Testing CSL300 for heart health in dialysis patients with kidney disease
Official title: 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
Run by CSL Behring · NCT05485961 · Data updated 2026-11-12
This study is testing if a new treatment called CSL300 can improve heart health in dialysis patients with kidney disease and related conditions like diabetes or heart disease.
Quick facts
| Phase | Phase2; Phase3 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 3110 (estimated) |
| Sponsor | CSL Behring Industry-sponsored |
| Locations | 566 sites (Decatur, Alabama and 565 other locations) |
| Status | Recruiting |
| Started | April 27, 2024 |
| Main results expected | May 22, 2029 |
| Study ends | May 22, 2029 |
| Registry record updated | September 21, 2026 |
| Trial ID | NCT05485961 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include adults aged 18 and older with ESKD on maintenance dialysis for at least 12 weeks and elevated serum hs-CRP levels.
✕Probably not a fit
Patients with life-threatening diseases expected to result in death within 12 months or those on systemic immunosuppressants may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a two-part, multicenter, randomized, double-blind, placebo-controlled study evaluating CSL300 in adults with end-stage kidney disease (ESKD) undergoing dialysis. The first part focuses on determining the appropriate dosage of CSL300, while the second part assesses its efficacy on cardiovascular outcomes and safety in patients with systemic inflammation and either atherosclerotic cardiovascular disease or diabetes. Participants will receive either CSL300 or a placebo to compare effects on heart health.
Why it matters
Potential benefit: If successful, this study could improve cardiovascular health outcomes for patients with ESKD undergoing dialysis.
How similar studies have gone: Other studies have explored similar interventions in cardiovascular health for kidney disease patients, indicating potential for success.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * 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. Exclusion Criteria: * Subjects who participated in Part 1 (phase 2b) are not eligible to participate in Part 2 (phase 3). * Concomitant use of systemic immunosuppressant drugs. * Part 1 (Phase 2b) excludes subjects with a positive TB or a history of latent TB, whereas Part 2 (Phase 3) excludes active TB but allows inclusion of subjects with a latent TB and at least 4 weeks of prophylactic TB treatment. * 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 running
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Nephrology of North Alabama
Decatur, Alabama, United States Recruiting -
Nephrology Consultants, LLC
Huntsville, Alabama, United States Recruiting -
DaVita Clinical Research Montgomery
Montgomery, Alabama, United States Recruiting -
AKDHC Medical
Glendale, Arizona, United States Recruiting -
Kidney Disease Medical Group
Glendale, Arizona, United States Recruiting -
AKDHC Medical
Phoenix, Arizona, United States Recruiting
Show 44 more locations
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AKDHC Medical
Tucson, Arizona, United States Recruiting -
Southern Arizona VA Health Care System
Tucson, Arizona, United States Recruiting -
National Institute of Clinical Research
Bakersfield, California, United States Recruiting -
California Institute of Renal Research
Chula Vista, California, United States Recruiting -
The Medical Research Group, Inc.
Fresno, California, United States Recruiting -
Davita Fullerton Dialysis Center
Fullerton, California, United States Recruiting -
National Institute of Clinical Research, Inc.
Fullerton, California, United States Recruiting -
National Institute of Clinical Research, Inc.
Garden Grove, California, United States Recruiting -
St. Jude Medical Center
Garden Grove, California, United States Recruiting -
National Institute of Clinical Research
Garden Grove, California, United States Recruiting -
Sherman Medical Group, Inc
Glendale, California, United States Recruiting -
Kidney Disease Medical Group
Glendale, California, United States Recruiting -
Renal Consultants Medical Group
Granada Hills, California, United States Recruiting -
Balboa Research
La Jolla, California, United States Recruiting -
California Institute of Renal Research
La Mesa, California, United States Recruiting -
Southern California Medical Research Center
La Palma, California, United States Recruiting -
Academic Medical Research Institute
Los Angeles, California, United States Recruiting -
National Institute of Clinical Research, Inc.
Los Angeles, California, United States Recruiting -
Cedars-Sinai Medical Center
Los Angeles, California, United States Recruiting -
Renal Medical Associates/NARI
Lynwood, California, United States Recruiting -
Amicis Research Center
Northridge, California, United States Recruiting -
FORMAT Medical Research
Oxnard, California, United States Recruiting -
National Institute of Clinical Research, Inc.
Pomona, California, United States Recruiting -
Van Buren Dialysis Center
Riverside, California, United States Recruiting -
National Nephrology Alliance Research - Riverside
Riverside, California, United States Recruiting -
Central Coast Nephrology Medical Corp
Salinas, California, United States Recruiting -
California Institute of Renal Research
San Diego, California, United States Recruiting -
North America Research Institute
San Dimas, California, United States Recruiting -
Nephrology Educational Services
Tarzana, California, United States Recruiting -
Valiance Clinical Research
Tarzana, California, United States Recruiting -
National Institute of Clinical Research, Inc
Victorville, California, United States Recruiting -
DaVita Vista Del Sol Dialysis
Victorville, California, United States Recruiting -
Western Nephrology
Arvada, Colorado, United States Recruiting -
Kidney Associates of Colorado, P.C.
Denver, Colorado, United States Recruiting -
Colorado Kidney Care
Denver, Colorado, United States Recruiting -
Greater Hartford Nephrology, LLC
Bloomfield, Connecticut, United States Recruiting -
Nephrology and Hypertension Associates PC
Middlebury, Connecticut, United States Recruiting -
- Boca Raton Regional - Research Physicians Network Alliance
Boca Raton, Florida, United States Recruiting -
Nova Clinical Research, LLC
Bradenton, Florida, United States Recruiting -
South Florida Nephrology Group, PA
Coral Springs, Florida, United States Recruiting -
Family First Medical Research Center
Hialeah Gardens, Florida, United States Recruiting -
Advanced Medical Research Group
Hollywood, Florida, United States Recruiting -
Royal Research, Corp
Hollywood, Florida, United States Recruiting -
Elixia Pines
Hollywood, Florida, United States Recruiting
+516 more sites. See ClinicalTrials.gov for the full list.
Study contacts
- Study coordinator: Trial Registration Coordinator
- Email: clinicaltrials@cslbehring.com
- Phone: +1 610-878-4697
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-
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.