Orelabrutinib Combined With Rituximab Versus R-CVP in the Untreated MZL： A Randomized, Open Phase II Trial

Summary

This study is a randomized, open-label, multicenter, prospective clinical trial aimed at evaluating the efficacy and safety of orelabrutinib combined with rituximab for the previously untreat MZL

Eligibility

Inclusion Criteria:

1.Age ≥18 years； 2.ECOG performance status level 0\~2； 3.Life expectancy of at least 12 weeks; 4.Confirmed CD20-positive marginal zone lymphoma according to the WHO 2008 lymphoma classification criteria, including splenic MZL, nodal MZL, and extranodal MZL subtypes; 5.Measurable lesions detected by enhanced computed tomography (CT) or magnetic resonance imaging (MRI); 6.Indication for treatment according to NCCN guidelines and no prior systemic treatment for MZL; 7.Normal function of major organs; 8.Women of childbearing age must have taken reliable contraceptive measures or undergone a pregnancy test (serum or urine) within 7 days before enrollment, with a negative result, and must be willing to use appropriate contraceptive methods during the trial period and for 8 weeks after the last administration of the trial medication. For men, they must agree to use appropriate contraceptive methods during the trial period and for 8 weeks after the last administration of the trial medication or have undergone surgical sterilization; 9.The subject voluntarily participates in this study, signs the informed consent form, has good compliance, and cooperates with follow-up.

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Exclusion Criteria:

1. Patients with central nervous system involvement;
2. History or concurrent other untreated malignant tumors, except for cured basal cell carcinoma of the skin, cervical carcinoma in situ, and superficial bladder cancer;
3. Patients with the following cardiovascular diseases: Grade II or above myocardial ischemia or myocardial infarction, poorly controlled arrhythmias (including QTc interval for males ≥450 ms, for females ≥470 ms); Class III to IV heart failure according to NYHA standards, or echocardiography indicating left ventricular ejection fraction (LVEF) \<50%;
4. Coagulation abnormalities (INR \>1.5 or prothrombin time (PT) \>ULN+4 seconds or APTT \>1.5 ULN), with a tendency to bleed or undergoing thrombolytic or anticoagulant therapy;
5. Arterial/venous thrombotic events within 12 months prior to enrollment, such as cerebrovascular accidents (including transient ischemic attacks, cerebral hemorrhage, cerebral infarction), deep vein thrombosis, and pulmonary embolism;
6. Known hereditary or acquired bleeding and thrombotic tendencies (such as hemophilia, coagulation disorders, thrombocytopenia, hypersplenism, etc.);
7. Major surgical procedures or severe traumatic injuries, fractures, or ulcers within 4 weeks prior to enrollment;
8. Factors that significantly affect the absorption of oral medications, such as inability to swallow, chronic diarrhea, and intestinal obstruction;
9. Active infections requiring antimicrobial treatment (e.g., requiring antibacterial, antiviral drugs, excluding chronic hepatitis B antiviral treatment, antifungal treatment);
10. Active hepatitis B (HBV DNA ≥2000 IU/mL or 104 copies/mL) or hepatitis C (hepatitis C antibody positive, and HCV RNA above the lower limit of detection of the analytical method);
11. History of substance abuse and inability to quit or mental disorders;
12. Participation in other anticancer drug clinical trials within 4 weeks prior to enrollment;
13. Received treatment with potent CYP3A4 inhibitors within 7 days prior to enrollment, or received treatment with potent CYP3A4 inducers within 12 days prior to study participation;
14. Pregnant or breastfeeding women; patients of childbearing potential who are unwilling or unable to use effective contraceptive measures;
15. Other situations judged by the investigator that may affect the conduct of the clinical study and the determination of study results.

Conditions2

Interventions5

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