Drugs / Sibeprenlimab
last change Aug 2026 re-read 2 minutes ago

Sibeprenlimab

also known as VIS649

Monoclonal antibody targets TNFSF13 via inhibition

Developed for
IgA glomerulonephritis · Sjogren syndrome
Investigated by
Otsuka Pharmaceutical Development & Commercialization, Inc. · Otsuka Beijing Research Institute

Trials 6 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 12 trials
Phase 1 NCT07105124 Oct 2022 → Feb 2023 Otsuka Beijing Research Institute Completed No outcome recorded
Phase 1 NCT03719443 Oct 2018 → Aug 2019 IgA glomerulonephritis Otsuka Pharmaceutical Development & Commercialization, Inc. Completed No outcome recorded
Phase 23 trials
Phase 2 NCT06928142 Apr 2025 → Mar 2027 expected Sjogren syndrome Otsuka Pharmaceutical Development & Commercialization, Inc. Active not recruiting No outcome recorded
Phase 2 NCT06740526 Nov 2024 → Apr 2029 expected IgA glomerulonephritis Otsuka Pharmaceutical Development & Commercialization, Inc. Recruiting No outcome recorded
Phase 2 NCT04287985 Jul 2020 → May 2023 IgA glomerulonephritis Otsuka Pharmaceutical Development & Commercialization, Inc. Completed No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT05248659 Apr 2022 → Dec 2028 expected IgA glomerulonephritis Otsuka Pharmaceutical Development & Commercialization, Inc. Enrolling by invitation No outcome recorded
Also used as a comparator or background therapy in 1 trial
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 3 NCT05248646 Comparator Mar 2022 → May 2026 overdue IgA glomerulonephritis Otsuka Pharmaceutical Development & Commercialization, Inc. Active not recruiting No outcome recorded

Press releases naming this drug 24 releases

DateIssuerRelease
2026-08-04 Otsuka Pharmaceutical Development & Commercialization, Inc. Otsuka Unveils Unprecedented Phase 3 VISIONARY Two-Year eGFR Results Demonstrating VOYXACT (sibeprenlimab-szsi) Stabilizes Kidney Function Decline to Baseline Physiologic Rate, Fundamentally Altering Disease Progression in IgA Nephropathy® otsuka.co.jp
2026-08-03 Otsuka Pharmaceutical Development & Commercialization, Inc. Otsuka Unveils Unprecedented Phase 3 VISIONARY Two-Year eGFR Results Demonstrating VOYXACT® (sibeprenlimab-szsi) Stabilizes Kidney Function Decline to Baseline Physiologic Rate, Fundamentally Altering Disease Progression in IgA Nephropathy (IgAN) otsuka-us.com
2026-07-02 Otsuka Pharmaceutical Development & Commercialization, Inc. Otsuka Reports Positive Phase 3 VISIONARY Two-Year eGFR Results Demonstrating VOYXACT(sibeprenlimab-szsi) Prevented Progression to Kidney Failure and Improved Kidney Function in IgA Nephropathy (IgAN)® otsuka.co.jp
2026-07-02 Otsuka Pharmaceutical Development & Commercialization, Inc. Otsuka Reports Positive Phase 3 VISIONARY Two-Year eGFR Results Demonstrating VOYXACT® (sibeprenlimab-szsi) Prevented Progression to Kidney Failure and Improved Kidney Function in IgA Nephropathy (IgAN) otsuka-us.com
2026-06-05 Otsuka Pharmaceutical Development & Commercialization, Inc. Otsuka Presents Positive Interim Phase 3 VISIONARY eGFR Data Showing VOYXACT (sibeprenlimab-szsi) Preserved Kidney Function Over 12 Months in IgA Nephropathy (IgAN)® otsuka.co.jp
2026-06-04 Otsuka Pharmaceutical Development & Commercialization, Inc. Otsuka Presents Positive Interim Phase 3 VISIONARY eGFR Data Showing VOYXACT® (sibeprenlimab-szsi) Preserved Kidney Function Over 12 Months in IgA Nephropathy (IgAN) otsuka-us.com
2026-03-25 Otsuka Pharmaceutical Development & Commercialization, Inc. Otsuka Showcases New Efficacy and Safety Data of VOYXACT® (sibeprenlimab-szsi) in Patients with IgA Nephropathy (IgAN) at the 2026 ISN World Congress of Nephrology Highlighting the Impact of APRIL Inhibition otsuka-us.com
2025-11-26 Otsuka Pharmaceutical Development & Commercialization, Inc. Otsuka Receives FDA Accelerated Approval for VOYXACT (sibeprenlimab-szsi) for the Reduction of Proteinuria in Adults with Primary Immunoglobulin A Nephropathy (IgAN) at Risk for Disease Progression ® otsuka.co.jp
2025-11-26 Otsuka Pharmaceutical Development & Commercialization, Inc. Otsuka Receives FDA Accelerated Approval for VOYXACT® (sibeprenlimab-szsi) for the Reduction of Proteinuria in Adults with Primary Immunoglobulin A Nephropathy (IgAN) at Risk for Disease Progression otsuka-us.com
2025-11-10 Otsuka Pharmaceutical Development & Commercialization, Inc. Sibeprenlimab Phase 3 Data Presented at American Society of Nephrology Kidney Week 2025 Showed Proteinuria Reduction through 12 Months for the Treatment of Immunoglobulin A Nephropathy (IgAN) otsuka.co.jp
2025-06-06 Otsuka Pharmaceutical Development & Commercialization, Inc. Otsuka Sibeprenlimab Phase 3 Data Show a Statistically Significant and Clinically Meaningful Proteinuria Reduction for the Treatment of Immunoglobulin A Nephropathy (IgAN) otsuka.co.jp
2025-06-06 Otsuka Pharmaceutical Development & Commercialization, Inc. Otsuka Sibeprenlimab Phase 3 Data Show a Statistically Significant and Clinically Meaningful Proteinuria Reduction for the Treatment of Immunoglobulin A Nephropathy (IgAN) otsuka-us.com

Evidence & citations 6 cited values

Every value below carries the sentence it was read from. 9 sources stand behind the page.

FieldValueCited text
Known as sibeprenlimab “VIS649 (sibeprenlimab), a humanized IgG2 monoclonal antibody that inhibits APRIL, is being developed as a potential treatment for IgA nephropathy (IgAN).” PMID 35570983 Feb 2022
6

Sibeprenlimab is a humanized IgG2 monoclonal antibody that binds to and neutralizes APRIL.” PMID 37916620 Nov 2023

NCT06740526

NCT07105124

NCT05248646

NCT05248659

NCT06928142

Known as VIS649 ClinicalTrials.gov intervention name — accepted as the source's own label NCT03719443
Action Inhibit “Tumor necrosis factor ligand superfamily member 13 inhibitor” CHEMBL4594614
1

inhibits APRIL” PMID 35570983 Feb 2022

Modality Monoclonal antibody “a humanized IgG2 monoclonal antibodyPMID 35570983 Feb 2022
Route Intravenous “VIS649 Administered Intravenously” NCT03719443
Target TNFSF13 “Tumor necrosis factor ligand superfamily member 13 inhibitor” CHEMBL4594614