Patients with peripheral T-cell lymphoma usually have a bad prognosis. These patients cannot be treated successfully with the conventional CHOP regimen. The investigators have been proceeding this trial to evaluate the efficacy and safety of the PD-1, chidamide, lenalidomide and gemcitabine in the treatment of newly diagnosed and relapse/refractory peripheral T-cell lymphoma.
To observe the safety, tolerability and clinical effects of PD-1, chidamide, lenalidomide and gemcitabine in the treatment of newly diagnosed and relapse/refractory peripheral T-cell lymphoma.