Paroxysmal Nocturnal Hemoglobinuria, PNH
Conditions
Brief summary
A study of the efficacy and safety of VSA012 Injection compared to eculizumab for 24 weeks in patients with PNH.
Interventions
VSA012 Injection
Eculizumab injection
Sponsors
Study design
Eligibility
Inclusion criteria
* Male and female participants ≥ 18 years of age and BMI ≥ 18.0 kg/m2 with a diagnosis of PNH confirmed by high-sensitivity flow cytometry with clone size≥10%. * Mean hemoglobin level \<100 g/L at screening. * LDH \> 1.5 x Upper Limit of Normal (ULN) at screening. * Vaccination against Neisseria meningitidis infection is required prior to the * start of study treatment. If not received previously, vaccination against * Streptococcus pneumoniae and Haemophilus influenzae infections should be given.
Exclusion criteria
* Known or suspected hereditary or acquired complement deficiency; * Presence or suspicion of a systemic active bacterial, viral, or fungal infection * History of infection with capsular bacteria (e.g., meningococcus, pneumococcus, etc.) * Patients with reticulocytes \<100x10\^9/L; platelets \<30x10\^9/L; neutrophils \<0.5x10\^9/L. * Positive of HIV, HBsAg or HCVAb. * History of recurrent invasive infections caused by encapsulated organisms,e.g. meningococcus or pneumococcus. * Previous splenectomy. * A history of malignancy within 5 years before screening
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The proportion of patients with sustained hemoglobin levels ≥ 120 g/L among those without RBC transfusion (defined as no red blood cell infusion after W2 to W26). | between Week 2 and Week 26 |
Secondary
| Measure | Time frame |
|---|---|
| Proportion of participants achieving a sustained increase from baseline in hemoglobin levels of ≥ 20 g/L assessed among those without RBC transfusion (defined as no red blood cell infusion after W2 to W26). | between Week 20 and Week 26 |
| The proportion of patients with hemolysis controlled (defined as LDH < 1.5 ULN) among those without RBC transfusion | between Week 20 and Week 26 |
| Change (Expressed as Percentages) in Hb level from baseline | between Week 20 and Week 26 |
| The proportion of patients without RBC transfusion | between Week 2 and Week 26 |
| Change in reticulocyte count from baseline | between Week 20 and Week 26 |
| Change in Total bilirubin count from baseline | between Week 20 and Week 26 |
| Change in FACIT-F score from baseline | between Week 20 and Week 26 |
| The Clinical BTH Rate | between Day 1 and Week 26 |
| The Major Adverse Vascular Events Rate | between Day 1 and Week 26 |
| Incidence and severity of AEs | between Day 1 and Week 26 |
Countries
China