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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT05091541
Other study ID # CT120C001
Secondary ID
Status Not yet recruiting
Phase Phase 1/Phase 2
First received
Last updated
Start date October 20, 2021
Est. completion date October 20, 2039

Study information

Verified date October 2021
Source Nanjing IASO Biotherapeutics Co.,Ltd
Contact Ming Wu
Phone +86 0531-58287610
Email ming.wu@iasobio.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study is a single-armed, open-label,multicenter Phase 1/2 study to evaluate the safety and efficacy of CT120 in subjects with relapsed/refractory B-cell non-Hodgkin's lymphoma.


Description:

Leukapheresis procedure will be performed to manufacture CT120. Bridging therapy is allowed between PBMC collection and lymphodepletion. Lymphodepletion with fludarabine and cyclophosphamide was performed for three consecutive days. After 1-day rest, subjects will receive a single dose infusion of CT120. Subjects will be followed in the study for a minimum of 2 years after CT120 infusion. Long-term follow-up for lentiviral vector safety will be followed for up to 15 years after CT120 infusion.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 125
Est. completion date October 20, 2039
Est. primary completion date October 20, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 70 Years
Eligibility Inclusion Criteria: 1. Age between 18 and 70 years old. 2. Pathologically confirmed B-cell non-Hodgkin's lymphoma, including: (1) Diffuse large B-cell lymphoma (DLBCL); (2) Histopathological Grade 3b follicular lymphoma (FL3b); (3) Follicular lymphoma with diffuse large B cell transformation; (4) Primary mediastinal large B-cell lymphoma (PMBCL). 3. Relapsed/refractory B-cell non-Hodgkin's lymphoma must meet one of the following criteria: 1. At least 2 failed prior B-cell non-Hodgkin's lymphoma treatment regimens (including relapse, no response, and progression). Prior therapy must have included anti-CD20 monoclonal antibodies (except for CD20-negative subjects) and standard therapies which including anthracyclines; 2. Recurrence after autologous hematopoietic stem cell transplantation; 3. Primary resistance: After 2 cycles of initial anti-CD20 monoclonal immunochemotherapy, the best response was stable disease or disease progression. 4. At least 1 measurable lesion as following: 1. The long axis of the lymph node lesions should be =15mm (and the length of the short axis is measurable), or; 2. The lengths of extra-lymph node lesions should be =10mm in both the long and short axis. 5. Expected survival time=12 weeks. 6. Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. 7. Adequate organ function before enrollment, and meet all the following laboratory test results: 1. Blood routine: neutrophils =1.0 ×109/L (granulocyte colony stimulating factor (G-CSF) is allowed within 7 days before the examination), lymphocytes =0.3 ×109 /L, platelets =50 ×109 /L (must have not received blood transfusion [including component transfusion] or treatments that include thrombopoietin [TPO] for the purpose of raising platelets within 7 days before the examination), hemoglobin =80g/L (must have not received blood transfusion [including component blood transfusion] within 7 days before the examination); 2. Blood coagulation function: fibrinogen=1.0g/L; activated partial thromboplastin time=1.5×ULN, prothrombin time (PT)=1.5×ULN; 3. Liver function: ALT and AST=2.5×ULN; serum total bilirubin=1.5×ULN; 4. Renal function: creatinine clearance rate CrCl =60 mL/min estimated by Cockcroft-Gault; 5. Left ventricular ejection fraction (LVEF)=50% estimated by echocardiography; 6. Baseline oxygen saturation > 91% on room air. 8. Females and males with childbearing potential should take effective contraception from the day of signing the informed consent form to 365 days after the CT120 infusion. Effective contraception is defined as: abstinence or contraceptive methods with an annual failure rate of <1% indicated in section 9.8 of this protocol. 9. Subject is willing to participate in this trial and sign an informed consent form. Exclusion Criteria: 1. Subjects who have received or require the following treatments: (1) Prior CAR-T cell therapy before enrollment; (2) Presence of acute or chronic graft-versus-host disease (GVHD) requires systemic treatment within 4 weeks before enrollment; (3) History of immunodeficiency or other diseases and autoimmune diseases (eg Crohn's disease, rheumatoid arthritis, systemic lupus erythematosus, etc.) received immunosuppressive therapy within 2 years before enrollment; (4) Autologous hematopoietic stem cell transplantation (autoSCT) within 12 weeks before enrollment and history of allogeneic stem cell transplantation (HSCT); (5) Live vaccines injection within 4 weeks before enrollment; (6) According to investigator's discretion, there is a need to use systemic corticosteroid therapy within 12 weeks after the administration of the study drug (except for hydrocortisone =12mg/m2/day or other hormones converting into the same dose range for physiological replacement therapy) or other immunosuppressive drug therapy (except local therapy). 2. B-cell non-Hodgkin's lymphoma patients with active central nervous system or intestinal parenchyma invasion. 3. Excessive tumor burden and any lesions with a long axis =10cm. 4. Other active malignant tumors in the past 5 years, except for curable tumor that has been completely cured, such as basal or squamous cell carcinoma, cervical or breast carcinoma in situ, etc. 5. Positive hepatitis B surface antigen (HBsAg) or hepatitis B core antibody (HBcAb) and an abnormal HBV DNA result detected by peripheral blood test (abnormal HBV DNA result is defined as: the quantitative detection of HBV DNA is over the detectable lower limit or beyond the normal reference of the testing center or HBV viral DNA positive); Hepatitis C virus (HCV) antibody positive and peripheral blood HCV RNA positive; Human immunodeficiency virus (HIV) antibody positive; Cytomegalovirus (CMV) DNA test positive; syphilis test positive. 6. Uncontrollable active infections (except for genitourinary system infections and upper respiratory tract infections < CTCAE Grade 2). 7. Severe heart disease: including but not limited to unstable angina, myocardial infarction (within 6 months before screening), congestive heart failure (New York Heart Association [NYHA] classification = Grade III), severe arrhythmia. 8. Hypertension that cannot be controlled by medication. 9. Adverse events during prior therapies have not relieved to baseline or =1 (according to NCI-CTCAE v5.0, except for alopecia). 10. Major surgery within 2 weeks before enrollment, or surgeries that were planed while waiting for infusion or within 12 weeks after receiving investigational product (except planned local anesthesia surgery). 11. History of organ transplant. 12. Pregnant or lactating women. 13. Previous central nervous system diseases (such as cerebral aneurysm, epilepsy, stroke, Alzheimer's disease, mental illness, etc.) or mental disorders. 14. Unstable systemic diseases judged by other researchers: including but not limited to severe liver, kidney, or metabolic diseases that require medication. 15. Other unsuitable situations for enrollment judged by investigators.

