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Sleep apnea amino acid study pulled before it started

NCT ID NCT01115686

Symptom relief Sponsor: University Hospital, Limoges 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
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 Results may not be published yet.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 This study
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This status has not been confirmed recently, so it may be out of date.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 aimed to see if taking branched-chain amino acids (BCAAs) could improve oxygen levels during sleep in people with sleep apnea. The researchers planned to include adults with confirmed sleep apnea but exclude those with severe cases. However, the study was withdrawn before any participants were enrolled, so no results are available.

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 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Start date

Jun 2010

Expected to finish

Jun 2012

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: * Adult with healthy mind, who has attained his majority, and affiliated to Social Security. * Patient suffering from SAS confirmed by polysomnography (PSG). * Written informed consent form signed. Exclusion Criteria: * Patients receiving neuroleptics or benzodiazepines and affiliated drugs will not be included in the study. * Patients suffering for severe SAS : those who have a number of IAH higher than 30 in a validated sleep hour, will be excluded for security reasons. * Pregnant women, nursing mothers or women susceptible to procreate without efficient contraception. * Patient presenting hypersensitivity to understudying products and their excipients.

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Conditions

The condition(s) this trial relates to.

sleep apnea syndrome

As listed by the trial registrant

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

Sleep apnea

More trials for these conditions

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