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A single-arm, prospective, multicenter Phase II clinical study of rituximab combined with high-dose methotrexate and obitinib in the treatment of initially diagnosed elderly primary lymphoma of the central nervous system

A single-arm, prospective, multicenter Phase II clinical study of rituximab combined with high-dose methotrexate and obitinib in the treatment of initially diagnosed elderly primary lymphoma of the central nervous system

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2200056290
Enrollment
Unknown
Registered
2022-02-03
Start date
2022-03-01
Completion date
Unknown
Last updated
2024-09-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Primary central nervous system lymphoma

Interventions

experimental group:Rituximab combined with high-dose methotrexate and obitinib

Sponsors

Affiliated Tumor Hospital of Xinjiang Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
60 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Pathology: Primary central nervous system lymphoma confirmed by histology; 2. Aged 60-80 years; 3. ECOG PS score: 0-2 (Patients scored 3 by ECOG due to tumors after full evaluation by the investigator can also be included); 4. Imaging MRI and PET/CT show at least 1 measurable lesion in the central nervous system, except for the case without measurable lesion; 5. Sign the Consent Form and comply with the visits and related procedures stipulated in the plan; 6. Estimated survival time >= 3 months; 7. Cardiac function: echocardiography LVEF >= 50%; 8.The function of bone marrow and organs must meet the following conditions: (1) Absolute value of neutrophils >= 1.5 x 10^9/L (2) Platelets >= 75 x 10^9/L (no platelet transfusion within 14 days before use of study drugs (3) Hemoglobin >= 80 g/dL (no red blood cell transfusion within the 14 days before the use of study drugs (4) ALT and AST <= 3 × ULN (5) Total bilirubin <= 1.5×ULN7 (6) Serum creatinine <= 2×ULN (7) International normalized ratio=1.5×ULN, prothrombin time, activated partial thromboplastin time = 1.5 × ULNLipase=1.5×ULN (8) Lipase = 1.5 × ULN.

Exclusion criteria

Exclusion criteria: 1. The patient diagnosed as malignant tumor other than the primary central diffuse large B-cell lymphoma, or received anti-lymphoma treatment, including those who have previously received stem cell transplantation. 2. Heart disease with obvious clinical symptoms, including the uncontrolled symptoms such as arrhythmia, congestive heart failure (> grade 2), unstable angina, myocardial infarction within 6 months beforethe study treatment, or any grade 3 or 4 heart disease determined by the functional classification system of the New York Heart Association. 3. Hypertension out of control after treatment (determined by the investigator). 4. Diabetes under poor control after treatment (determined by the investigator). 5. Any uncontrolled active systemic infection (>CTCAE grade 2), which requires intravenous antibiotic treatment within 14 days before the use of study drugs. 6. Cerebrovascular accident, deep vein thrombosis or pulmonary embolism within 3 months before the study treatment. 7. Wounds, ulcersand bone fractures which cannot heal within a short time. 8. History of severe hemorrhagic disease, such as hemophilia A, hemophilia B, von Willebranddisease, or spontaneous hemorrhage that requires blood transfusion or other medical intervention, hemorrhagic constitutionor hemophilia. 9. Those with known history of human immunodeficiency virus (HIV) infection or active hepatitis C virus (HCV) or hepatitis B virus (HBV).Note: HCV antibody-positive subjects who have received treatment with long-lasting virological response (the virus test is negative for at least 6 months after the treatment) will not be excluded. 10.Those whoreceived major surgery within 2 weeks before the study drug treatment, or have not recovered from adverse reactions caused by the surgery. 11.Those who cannot swallow capsules, or have the diseases which seriously affect gastrointestinal function.6.12Life-threatening diseases, illnesses or organ dysfunctions that may endanger the safety of subjects or put research results at risk6 13.Those who need warfarin or equivalent vitamin K antagonist for anticoagulant therapy; need strong CYP3A4/5 inhibitor for treatment. 14.Those who need long-term dexamethasone >= 4mg/day or equivalent hormone preparations. 15.Those who needimmunosuppressive therapy, including cyclosporine A, Tacrolimus and Sirolimus. The patients should stop the use of immunosuppressive agents 28 days before the study drug treatment.6.16Those with known history of primary immunodeficiency 17. Those with known to have active tuberculosis. 18.Those with known history of allogeneic organ transplantation and allogeneic hematopoietic stem cell transplantation. 19.Those need continuous reception of strong CYP3A inhibitors or inducers (see Appendix 2)6.20Those who have received autologous stem cell transplantation.

Design outcomes

Primary

MeasureTime frame
Objective response rate;

Secondary

MeasureTime frame
progression-free survival, PFS;safety;Overall Survival,OS;Objective remission rate;Overall survival;

Countries

China

Contacts

Public ContactShujuan Wen

Affiliated Tumor Hospital of Xinjiang Medical University

414912909@qq.com+86 181 6063 1686

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026