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A randomized U.K. trial of 445 older adults with kidney failure and additional health conditions found no advantage for either preparing for dialysis or structured conservative kidney management when survival and quality of life were considered together. Only 28% of those assigned to prepare for dialysis started it. The results support offering both approaches for discussion, but do not apply to younger, fitter patients or people already receiving dialysis.
A U.K. randomized trial of 445 older people with kidney failure found that preparing for dialysis did not lead to better combined survival and quality-of-life outcomes than preparing for structured kidney care without dialysis. Led by the University of Bristol, the Prepare for Kidney Care study challenges treating dialysis as an automatic next step for older adults with frailty or other health conditions, while leaving individual treatment choices open.
Participants were recruited through 31 U.K. kidney centers, representing about half of the country’s kidney services. About 75% were aged 80 or older; the rest were 65 to 79 and had additional health problems. Researchers randomly assigned participants to prepare for renal dialysis or for responsive management, a form of conservative kidney care, and followed them over time.
Across an average follow-up of 4.5 years, neither approach produced better outcomes when length and quality of life were considered together, according to the report. Among people assigned to prepare for dialysis, 28% went on to start treatment. The report also says participants in both groups were more likely to die from other causes than to require dialysis, reflecting the health needs of the people enrolled.
The study took nine years to complete, including seven years of recruitment. Participants could leave the trial, and could change their treatment pathway. The researchers say the findings apply to older people with kidney failure and additional health conditions or frailty—not to people already on dialysis, or younger, fitter patients, for whom dialysis and transplantation remain standard care.
How the Results Could Change Kidney Care
The findings give patients and clinicians trial evidence to discuss an alternative to planning dialysis for every older person with advanced kidney disease. The practical point is not that dialysis should be withheld, but that dialysis and conservative kidney management are both options for the population studied, with neither showing an advantage on the combined outcome of survival and quality of life.
That distinction matters because planning for dialysis does not mean every patient will need or start it: in this trial, fewer than one in three assigned to prepare for it did so. A structured approach without dialysis is described as active care, rather than no treatment. Decisions still need to account for a person’s health, priorities and preferences, with support for patients and families. The result may inform NHS policy and clinical discussions, but the report does not establish how services will change.
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A Trial Designed for Frailer Patients
Evidence comparing dialysis planning with conservative kidney care has been limited for older people with frailty and multiple health conditions. The Prepare for Kidney Care trial was designed to address that gap by comparing the two approaches in a group often underrepresented in treatment discussions. Its randomized design allocated participants to one of the two pathways, while allowing them to withdraw or change course.
Trial lead Fergus Caskey, professor of renal medicine at the University of Bristol and consultant nephrologist at Bristol NHS Foundation Trust, said conservative kidney management is an active treatment that does not include dialysis. He said the results indicate that both approaches are worth considering for the older, medically complex group studied and that neither should be the default.
Kidney Care UK policy director Fiona Loud said the study adds data to treatment decisions for older, frail people with other health conditions. She also said patients need information and support, and that staff should be supported to help them make choices. Professor Fliss Murtagh of Hull York Medical School said the findings could support decisions that reflect what matters most to patients and families.
“The findings will help support more personalized care, patient choice and better-informed decisions.”
— Professor Fliss Murtagh, director of the Wolfson Palliative Care Research Center at Hull York Medical School
Limits of the Trial Findings
The report does not provide enough detail here to establish whether particular subgroups benefited more from one approach, or how outcomes varied according to participants’ individual preferences and health conditions. It reports similar outcomes when survival and quality of life are considered together; that does not mean the two approaches are identical for every patient or that each person will have the same experience.
The findings also cannot be generalized to people already receiving dialysis or to younger and fitter patients. The report does not specify what changes, if any, NHS services or guidance will make in response, or how access to conservative care varies between locations. Those policy and implementation questions remain open.
How Services May Apply the Evidence
The next step is for clinicians, patients and families to use the results in conversations about treatment options for the group the trial studied. Kidney Care UK has called for staff to have the support needed to help patients make informed choices and for care to be available regardless of where a person lives. NHS England’s renal clinical director said the study strengthens the evidence base for informed choice and shared decision-making.
The report does not announce a specific change to NHS policy or a timetable for new guidance. Further discussion and assessment of how the findings apply in practice are expected, while treatment decisions remain individual. Patients can change their pathway, according to the trial report.
Key Questions
What did the kidney care trial find?
In 445 older U.K. participants with kidney failure and additional health conditions or frailty, the trial found no advantage for either approach when survival and quality of life were considered together: preparing for dialysis or preparing for structured conservative kidney management.
Does the study say older adults should avoid dialysis?
No. The findings challenge dialysis as an automatic default for the population studied; they do not recommend avoiding dialysis. The researchers say both approaches are worth considering, and treatment choices should be made with patients and their families.
What is conservative kidney management?
In this report, it is described as active kidney care that does not include dialysis. The report says participants could change their treatment pathway, including moving on to dialysis.
Who do the findings apply to?
The results concern older people with kidney failure who also had frailty or other health conditions. They do not apply to people already receiving dialysis or to younger, fitter patients, for whom dialysis and transplantation remain standard care.
Will the trial change NHS policy?
The study was intended to inform care and NHS policy, and NHS England’s renal clinical director described it as important new evidence. The report does not announce a specific policy change or implementation timetable.
Source: medicalxpress.com
