About this trial
This study is a randomized, double-blind, placebo-controlled Phase I clinical trial featuring single and multiple ascending doses. It is designed to evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PD), immunogenicity, and preliminary efficacy of CC312 in adult patients with moderate to severe systemic lupus erythematosus (SLE).
Eligibility criteria
Qualifiers
Fully understand the trial's purpose, nature, methodology, and potential adverse reactions, voluntarily participate as a subject, and sign the informed consent form.
Aged 18 to 65 years (inclusive, based on the date of signing the informed consent form), regardless of gender.
Diagnosed with systemic lupus erythematosus (SLE) according to the 2019 EULAR/ACR classification criteria.
SLEDAI-2000 score ≥7 with at least one BILAG A or two BILAG B domains, despite standard therapy.
Disqualifiers
Severe lupus nephritis within 8 weeks prior to screening (defined as urinary protein >6 g/24 h, or serum creatinine >2.5 mg/dL or 221 μmol/L, or requiring prohibited medications for active nephritis per protocol, or needing hemodialysis, or receiving prednisone ≥100 mg/d or equivalent glucocorticoids for ≥14 days).
Central nervous system disorders (including but not limited to epilepsy, psychosis, interstitial encephalopathy syndrome, cerebrovascular accident, encephalitis, CNS vasculitis) within 8 weeks prior to screening, whether SLE-related or not.
History of major organ transplantation (e.g., heart, lung, kidney, liver) or hematopoietic stem cell/bone marrow transplantation.
Other concurrent autoimmune diseases requiring systemic therapy, except for Sjögren's syndrome.
Trial design
Treatments tested in this trial
- CC312
- Placebo