Clinical trial Recruiting at 513 sites Phase2; Phase3 Interventional Ages 18 and up

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.

More End Stage Kidney Disease trials

Quick facts

PhasePhase2; Phase3
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment3110 (estimated)
SponsorCSL Behring
Industry-sponsored
Locations566 sites (Decatur, Alabama and 565 other locations)
StatusRecruiting
StartedApril 27, 2024
Main results expectedMay 22, 2029
Study endsMay 22, 2029
Registry record updatedSeptember 21, 2026
Trial IDNCT05485961 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

  • 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
  • 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

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.