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A Phase 2b/3, Multicenter, Randomized, Double-Blind, Placebo-Controlled, Combined Dose-Finding and Cardiovascular Outcome Study to Investigate the Efficacy and Safety of CSL300 (Clazakizumab) in Subjects with End Stage Kidney Disease Undergoing Dialysis

Status
Recruiting
Phases
Phase 2Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2022-500273-14-00
Acronym
CSL300_2301
Enrollment
1223
Registered
2023-04-20
Start date
2023-07-17
Completion date
Unknown
Last updated
2026-01-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Atherosclerotic cardiovascular disease in patients with ESKD

Brief summary

Change from Baseline on the log scale in hs-CRP (Phase 2b)., Time to first occurrence of CV death or myocardial infarction (MI) (Phase 3).

Detailed description

Percent of subjects achieving hs‑CRP less than (<) 2.0 milligram per Liter (mg/L) (Phase 2b)., Change from baseline in log-transformed hs‑CRP (Phase 2b)., Mean change from Baseline in serum amyloid A (SAA), secretory phospholipase A2 (sPLA2), fibrinogen, plasminogen activator inhibitor -1 (PAI-1), lipoprotein (a) [Lp (a)] and albumin (Phase 2b), Mean change from Baseline in Hepcidin, hemoglobin, erythropoiesis stimulating agent (ESA), erythropoietin resistance index (ERI), iron, total iron-binding capacity (TIBC), transferrin saturation (TSAT), ferritin (Phase 2b), Area under the plasma concentration versus time curve (AUC), peak plasma concentration (Cmax), trough plasma concentration (Ctrough), and time to maximum plasma concentration (Tmax) (Phase 2b), Percent of subjects with adverse event (AE), serious AE (SAE), including AEs of special interest (AESIs) (Phase 2b), Mean change from Baseline in white blood cell (WBC), neutrophil, platelets, aspartate aminotransferase (AST), alanine aminotransferase (ALT), total bilirubin; lipid panel: total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), triglyceride, and Immunogenicity (Phase 2b), Time to first occurrence of all-cause death or MI (Phase 3)., Time to first occurrence of CV death, MI, or ischemic stroke (Phase 3)., Time to first occurrence of CV death (Phase 3)., Time to first occurrence of CV death, MI or major adverse limb event (Phase 3)., Time to first occurrence of all-cause death (Phase 3)., Time to first occurrence of CV death, MI, or hospitalization for heart failure (HF) (Phase 3)., Total number of CV hospitalizations (Phase 3)., Total number of HF hospitalizations and urgent visits (Phase 3)., Total number of hospitalizations (Phase 3).

Interventions

DRUGCSL300 Placebo - matching the excipient content and concentration of the CSL300 product
DRUGminus the active ingredient
DRUGSaline Solution (0.9% w/v NaCl)

Sponsors

CSL Behring LLC
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Change from Baseline on the log scale in hs-CRP (Phase 2b)., Time to first occurrence of CV death or myocardial infarction (MI) (Phase 3).

Secondary

MeasureTime frame
Percent of subjects achieving hs‑CRP less than (<) 2.0 milligram per Liter (mg/L) (Phase 2b)., Change from baseline in log-transformed hs‑CRP (Phase 2b)., Mean change from Baseline in serum amyloid A (SAA), secretory phospholipase A2 (sPLA2), fibrinogen, plasminogen activator inhibitor -1 (PAI-1), lipoprotein (a) [Lp (a)] and albumin (Phase 2b), Mean change from Baseline in Hepcidin, hemoglobin, erythropoiesis stimulating agent (ESA), erythropoietin resistance index (ERI), iron, total iron-binding capacity (TIBC), transferrin saturation (TSAT), ferritin (Phase 2b), Area under the plasma concentration versus time curve (AUC), peak plasma concentration (Cmax), trough plasma concentration (Ctrough), and time to maximum plasma concentration (Tmax) (Phase 2b), Percent of subjects with adverse event (AE), serious AE (SAE), including AEs of special interest (AESIs) (Phase 2b), Mean change from Baseline in white blood cell (WBC), neutrophil, platelets, aspartate aminotransferase (AST), alanine

Countries

Austria, Belgium, Bulgaria, Croatia, Czechia, Denmark, Estonia, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Spain, Sweden

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026