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New 3D lung mapping could replace needle punctures for small nodule surgery

NCT ID NCT07675889

Disease control Sponsor: Qilu Hospital of Shandong University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 30, 2026 · Last updated Jul 01, 2026 · Updated 1 time

Summary

This trial tests a new method called Longitude-Latitude-Depth (LLD) localization, which uses 3D mapping from a CT scan to guide surgeons to small lung nodules without a needle puncture. It is being compared to the standard CT-guided needle localization in adults with single peripheral lung nodules 0.8-2 cm in size who are undergoing video-assisted surgery. The goal is to see if LLD is as accurate but causes fewer complications and speeds recovery.

What this could mean

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

Active substance
Longitude-Latitude-Depth (LLD) localization procedure
What this could lead to
If successful, this could offer a safer, less invasive way to locate small lung nodules during surgery, reducing pain and recovery time.
What could go wrong
This is a non-inferiority trial, so the new method may prove no better than the standard CT-guided approach. Results may not apply to larger or deeper nodules.

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 274 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Jul 2028

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 80 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: * Clinically diagnosed pulmonary nodule by non-contrast chest CT. * Age 18 to 80 years. * Expected survival time of at least 12 months. * Single peripheral pulmonary nodule with a diameter between 0.8 cm and 2 cm. * Chest CT characteristics meeting both of the following criteria: 1. Solid component proportion ≤50%. 2. Located subpleurally or in the outer one-third of the lung parenchyma. * Willing to undergo VATS-assisted sublobar resection. * No contraindications to pulmonary localization procedures or surgery. * Able to understand the study and willing to sign written informed consent. Exclusion Criteria: * Use of other localization methods or other surgical procedures. * Concurrent participation in another clinical study. * Pregnancy. * Unwillingness or inability to cooperate with participation in this study for any reason.

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Conditions

The condition(s) this trial relates to.

Multiple Pulmonary Nodules pulmonary coin lesion

As listed by the trial registrant

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

Peripheral pulmonary nodules Pulmonary nodule, solitary Pulmonary nodules

How to take part

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

  1. The places running it

    4 sites. 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

  • Linqing People's Hospital

    Linqing, Shandong, 252600, China

  • Ningxia Hui Autonomous Region People's Hospital

    Yinchuan, Ningxia, 750021, China

  • Qilu Hospital of Shandong University

    Jinan, Shandong, 250012, China

  • Xingyi People's Hospital

    Xingyi, Guizhou, 562400, China

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