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New keyhole surgery could spare chest tumor patients from Open-Heart-Like incisions

NCT ID NCT07199699

Symptom relief Sponsor: Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This trial tests a new surgical method for removing large chest tumors (teratomas) without opening the chest. Instead, surgeons use a small cut below the breastbone and a special retractor to lift the sternum, creating space to work. The goal is to see if this approach reduces pain, scarring, and recovery time compared to standard open-chest surgery. The study will enroll 40 people aged 10-70.

What this could mean

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

Active substance
subxiphoid minimally invasive resection with double sternal elevation
What this could lead to
If successful, this could offer a less painful, faster-recovering surgical option for people with large chest tumors, avoiding open-chest surgery.
What could go wrong
This is a small, early-stage trial (40 people) testing a new surgical technique. It may not work for all patients or could have unforeseen complications.

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 40 people

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

Expected to start

Nov 2025

An estimate. Start dates often move.

Expected to finish

Jun 2027

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

10 to 70 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: 10 - 70 years old, gender unrestricted; Preoperative enhanced CT or MRI confirms anterior mediastinal mass with the maximum diameter ≥ 7 cm; Intraoperative frozen section pathology confirms teratoma (mature or immature type); American Society of Anesthesiologists (ASA) classification grade I - III, with acceptable cardiopulmonary function for single-lung ventilation; No severe thoracic deformity or severe adhesion in the posterior mediastinum (assessed by preoperative imaging); Patients voluntarily sign the informed consent form, understanding the purpose and potential risks of the study. Exclusion Criteria: * Tumors invading major blood vessels (such as the innominate vein, superior vena cava, or aorta) or the pericardium require combined vascular/pericardial resection and reconstruction; Tumors crossing the midline and encasing the trachea or esophagus require multidisciplinary joint surgery; Previous mediastinal surgery or radiotherapy history, leading to local anatomical structure disorder; Coagulation dysfunction (INR \> 1.5 or platelet count \< 50×10⁹/L); Severe immune deficiency (such as HIV infection, long-term glucocorticoid treatment); Pregnant or lactating women; Concurrent other malignant tumors (metastatic lesions need to be excluded); Severe cardiopulmonary diseases (such as COPD GOLD Ⅲ-Ⅳ grade, NYHA cardiac function Ⅲ-Ⅳ grade); Mental illness or cognitive impairment that cannot cooperate with postoperative follow-up; Participated in other clinical trials that may interfere with the results of this study.

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Conditions

The condition(s) this trial relates to.

mediastinum teratoma neoplasm of mediastinum teratoma virus-associated trichodysplasia spinulosa

As listed by the trial registrant

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

Mediastinal ( chest) masses Teratomas VATS

How to take part

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

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. 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.

More trials for these conditions

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