An Open-Label, Non-Randomized Study to Assess the Safety and Efficacy of Leniolisib in Japanese Patients With Activated Phosphoinositide 3-Kinase Delta Syndrome (APDS) Followed By an Open-Label Long-Term Extension. For the treatment of activated phosphoinositide 3-kinase delta (PI3Kδ) syndrome (APDS).
Age range
12 Years – 75 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Part I: Incidence of treatment-emergent adverse events ((AEs), serious adverse events (SAEs), and AEs
Timeframe: Between baseline until Day 85
Part II: Long-term Incidence of treatment-emergent adverse events ((AEs), serious adverse events (SAEs), and AEs
Timeframe: At Day 252, through study completion, an average of 1 year
Part I: Change from baseline in clinical laboratory test results
Timeframe: Between baseline until Day 85
Part II: Long-term change from baseline in clinical laboratory test results
Timeframe: At Day 252, through study completion, an average of 1 year
Part I: Change from baseline in vital signs
Timeframe: Between baseline until Day 85
Part II: Long-term change from baseline in vital signs
Timeframe: At Day 252, through study completion, an average of 1 year
Part I: Change from baseline in physical examination findings
Timeframe: Between baseline until Day 85
Part II: Long-term change from baseline in physical examination findings
Timeframe: At Day 252, through study completion, an average of 1 year
Part I: Change from baseline in electrocardiograms (ECGs)
Timeframe: Between baseline until Day 85
Part II: Long-term change from baseline in electrocardiograms (ECGs)
Timeframe: At Day 252, through study completion, an average of 1 year
Part I: To assess the efficacy of leniolisib on lymphoproliferation (SPD of index lymph node lesions) and immunophenotype normalization (percentage of naïve B cells out of total B cells)
Timeframe: Between baseline until Day 85
Part I: Change from baseline in the percentage of naïve B cells out of total B cells at the end of treatment
Timeframe: Between baseline until Day 85