Summary: The goal of this clinical trial is to evaluate the risk-benefit of a short-term treatment with a low-dose low-molecular-weight heparin (LMWH), in the postpartum period (after delivery). The main questions it aims to answer are: * compared to no treatment, does short-term postpartum LMWH modify the risk of venous thromboembolism within 90 days of delivery? * compared to no treatment, does short-ter...

Summary: This is an international, open-label, stratified randomized controlled trial with Bayesian adaptive stopping rules to compare the effects of therapeutic-dose heparin vs. usual care pharmacological thromboprophylaxis on outcomes in patients admitted to hospital with community acquired pneumonia (CAP).

Summary: The goal of this clinical trial is to find out the clinical and cost effectiveness of Thromboprophylaxis in participants who have been placed in a plaster cast or splint after injury. The main questions it aims to answer are: * whether giving tablets to people at high risks of clots after a leg injury is as good as injections (standard care) * whether giving any medication after a leg injury is be...