The CLOT study, published in 2003, showed that in patients with malignancy and acute venous thromboembolism, dalteparin was more effective than coumadin in reducing the risk of recurrent embolic events.[1]
References
^ Lee AY, Levine MN, Baker RI, Bowden C, Kakkar AK, Prins M, Rickles FR, Julian JA, Haley S, Kovacs MJ, Gent M (2003). "Low-molecular-weight heparin versus a Coumadin for the prevention of recurrent venous thromboembolism in patients with cancer". N Engl J Med349 (2): 146–53. doi:10.1056/NEJMoa025313. PMID 12853587.