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A Multicenter, Randomized, Open-Label, Positive Controlled Phase III Study to Evaluate the Efficacy and Safety of VSA012 Injection in Participants With Paroxysmal Nocturnal Hemoglobinuria Who Are Naive to Complement Inhibitor Therapy

A Multicenter, Randomized, Open-Label, Positive Controlled Phase III Study to Evaluate the Efficacy and Safety of VSA012 Injection in Participants With Paroxysmal Nocturnal Hemoglobinuria Who Are Naive to Complement Inhibitor Therapy

Status
Not yet recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07816237
Enrollment
70
Registered
2026-09-11
Start date
2026-10-29
Completion date
2029-12-31
Last updated
2026-09-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Paroxysmal Nocturnal Hemoglobinuria, PNH

Brief summary

A study of the efficacy and safety of VSA012 Injection compared to eculizumab for 24 weeks in patients with PNH.

Interventions

DRUGVSA012

VSA012 Injection

Eculizumab injection

Sponsors

Bisirna Therapeutics (Suzhou) Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

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

MeasureTime 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

MeasureTime 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 transfusionbetween Week 20 and Week 26
Change (Expressed as Percentages) in Hb level from baselinebetween Week 20 and Week 26
The proportion of patients without RBC transfusionbetween Week 2 and Week 26
Change in reticulocyte count from baselinebetween Week 20 and Week 26
Change in Total bilirubin count from baselinebetween Week 20 and Week 26
Change in FACIT-F score from baselinebetween Week 20 and Week 26
The Clinical BTH Ratebetween Day 1 and Week 26
The Major Adverse Vascular Events Ratebetween Day 1 and Week 26
Incidence and severity of AEsbetween Day 1 and Week 26

Countries

China

Contacts

CONTACTCharlene Si
charlene.si@bisirna.com+86-021-6107 5030

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 12, 2026