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Study of Efficacy and Safety of Twice Daily Oral LNP023 in Adult PNH Patients With Residual Anemia Despite Anti-C5 Antibody Treatment

Phase 3
Conditions
Paroxysmal nocturnal hemoglobinuria
PNH
Registration Number
JPRN-jRCT2051200132
Lead Sponsor
Suzuki Kazuyuki
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Recruiting
Sex
All
Target Recruitment
91
Inclusion Criteria

Male and female participants >= 18 years of age with a diagnosis of PNH confirmed by high-sensitivity flow cytometry with clone size >= 10%
- Stable regimen of anti-C5 antibody treatment (either eculizumab or ravulizumab) for at least 6 months prior to randomization
- Mean hemoglobin level <10 g/dL
- Vaccination against Neisseria meningitidis infection is required prior to the start of treatment.
- If not received previously, vaccination against Streptococcus pneumoniae and Haemophilus influenzae infections should be given

Exclusion Criteria

- Participants on a stable eculizumab dose but with a dosing interval of 11 days or less
- Known or suspected hereditary complement deficiency at screening
- History of hematopoietic stem cell transplantation
- Patients with laboratory evidence of bone marrow failure (reticulocytes <100x10E9/L; platelets <30x10E9/L; neutrophils <500x10E6/L).
- Active systemic bacterial, viral or fungal infection within 14 days prior to study drug administration
- A history of recurrent invasive infections caused by encapsulated organisms, e.g. meningococcus or pneumococcus.
- Major concurrent comorbidities including but not limited to severe kidney disease (e.g., dialysis), advanced cardiac disease (e.g., NYHA class IV), severe pulmonary disease (e.g., severe pulmonary) hypertension (WHO class IV)), or hepatic disease (e.g., active hepatitis) that in the opinion of the investigator precludes participant's participation in the study.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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