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NCT03573089Recruiting

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

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.

Source: ClinicalTrials.gov · Last updated 26 Aug 2026

Brief summary (registry, in English)

During end-stage kidney disease, clinical guidelines suggest reducing elevated phosphate levels in the blood. However, the effect of lowering blood phosphate levels on important patient-centred outcomes has never been tested. This trial will evaluate whether compared to high levels, lowering blood phosphate levels would reduce death or major events due to heart disease, improve physical health, and be cost-effective.

Status (registry)
Recruiting
Study type
Interventional
Enrollment
3600 (estimated)
First submitted
20 May 2018
Start date
10 Dec 2019
Primary completion date
31 Dec 2027
Lead sponsor
The University of Queensland
NCT number
NCT03573089

What you commit to

  • Study type: Interventional
  • Planned participants: 3600
  • From 10 Dec 2019 to the primary completion date, 31 Dec 2027
  • 126 sites in 9 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Elective kidney transplantation scheduled,
  • Concomitant major illness / comorbidity that may result in death in the next 6 months in the view of the treating physician,

Lab values

  • Participation in an interventional study that is likely to affect serum phosphate concentration.

Who the study is looking for

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

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (126)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Central and Northern Adelaide Renal and Transplant Service
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AdelaideAustraliaCompleted
Armadale Hospital
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ArmadaleAustraliaCompleted
Flinders Medical Centre
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Bedford ParkAustraliaCompleted
Sunshine Coast University Hospital
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BirtinyaAustraliaCompleted
Royal Brisbane and Women's Hospital
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BrisbaneAustraliaCompleted
Princess Alexandra Hospital
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BrisbaneAustraliaCompleted
Bundaberg Hospital
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BundabergAustraliaCompleted
Cairns Hospital
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CairnsAustraliaCompleted
Royal Prince Alfred Hosptial
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CamperdownAustraliaCompleted
Austin Health
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HeidelbergAustraliaCompleted
Fraser Coast Renal Service
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Hervey BayAustraliaCompleted
Nepean Hospital
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KingswoodAustraliaCompleted
St George Hospital
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KogarahAustraliaCompleted
Mackay Hospital
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MackayAustraliaCompleted
Logan Hospital
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MeadowbrookAustraliaCompleted
Royal Melbourne Hospital
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MelbourneAustraliaCompleted
St Vincent's Hospital Melbourne
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MelbourneAustraliaCompleted
Royal North Shore Hospital
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Saint LeonardsAustraliaCompleted
Gold Coast University Hospital
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SouthportAustraliaCompleted
Townsville University Hospital
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TownsvilleAustraliaCompleted
Latrobe Regional Hospital
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TraralgonAustraliaCompleted
Western Sydney Renal Service
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WestmeadAustraliaCompleted
Wollongong Hospital
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WollongongAustraliaCompleted
Fundacao Felice Rosso - Hospital Felicio Rocho
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Barro PretoBrazilRecruiting
Sociedade Hospitalar Angelina Caron
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Campina GrandeBrazilRecruiting
BRA Santa Casa de Misericórdia de Ponta Grossa
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Ponta GrossaBrazilRecruiting
Hospital de Clinicas Porto Alegre
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Porto AlegreBrazilRecruiting
Hospital Alemão Oswaldo Cruz
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São PauloBrazilRecruiting
Serviço Ubaense de Nefrologia Ltda
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UbáBrazilRecruiting
Foothills Hospital/ U of Calgary
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CalgaryCanadaRecruiting
Alberta Health Services
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EdmontonCanadaRecruiting
Dalhousie University
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HalifaxCanadaRecruiting
Queen's University
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KingstonCanadaRecruiting
London Health Sciences Centre
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LondonCanadaRecruiting
The Charles Lemoyne Hospital
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LongueuilCanadaRecruiting
