Nuoai Pharmaceutical (Shanghai) Co., Ltd.

The purpose of the study is to evaluate the safety, tolerability, efficacy, pharmacokinetics, and pharmacodynamics of CAN106 administered intravenously to subjects with PNH who have not previously been treated with a complement inhibitor.

This is a single-center observational study conducted in adult patients with paroxysmal nocturnal hemoglobinuria of high-risk hemolysis.
This observational study consists of two parts, one part is retrospective study which aims to collect medical chart data to calculate the mean change or mean incidence rates of LDH, hemoglobin, PNH-related symptoms and PNH-related events over 6 months.
The other part is cross-sectional study to detect the total C5 level in PUMCH at the latest follow-up visit in eligible PNH patients with high-risk hemolysis, to show the difference between eligible PNH patients and healthy people and to explore the related clinical factor influencing high-level total C5 using logistic regression model.

This is a single site, single dose escalation study in healthy subject with CAN106. The study is to assess the safety and tolerability of single escalating doses of CAN106; to characterize the PK and PD profile of CAN106; and to evaluate the immunogenicity of CAN106 injection.