Systemic Sclerosis Clinical Trial
Official title:
A Clinical Study on the Safety and Efficacy of Anti-CD19-CD3E-CAR-T Cells in the Treatment of Relapsed or Refractory Autoimmune Disease
This is an investigator-initiated trial to evaluate the safety and efficacy of anti-CD19-CD3E-CAR-T cells in the relapse or refractory autoimmune diseases.
Status | Recruiting |
Enrollment | 6 |
Est. completion date | April 15, 2026 |
Est. primary completion date | April 15, 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 65 Years |
Eligibility | Step 1. Assessment of eligibility for Enrollment Inclusion Criteria for Enrollment Common Inclusion Criteria: 1. Age between 18 and 65 years old (inclusive), regardless of gender. 2. Positive expression of CD19 on peripheral blood B cells confirmed by flow cytometry. 3. Functional requirements for major organs are as follows: 1) Bone marrow function must meet: A. Neutrophil count = 1×109/L (no colony-stimulating factor treatment within 2 weeks before examination); B. Hemoglobin = 60g/L; 2) Liver function: Alanine aminotransferase (ALT) = 3×ULN (excluding ALT elevation due to inflammatory myopathy), aspartate aminotransferase (AST)=3×Upper limit of normal (ULN) (excluding AST elevation due to inflammatory myopathy), TBIL=1.5×ULN (or = 3.0×ULN for subjects with Gilbert syndrome); 3) Renal function: creatinine clearance rate (CrCl) = 30ml/minute (calculated by Cockcroft/Gault formula, acute CrCl decrease due to the target disease is excluded); 4) Coagulation function: International standardized ratio (INR) <1.5×ULN, prothrombin time (PT) <1.5×ULN; 5) Cardiac function: Stable hemodynamic. 4. Female subjects of childbearing potential and male subjects with partners of childbearing potential must use medically approved contraception or abstinence during the study treatment period and for at least 6 months after the end of the study treatment; Female subjects of childbearing potential must have a negative Human chorionic gonadotropin (HCG) test within 7 days before study enrollment and not be lactating. 5. Willing to participate in this clinical study, sign an informed consent form, have good compliance, and cooperate with follow-up. Disease-Specific Inclusion Criteria Refractory/Relapsed SLE: 1. SLE fulfilling the 2019 the American College of Rheumatology (ACR) /European League Against Rheumatism (EULAR) and classification criteria. 2. Systemic lupus erythematosus disease activity index (SLEDAI)-2000 score = 6 with at least one BILAG (British Isle Lupus Rating Group Index 2004) A or two BILAG B; or SLEDAI-2000 score = 8. 3. Definition of relapsed/refractory: Conventional treatment over 6 months remains ineffective, or disease recurrence after remission. Definition of conventional treatment: the use of glucocorticoids and cyclophosphamide, and any one or more of the following immunomodulatory drugs: antimalarials, azathioprine, mycophenolate mofetil, methotrexate, leflunomide, tacrolimus, cyclosporine, and biologics including belimumab, rituximab, and tocilizumab, etc. Refractory/Relapsed Sjogren's syndrome: 1. Primary Sjogren's syndrome fulfilling the 2002 AECG criteria or the 2016 ACR/EULAR classification criteria. 2. EULAR Sjögren's Syndrome Disease Activity Index (ESSDAI) = 6 3. Positive anti-SSA/Ro antibodies 4. Definition of relapsed/refractory: Conventional treatment over 6 months remains ineffective, or disease recurrence after remission. Definition of conventional treatment: the use of glucocorticoids and cyclophosphamide, and any one or more of the following immunomodulatory drugs: antimalarials, azathioprine, mycophenolate mofetil, methotrexate, leflunomide, tacrolimus, cyclosporine, and biologics including belimumab, rituximab, and tocilizumab, etc. Refractory/Relapsed/Progressive Systemic Sclerosis: 1. Scleroderma fulfilling the 2013 ACR classification criteria 2. Positive scleroderma-related antibodies. 