Patients with relapsed /refractory diffuse large B cell lymphoma usually have a bad prognosis. These patients cannot be treated successfully with the conventional chemotherapy of CHOP. Apatinib is a new type of oral tyrosine kinase inhibitor targeting VEGFR-2.The investigators have been proceeding this trial to evaluate the efficacy and safety of Apatinib in the patients with relapsed refractory diffuse large B cell lymphoma.
The purpose of this study is to evaluate the efficacy and safety of Apatinib for patients with Relapsed Refractory Diffuse Large B Cell Lymphoma.