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Thousands of surgery patients studied to uncover hidden voice box injuries

NCT ID NCT07359586

Knowledge-focused Sponsor: Zhejiang University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 looks back at 1,200 people who had a breathing tube placed during surgery to find out how often voice box injury happens and what makes it more likely. Researchers will check medical records and call patients to see if they had hoarseness or other throat problems after surgery. The goal is to help doctors reduce these injuries in the future.

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

About 1,200 people

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

Started

Nov 2025

Expected to finish

Dec 2026

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.

Who is studied

Patients who underwent endotracheal intubation under general anesthesia at the First Affiliated Hospital of Zhejiang University between October 1, 2015, and September 30, 2025

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 underwent general anesthesia with tracheal intubation at the First Affiliated Hospital of Zhejiang University School of Medicine between October 2015 and September 2025 * Patients who required otolaryngological consultation due to laryngopharyngeal complaints (including hoarseness, sore throat, cough, choking on drinking water, etc.) postoperatively * The surgical type was non-otolaryngological surgery Exclusion Criteria: * Patients with a history of laryngopharyngeal lesions (e.g., granuloma, polyp, tumour, vocal cord paralysis * Patients with a preexisting tracheotomy * Patients requiring postoperative tracheotomy * Patients with incomplete medical records * Patients who underwent multiple surgeries but for whom the specific surgical episode responsible for the laryngopharyngeal complaints could not be identified

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Conditions

The condition(s) this trial relates to.

cholangiocarcinoma exocrine pancreatic carcinoma gastric cancer gastric neoplasm hepatocellular carcinoma Hoarseness lung carcinoma lung neoplasm pancreatic adenocarcinoma pancreatic neoplasm thyroid gland carcinoma Thyroid Neoplasms

As listed by the trial registrant

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

Cholangiocarcinoma Gastric cancer Hepatic carcinoma Pancreatic carcinoma Pulmonary carcinoma Thyroid carcinoma

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • The First Affiliated Hospital, Zhejiang University School of Medicine

    RECRUITING

    Hangzhou, Zhejiang, 310000, China

  • he First Affiliated Hospital, Zhejiang University School of Medicine

    COMPLETED

    Hangzhou, Zhejiang, 310000, China

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