BCMA-CD19 cCAR T Cell Treatment of Relapsed/Refractory Systemic Lupus Erythematosus (SLE)

  • STATUS
    Recruiting
  • End date
    Apr 30, 2025
  • participants needed
    15
  • sponsor
    iCell Gene Therapeutics
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Updated on 4 October 2022
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Summary

This is a phase I, interventional, single arm, open label, treatment study to evaluate the safety and tolerability of BCMA-CD19 cCAR T cells in patients with relapsed and/or refractory SLE.

Description

Systemic lupus erythematous (SLE) is a chronic diffuse connective tissue disease with unexplained etiology that can involve multiple systems in the body. SLE is considered as an incurable disease and traditional SLE treatment aims at long-term remission. Glucocorticoids combined with immunosuppressive agents are still the main treatment strategies. Recently, biological agents targeting abnormal immune cells, such as rituximab and belimumab, which deplete B cells have also achieved some success in the treatment of SLE. However, these agents cannot permanently reverse the production of abnormal antibodies as they are unable to eliminate pathogenic long-lived plasma cells. The BCMA-CD19 CAR T-cells are designed to deplete antibody-producing 'root", B cells and plasma cells.

Details
Condition Relapsed/Refractory, Systemic Lupus Erythematosus (SLE)
Treatment BCMA-CD19 cCAR T cells
Clinical Study IdentifierNCT05474885
SponsoriCell Gene Therapeutics
Last Modified on4 October 2022

Eligibility

 Yes No Not Sure

Inclusion Criteria

Age: 18~65 years old
Expected survival period ≥ 3 months
Serum creatinine <221.0μmol/L (2.5mg/dl)
AST/ALT below 3 times the upper limit of normal, blood bilirubin <34.2 μmol/L (2.0 mg/dl)
Cardiopulmonary function is basically normal, echocardiography indicates that the ejection fraction is >50%, and the oxygen saturation is above 94% in the resting state without oxygen
No obvious active infection
Physical fitness score 0~2 points (ECOG standard)
There are suitable veins for blood cell apheresis or whole blood collection, and there are no contraindications for blood collection
Since the effect of CAR T cell therapy on the fetus is unknown, women of childbearing age should have a negative serum or urine pregnancy test 48 hours before CAR T cell reinfusion, and agree to take effective measures during the trial until the last follow-up. contraceptive measures
Voluntary participation and informed consent signed by the patient or his/her legal/authorized representative

Exclusion Criteria

Severe systemic lupus erythematosus: BILAG score at least 1 system is A and (or) >2 systems reach B, or SELENA SLEDAI>12 points
CNS disease: Active central nervous system (CNS) lupus (including epilepsy, psychosis, organic encephalopathy syndrome, cerebrovascular accident [CVA], encephalitis or CNS vasculitis), visual Disorders, cranial neuropathy requiring intervention
Abnormal liver function: aspartate transaminase (AST) or alanine transaminase (ALT) or glutamyl transpeptidase (GGT) detection value is greater than 3 times the upper limit of normal (ULN); or alkaline phosphatase ( ALP) or total bilirubin test value greater than 1.5 times the upper limit of normal (ULN)
Kidney disease: hemodialysis or high-dose glucocorticoid treatment is required within 90 days before visit 2, such as prednisone (or equivalent dose of glucocorticoid) ≥ 100 mg/d, or creatinine (Cr) or blood urea nitrogen (BUN) detection value greater than 1.5 times the upper limit of normal (ULN), or eGFR ≤ 60ml/min before visit 2. eGFR is calculated using the MDRD formula: eGFR (ml/min×1.73m^2)=186×serum creatinine (Scr)-1.154×age-0.203× (multiply by 0.724 if the subject is a female)
Cardiovascular disease: history of acute myocardial infarction, or unstable angina pectoris, severe arrhythmia (multi-source frequent premature ventricular tachycardia, ventricular tachycardia, ventricular fibrillation) in the past 6 months; New York heart function class (NYHA) class III- Level IV
Other uncontrolled diseases: acute or chronic diseases (such as acute pneumonia, pulmonary hypertension, diabetic ketoacidosis, acute pancreatitis, etc.) that are clinically unstable or have not been effectively controlled and are not related to SLE. judgments that may confound study results or place subjects at undue risk
Infection: Subject has acute or chronic infection requiring treatment (eg, tuberculosis, pneumocystis, cytomegalovirus, herpes simplex virus, herpes zoster, and atypical mycobacteria)
Surgery or other conditions: planning to undergo surgery or have any other medical history (eg, recent history of sepsis), abnormal laboratory tests, or other conditions, judged by the investigator to be inappropriate to participate in this study
Biologics therapy: Received any drug therapy (antibody, inhibitor or agonist) targeting T, B lymphocytes, cytokines or receptors within two months
Participated in any clinical study within 3 months prior to enrollment
The use of contraindicated drugs or therapies may affect the judgment of the efficacy of CART: 1) Received any of the following treatments within 90 days before Visit 2: (1) Intravenous immune globulin (IVIG); (2) Oral high-dose glucocorticoids Hormones, such as prednisone >100mg/d; (3) plasma exchange, leukotomy; 2) new immunosuppressive/immune modulators were added within 60 days before visit 2, and the disease is still under control
Received live vaccine treatment within 30 days prior to Visit 2
Transplantation: History of vital organ transplantation (eg, heart, lung, kidney, liver) or hematopoietic stem cell/or bone marrow transplantation
HIV positive
Active hepatitis B or C
Suffering from malignant tumors of other organs at the same time
Pregnant or lactating women
Inability to understand or follow the research protocol
Participate in other clinical investigators during the same period
Have any other clinically significant disease history or current disease that, in the judgment of the research physician, may pose a risk to the safety of the subjects, or interfere with the completion of the research procedure and the evaluation of safety and efficacy
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