NCT07031713 Safety, Efficacy and Cellular Metabolic Dynamics of ct1192 in Patients With Moderate to Severe Refractory SLE

Eligibility & Interventions

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What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 1 is the earliest stage of human testing — safety and dosage are the primary focus. Visits are frequent and medical supervision is intensive. You will be among the first people to receive this treatment.

This trial targets 12 participants in total. It began in 2025-07-11 with a primary completion date of 2026-12-31.

Brief Summary

A clinical study to explore the safety, efficacy and cell metabolic kinetics of universal CD19/20 car-t cell injection in moderate to severe refractory systemic lupus erythematosus. This study is a single arm, open, exploratory dose increasing clinical study, which aims to evaluate the safety, efficacy and cell metabolic dynamics of ct1192 cells in patients with SLE.

Eligibility Criteria

Inclusion Criteria: 1. Meet the EULAR/ACR 2019 SLE classification criteria, with a medical history of ≥ 6 months; 2. Voluntarily sign the Informed Consent Form (ICF); When signing the ICF, the age range is between 18 and 60 years old (including 18 and 60 years old), with no gender restrictions; 3. No systemic active infections (such as infectious pneumonia or tuberculosis) within the first 2 weeks of screening; 4. Women with fertility (defined as all physiologically capable women) must agree to use effective contraceptive methods from at least 28 days prior to the start of vaginal discharge until 1 year after CT1192 infusion. Egg donation is strictly prohibited within 1 year after receiving the study treatment infusion during the study period. Male partners with fertility must agree to use effective barrier contraception methods from the start of vaginal discharge until 1 year after CT1192 infusion, and should not donate semen or sperm throughout the entire study period; 5. Women with fertility must have a negative serum β - human chorionic gonadotropin (β - hCG) test result within 48 hours prior to screening and gonorrhea treatment. 6. Prior to screening, patients must have received a combination of glucocorticoids and immunosuppressants (including cyclophosphamide, mycophenolate mofetil, tacrolimus, methotrexate, cyclosporine, leflunomide) and/or biologics for at least 3 months, with a stable dose for at least 2 weeks and the disease still active. During screening, oral steroids must meet the following requirements: If hormone therapy is used alone, prednisone (or equivalent medication) should be ≥ 7.5 mg/day; When used in combination with immunosuppressants and/or biologics, there is no minimum daily dose requirement for hormones; 7. Positive for anti nuclear antibodies, anti ds DNA antibodies, and/or anti Smith antibodies during screening; 8. During the screening period, if the SLEDAI-2K score is ≥ 7 points, or if there is significant organ dysfunction, such as severe immune thrombocytopenia or lupus nephritis (histologically diagnosed as active nephritis type III or IV with or without type V); 9. Active organ involvement during screening (including kidneys, heart and lungs, musculoskeletal system, blood system, blood vessels, etc.; skin and mucosal involvement alone cannot be included); 10. Adequate organ function: 1. Renal function: defined as a creatinine clearance rate (Cockcroft Gault) calculated without hydration assistance of ≥ 50 mL/min; 2. Bone marrow function: defined as neutrophil count (ANC) ≥ 1.0 × 109/L and hemoglobin (Hb) ≥ 60 g/L. Blood transfusions and growth factors must not be used to meet these requirements within 7 days prior to eligibility screening; 3. Liver function: defined as alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 2 x upper limit of normal (ULN), total bilirubin ≤ 2 x upper limit of normal (ULN) 4. Coagulation function: defined as International Normalized Ratio (INR) or Activated Partial Thromboplastin Time (APTT) ≤ 1.5 × ULN; 5. Pulmonary function: Blood oxygen saturation (SpO2) ≥ 92% in indoor air (measured by pulse oximeter); 6. Cardiac function: defined as a left ventricular ejection fraction (LVEF) of ≥ 50% evaluated by echocardiography (ECHO) within the first 8 weeks of screening. Exclusion Criteria: 1. Patients with severe lupus nephritis within the first 2 months of screening need to undergo hemodialysis or receive prednisone ≥ 100 mg/d or equivalent hormone therapy for ≥ 14 days; 2. Have undergone plasma exchange, plasma separation, hemodialysis within 30 days prior to screening, or have had lupus crisis within 30 days prior to screening; 3. Individuals with a history of ≥ grade 2 bleeding or requiring long-term anticoagulant therapy within the 30 days prior to screening; 4. Screening for a history of any of the following cardiovascular diseases within the previous 30 days: Grade III or IV heart failure defined by the New York Heart Association (NYHA), myocardial infarction, unstable angina, uncontrolled or symptomatic atrial arrhythmias, any ventricular arrhythmias, or other clinically significant heart diseases; 5. Prior to screening, central nervous system manifestations caused by lupus, including but not limited