstractHow to prevent recurrences after a first venous thromboembolic (VTE) event in elderly patients is still an open issue, especially because of the high bleeding risk of anticoagulation in these patients. The placebo-controlled "Jason" study aims at assessing the efficacy and safety for secondary VTE prevention in elderly patients of oral Sulodexide (Vessel®) administration, a mixture of glycosaminoglycans (Alfasigma, Bologna, Italy) which proved effective against recurrences in a general population (SURVET study) without major bleeding (MB) complications. 1450 patients, aged ≥ 75 years, after at least 3 months of anticoagulation treatment for a first VTE episode, are double-blind randomized to receive for 12 months either sulodexide 500 lipasemic units (LSUs) twice daily, or sulodexide 250 LSU twice daily + indistinguishable placebo, or indistinguishable placebo. Primary outcomes for efficacy are the composite of death for VTE and recurrent VTE, and occurrence of MB for safety. Secondary outcomes include stroke, cardiovascular death and other thromboembolic events, and MB + clinically relevant non-MB. The first patient is scheduled to be randomized in May 2020. The study protocol has been approved by AIFA (Agenzia Italiana del Farmaco) and the Ethics Committee of the coordinating center. Written informed consent will be obtained from all patients prior to study participation. Jason study is an investigator-initiated trial, promoted by "Arianna Anticoagulazione" Foundation, Bologna, Italy, and supported by Alfasigma, Bologna, Italy. Study findings will be disseminated to participant centers, at research conferences and in peer-reviewed journals. Trial registration numbers NCT04257487; EudraCT (2019-000570-33).

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