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Eye-Opening study: amino acids may slow nearsightedness in young adults

NCT ID NCT07585877

Disease control Sponsor: Zhongda Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 14, 2026 · Updated 2 times

Summary

This study tests whether taking branched-chain amino acid (BCAA) supplements for six months can slow the progression of myopia (nearsightedness) in young adults aged 18 to 25. Participants either receive BCAA supplements plus standard glasses or a placebo plus glasses. The goal is to see if this nutritional approach can safely reduce eye growth and prevent vision from getting worse.

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 104 people

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

Started

Jan 2026

Expected to finish

Jan 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 25 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: 1. Healthy university students aged 18-25 years; 2. Spherical equivalent refraction (for eyes without prior corneal refractive surgery): SE ≤ -0.50 D; 3. Corrected visual acuity ≥ 0.8; 4. Corneal curvature 40 D-46 D; 5. Good compliance and ability to cooperate with follow-up and examinations; 6. Willingness and ability to participate in this study and sign the informed consent form. Exclusion Criteria: 1. Strabismus, amblyopia, or other pathological ocular changes; 2. Systemic diseases affecting refractive development and allergic constitution, such as diabetes, metabolic syndrome, etc.; 3. Active eye disease or history of ophthalmic surgery; 4. Use of orthokeratology lenses or other myopia-control interventions within the past 6 months; 5. Use of BCAA-related supplements within the past 6 months, or serum BCAA levels outside the reference range; 6. Considered by the responsible physician to be unable to participate or unable to comply with the study requirements; 7. Abnormal liver or kidney function.

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Conditions

The condition(s) this trial relates to.

degenerative myopia myopia

As listed by the trial registrant

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

Myopia Myopia progressing

Contacts and locations

Locations

  • School of Public Health, Southeast University

    Nanjing, Jiangsu, 210096, China

More trials for these conditions

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