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Clinical Trial Summary

This is a phase 3 study to evaluate effects on proteinuria and glomerular filtration rate of sibeprenlimab 400 mg subcutaneously (s.c.) Q 4 weeks in adults with IgAN who are receiving maximally tolerated standard-of-care therapy.


Clinical Trial Description

This is a multicenter, randomized, double-blind, placebo-controlled study to evaluate the efficacy and safety of sibeprenlimab 400 mg administered SC Q 4 weeks compared to placebo in patients with IgAN. The primary objective is to compare the relative change from baseline in the urinary protein to creatinine ratio (uPCR) in 24-hour urine collections, after 9 months of treatment. The key secondary objective is to compare the annualized rate of change from baseline (slope) of estimated glomerular filtration rate (eGFR) after approximately 24 months of treatment. There will be one main cohort comprised of approximately 450 subjects with source-verified biopsy-confirmed IgAN and eGFR ≥ 30 mL/min/1.73 m^2. An additional exploratory cohort will be comprised of up to 20 subjects with source-verified biopsy confirmed IgAN and eGFR of 20 to < 30 mL/min/1.73 m^2. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05248646
Study type Interventional
Source Otsuka Pharmaceutical Development & Commercialization, Inc.
Contact
Status Active, not recruiting
Phase Phase 3
Start date March 15, 2022
Completion date December 30, 2026

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