The present invention refers to novel liquid pharmaceutical formulations comprising human antibody against coagulation factor FXIa as active ingredient. The invention also refers to lyophilizates of the specified liquid formulation and also to the use thereof in the therapy and prophylaxis of thrombotic or thromboembolic disorders.本發明係關於包含抗凝血因子FXIa之人類抗體作為活性成分的新穎液體醫藥調配物。本發明亦關於該特定液體調配物的凍乾物,及關於其於治療及預防栓塞性或血栓性病症的用途。