Otamixaban is primarily used as an anticoagulant in medical settings. It is specifically designed to inhibit the activity of Factor Xa, a key enzyme in the blood coagulation cascade. This makes it effective in preventing the formation of blood clots, which is crucial in managing conditions such as acute coronary syndromes and during percutaneous coronary interventions. Its application is particularly valuable in scenarios where rapid and reversible anticoagulation is required, providing a safer alternative to other anticoagulants with longer durations of action. Otamixaban is typically administered intravenously, ensuring quick onset of action, which is essential in acute medical situations.