CHUM
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MontrealCanadaRecruiting
Jewish General Hospital
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MontrealCanadaRecruiting
McGill University Health Centre
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MontrealCanadaRecruiting
Sacre Coeur Hospital
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MontrealCanadaRecruiting
Hôpital Maisonneuve-Rosemont
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MontrealCanadaRecruiting
Sunnybrook Health Sciences Centre
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North YorkCanadaRecruiting
Oakville Trafalgar Memorial Hospital
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OakvilleCanadaRecruiting
Orillia Soldier's Memorial Hospital
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OrilliaCanadaRecruiting
Lakeridge Health
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OshawaCanadaRecruiting
The Ottawa Hospital
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OttawaCanadaRecruiting
CHU de Quebec-Universite Laval
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QuébecCanadaRecruiting
Red Deer Hospital;
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Red DeerCanadaRecruiting
Prairie Vascular Research Inc.
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ReginaCanadaRecruiting
Mackenzie Health
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Richmond HillCanadaRecruiting
Scarborough Hospital Network
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Scarborough VillageCanadaRecruiting
Centre hospitalier universitaire de Sherbrooke (CHUS)
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SherbrookeCanadaRecruiting
Centre Hospitalier Universitaire de Sherbrooke
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SherbrookeCanadaRecruiting
Humber River Hospital
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TorontoCanadaRecruiting
St. Joseph's Healthcare Hamilton
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TorontoCanadaRecruiting
Michael Garron Hospital
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TorontoCanadaRecruiting
Trillium Health Partners
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TorontoCanadaRecruiting
St. Joseph's Healthcare Toronto
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TorontoCanadaRecruiting
University Health Network - University of Toronto
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TorontoCanadaRecruiting
St. Michael's Hospital
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TorontoCanadaRecruiting
St. Paul's Hospital
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VancouverCanadaRecruiting
Vancouver General Hospital
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VancouverCanadaCompleted
St. Boniface General Hospital
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WinnipegCanadaRecruiting
AURA Paris - Plaisance
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ParisFranceRecruiting
NHS Lanarkshire
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AirdrieUnited KingdomRecruiting
Wirral University Teaching Hospital NHS Foundation Trust
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BirkenheadUnited KingdomRecruiting
University Hospital Birmingham NHS Foundation Trust
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BirminghamUnited KingdomRecruiting
Bradford Teaching Hospital NHS Foundation Trust
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BradfordUnited KingdomRecruiting
University Hospitals Sussex NHS Foundation Trust
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BrightonUnited KingdomRecruiting
West Suffolk Hospital
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Bury St EdmundsUnited KingdomRecruiting
Cambridge University Hospitals NHS Foundation Trust
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CambridgeUnited KingdomRecruiting
East Kent Hospitals University NHS Foundation Trust
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CanterburyUnited KingdomRecruiting
Cardiff and Wales University Local Health Board
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CardiffUnited KingdomRecruiting
North Cumbria Integrated Care NHS Foundation Trust
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CarlisleUnited KingdomRecruiting
Epsom and St Helier University Hospitals NHS Trust
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CarshaltonUnited KingdomRecruiting
Gloucestershire Hospital NHS Foundation Trust
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CheltenhamUnited KingdomRecruiting
Portsmouth Hospitals University NHS Trust
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CoshamUnited KingdomRecruiting
University Hospitals Coventry & Warwickshire
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CoventryUnited KingdomRecruiting
University Hospitals of Derby and Burton
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DerbyUnited KingdomRecruiting
Doncaster and Bassetlaw Teaching Hospitals NHS Foundation Trust
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DoncasterUnited KingdomRecruiting
Dorset County Hospital NHS Foundation Trust
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DorchesterUnited KingdomRecruiting
The Dudley Group Nhs Foundation Trust
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DudleyUnited KingdomRecruiting
Royal Devon and Exeter NHS Foundation Trust
