Clinical trial Recruiting at 94 sites Interventional Ages 18 and up

Evaluating phosphate level targets in patients with end-stage kidney disease

Official title: An Investigator-initiated, International, Multi-centre, Prospective, Randomized, Open-label, Parallel-group, Superiority, and Pragmatic Large Simple Trial (LST) to Determine Whether the Currently Recommended Strategy of Intensive Reduction of Serum Phosphate Concentration Towards the Normal Level Results in Significant Patient-centred Benefits in End-stage Kidney Disease (ESKD) Patients Receiving Dialysis.

Run by The University of Queensland · NCT03573089 · Data updated 2026-11-12

This study tests if lowering blood phosphate levels more strictly helps adults with end-stage kidney disease feel better and reduces their risk of heart problems.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment3600 (estimated)
SponsorThe University of Queensland
Academic / other
Locations126 sites (Camperdown, New South Wales and 125 other locations)
StatusRecruiting
StartedDecember 10, 2019
Main results expectedDecember 31, 2027
Study endsDecember 31, 2028
Registry record updatedAugust 26, 2026
Trial IDNCT03573089 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 45 and older, or those aged 18 and older with diabetes, who have been on dialysis for at least three months and are currently prescribed phosphate-lowering medications.

Probably not a fit

Patients scheduled for elective kidney transplantation or those with major comorbidities that may lead to death within six months 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 trial investigates the impact of lowering blood phosphate levels in patients with end-stage kidney disease (ESKD) on critical health outcomes. It compares a liberal phosphate target of 2.0 to 2.5 mmol/L with an intensive target of ≤1.50 mmol/L to determine which approach better reduces the risk of cardiovascular events and improves overall patient health. The study involves 3600 adult patients receiving dialysis and utilizes phosphate binders as part of the treatment regimen. The primary focus is on patient-centered outcomes, including mortality and quality of life.

Why it matters

Potential benefit: If successful, this study could lead to improved survival rates and quality of life for patients with end-stage kidney disease.

How similar studies have gone: While there is a lack of direct trial data on this specific approach, the study builds on existing guidelines and preliminary evidence suggesting that managing phosphate levels is crucial for ESKD patients.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Age ≥45 years, or Age ≥18 years with diabetes,
2. ESKD on haemodialysis or peritoneal dialysis, for at least 3 months,
3. Currently prescribed at least one phosphate-lowering medication at any dose
4. Able to provide informed consent

Exclusion Criteria:

1. Elective kidney transplantation scheduled,
2. Concomitant major illness / comorbidity that may result in death in the next 6 months in the view of the treating physician,
3. Participation in an interventional study that is likely to affect serum phosphate concentration.

