Silence in the OR: headphones may speed up knee surgery
NCT ID NCT07589582
First seen Jun 24, 2026 · Last updated Jul 08, 2026 · Updated 3 times
Summary
This pilot study tests whether active noise-cancelling headphones and a closed-loop communication system can reduce operating time and improve teamwork during anterior cruciate ligament (ACL) reconstruction. Fifty-four patients having ACL surgery will be randomly assigned to either the noise-cancelling system or standard operating room conditions. The main goal is to see if the intervention shortens surgery by up to 12 minutes and reduces mental workload for the surgical team.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Active noise-cancelling headphones and closed-loop communication system
- What this could lead to
- If it works, this could make ACL reconstruction surgeries faster and more consistent, potentially reducing patient time under anesthesia.
- What could go wrong
- This is a small pilot study with only 54 participants, so results may not apply to all hospitals or surgeries. The intervention is behavioral, not a drug, so the effect may be modest.
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
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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
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About 54 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 50 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Patients who have undergone anterior cruciate ligament (ACL) reconstruction * Willingness to participate and provide informed consent Exclusion Criteria: * Previous ACL reconstruction
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Fatih Sultan Mehmet Training and Research Hospital
Istanbul, 34752, Turkey (Türkiye)
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Other studies related to the condition(s) this trial covers.
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