3. Presence of diffuse cutaneous sclerosis or active interstitial lung disease (high-resolution computed tomography (HRCT) showing ground-glass opacities); 4. Definition of relapsed/refractory: Conventional treatment over 6 months remains ineffective, or disease recurrence after remission. Definition of conventional treatment: the use of glucocorticoids and cyclophosphamide, and any one or more of the following immunomodulatory drugs: antimalarials, azathioprine, mycophenolate mofetil, methotrexate, leflunomide, tacrolimus, cyclosporine, and biologics including belimumab, rituximab, and tocilizumab, etc. 5. Definition of progressive: Rapid skin progression (mRSS increase > 25%); or progression of lung disease (forced vital capacity (FVC) decrease by 10%, or FVC decrease by more than 5% with diffusing capacity of the lung for carbon monoxide (DLCO) decrease by 15%). Note: Meeting either criterion 4 or 5 is sufficient. Refractory/Relapsed/Progressive Inflammatory Myopathy: 1. Inflammatory myopathy fulfilling the 2017 EULAR/ACR classification criteria (including Dermatomyositis (DM), Polymyositis (PM), Anti-Synthetase Syndrome (ASS), and Necrotizing Myopathy (NM)). 2. Positive myositis antibodies; 3. Muscle involvement with Manual Muscle Testing-8 (MMT-8) score less than 142 and at least two abnormalities found among the following five core measurements (Physician Global Assessment (PhGA), Patient Global Assessment (PtGA), or extramuscular disease activity score = 2; Health Assessment Questionnaire (HAQ) total score = 0.25; muscle enzyme levels = 1.5×ULN; or MMT-8 = 142, but with active interstitial lung disease (HRCT showing ground-glass opacities); 4. Definition of relapsed/refractory: Conventional treatment over 6 months remains ineffective, or disease recurrence after remission. Definition of conventional treatment: the use of glucocorticoids and cyclophosphamide, and any one or more of the following immunomodulatory drugs: antimalarials, azathioprine, mycophenolate mofetil, methotrexate, leflunomide, tacrolimus, cyclosporine, and biologics including belimumab, rituximab, and tocilizumab, etc. 5. Definition of progressive: Rapid progression of interstitial lung disease within a short period. Note: Meeting either criterion 4 or 5 is sufficient. Refractory/Relapsed ANCA-Associated Vasculitis: 1. ANCA-Associated Vasculitis fulfilling 2022 ACR/EULAR criteria, including microscopic polyangiitis, granulomatosis with polyangiitis, and eosinophilic granulomatosis with polyangiitis. 2. Positive ANCA-associated antibodies (MPO-ANCA or PR3-ANCA positive). 3. The Birmingham Vasculitis Activity Scale (BVAS) = 15 points (a total score of 63 points), indicating active vasculitis. 4. Definition of refractory/relapsed: Conventional treatment over 6 months remains ineffective, or disease recurrence after remission., or disease recurrence after remission. Definition of conventional treatment: the use of glucocorticoids and cyclophosphamide, and any one or more of the following immunomodulatory drugs: antimalarials, azathioprine, mycophenolate mofetil, methotrexate, leflunomide, tacrolimus, cyclosporine, and biologics including belimumab, rituximab, and tocilizumab, etc. Refractory/Relapsed/Catastrophic Antiphospholipid Syndrome: 1. Primary antiphospholipid syndrome fulfilling 2006 Sydney criteria. 2. Positive phospholipid antibodies with medium to high titers (IgG/IgM for Lupus Anticoagulant (LA), Beta-2 Glycoprotein 1 (B2GP1), or Anticardiolipin (aCL), positive more than twice within 12 weeks). 3. Definition of refractory/relapsed: Standard treatment with warfarin anticoagulation or alternative vitamin K antagonist therapy (maintaining treatment-required INR) or standard therapeutic dose of low molecular weight heparin (LMWH) and use of steroids and cyclophosphamide for recurrent thrombosis; 4. Catastrophic antiphospholipid syndrome needs to meet the following four criteria: (1) involvement of three or more organs, systems, and/or tissues; (2) symptoms occurring within one week; (3) histological confirmation of small vessel occlusion in at least one organ or tissue; (4) positive aPL antibodies. Note: Meeting either criterion 3 or 4 is sufficient. Exclusion Criteria: 1. Subjects with a history of severe drug allergies or allergic tendencies; 2. Presence or suspicion of uncontrolled or treatment-required fungal, bacterial, viral, or other infections; 3. Subjects with central nervous system diseases caused by autoimmune diseases or non-autoimmune diseases (including epilepsy, psychosis, organic brain syndrome, cerebral vascular accidents, encephalitis, central nervous system vasculitis); 4. Subjects with insufficient cardiac function; 5. Subjects with congenital immunoglobulin deficiencies; 6. History of malignancy within five years; 7. Subjects with end-stage renal failure; 