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Fruit and veggie delivery could change kidney diet rules

NCT ID NCT05090865

Disease control Sponsor: University of Manitoba Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Sep 18, 2026 · Updated 3 times

Summary

This study tests whether people with chronic kidney disease can safely eat potassium-rich fruits and vegetables instead of following the usual low-potassium diet. Thirty participants will receive home-delivered groceries with either high- or low-potassium produce in a random order. Researchers will track potassium levels in blood and urine, blood pressure, and quality of life to see if liberalizing potassium intake is safe and beneficial.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
dietary potassium from fruits and vegetables
What this could lead to
If it works, this could change dietary advice for people with chronic kidney disease, allowing them to eat more fruits and vegetables without worrying about potassium levels.
What could go wrong
This is a very small early-stage trial with only 30 participants, so results may not apply to everyone. It is testing a dietary change, not a new drug, so the impact is likely modest.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

30 people

The number who actually took part.

Started

Jan 2024

Finished

Aug 2026

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Male or female, aged 18 years or above * Participants who have an estimated glomerular filtration rate between 15 and 45 ml/min/1.73m2 * Serum potassium concentration between 4.5 and 5.5 milliequivalent (mEq)/L * Hemoglobin A1c ≤ 11% * Systolic and diastolic blood pressure \<160/100 mmHg * Are registered in the multidisciplinary nephrology clinic in Winnipeg * Able to communicate in English and provide written informed consent Exclusion Criteria: * Serum potassium concentration \> 5.6 mEq/L, anuria, dialysis, or acute kidney injury failure in the 6 months prior to screening * Chronic obstructive pulmonary disease that requires the participant to be on oxygen * New York Heart Association Class 3-4 Heart symptoms or heart, liver or renal transplant * A myocardial infarction or stroke within the last 6 months * Unable to consume study treatments or control, such as swallowing or gastro-intestinal issues * Currently on potassium binding therapy * In the opinion of the investigator any medical condition, uncontrolled systemic disease or concurrent illness that would decrease the study compliance or jeopardize the safety of the participant * Female participant who is pregnant or lactating

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Conditions

The condition(s) this trial relates to.

chronic kidney disease chronic renal failure syndrome Hyperkalemia

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Chronic kidney disease Hyperkalemia

Contacts and locations

Locations

  • Health Sciences Centre

    Winnipeg, Manitoba, R3A 1R9, Canada

  • Seven Oaks General Hospital Chronic Disease Innovation Centre

    Winnipeg, Manitoba, R2V 3M3, Canada

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