Den här översättningen är inte klar ännu. Den här sidan är just nu på engelska.

Gå till den engelska sidan

Cure My Disease

Don't miss your cure!

 Log in / Sign up

Could pistachios be safe for failing kidneys? trial tests a forbidden snack

NCT ID NCT07815600

Disease control Sponsor: Shahid Beheshti University of Medical Sciences 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 11, 2026 · Last updated Sep 11, 2026

Summary

People with advanced chronic kidney disease often avoid nuts because of concerns about phosphorus and potassium. Researchers at Shahid Beheshti University of Medical Sciences are testing whether a daily 30-gram serving of pistachios, added to a standard kidney diet, changes levels of phosphorus, parathyroid hormone, and other minerals in the blood and urine. The trial enrolls 20 adults with stage 4 or 5 kidney disease who are not on dialysis. Each participant follows both a pistachio diet and a control diet for four weeks, with a four-week break in between, so researchers can compare the two within the same person.

What this could mean

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

Active substance
pistachios added to a kidney-friendly diet
What this could lead to
If pistachios do not raise phosphorus or parathyroid hormone, this could give people with advanced kidney disease a heart-healthy snack option that current diet rules often discourage.
What could go wrong
The trial is very small, with 20 participants, and lasts only a few weeks, so it cannot show long-term effects on heart health or kidney outcomes. Pistachios are also a common allergen, and the diet still requires careful monitoring.

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

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Mar 2027

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: * Age ≥18 * Stage 4 or 5 non-dialysis CKD, defined as an estimated glomerular filtration rate (eGFR) \<30 mL/min/1.73 m2 Exclusion Criteria: * Unwillingness or inability to provide informed consent. * History of renal replacement therapy (maintenance dialysis or renal transplantation). * Baseline hyperphosphatemia. * Known allergy to pistachios. * Pregnancy or lactation. * Active malignancy under treatment. * Consumption of \<80% of the provided pistachio ration during the intervention period.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Chronic kidney disease (stages 3B-5) are added.

Vår säkerhetsrekommendation!

Genom att skicka in godkänner du våra Användarvillkor

Conditions

The condition(s) this trial relates to.

chronic kidney disease chronic renal failure syndrome end stage renal failure

As listed by the trial registrant

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

Chronic kidney disease (stages 3B-5)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Keshavarz Boulevard, end of Royan Alley - Royana Dead End - Amir Ali Clinic

    Tehran, Tehran Province, Iran

More trials for these conditions

Other studies related to the condition(s) this trial covers.