RecruitingPhase 1Drug trialA Study to Assess the Safety and PK/PD of LBL-047 in Healthy Adults and Patients With Systemic Lupus ErythematosusA Double-blind, Randomized, Placebo-controlled, Dose-escalation Phase I Study to Assess the Safety and PK/PD of LBL-047 Subcutaneous Injection in Healthy Adults and Patients with Systemic Lupus Erythematosus.