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New device aims to stop foggy lenses during brain surgery

NCT ID NCT07316101

Symptom relief Sponsor: West China Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jul 01, 2026 · Updated 3 times

Summary

This trial tests a new anti-fog suction device that keeps the camera lens clear during nose-to-pituitary tumor surgery. Twenty adults with pituitary or craniopharyngioma tumors will either get the device or the usual water-squirt method. The goal is to see if the device reduces fog-related pauses and lowers the risk of brain-fluid infection.

What this could mean

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

Active substance
Anti-fog suction device (a 4 Fr multi-channel silicone catheter)
What this could lead to
If it works, this device could make pituitary surgery smoother by reducing fog-related delays and possibly lowering the chance of infection.
What could go wrong
This is a very small early trial with only 20 participants, so results may not apply widely. The device could cause nosebleeds, blockages, or other issues.

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 20 people

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

Started

Mar 2026

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.

Ages

18 to 75 years

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: * Age 18-75 years * Pre-operative MRI/CT diagnosis of pituitary adenoma or craniopharyngioma ≤ \*3 cm without extensive skull-base invasion * Scheduled for elective endoscopic endonasal transsphenoidal resection * ASA physical status I-III * Able and willing to give written informed consent and comply with follow-up Exclusion Criteria: * Severe nasal anatomical deformity, polyps, or prior nasal surgery preventing device placement * Active nasal or systemic infection (WBC \> 10 × 10⁹/L, CRP ≥ 10 mg/L) * Known intracranial infection or ongoing CSF leak * Coagulopathy (PT \> 14 s or APTT \> 45 s) or anticoagulation that cannot be stopped ≥ 7 days * Allergy to silicone or medical-grade plastics * Planned combined transcranial or transorbital approach * Pregnancy or breastfeeding * Psychiatric or cognitive disorder precluding informed consent or follow-up

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Conditions

The condition(s) this trial relates to.

craniopharyngioma pituitary gland adenoma Pituitary Neoplasms

As listed by the trial registrant

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

Craniopharyngioma Pituitary adenoma

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

  • West China Hospital of Sichuan University

    RECRUITING

    Chengdu, Sichuan, China

More trials for these conditions

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