RecruitingPhase 2NCT07146906

A Study to Assess the Effects of Zigakibart on IgA Nephropathy.

An Open-label, Multicenter Study to Assess the Effect of Zigakibart Treatment on Histologic, Circulating, and Excreted Markers of Kidney Disease and Dysfunction in Adult Patients With IgA Nephropathy.


Sponsor

Novartis Pharmaceuticals

Enrollment

32 participants

Start Date

Mar 26, 2026

Study Type

INTERVENTIONAL

Conditions

Summary

The purpose of the study is to assess the effect of zigakibart on IgA nephropathy (IgAN) disease progression.


Eligibility

Min Age: 18 YearsMax Age: 100 Years

Inclusion Criteria6

  • Primary IgAN, confirmed by kidney biopsy, within 5 years prior to Screening
  • eGFR ≥45 mL/min/1.73 m2, based on the 2021 CKD-EPI equation, at Screening
  • Persistent proteinuria, defined as either
  • Total Urine Protein ≥0.5 g/day or UPCR ≥0.5 g/g in a 24-hour urine collection, at Screening, despite maximally tolerated dose or poorly tolerated supportive therapy or
  • IgAN diagnosis \<6 months prior to Screening with Total Urine Protein \>1.5 g/day or UPCR \>1.5 g/g in a 24-hour urine collection, at the time of clinical presentation or diagnosis
  • Body weight ≥45 kg and body mass index (BMI) ≤35.0 kg/m2, at Screening

Exclusion Criteria8

  • Secondary forms of IgAN, as determined by the Investigator, diagnosis of IgA vasculitis, or any other nephropathy or chronic urinary tract disorder
  • Total IgG \<6.0 g/L at screening
  • Any chronic urinary tract disorder, including but not limited to retention, incontinence, and/or recurrent urinary tract infections
  • Untreated hypertension or uncontrolled hypertension despite treatment (i.e., resistant hypertension)
  • Treatment with complement pathway inhibitors, mycophenolic acids, systemic calcineurin inhibitors or corticosteroids, immunosuppressive or immunomodulatory agents within 12 months prior to screening
  • Acute kidney injury (AKI), defined by AKI network criteria, within 4 weeks prior to screening
  • Current treatment with anti-APRIL monoclonal antibodies or dual APRIL/BAFF inhibitors or past treatment of the same at any time for \>3 consecutive months prior to screening
  • Planned initiation of, or recently (within 24 weeks) initiated, treatment with glucagon-like peptide-1 agonists at screening

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Interventions

BIOLOGICALzigakibart

zigakibart 600 mg sc injections every second week for 104 weeks (2 years)


Locations(8)

Colorado Kidney Care Nephrology

Denver, Colorado, United States

American Clinical Trials

Acworth, Georgia, United States

Inter Med Consultants

Edina, Minnesota, United States

Novartis Investigative Site

Shanghai, China

Novartis Investigative Site

Kawasaki, Kanagawa, Japan

Novartis Investigative Site

Miyazaki, Japan

Novartis Investigative Site

Seoul, Korea, South Korea

Novartis Investigative Site

Taipei, Taiwan

View Full Details on ClinicalTrials.gov

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NCT07146906


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