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ExeterUnited KingdomRecruiting
NHS Greater Glasgow and Clyde
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GlasgowUnited KingdomRecruiting
James Paget University Hospitals NHS Foundation Trust
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Great YarmouthUnited KingdomRecruiting
Hull University Teaching Hospital NHS Trust
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HullUnited KingdomRecruiting
Nhs Highland
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InvernessUnited KingdomRecruiting
Ipswich Hospital (East Suffolk & North Essex Foundation Trust)
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IpswichUnited KingdomRecruiting
NHS Ayrshire and Arran
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KilmarnockUnited KingdomRecruiting
University Hospitals of Leicester NHS Trust
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LeicesterUnited KingdomRecruiting
University Hospital Aintree
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LiverpoolUnited KingdomRecruiting
Royal Liverpool University Hospitals
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LiverpoolUnited KingdomRecruiting
King's College Hospital NHS Foundation Trust
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LondonUnited KingdomRecruiting
Guy's and St Thomas' NHS Foundation Trust
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LondonUnited KingdomRecruiting
St. George's University Hospitals NHS Foundation Trust
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LondonUnited KingdomRecruiting
Manchester University NHS Foundation Trust
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ManchesterUnited KingdomRecruiting
South Tees Hospitals NHS Foundation Trust
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MiddlesbroughUnited KingdomRecruiting
The Newcastle Upon Tyne Hospitals NHS Foundation Trust
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Newcastle upon TyneUnited KingdomRecruiting
Nottingham University Hospitals NHS Trust
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NottinghamUnited KingdomRecruiting
University Hospitals Plymouth NHS Trust
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PlymouthUnited KingdomRecruiting
Royal Berkshire NHS Foundation Trust
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ReadingUnited KingdomRecruiting
Salford Royal NHS Foundation Trust
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SalfordUnited KingdomRecruiting
Sheffield Teaching Hospitals NHS Foundation Trust
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SheffieldUnited KingdomRecruiting
Shrewsbury and Telford Hospital NHS Trust
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ShrewsburyUnited KingdomRecruiting
Mid and South Essex NHS Foundation Trust
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Southend-on-SeaUnited KingdomRecruiting
East and North Hertfordshire NHS Trust
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StevenageUnited KingdomRecruiting
University Hospital of North Midlands NHS Trust
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Stoke-on-TrentUnited KingdomRecruiting
South Tyneside and Sunderland NHS Foundation Trust
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SunderlandUnited KingdomRecruiting
The Royal Wolverhampton NHS Trust
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WolverhamptonUnited KingdomRecruiting
York and Scarborough Teaching Hospitals NHS Foundation Trust
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YorkUnited KingdomRecruiting
Hadassah University
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JerusalemIsraelRecruiting
Shaare Zedek Medical Centre
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JerusalemIsraelRecruiting
Meir Hospital
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Kfar SabaIsraelRecruiting
Sheba Hospital
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Ramat GanIsraelRecruiting
Tel-Aviv Sourasky Medical Center
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Tel AvivIsraelRecruiting
Auckland City Hospital
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AucklandNew ZealandCompleted
Christchurch Hospital
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ChristchurchNew ZealandCompleted
Dunedin Hospital
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DunedinNew ZealandCompleted
Waikato DHB
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HamiltonNew ZealandCompleted
Hawkes Bay Hospital
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HastingsNew ZealandCompleted
Middlemore Hospital
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OtahuhuNew ZealandCompleted
Waitematā Hospital
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TakapunaNew ZealandCompleted
Northland DHB
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WhangareiNew ZealandCompleted
Tan Tock Seng Hospital Pte. Ltd.
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SingaporeSingaporeRecruiting
Woodlands Health
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SingaporeSingaporeRecruiting
Khoo Teck Puat Hospital
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SingaporeSingaporeRecruiting
Ramathibodi Hospital
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BangkokThailandRecruiting

This page is information, not medical advice. Discuss any trial with your doctor.