Status:

UNKNOWN

Toripalimab Combine With Rituximab for Treatment of Relapsed Refractory CD20 Positive Diffuse Large B-cell Lymphoma

Lead Sponsor:

Chinese Academy of Medical Sciences

Conditions:

Diffuse Large B-cell Lymphoma

Rituximab

Eligibility:

All Genders

18-80 years

Phase:

PHASE2

Brief Summary

Exploring the efficacy and safety of Toripalimab with Rituximab for treatment of relapsed refractory CD20 positive diffuse large B-cell lymphoma.

Detailed Description

Toripalimab is a recombinant, humanized programmed death receptor-1 (PD-1) monoclonal antibody that binds to PD-1 and prevents binding of PD-1 with programmed death ligands 1 (PD-L1) and 2 (PD-L2). Ri...

Eligibility Criteria

Inclusion

  • Age ≥18 years old;
  • According to the WHO 2016 classification criteria, the CD20 positive diffuse large B-cell lymphoma (DLBCL) diagnosed by pathology should include the indicators of immunohistochemistry: CD10, BCL-2, MUM-1, BCL-6 and C-MYC;
  • Relapsed or refractory DLBCL.Patients younger than 65 years should relapse or progress after receiving at least second-line treatment, and patients 65 years of age and older could be intolerant to second-line treatment, and they who relapse or progress after receiving first-line treatment;
  • There is at least one measurable lesion, defined as measurable dual-diameter, intra-lymph node lesion, short diameter\> 1.5cm, extra-lymph node lesion short diameter\> 1.0cm;
  • Recurrence confirmed by pathological biopsy and CD20 positive;
  • ECOG score 0-2 points;
  • No autoimmune diseases;
  • Blood routine examination meets the following criteria:
  • Neutrophil count ≥ 1.5 x 109 / L,;
  • Platelet ≥ 75 x 109 / L,;
  • Hemoglobin ≥ 10.0 g / dL;
  • The main organ function meets the following criteria:
  • Aspartate aminotransferase and alanine aminotransferase ≤ 2.0 times the upper limit of normal value;
  • Bilirubin ≤ 2.0 mg / dL;
  • Creatinine clearance rate ≥ 60 mL / min;
  • Patients must agree to take effective contraceptive measures during the study according to the investigator's request;
  • Understand and voluntarily sign written informed consent.

Exclusion

  • Diagnosed as transformed diffuse large B-cell lymphoma;
  • Diagnosed as double-hit diffuse large B-cell lymphoma (DHL);
  • Diagnosed as primary or secondary central nervous system lymphoma;
  • HBV DNA positive or HCV RNA positive patients;
  • Left ventricular ejection fraction \<50%;
  • Patients with history of autoimmune diseases, including but not limited to systemic lupus erythematosus, rheumatoid arthritis, Sjogren's syndrome, ankylosing spondylitis
  • Patients are using or have been used immunosuppressive drugs
  • Patients with ≥2 grade peripheral neuropathy

Key Trial Info

Start Date :

June 15 2020

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 31 2022

Estimated Enrollment :

20 Patients enrolled

Trial Details

Trial ID

NCT04425824

Start Date

June 15 2020

End Date

December 31 2022

Last Update

June 16 2020

Active Locations (1)

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1

Cancer Institute/Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College

Beijing, China