8. Subjects who are positive for hepatitis B surface antigen (HBsAg) or hepatitis B core antibody (HBcAb) with peripheral blood HBV DNA >ULN; subjects positive for hepatitis C virus (HCV) antibody and peripheral blood HCV RNA; individuals positive for human immunodeficiency virus (HIV) antibody; individuals positive for syphilis testing; 9. Subjects with psychiatric disorders and severe cognitive impairments; 10. Subjects who have participated in other clinical trials within the past 3 months prior to enrollment; 11. Subjects who have received biologics with therapeutic effects for indications within 4 weeks prior to enrollment; 12. Subjects who have received immunosuppressive agents with therapeutic effects for indications within 2 weeks prior to enrollment; 13. Subjects who have received >10mg/d prednisone or equivalent dose of other steroids within 2 weeks prior to enrollment; 14. Pregnant women or women planning to conceive; 15. Subjects whom the investigator believes have other reasons that make them unsuitable for inclusion in this study. Step 2. Assessment of eligibility for CAR-T Cells Infusion Inclusion Criteria 1. Completion of Step 1 and successful preparation of CAR-T cell product; 2. Adequate organ function, defined as: 1) Creatinine clearance rate (Cockcroft and Gault) >30 mL/min/1.73 m2, excluding acute decrease in CrCl due to the target disease; 2) ALT/AST = 3×ULN (excluding liver enzyme elevation caused by inflammatory diseases); TBIL = 1.5×ULN (Gilbert's syndrome allows TBIL = 3×ULN). Exclusion Criteria 1. Systemic fungal, bacterial, viral, or other infection that is not controlled (defined as exhibiting ongoing signs/symptoms related to the infection and without improvement, despite appropriate antibiotics or other treatment); 2. >10mg/d prednisone or equivalent dose of other steroids within 72 hours prior to CAR-T infusion. |
Country | Name | City | State |
---|---|---|---|
China | Shanghai ChangZheng hospital | Shanghai |
Lead Sponsor | Collaborator |
---|---|
Shanghai Changzheng Hospital |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The incidence of dose-limiting toxicities (DLTs) (Safety) | Safety assessments, including the incidence of dose-limiting toxicities (DLTs) in patients receiving CAR-T cells, are conducted using the NCI-CTCAE version 5.0 standards. | Up to 28 days from CAR-T infusion | |
Primary | Proportion of patients for whom the desired dose of anti-CD19-CD3E-CAR-T cells can be successfully manufactured | Proportion of patients for whom the desired dose of anti-CD19-CD3E-CAR-T cells can be successfully manufactured | Up to 21 days from apheresis | |
Primary | Clinical response for relapsed/Refractory SLE | SLE Response Index 4 (SRI-4) response: Min/Max Value: Not specified; a decrease in score indicates improvement; higher scores indicate worse outcome. | 12 weeks post CAR-T infusion | |
Primary | Clinical response for Sjögren's Syndrome | Sjögren's tool for assessing response (STAR): Min/Max Value: Not specified; a decrease in score indicates improvement; higher scores indicate worse outcome. | 12 weeks post CAR-T infusion | |
Primary | Clinical response for relapsed/refractory/progressive systemic sclerosis | Composite Response Index in Systemic Sclerosis (CRISS): Min/Max Value: 0 to 1 (expressed as a probability); closer to 1 indicates a better response; higher scores indicate better outcome. | 12 weeks post CAR-T infusion | |
Primary | Clinical response for relapsed/refractory/progressive inflammatory myopathy | Total Improvement Score (TIS):Min/Max Value: Not specified; an increase in score indicates improvement; higher scores indicate better outcome. | 12 weeks post CAR-T infusion | |
Primary | Clinical response for relapsed/refractory anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis: | Birmingham vasculitis activity score (BVAS) score:Min/Max Value: 0 to 63; an increase in score indicates worsening condition; higher Scores Indicate: Worse Outcome. | 12 weeks post CAR-T infusion | |
Primary | Clinical response for relapsed/refractory/Catastrophic Antiphospholipid Syndrome | Evaluation of new thrombosis as an indicator of relapsed/refractory/catastrophic Antiphospholipid Syndrome; higher scores Indicate worse outcome (indicates progression of the syndrome). | 12 weeks post CAR-T infusion |
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