Orelabrutinib as Consolidation and Maintenance Therapy in Treatment-Naïve MZL.
Trial Parameters
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Brief Summary
This study aims to explore a new treatment approach for patients with treatment-naive Marginal Zone Lymphoma (MZL). MZL is a type of slow-growing lymphoma that often affects older adults. The current standard treatment involves chemotherapy, but it can have significant side effects and may not always provide long-term benefits. This study investigates a treatment strategy that combines a limited course of chemotherapy (R-CHOP) followed by consolidation and maintenance therapy with a targeted drug called Orelabrutinib. Patients will undergo a series of tests to determine eligibility for the study. These tests include blood work, imaging studies, and assessments of overall health. Eligible participants will receive a standard chemotherapy regimen called R-CHOP for three cycles. After this, the response to treatment will be evaluated. Participants who show a good response will then receive three cycles of consolidation therapy with Orelabrutinib and Rituximab (OR). Those who continue to respond well will enter a maintenance phase with Orelabrutinib for up to two years. Throughout the study, participants will be closely monitored for treatment response and any side effects. Regular check-ups, blood tests, and imaging studies will be conducted to assess the effectiveness and safety of the treatment. This study is an important step towards finding better treatment options for MZL patients. It is hoped that through this research, the quality of life and outcomes for those affected by this disease can be improved.
Eligibility Criteria
Inclusion Criteria: 1. Histologically confirmed CD20-positive marginal zone lymphoma (MZL) that has not received systemic therapy. 2. MZL that has progressed or relapsed after prior local therapy (local therapy includes surgery, radiotherapy, Helicobacter pylori eradication, and hepatitis C treatment) or is not amenable to local therapy. 3. Age ≥18 years. 4. Presence of an indication for treatment as determined by the investigator or patient's willingness to receive treatment. 5. Eastern Cooperative Oncology Group (ECOG) performance status score ≤2. 6. Adequate organ function as defined below: * Hematology: Hemoglobin (HB) ≥60 g/L, platelets (PLT) ≥50×10⁹/L, neutrophils (NE) ≥1.0×10⁹/L (Note: Subjects with cytopenia due to lymphoma bone marrow involvement are not restricted by this criterion). * Cardiac: Left ventricular ejection fraction (LVEF) ≥50% as determined by echocardiogram. * Renal: Creatinine ≤1.5×upper limit of normal (ULN) or creatinine clearance ≥30 ml/min. * Hepatic: Aspa