to lupus headache, epileptic seizures, cognitive impairment, impaired intellectual function, visual impairment, etc; 6. Individuals with central nervous system diseases prior to screening include but are not limited to: cerebrovascular accidents, encephalitis, epilepsy, seizures/convulsions, stroke, severe brain injury, dementia, Parkinson's disease, cerebellar diseases, central nervous system vasculitis, cognitive dysfunction, organic brain syndrome, or psychiatric disorders; 7. No systemic active infections, including but not limited to active tuberculosis, within 2 weeks prior to screening; 8. Previously received CAR-T cell or other genetically modified T cell therapy, or have a history of major organ transplantation (such as heart, lung, kidney, liver) or hematopoietic stem cell/bone marrow transplantation; 9. Allergic or intolerant reactions to Qinglin drugs, tocilizumab, or life-threatening allergic reactions, hypersensitivity reactions, or intolerance to CT1192 preparations or their excipients (including dimethyl sulfoxide (DMSO)), or previous history of other severe allergies such as anaphylactic shock; 10. Screening for drugs targeting B cells, such as rituximab, that have been used within the previous 6 months; 11. Within the 12 weeks prior to screening, other biologics such as taceptil and belimumab have been used for treatment; 12. Hormone use ≥ 10 mg/day of prednisone (or equivalent) within 2 weeks prior to CT1192 infusion, with the use of physiological substitutes, topical and inhaled steroids allowed; 13. Received immunosuppressive agents that affect T cells (mycophenolate mofetil, methotrexate, cyclosporine, azathioprine, leflunomide, tacrolimus) within 2 weeks prior to CT1192 infusion; 14. Have received JAK inhibitors (tofacitinib, baritinib tablets, lukatinib, etc.) within 2 weeks prior to CT1192 infusion; 15. Have received attenuated live vaccine, inactivated vaccine or RNA vaccine within one month before screening; 16. Suffering from malignant tumors within 2 years prior to signing the ICF. Except for the following situations: non melanoma skin cancer that has undergone radical treatment, local prostate cancer, cervical carcinoma in situ confirmed by biopsy or squamous intraepithelial lesions detected by cervical smear, and breast carcinoma in situ that has been completely removed; 17. If a major surgery has been performed within 4 weeks prior to signing the informed consent form, or if a major surgery is planned during the study period, the researcher believes that it would pose unacceptable risks to the participants; During screening, there may be HIV, syphilis infection, active hepatitis B virus infection (HBsAg positive and HBV-DNA above the detection limit), or active hepatitis C virus infection (HCV antibody and HCV-RNA positive); 19\. Participate in other clinical studies within the first 3 months of screening or still within the five half lives after the last medication; 20. Merge major chronic diseases that have not been controlled and researchers believe may increase the risk for participants; 21. If there is a history or evidence of suicidal thoughts within the previous 6 months, or any suicidal behavior within the previous 12 months, the researcher believes that there is a significant risk of suicide; 22. Pregnant or lactating women; According to the researcher's assessment, participants have poor compliance, are unable or unwilling to comply with the requirements of the research protocol, or are not suitable to participate in this clinical study for other reasons. 5.5 Pre cleaning standard Before clearing, the following assessment needs to be completed. If the participant meets the following criteria, clearing can be performed. Otherwise, clearing cannot be performed or may need to be delayed. 1. Not using immunosuppressants in the week before Qinglin treatment; 2. Female participants with fertility potential who undergo pregnancy studies within 24 hours prior to the clearance of gonorrhea and have negative results; 3. Blood oxygen saturation ≥ 92% (under non auxiliary oxygen supply conditions); 4. Inactive or uncontrollable systemic infection; The use of anti infective drugs within 7 days before clearing gonorrhea must be reviewed by a medical inspector; 5. No signs of CNS disease or abnormal neurological examination results with clinical significance; 6. Serious abnormalities in heart, lung, liver, kidney function, and endocrine disorders, including but not limited to: newly developed arrhythmias or heart failure that cannot be controlled by medication; Hypotension requiring the use of vasopressors; Bacterial, fungal, or viral infections with increased activity/progression determined by researchers; 7. Researchers assess that participants are unable to comply with the requirements of the study protocol or are not suitable to continue the study in other situations. If a participant shows obvious abnormalities such as symptoms, signs, or test results during or after clearing the lymphatic system, the researcher must communicate with the cooperating medical monitor to discuss whether the participant is suitable to continue receiving CT1192 cell infusion.

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