Combined Dose-Finding and CV Outcomes Study With CSL300 (Clazakizumab) in Adult Subjects With ESKD Undergoing Dialysis (POSIBIL6ESKD)
Eligible age
18+ yrs
Accepts
All genders
Locations
33 states
Healthy volunteers
No
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About this study
This is a two-part, phase 2b and phase 3 combined prospective, interventional, multicenter, randomized, double-blind, placebo-controlled study. Part 1: Phase 2b is a dose-finding study for CSL300 vs placebo. Part 2: Phase 3 aims to assess the efficacy of CSL300 vs placebo on cardiovascular (CV) outcomes and safety in subjects with systemic inflammation and either atherosclerotic cardiovascular disease (ASCVD) or diabetes with end stage kidney disease (ESKD) undergoing maintenance dialysis.
Sponsor: CSL Behring
You may qualify if…
- ✓ Male or female at least 18 years of age.
- ✓ A diagnosis of ESKD undergoing maintenance dialysis for at least 12 weeks.
- ✓ Serum hs-CRP ≥ 2.0 mg/L.
- ✓ A diagnosis of diabetes mellitus OR ASCVD.
You may not qualify if…
- ✕ Subjects who participated in Part 1 (phase 2b) are not eligible to participate in Part 2 (phase 3).
- ✕ Concomitant use of systemic immunosuppressant drugs.
- ✕ Abnormal LFTs.
- ✕ Any life-threatening disease expected to result in death within 12 months.
- ✕ A history of GI perforation, inflammatory bowel disease (except fully excised. ulcerative colitis), or peptic ulcer disease.
- ✕ Clinically significant active infection or history of opportunistic or invasive fungal infection.
Where it's recruiting
Decatur · Huntsville · Montgomery
Glendale · Phoenix · Tucson
Bakersfield · Beverly Hills · Chula Vista · Fresno …
Arvada · Denver
Bloomfield · Middlebury
Newark
Boca Raton · Bradenton · Brooksville · Coral Gables …
Albany · Brunswick · Columbus · Cordele …
Fort Wayne · Mishawaka
Sioux City
Wichita
Louisville
Source: ClinicalTrials.gov · NCT05485961 · last updated 2026-06-08