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A feasibility study to inform the design of a national multi-centre RCT to evaluate if reducing serum phosphate to normal levels improves clinical outcomes including mortality, cardiovascular events, bone pain or fracture in patients on dialysis

A feasibility study to inform the design of a national multi-centre RCT to evaluate if reducing serum phosphate to normal levels improves clinical outcomes including mortality, cardiovascular events, bone pain or fracture in patients on dialysis

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN24741445
Enrollment
120
Registered
2014-01-16
Start date
2013-05-27
Completion date
Unknown
Last updated
2020-02-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Topic: Renal and Urogenital

Interventions

Communicare: This is a self help computer package to encourage adherance to oral phosphate binders. Dietician review: This is done in the washout period Modified BAASIS

Sponsors

Central Manchester University Hospitals NHS Trust (CMFT) (UK)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Male and female patients aged 30 years or above, on dialysis for at least 6 months, under the supervision of Central Manchester University Hospitals Foundation Trust (CMFT) or Salford Royal NHS Foundation Trust (SRFT) 2. Serum phosphate level of 1.8mmol/L or greater after washout (discontinuation) of previous phosphate binding medication 3. Able to achieve Renal Association standards for quality of dialysis 4. Able to communicate in English ('Communicare' package is available only in English) 5. Able to consent

Exclusion criteria

Exclusion criteria: 1. Living donor renal transplant planned in the next 12 months 2. Serum parathyroid hormone greater than 800 pg/ml (85 pmol/L)on 2 consecutive 3-monthly blood tests. Such patients probably have uncontrolled hyperparathyroidism which adversely influences serum phosphate levels, and needs treatment in its own right 3. Known intolerance of oral sevelamer and lanthanum carbonate 4. Medical history that might limit the individual's ability to take the trial treatments for the duration of the study (e.g. history of cancer other than non-melanoma skin cancer, or recent history of alcohol or substance misuse) 5. Patients aged below 30 years have a low rate of vascular events and will not be recruited

Design outcomes

Primary

MeasureTime frame
Feasibility; Timepoint(s): End of the study - Is a large national multi-centre RCT feasible?

Secondary

MeasureTime frame
1. Adherance; Timepoint(s): End of the study 2. Consent; Timepoint(s): End of the study - Percentage Suitable Vs Percentage consented 3. Drop out rate; Timepoint(s): End of the study 4. Event rate; Timepoint(s): End of the study 5. Pill burden; Timepoint(s): End of the study 6. Renal physicians; Timepoint(s): End of the study - Percentage of renal physoicians willing to let their patients enroll 7. Suitability; Timepoint(s): Percentage of total dialysis population found suitable - End of the study 8. Target Phosphate; Timepoint(s): End of the study - Percentage who achieved target serum phosphate

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 5, 2026