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Could a diet of fruits and vegetables replace bicarbonate pills for kidney patients?

NCT ID NCT05113641

Disease control Sponsor: Dylan MacKay 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 This study
Running, but no longer taking on new participants.
Completed
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Sep 18, 2026 · Updated 2 times

Summary

This study explores whether eating alkalizing fruits and vegetables, delivered to your home, can help manage metabolic acidosis in people with chronic kidney disease. The usual treatment, sodium bicarbonate, often causes side effects and doesn't always work. The trial will see if this dietary approach is practical and effective for patients.

What this could mean

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

Active substance
alkalizing fruits and vegetables
What this could lead to
If this approach works, it could offer a more natural and tolerable way to manage metabolic acidosis in chronic kidney disease, potentially reducing reliance on medication.
What could go wrong
This is a small feasibility trial with only 37 participants, so results may not apply widely. The intervention may not effectively control acidosis or may be difficult for patients to follow long-term.

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

37 people

The number who actually took part.

Started

Aug 2023

Expected to finish

Sep 2026

An estimate. End dates often move.

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: * Participant is willing and able to give informed consent for participation in the trial * Male or Female, aged 18 years or above * Participants who have an eGFR between 15 and 40 ml/min/1.73m2 * Two consecutive measurements of serum bicarbonate of 14 to 22 mEq/L * Systolic and diastolic blood pressure \<160/100 mmHg * Serum potassium \<5.3 mmol/L * Hemoglobin A1c below ≤ 11% * Are registered in the nephrology clinic in Winnipeg or Halifax * Participants are able to communicate in English and provide written informed consent Exclusion Criteria: * Anuria, dialysis or acute kidney injury/acute kidney failure in the 3 months prior to screening * Chronic obstructive pulmonary disease that requires the participant to be on oxygen * New York Heart Association Class 3-4 Heart failure 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 GI issues * Participants who have participated in another research trial involving an investigational product in the past 12 weeks * Currently on potassium binding therapy * Female participant who is pregnant or on lactating

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Conditions

The condition(s) this trial relates to.

Acidosis chronic kidney disease chronic renal failure syndrome metabolic acidosis

As listed by the trial registrant

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

Chronic kidney diseases Metabolic acidosis

Contacts and locations

Locations

  • Chronic Kidney Disease (Renal) ClinicQEII - Dickson Building

    Halifax, Nova Scotia, B3H 2Y9, Canada

  • Seven Oaks General Hospital Chronic Disease Innovation Centre

    Winnipeg, Manitoba, R2V 3M3, Canada

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