Zanubrutinib Combined With Rituximab and Chemotherapy for Newly-Diagnosed PCNSLBCL Patients Intolerant to HSCT

Study Purpose

This single-center, open, single-arm study aim to evaluate the efficacy and tolerability of a therapy introducing zanubrutinib on the basis of rituximab and methotrexate (MTX) [or temozolomide (TMZ), if intolerant to MTX] in treating patients newly diagnosed with primary CNS large B-cell lymphoma and intolerant to HSCT.

Recruitment Criteria

Accepts Healthy Volunteers Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms	Yes
Study Type An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes. An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes. Searching Both is inclusive of interventional and observational studies.	Interventional
Eligible Ages	18 Years - 80 Years
Gender	All

More Inclusion & Exclusion Criteria

Inclusion Criteria:

- 18 to 80 years old; - Histopathologically confirmed CD20 positive primary large B-cell lymphoma of the central nervous system (CNS) or primary vitreoretinal lymphoma according to the 5th edition of the World Health Organization (WHO) Classification of Haematolymphoid Tumours [primary large B-cell lymphoma of the CNS previously named as primary diffuse large B-cell lymphoma (DLBCL) of the CNS in the revised 4th edition]; - Life expectancy of > 3 months (in the opinion of the investigator); - Creatinine Clearance Rate (CCR) ≥ 50 mL/min or estimated Glomerular Filtration Rate (eGFR) ≥ 60 mL/(min·1.73 m^2); - International Normalized Ratio (INR) ≤ 1.5 and activated Partial Thromboplastin Time (aPTT) ≤ 1.5 times the upper limit of normal; - Left Ventricular Ejection Fraction (LVEF) ≥ 50%; - Agreeing to provide written informed consent prior to any special examination or procedure for the research on their own or legal representative.

Exclusion Criteria:

- Pregnant or lactating women; - Known Hepatitis B Virus (HBV) and/or Hepatitis C Virus (HCV) infection (HBV infection refers to HBV-DNA > detectable limit); - With acquired or congenital immunodeficiency; - With congestive heart failure in 6 months before enrollment, New York Heart Association (NYHA) heart function class III or IV, or LVEF < 50%; - Known to be allergic to the test drug ingredients; - Diagnosed with or being treated for malignancy other than lymphoma; - With severe infection; - Substance abuse, medical, psychological, or social conditions that may interfere with the subjects' participation in the study or evaluation of the study results; - Deemed unsuitable for the group.

Trial Details

Trial ID: This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.	NCT05896007
Phase Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans. Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data. Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs. Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.	Phase 2
Lead Sponsor The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.	Ruijin Hospital
Principal Investigator The person who is responsible for the scientific and technical direction of the entire clinical study.	N/A
Principal Investigator Affiliation	N/A
Agency Class Category of organization(s) involved as sponsor (and collaborator) supporting the trial.	Other
Overall Status	Recruiting
Countries	China
Conditions The disease, disorder, syndrome, illness, or injury that is being studied.	PCNSL

Additional Details

Participants will receive zanubrutinib in addition to first-line therapy consisting of rituximab and either MTX or TMZ. After treatment of 6 cycles with the new regimen, the patients achieving CR or PR would go on to receive zanubrutinib maintenance of 1 year (if tolerable).

Arms & Interventions

Arms

Experimental: ZR-chemo

Drug: Zanubrutinib, Rituximab and MTX (or TMZ, if intolerant to MTX)

Interventions

Drug: - Zanubrutinib

160 mg bid po, until disease progression, intolerance of drug toxicity or death, otherwise maintaining during the 1st year in 2 years of follow-up

Drug: - Rituximab

375 mg/m^2 ivgtt, D0 of each 28-day cycle

Drug: - Methotrexate

3.5 g/m^2 ivgtt, D1 of each 28-day cycle

Drug: - Temozolomide

150 mg/m^2 ivgtt, D1-D5 of each 28-day cycle

Contact a Trial Team

If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.

International Sites

Ruijin Hospital, Shanghai, Shanghai, China

Status

Recruiting

Address

Ruijin Hospital

Shanghai, Shanghai, 20025

Site Contact

ZHAO weili

zwl_trial@163.com

08664370045

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