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Prospective multicenter clinical study of the combination of remifentanil and autologous hematopoietic stem cell transplantation, obetinib, and sintilimab in the treatment of primary first-line/relapsed refractory diffuse large B-cell lymphoma of the central nervous system

Prospective multicenter clinical study of the combination of remifentanil and autologous hematopoietic stem cell transplantation, obetinib, and sintilimab in the treatment of primary first-line/relapsed refractory diffuse large B-cell lymphoma of the central nervous system

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500109605
Enrollment
Unknown
Registered
2025-09-23
Start date
2026-02-01
Completion date
Unknown
Last updated
2026-05-18

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

Conditions

Diffuse large B-cell lymphoma of the central nervous system

Interventions

Experimental group:Regorafenapyr combined with autologous hematopoietic stem cell transplantation, ozantinib, and sintilimab

Sponsors

The First Affiliated Hospital of Zhengzhou University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1.Age range: 18-60 years old; 2.ECOG score is 0-2 points; 3.Have not received CAR-T cell or ASCT treatment in the past; 4.Expected survival period of more than 3 months; 5.No history of malignant tumors (excluding indolent malignant tumors such as carcinoma in situ) or no active lesions in the tumor and completion of treatment>1 year; 6.Pathologically diagnosed PCNSL (lymphoma confined to the central nervous system, without involvement of other parts of the body, and with the pathological tissue type being diffuse large B-cell lymphoma or with central invasion and the pathological tissue type being diffuse large B-cell lymphoma of systemic origin); 7.Immunohistochemical marker CD19 expression is positive; 8.No contraindications for CAR-T cell and ASCT therapy; 9.During this treatment period, if other anti-tumor drugs are not used simultaneously, bisphosphonates can be used for anti bone metastasis treatment and other symptomatic treatments; 10.Can understand the situation of this study and sign an informed consent form; 11.Refractory is defined as patients who did not achieve complete remission after the first-line treatment (except for those who were intolerant to the first-line treatment): The best efficacy of the first-line treatment was PD; The best efficacy after at least 4 cycles of first-line treatment (such as 4 cycles of R-CHOP) was SD; The first-line treatment was administered for at least 6 cycles and there were residual lesions or disease progression occurred after less than 12 months of treatment.Refractory is defined as patients who did not achieve complete remission after the first-line treatment (except for those who were intolerant to the first-line treatment): The best efficacy of the first-line treatment was PD; The best efficacy after at least 4 cycles of first-line treatment (such as 4 cycles of R-CHOP) was SD; The first-line treatment was administered for at least 6 cycles and there were residual lesions or disease progression occurred after less than 12 months of treatment. 12.Recurrent is defined as a complete remission after the first-line treatment, and the recurrence occurs within < 12 months after the end of the treatment.

Exclusion criteria

Exclusion criteria: 1.Pregnant or lactating women; 2.Persons with any uncontrollable medical disease (including active infection, uncontrolled diabetes, severe heart disease, liver and kidney dysfunction, interstitial pneumonia, etc.); 3.Within 7 days before CD19 CAR-T cell therapy, corticosteroids (excluding dexamethasone greater than or equal to 5mg and equivalent doses of other types of corticosteroids) should be used; 4.Individuals with a history of autoimmune diseases; 5.Patients with contraindications to chemotherapy, such as those with concomitant cachexia; 6.There are uncontrolled infected patients; 7.Individuals with a history of difficult to control mental illness; 8.Researchers believe that participants who are not suitable for this experiment; 9. Obinutinib, fluoromucinide, carmustine, cimetidine, PD-1/PD-L1 monoclonal antibodies. For patients who have used more than 2 of these drugs and have developed resistance.

Design outcomes

Primary

MeasureTime frame
Overall Survival ;

Secondary

MeasureTime frame
Progression free survival (PFS);Partial response(PR) and Complete response(CR);Objective response rate (ORR);

Countries

China

Contacts

Public ContactZhang Mingzhi

The First Affiliated Hospital of Zhengzhou University

mingzhi_zhang@126.com+86 371 66295562

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 22, 2026