Study Design


Intervention

Drug:
Fully Human Anti-CD19/CD22 Dual Target Chimeric Antigen Receptor Autologous T Cell Injection
CT120 is an autologous CD19/22 targeted CAR-T cells injection. The dosage form is a cryopreserved injection solution. The T cells aphesis from subjects then been manufactured to express CAR to binding CD19 and CD22 on B-cell lymphoma.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Nanjing IASO Biotherapeutics Co.,Ltd

Outcome

Type Measure Description Time frame Safety issue
Other Immunogenicity Development of an anti-CAR antibody response Up to 2 years after CT120 infusion
Other Replication competent lentivirus (RCL) The incidence of replication competent lentivirus (RCL) Up to 15 years after CT120 infusion
Other Changes in the proportion of peripheral blood lymphocyte subsets Changes in the proportion of lymphocyte subsets in the peripheral blood will be analyzed by immune cell phenotyping using flow cytometry. Up to 2 years after CT120 infusion
Other Correlation between cytokines/inflammation-related proteins and Incidence of Adverse Event Up to 2 years after CT120 infusion
Other Correlation between cytokines/inflammation-related proteins and efficacy Up to 2 years after CT120 infusion
Other Correlation between efficacy and CD19/CD22 antigen expression in tumor tissues Up to 2 years after CT120 infusion
Other Correlation between efficacy and gene mutations including MYC, BCL2 and BCL6 rearrangements Up to 2 years after CT120 infusion
Other Correlation between efficacy and and the expression of oncogenes including C-myc and BCL Up to 2 years after CT120 infusion
Primary Phase 1: Types and incidence of Dose-limiting toxicity (DLT) Dose-limiting toxicity (DLT) will be collected and graded according to American Society for Transplantation and Cellular Therapy (ASTCT) consensus (for CRS/ICANS) and CTCAE v5.0(for AE except CRS/ICANS) up to 28 days after CT120 infusion
Primary Phase 1:Types and incidence of adverse events (AEs) ,serious adverse events (SAEs) and adverse events of special interest (AESI) AE will be collected and graded according to American Society for Transplantation and Cellular Therapy (ASTCT) consensus (for CRS/ICANS) and CTCAE v5.0(for AE except CRS/ICANS) Up to 2 years after CT120 CAR T-cells infusion
Primary Phase 2:Overall response rate (ORR) at Day 90 ORR will be calculated as the percentage of patients who achieved partial response (PR) or better at Day 90 Up to 90 Days after CT120 infusion
Secondary Overall response rate (ORR) ORR will be calculated as the percentage of patients who achieved partial response (PR) or better. Up to Day 28?Day 90?Day180 after CT120 infusion
Secondary Time to Response (TTR) Time from CT120 infusion to first documentation of response. Up to 2 years after CT120 infusion
Secondary Time to complete Response (TTCR) Time from CT120 infusion to first documentation of complete response. Up to 2 years after CT120 infusion
Secondary Duration of Response (DOR) Time from first response to disease progression or death from any cause Up to 2 years after CT120 infusion
Secondary Progression-free Survival (PFS) PFS will be calculated as the time from CT120 infusion to disease progression or death from any cause (whichever occurs first). Up to 2 years after CT120 infusion
Secondary Overall Survival (OS) Time from CT120 infusion to time of death due to any cause Up to 2 years after CT120 infusion
Secondary Quantity of CAR copies in peripheral blood CAR copies in peripheral blood will be measured by quantitative polymerase chain reaction (qPCR) in 2 years. Up to 2 years after CT120 infusion
Secondary Quantity of CAR T-cells level in peripheral blood CAR T-cells in peripheral blood will be measured by flow cytometry (FCM) in 2 years Up to 2 years after CT120 infusion
Secondary Laboratory tests Abnormal results of laboratory tests Up to 2 years after CT120 infusion
Secondary Vital signs Abnormal results of vital signs Up to 2 years after CT120 infusion
Secondary Physical examination Abnormal results of physical examination Up to 2 years after CT120 infusion
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