Where it's running

  • Serviço Ubaense de Nefrologia Ltda
    Ubá, Minas Gerais, Brazil
    Recruiting
  • BRA Santa Casa de Misericórdia de Ponta Grossa
    Ponta Grossa, Paraná, Brazil
    Recruiting
  • Sociedade Hospitalar Angelina Caron
    Campina Grande, Paraíba, Brazil
    Recruiting
  • Hospital de Clinicas Porto Alegre
    Porto Alegre, Rio Grande do Sul, Brazil
    Recruiting
  • Fundacao Felice Rosso - Hospital Felicio Rocho
    Barro Preto, Brazil
    Recruiting
  • Hospital Alemao Oswaldo Cruz
    São Paulo, Brazil
    Recruiting
Show 44 more locations
  • Foothills Hospital/ U of Calgary
    Calgary, Alberta, Canada
    Recruiting
  • Alberta Health Services
    Edmonton, Alberta, Canada
    Recruiting
  • St. Paul's Hospital
    Vancouver, British Columbia, Canada
    Recruiting
  • St. Boniface General Hospital
    Winnipeg, Manitoba, Canada
    Recruiting
  • Dalhousie University
    Halifax, Nova Scotia, Canada
    Recruiting
  • Queen's University
    Kingston, Ontario, Canada
    Recruiting
  • London Health Sciences Centre
    London, Ontario, Canada
    Recruiting
  • Sunnybrook Health Sciences Centre
    North York, Ontario, Canada
    Recruiting
  • Oakville Trafalgar Memorial Hospital
    Oakville, Ontario, Canada
    Recruiting
  • Orillia Soldier's Memorial Hospital
    Orillia, Ontario, Canada
    Recruiting
  • Lakeridge Health
    Oshawa, Ontario, Canada
    Recruiting
  • The Ottawa Hospital
    Ottawa, Ontario, Canada
    Recruiting
  • Mackenzie Health
    Richmond Hill, Ontario, Canada
    Recruiting
  • Scarborough Hospital Network
    Scarborough Village, Ontario, Canada
    Recruiting
  • St Michael's Hospital
    Toronto, Ontario, Canada
    Recruiting
  • University Health Network - University of Toronto
    Toronto, Ontario, Canada
    Recruiting
  • St. Joseph's Healthcare Hamilton
    Toronto, Ontario, Canada
    Recruiting
  • St. Joseph's Healthcare Toronto
    Toronto, Ontario, Canada
    Recruiting
  • The Charles Lemoyne Hospital
    Longueuil, Quebec, Canada
    Recruiting
  • McGill University Health Centre
    Montreal, Quebec, Canada
    Recruiting
  • Hopital Maisonneuve Rosemont
    Montreal, Quebec, Canada
    Recruiting
  • Chum
    Montreal, Quebec, Canada
    Recruiting
  • Jewish General Hospital
    Montreal, Quebec, Canada
    Recruiting
  • Sacre Coeur Hospital
    Montreal, Quebec, Canada
    Recruiting
  • CHU de Quebec Universite Laval
    Québec, Quebec, Canada
    Recruiting
  • Centre hospitalier universitaire de Sherbrooke (CHUS)
    Sherbrooke, Quebec, Canada
    Recruiting
  • Centre Hospitalier Universitaire de Sherbrooke
    Sherbrooke, Quebec, Canada
    Recruiting
  • Prairie Vascular Research Inc
    Regina, Saskatchewan, Canada
    Recruiting
  • Red Deer Hospital;
    Red Deer, Canada
    Recruiting
  • Humber River Hospital
    Toronto, Canada
    Recruiting
  • Michael Garron Hospital
    Toronto, Canada
    Recruiting
  • Trillium Health Partners
    Toronto, Canada
    Recruiting
  • AURA Paris Plaisance
    Paris, France
    Recruiting
  • Hadassah University
    Jerusalem, Israel
    Recruiting
  • Shaare Zedek Medical Centre
    Jerusalem, Israel
    Recruiting
  • Meir Hospital
    Kfar Saba, Israel
    Recruiting
  • Sheba Hospital
    Ramat Gan, Israel
    Recruiting
  • Tel Aviv Sourasky Medical Center
    Tel Aviv, Israel
    Recruiting
  • Khoo Teck Puat Hospital
    Singapore, Singapore
    Recruiting
  • Tan Tock Seng Hospital Pte. Ltd.
    Singapore, Singapore
    Recruiting
  • Woodlands Health
    Singapore, Singapore
    Recruiting
  • Ramathibodi Hospital
    Bangkok, Khet Ratchathewi, Thailand
    Recruiting
  • Cambridge University Hospitals NHS Foundation Trust
    Cambridge, Cambridgeshire, United Kingdom
    Recruiting
  • University Hospitals Plymouth NHS Trust
    Plymouth, Devon, United Kingdom
    Recruiting

+76 more sites. See ClinicalTrials.gov for the full list.

Study contacts

  • Principal investigator: Sunil Badve — University of New South Wales
  • Study coordinator: Ron Wald
  • Email: WaldR@smh.ca
  • Phone: 416 867 3703

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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.