About this trial
A Prospective Clinical Study of the Combination Therapy of Obutinib or Decitabine with Rituximab, Cyclophosphamide, and Prednisone for the Primary Treatment of Elderly Patients with newly Diagnosed Diffuse Large B-cell Lymphoma
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Individuals aged 65 years or older who are intolerant to chemotherapy, regardless of gender;
ECOG 0-1; IPI score ≤ 3 points;
Expected survival period of more than 3 months;
DLBCL diagnosed by tissue biopsy pathology;
Disqualifiers
Clear patients with neurological or psychiatric disorders, including dementia or seizures, a history of abuse of psychotropic drugs that cannot be quit, or other substantial lesions that may increase central neurotoxicity;
Individuals who are currently participating in other clinical trials or have participated in other clinical studies within the first 4 weeks of enrollment (excluding those who have not received treatment);
Systemic autoimmune diseases or immunodeficiency;
Refusing to collect blood samples;
Trial design
Single group
Treatments tested in this trial
Obutinib or Decitabine, Rituximab, Compound Cyclophosphamide Tablets and Prednisone
DrugFor non GCB type: Rituximab, 375mg/m2, QD, D1,8,15(the first cycle), d1(Starting from the second cycle), ivgtt; Compound Cyclophosphamide Tablets, 50mg:50mg BID, P.O.; Obutinib, 150mg, QD, P.O.; Prednisone, 60mg, QD D1-7, P.O. Every 21 days is a cycle, and the efficacy is evaluated every 2 cycles. Obutinib maintain treatment for 6 months. Obutinib, 150mg, QD, P.O. After 6 cycles of initial treatment, the efficacy was evaluated. For GCB type: Rituximab, 375mg/m2, QD, D1,8,15(the first cycle), d1(Starting from the second cycle), ivgtt; Compound Cyclophosphamide Tablets, 50mg:50mg BID, P.O.; Decitabine, 10mg, QD,D1-5, ivgtt; Prednisone, 60mg, QD D1-7, P.O. Every 21 days is a cycle, and the efficacy is evaluated every 2 cycles. Decitabine maintenance treatment for 4 cycles, 21 days per cycle. Decitabine, 10mg, QD,D1-5, ivgtt. Evaluate the efficacy after 6 cycles of treatment.
Treatment groups
Trial outcomes
Primary outcomes
Overall Response Rate (ORR)
Overall Response Rate
Progression Free Survival (PFS)
Progression Free Survival
Secondary outcomes
Overall Survival (OS)
Overall Survival
Disease free survival(DFS)
Disease free survival
Sponsors and contacts
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Mingzhi Zhang
Lead sponsor
Zhengzhou University
Sponsor institution