| Inclusion Criteria: | 1) Age range: subjects must be greater than or equal to 18 years of age.
2) Male and female subjects will be eligible for enrollment.
3) Females should be either of non-childbearing potential as a result of surgery, radiational therapy, menopause (have been in menopause for > or = to 1 year), or of childbearing potential and willing to adhere to an acceptable method of pregnancy prevention
4) Subjects must be newly diagnosed proximal deep-vein thrombosis of the lower extremity, pulmonary embolism, or both.
5) Subjects must have active malignancy defined as a diagnosis of cancer (excluding basal cell or squamous cell carcinoma of the skin) within six months before enrollment, having received any treatment for cancer within the previous six months, or having documented recurrent or metastatic cancer.
6) Prior to enrollment, subjects must not have received therapeutic doses of heparin or LMWH for > 96 hours (or > 8 doses within 96 hours) or oral anticoagulant therapy for > 48 hours (or > 2 doses within 48 hours).
7) ECOG performance status of 0, 1 or 2.
8) Subjects must have a life expectancy of > 6 months.
9) Subjects must have a platelet count of > 75,000 mm3.
10) The subject must not be on any oral anticoagulant therapy for concomitant diseases with the exception of acetylsalicylic acid (ASA). No other systemic anticoagulants are allowed during the study with the exception of allowance of institution-specific I.V. line patency protocols.
11) Subjects must have no active or serious bleeding episodes within two weeks prior to study entry.
12) Subjects must be able to comply with scheduled follow-ups.
13) Subjects must give written informed consent. |