Prophylaxis of Venous Thrombo-Embolism in Cancer Patients Under Palliative Care

Inclusion Criteria: * Cancer patients in palliative care * Patients fully informed about their condition * Signed informed consent * No exclusion criteria Exclusion Criteria: * Absence of advanced cancer * Cancer previously cured * Venous thromboembolism diagnosed within 6 months prior to inclusion * Absence of discerning capacity * Active anti-thrombotic treatment with heparins or coumarines * Thrombocytopenia \<50G/l * PTT \>45sec * TP\<35% * Active bleeding * Renal failure \<20ml/min * Past history of heparin-induced thrombocytopenia