Application of Orelabrutinib With or Without CD20 Monoclonal Antibody in Previously Untreated Marginal Zone Lymphoma
Recruiting now · Phase 4
Conditions studied: Marginal Zone Lymphoma(MZL)
In brief
This study focuses on treatment-naïve marginal zone lymphoma (MZL) patients and aims to investigate the efficacy and safety of orelabrutinib combined with or without CD20 monoclonal antibody. This is a single-arm study without a control group. All subjects will receive orelabrutinib treatment but will be stratified based on disease stage and clinical characteristics into the following two groups: 1. Stage I MZL Patient Group (Monotherapy Group) Treatment regimen: Orelabrutinib monotherapy. Dosage and administration: Orelabrutinib 150mg, once daily (qd), taken continuously for 21 days per treatment cycle (d1-d21), for a total of 6 cycles (C1-C6). Target population: Patients with Ann Arbor Stage I gastric MALT MZL, including H. pylori-negative patients or those with unsatisfactory response after anti-H. pylori therapy, as well as other Stage I MZL patients unsuitable for local radiotherapy. Sample size: 50 cases. 2. Stage II-IV MZL Patient Group (Combination Therapy Group) Treatment regimen: Orelabrutinib combined with a CD20 monoclonal antibody. Dosage and administration: Orelabrutinib 150mg, once daily (qd), taken continuously for 21 days per treatment cycle (d1-d21), for a total of 6 cycles (C1-C6). CD20 monoclonal antibody (either Rituximab 375mg/m², intravenous infusion, Day 1 of each cycle, C1-C6; or Obinutuzumab 1000mg, intravenous infusion, on Days 1, 8, and 15 of Cycle 1 \[C1\], and on Day 1 of Cycles 2-6 \[C2-C6\]). Target population: Patients with Ann Arbor Stage II-IV non-gastric MALT MZL, nodal MZL, splenic marginal zone lymphoma (SMZL), and other Stage II-IV MZL patients unsuitable for local radiotherapy. Sample size: 38 cases.
Key facts
- Study ID
- NCT07355699
- Run by
- Beijing Tongren Hospital
- People needed
- 88
- Starts
- 2025-11-25
- Expected to finish
- 2028-12-31
- Last updated by the study team
- 2026-01-21
Who can join
Age: 18 and older. Sex: any. Healthy volunteers: not accepted.
You may qualify if…
- Age ≥ 18 years;
- Pathologically confirmed marginal zone lymphoma;
- Presence of evaluable lesions;
- Meets indications for treatment: Fulfills the GELF criteria OR has disease-related clinical symptoms/organ function impairment;
- Patients who are unsuitable for local radiotherapy, refuse local radiotherapy, or have disease progression after local therapy. Cases considered unsuitable for local radiotherapy include the following:
- Gastric MALT MZL, Ann Arbor stage I, that is H. pylori-negative, or H. pylori-positive gastric MALT MZL (Ann Arbor stage I) with poor response to H. pylori eradication therapy;
- Non-gastric MALT and nodal MZL in Ann Arbor non-contiguous stage II or stages III-IV;
- SMZL;
- Gastric MALT classified as Lugano II2, IIE, or IV stage;
- Patient intolerance to radiotherapy;
- Other MZL patients deemed unsuitable for local radiotherapy by the investigator.
- ECOG score of 0-3;
- Expected survival time ≥ 3 months;
- Ability to provide signed informed consent.
You may not qualify if…
- Currently diagnosed with another malignant tumor;
- Central nervous system involvement by lymphoma or transformation to a higher grade;
- Allergy to any of the investigational drugs;
- Active infection or uncontrolled HBV infection, HIV/AIDS, or other serious infectious diseases;
- Pregnancy, lactating women, or subjects of childbearing potential unwilling to use contraception;
- Other situations deemed by the investigator as unsuitable for participation in this trial.
Where it is running
- Beijing Tongren Hospital — Beijing, China (enrolling)
- Peking Union Medical College Hospital — Beijing, China
- The First Affiliated Hospital of China Medical University — Beijing, China
Full record on ClinicalTrials.gov
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