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BION-1301

Phase 3

IgA Nephropathy | Small molecule | Nephrology |Novartis AG|Last Updated: Jun 16, 2026

Success Probability
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials2
Total Enrollment486
FDA Designations
No designations recorded
Clinical trial landscape

BION-1301 · 3 trials · 3 indications

Phase 3 1Phase 1 2
NCT05852938A Study of Zigakibart in Adults With IgA NephropathyIgA Nephropathy
ACTIVE NOT_RECRUITING383 Analytics
PHASE3ACTIVE NOT_RECRUITING
A Study of Zigakibart in Adults With IgA Nephropathy
IgA NephropathyUnlock trial analytics
Study Endpoints
Primary Endpoints
Change from baseline in eGFR
Baseline and 104 weeks or approximately 2 years

Change from Baseline to Week 104 in eGFR using the CKD-EPI 2021 creatinine equation

Number of participants with Treatment Emergent Adverse Events (TEAEs) and treatment-emergent serious adverse events (SAEs)
Up to 276 weeks

TEAEs and SAEs are assessed throughout each participant's study participation according to the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE).

Change from baseline in systolic and diastolic blood pressure
Baseline and up to 276 weeks.
Change from baseline in estimated glomerular filtration rate (eGFR)
Baseline and up to 276 weeks
Secondary Endpoints
Change in proteinuria (natural log UPCR)
Baseline and 40 weeks or approximately 9 months
Annualized rate of change in eGFR
104 weeks or approximately 2 years
Effect of BION-1301 on specific clinical composite endpoints (30% eGFR reduction)
Baseline and Weeks 4, 12, 24, 40, 52, 64, 76, 88, and 104
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
BION-1301EXPERIMENTAL600mg subcutaneous administration every 2 weeks for 104 weeks
PlaceboPLACEBO_COMPARATORsubcutaneous administration every 2 weeks for 104 weeks
Part 1: BION-1301EXPERIMENTALUp to 5 cohorts with single ascending doses of BION-1301 administered by intravenous (IV) infusion in healthy volunteers.
Part 1: PlaceboPLACEBO_COMPARATORHealthy Volunteers receive a single dose of placebo administered by IV infusion.
Part 2: BION-1301EXPERIMENTALUp to 4 cohorts with multiple doses of BION-1301 administered by intravenous (IV) infusion in healthy volunteers.
Part 2: PlaceboPLACEBO_COMPARATORHealthy Volunteers receive placebo by IV infusion.
Part 3: BION-1301EXPERIMENTALTwo cohorts of participants with IgAN receive multiple doses of BION-1301 by IV infusion (Cohort 1) or SC injection (Cohort 2) at 600mg/biweekly.
Part 4 Retreatment: BION-1301EXPERIMENTALEligible participants with IgAN from Part 3 may enroll in Part 4 due to disease progression or by choice for optional retreatment and receive SC injection at 600mg/biweekly.
Interventions
NameTypeDescription
BION-1301DRUGBION-1301 Pre-Filled Syringe (PFS) 600mg subcutaneous administration every 2 weeks for 104 weeks.
PlaceboDRUGPlacebo - PFS subcutaneous administration every 2 weeks for 104 weeks.
BION-1301 Single DoseDRUGA single IV infusion infusion of BION-1301 at doses ranging from 10 to 1350 mg, administered once
Placebo Single DoseDRUGA single IV infusion of placebo
BION-1301 Multiple DosesDRUGPart 2: Multiple IV infusions of BION 1301 administered every 2 weeks (Q2W) at doses of 50 mg, 150 mg or 450 mg for up to 3 doses. Part 3: Repeated dosing of BION 1301: 450 mg IV Q2W for ≥24 weeks followed by 600 mg SC Q2W, or 600 mg SC Q2W throughout.
Placebo Multiple DosesDRUGMultiple IV infusions of placebo administered every 2 weeks for up to 3 doses
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Eligibility Criteria
Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites200

Inclusion Criteria: * Male and female participants aged ≥ 18 years at the time of signing the informed consent form (ICF) prior to initiation of any study specific activities/procedures. * Biopsy-proven IgAN diagnosed within the past 10 years prior to Screening, that, in the opinion of the Investig...

Countries:United StatesArgentinaAustraliaBelgiumBrazilCanadaChinaCroatiaCzechiaFranceGermanyGreeceIndiaIsraelItalyJapanMalaysiaMexicoSouth KoreaSpainTaiwanTurkey (Türkiye)United Kingdom
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Recent Changes (Last 90 Days)
MEDIUMJul 17, 2026NCT03945318TRIAL_REMOVED: changed
MEDIUMJul 17, 2026NCT03945318TRIAL_REMOVED: changed
MEDIUMJul 17, 2026NCT03945318TRIAL_REMOVED: changed
HIGHJun 16, 2026NCT03945318Status: ACTIVE_NOT_RECRUITING → COMPLETED
HIGHJun 16, 2026NCT03945318Status: ACTIVE_NOT_RECRUITING → COMPLETED
HIGHJun 16, 2026NCT03945318Status: ACTIVE_NOT_RECRUITING → COMPLETED
MEDIUMMay 26, 2026NCT03945318primaryCompletionDate: changed
MEDIUMMay 26, 2026NCT05852938primaryCompletionDate: changed
LOWMay 24, 2026NCT03945318studyFirstPostDate: changed
LOWMay 24, 2026NCT05852938studyFirstPostDate: changed