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30 years of cochlear implant data could reshape hearing care in china

NCT ID NCT07821281

Knowledge-focused Sponsor: Chinese PLA General Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 15, 2026 · Last updated Sep 18, 2026 · Updated 3 times

Summary

Researchers are analyzing records from about 180,000 people who received cochlear implants in China between 1995 and 2026. The study aims to map how severe hearing loss and implant use have changed over time, how age and gender patterns look, and how patients move between provinces for surgery. It also examines how price cuts and insurance policies have affected access, and estimates how many more people might need implants under different coverage scenarios.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If the analysis succeeds, it could give health officials a clearer picture of who gets cochlear implants in China and where services fall short, which may help shape hearing care policy and funding.
What could go wrong
This study looks back at existing records rather than testing a treatment, so it cannot prove that any policy caused a change in implant use. Missing or inconsistent records across 30 years and many provinces could limit what the numbers can show.

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.

Participants

180,000 people

The number who actually took part.

Started

Jan 1995

Finished

Jun 2026

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.

Who is studied

Patients with severe/very severe sensorineural hearing loss.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Patients who received cochlear implants in Chinese medical institutions between 1995 and 2026; * Patients with preoperative diagnosis of severe/very severe sensorineural deafness; * Implantation age ≥ 6 months; * Records containing at least gender, date of birth, date of surgery, domicile, surgical area, type of implant surgery (first unilateral implant/first bilateral implant/first contralateral implant/re-implant) and implant model information. Exclusion Criteria: * Lack of key information; * Other devices such as auditory brainstem implants (ABI) or middle ear implants.

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Conditions

The condition(s) this trial relates to.

hearing loss disorder sensorineural hearing loss disorder

As listed by the trial registrant

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

Cochlear implant Epidemiology Health economics evaluation Hearing loss Severe to very severe sensorineural hearing loss

More trials for these conditions

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