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Looking for participantsPhase2/Phase3

Combined Dose-Finding and CV Outcomes Study With CSL300 (Clazakizumab) in Adult Subjects With ESKD Undergoing Dialysis (POSIBIL6ESKD)

Sponsor: CSL Behring

NCT ID: NCT05485961

View on ClinicalTrials.gov ↗

At a glance

What the study gets you
Access to the study treatment being tested
Type of study
Interventional (receives a drug or procedure)
Time in hospital
In-person visits at study sites — visit count not specified by the sponsor
Drug or intervention
CSL300 (drug), Placebo (drug)
How long the study runs
Study runs about 61 months (dates as stated)
About the drug or intervention
CSL300 — drug: IV administration · Placebo — drug: Matching the excipient content and concentration of the CSL300 product, minus the active ingredient.
Patient visit burden
Not specified by the sponsor
Type of study
Testing a treatment
Ages
18 Years and over
Who
All
Number of participants
3,110
Started
2024-04-27
Last checked
2026-09

Plain English Summary

What is this study?

  • • Testing a new treatment for end stage kidney disease
  • • Phase2/Phase3 - 3,110 participants
  • • This is a two-part, phase 2b and phase 3 combined prospective, interventional, multicenter, randomized, double-blind, placebo-controlled study

Who can take part?

  • • Ages 18 Years and over
  • • Diagnosed with end stage kidney disease

Where?

  • • Birmingham - University Hospitals Birmingham NHS Foundation Trust - Birmingham Heartlands Hospital (BHH)
  • • Bradford - Bradford Teaching Hospitals NHS Foundation Trust
  • • Coventry - University Hospital Coventry and Warwickshire
  • • Derby - University Hospitals of Derby and Burton NHS Foundation Trust - Royal Derby Hospital
  • • +11 more UK sites

This is a simplified summary. Always discuss with your doctor before making any decisions.

About This Trial

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.

End Stage Kidney Disease

How this trial compares with your answers

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What we know so far

Condition· Matched your search
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Gender· Tell us your sex for better matching

Still need:

  • • Tell us your age for better matching
  • • Tell us your sex for better matching

Preliminary match based on your answers. Full eligibility requires on-site assessment including medical history, physical exam, and lab tests. This does not guarantee enrolment.

Eligibility at a Glance

Key info

  • Age: 18 Years and over
  • Who can join: All genders

Biomarkers mentioned

with a positive

What the study is looking for

  • ✓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.

Who cannot take part

  • ✗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...
See the full 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 Is This Study? (15 UK sites)

University Hospitals Birmingham NHS Foundation Trust - Birmingham Heartlands Hospital (BHH)

Birmingham B9 5SS, United Kingdom

WITHDRAWN
Hospital R&D contact (matched)

Sarah Pountain Head of Research Governance

R&D@uhb.nhs.uk0121 371 4185

Bradford Teaching Hospitals NHS Foundation Trust

Bradford BD9 6RJ, United Kingdom

Recruiting
Hospital R&D contact (matched)

Jane Dennison

bradfordresearch.applications@bthft.nhs.uk01274 382575

University Hospital Coventry and Warwickshire

Coventry CV2 2DX, United Kingdom

Recruiting
Hospital R&D contact (matched)

Josie Goodby

research@uhcw.nhs.uk02476 965244

University Hospitals of Derby and Burton NHS Foundation Trust - Royal Derby Hospital

Derby DE22 3NE, United Kingdom

Recruiting
Hospital R&D contact (matched)

Dr Teresa Grieve

uhdb.researchgov@nhs.net01332 724639 / 01332 724638

Dorset County Hospital NHS Foundation Trust - Dorset County Hospital (DCH)

Dorchester DT1 2JY, United Kingdom

WITHDRAWN
Hospital R&D contact (matched)

Anthony Homer. Research Governance Manager

Research@dchft.nhs.uk01305 253 127

Royal Liverpool University Hospital

Liverpool L7 8XP, United Kingdom

Recruiting

William Harvey Research Institute ; Barts Health NHS Trust - The Royal London Hospital

London E1 1BB, United Kingdom

Recruiting
Hospital R&D contact (matched)

Dr Mays Jawad

research.governance@qmul.ac.uk020 7882 6826

King´s College NHS Trust

London SE5 9RS, United Kingdom

Recruiting

St George's University Hospitals NHS Foundation Trust - St G

London SW17 0QT, United Kingdom

Recruiting
Hospital R&D contact (matched)

Mr Subhir Bedi

researchgovernance@sgul.ac.uk020 8725 4986

Hammersmith Hospital Imperial College Healthcare NHS Trust -Hammersmith Hospital - West London Renal and Transplant Centre

London W12 0HS, United Kingdom

Recruiting
Hospital R&D contact (matched)

Donna Copeland

donna.copeland@nhs.net---

Altnagelvin Area Hospital

Londonderry BT47 6SB, United Kingdom

Recruiting
Hospital R&D contact (matched)

Mary Mc Gonigle

research.office@westerntrust.hscni.net028 71611362

Northern Care Alliance NHS Foundation Trust - Salford Royal NHS Foundation Trust-Salford Care Organisation

Salford M6 8HD, United Kingdom

Recruiting
Hospital R&D contact (matched)

Katie Doyle

RDResearch@nca.nhs.uk---

The Shrewsbury and Telford Hospital NHS Trust (SaTH) - Royal Shrewsbury Hospital

Shrewsbury SY3 8XQ, United Kingdom

Recruiting
Hospital R&D contact (matched)

Joanne Sawyer, Head of R&I

Sath.research@nhs.net01743 261000 ext 1646

Royal Stoke University Hospital

Stoke-on-Trent ST4 6QG, United Kingdom

Recruiting
Hospital R&D contact (matched)

Sarah Jones

studysetup@uhnm.nhs.uk01782 675385

The Royal Wolverhampton NHS Trust - New Cross Hospital

Wolverhampton WV10 0QP, United Kingdom

Recruiting
Hospital R&D contact (matched)

Sarah Glover

rwh-tr.rdpmteam@nhs.net01902 695065

How to Get in Touch

Trial Registration Coordinator

Sponsor contact

CONTACT

+1 610-878-4697 clinicaltrials@cslbehring.com
Data sourced from ClinicalTrials.gov · Last verified: 2026-09