Eligibility Module

Eligibility Module

The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.

Eligibility Module path is as follows:

Study -> Protocol Section -> Eligibility Module

Eligibility Module


Ignite Creation Date: 2025-12-25 @ 4:56 AM
Ignite Modification Date: 2025-12-25 @ 4:56 AM
NCT ID: NCT04558918
Eligibility Criteria: 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 or patients on stable ravulizumab dose but with a dosing interval of less than 8 weeks. * 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 (incl. COVID-19), 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., eGFR \< 30 mL/min/1.73 m2, 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.
Healthy Volunteers: False
Sex: ALL
Minimum Age: 18 Years
Study: NCT04558918
Study Brief:
Protocol Section: NCT04558918