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Natural supplement aims to stop painful kidney stones

NCT ID NCT02910531

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether taking a daily alpha lipoic acid supplement can reduce the return of cystine kidney stones in people with cystinuria. Half of the 50 participants will take 1200 mg of the supplement daily for three years, and the other half will take a placebo. The main goal is to see if the supplement lowers stone recurrence and urinary cystine levels.

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

50 people

The number who actually took part.

Started

Jun 2017

Finished

Dec 2024

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: * Documented cystinuria on prior 24-hour urine collection and/or stone analysis; history of previous cystine kidney stones. * Being able and willing to provide consent. Exclusion Criteria: * Poorly controlled diabetes mellitus (hemoglobin A1C \> 8.0% for more than 1 year). * Current alpha-lipoic acid administration at the time of screening or within the last year prior to screening. * Vulnerable populations including incarceration status. * Unable to give informed consent. * Non-English primary language. * Pregnancy, lactation, or child-bearing age without birth control devices. * Anticipation of pregnancy during the study period. * Serious illness likely to cause death within the next 5 years.

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Conditions

The condition(s) this trial relates to.

cystinuria Kidney Calculi

As listed by the trial registrant

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

Contacts and locations

Locations

  • University of California, San Francisco

    San Francisco, California, 94143, United States

More trials for these conditions

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