The application relates to a method of using compositions having anti-alpha-4 integrin and/or anti-alpha-9 integrin activity to inhibit liquid tumor growth, malignancies thereof and/or development of metastases thereof that involve expression of an alpha-4 integrin and/or alpha-9 integrin. Pharmaceutical compositions and combination therapies (for example, with chemotherapies) for the inhibition of liquid tumor growth, malignancies thereof and/or development of metastases thereof are also provided.