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Can a simple pill help kidney patients exercise better?

NCT ID NCT02947750

Knowledge-focused Sponsor: Emory University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study looks at why people with chronic kidney disease (CKD) have trouble exercising and often experience high blood pressure during physical activity. Researchers will test whether regular cycling exercise, a drug called Kuvan, or supplements like histidine and beta-alanine can improve these issues. The goal is to better understand the body's response to exercise in CKD patients and find ways to help them stay active.

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

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 150 people

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

Started

Oct 2016

Expected to finish

Apr 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 to 75 years

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 for Chronic Kidney Disease Patients: * Stage III or IV Chronic Kidney Disease, defined as reduction in estimated glomerular filtration rate (eGFR) to 15-59 cc/minute as calculated by the modified Modification of Diet in Renal Disease (MDRD) Study equation or the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation * Stable renal function, with no greater than a 30% reduction in eGFR over the prior 3 months * Does not exercise regularly (defined as exercising less than 20 minutes twice per week) * Willing and able to cooperate with the study protocol Inclusion Criteria for Control Study Participants: * Does not exercise regularly (defined as exercising less than 20 minutes twice per week) * Willing and able to cooperate with the study protocol Exclusion Criteria: * severe CKD (eGFR\<15 cc/minute) * ongoing drug or alcohol abuse * diabetic neuropathy * any serious systemic disease that might influence survival * severe anemia with hgb level \<9 g/dL * clinical evidence of congestive heart failure or ejection fraction below 35% * symptomatic heart disease determined by prior electrocardiogram, stress test, and/or history * treatment with central alpha agonists (clonidine) * uncontrolled hypertension with BP greater than 170/100 mm Hg * low blood pressure with BP less than 100/50 * pregnancy or plans to become pregnant * current treatment with monoamine oxidase (MAO) inhibitors * inability to exercise on a stationary bicycle

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Conditions

The condition(s) this trial relates to.

chronic kidney disease chronic renal failure syndrome hypertensive disorder kidney disorder

As listed by the trial registrant

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

Renal insufficiency chronic

How to take part

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

  1. The places running it

    3 sites. 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

  • Atlanta VA Health Care System

    RECRUITING

    Decatur, Georgia, 30033, United States

  • Emory University Hospital

    RECRUITING

    Atlanta, Georgia, 30322, United States

  • Emory University Hospital Midtown

    RECRUITING

    Atlanta, Georgia, 30308, United States

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