Provided are high concentration, salt-free antibody and other protein formulations that are substantially isosmotic and of low viscosity. Also provided are methods for the treatment of diseases using the disclosed formulations.本發明提供一種高濃度、無鹽抗體及其他蛋白質調配物,其實質上等滲性及低黏度。亦提供利用所揭示調配物治療疾病之方法。