Clinical Study of ZM001 Injection in the Treatment of Refractory Systemic Lupus Erythematosus

ZM001 injection, 2.5× 10\^7 CAR-T cells, 5× 10\^7 CAR-T cells, 1× 10\^8 CAR-T cells and 2× 10\^8 CAR-T cells, treatment follows a lymphodepletion. Drug: Fludarabine Recommendation: 30 mg/m\^2 (D-5\~D-3), determined by tumor burden at baseline. Drug: Cyclophosphamide Recommendation: 300 mg/ m\^2 (D-5\~D-3), determined by tumor burden at baseline. Drug: Cyclophosphamide Recommendation: 300 mg/ m\^2 (D-5\~D-3), determined by tumor burden at baseline.