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Search / Trial NCT03573089

Pragmatic Randomised Trial of High Or Standard PHosphAte Targets in End-stage Kidney Disease (PHOSPHATE)

Launched by THE UNIVERSITY OF QUEENSLAND · Jun 18, 2018

Trial Information

Current as of June 26, 2025

Recruiting

Keywords

Renal Dialysis Randomised Controlled Trial Bone Markers Cardiovascular Risk Factors Phosphate Lowering Agent End Stage Kidney Disease Hyperphosphatemia

ClinConnect Summary

The PHOSPHATE trial is studying the effects of lowering blood phosphate levels in patients with end-stage kidney disease (ESKD). While doctors recommend reducing high phosphate levels to improve health, we don’t yet know how this impacts important outcomes like heart disease, overall health, and even costs for patients. This trial aims to find out if lowering phosphate levels can help reduce the risk of death or heart problems, improve physical well-being, and be more cost-effective compared to keeping phosphate levels higher.

To participate in this trial, you need to be at least 45 years old (or 18 years old with diabetes), have been on dialysis for at least three months, and be taking at least one medication to lower phosphate levels. You should also be able to give your consent to participate. Participants will be monitored to see how lowering phosphate affects their health and well-being. It’s important to know that if you have plans for a kidney transplant soon or have other serious health issues, you may not be eligible for this study.

Gender

ALL

Eligibility 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.

About The University Of Queensland

The University of Queensland (UQ) is a leading research institution located in Australia, renowned for its commitment to advancing health and medical knowledge through innovative clinical trials. With a strong emphasis on collaboration between academia, industry, and healthcare communities, UQ leverages its extensive resources and expertise to conduct high-quality research aimed at improving patient outcomes. The university's multidisciplinary approach facilitates the exploration of diverse therapeutic areas, ensuring rigorous scientific methodologies and adherence to ethical standards. UQ's dedication to fostering a culture of discovery positions it at the forefront of clinical research, contributing significantly to the global body of medical knowledge.

Locations

Wollongong, New South Wales, Australia

Kingston, Ontario, Canada

Vancouver, British Columbia, Canada

Christchurch, , New Zealand

Vancouver, British Columbia, Canada

Bedford Park, South Australia, Australia

Leicester, , United Kingdom

Melbourne, Victoria, Australia

Hastings, , New Zealand

Dunedin, , New Zealand

Ottawa, Ontario, Canada

Heidelberg, Victoria, Australia

Kogarah, New South Wales, Australia

Sherbrooke, Quebec, Canada

Auckland, , New Zealand

Toronto, Ontario, Canada

Kfar Saba, , Israel

London, Ontario, Canada

Brisbane, Queensland, Australia

Montréal, Quebec, Canada

Hamilton, , New Zealand

London, , United Kingdom

Canterbury, Kent, United Kingdom

Southport, Queensland, Australia

Reading, , United Kingdom

Nottingham, , United Kingdom

Ramat Gan, , Israel

Meadowbrook, Queensland, Australia

Saint Leonards, New South Wales, Australia

Cairns, Queensland, Australia

Melbourne, Victoria, Australia

London, , United Kingdom

Toronto, Ontario, Canada

Birtinya, Queensland, Australia

Otahuhu, , New Zealand

Halifax, Nova Scotia, Canada

Oshawa, Ontario, Canada

London, , United Kingdom

Newcastle Upon Tyne, , United Kingdom

Sheffield, South Yorkshire, United Kingdom

Middlesbrough, , United Kingdom

Kingswood, New South Wales, Australia

Oakville, Ontario, Canada

Traralgon, Victoria, Australia

Manchester, , United Kingdom

Camperdown, New South Wales, Australia

Exeter, , United Kingdom

Westmead, New South Wales, Australia

Brisbane, Queensland, Australia

Bundaberg, Queensland, Australia

Hervey Bay, Queensland, Australia

Mackay, Queensland, Australia

Adelaide, South Australia, Australia

Armadale, Western Australia, Australia

Calgary, Alberta, Canada

Vancouver, Bristish Columbia, Canada

Scarborough, Ontario, Canada

Toronto, Ontario, Canada

Toronto, Ontario, Canada

Montreal, Quebec, Canada

Montréal, Quebec, Canada

Montréal, Quebec, Canada

Montréal, Quebec, Canada

Quebec City, Quebec, Canada

Takapuna, , New Zealand

Whangarei, , New Zealand

Cambridge, Cambridgeshire, United Kingdom

Nottingham, Nottinghamshire, United Kingdom

São Paulo, , Brazil

Edmonton, Alberta, Canada

Paris, , France

Porto Alegre, Rio Grande Do Sul, Brazil

Toronto, Ontario, Canada

Plymouth, Devon, United Kingdom

Airdrie, North Lanarkshire, United Kingdom

Middlesbrough, North Yorkshire, United Kingdom

Brighton, Sussex, United Kingdom

Dorchester, Dorset, United Kingdom

Sunderland, Durham, United Kingdom

Great Yarmouth, Norfolk, United Kingdom

Inverness, Scotland, United Kingdom

Shrewsbury, Shropshire, United Kingdom

Longueuil, Quebec, Canada

Stevenage, Hertfordshire, United Kingdom

York, North Yorkshire, United Kingdom

Bradford, West Yorkshire, United Kingdom

Birkenhead, Wirral, United Kingdom

Glasgow, Kent, United Kingdom

Stoke On Trent, Staffordshire, United Kingdom

Bury St Edmunds, Suffolk, United Kingdom

Campina Grande, Paraíba, Brazil

Cheltenham, , United Kingdom

Southend On Sea, , United Kingdom

Orillia, Ontario, Canada

Toronto, , Canada

Brisbane, Queensland, Australia

Townsville, Queensland, Australia

Melbourne, Victoria, Australia

Armadale, Washington, Australia

Barro Preto, , Brazil

Red Deer, , Canada

Toronto, , Canada

Toronto, , Canada

Jerusalem, , Israel

Jerusalem, , Israel

Bangkok, Khet Ratchathewi, Thailand

Campina Grande, , Brazil

Patients applied

0 patients applied

Trial Officials

Sunil Badve

Principal Investigator

The University of Queensland

Ron Wald

Principal Investigator

St Michael's Hospital

Rona Smith

Principal Investigator

University of Cambridge

Suetonia Green

Principal Investigator

University of Otago

Patrick Mark

Principal Investigator

University of Glasgow

Rathika Krishnasamy

Principal Investigator

The University of Queensland

Michael Walsh

Principal Investigator

Hamilton Centre for Kidney Research

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported

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