Gentler suction may speed chest tube removal after lung surgery
NCT ID NCT07527702
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether using a lower suction setting on a chest drainage device after lung cancer surgery can help the chest tube come out sooner. About 160 adults having part of a lung removed will be randomly assigned to either the standard suction or a gentler one. The goal is to see if the gentler setting reduces time with the tube and hospital stay without causing more problems.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 160 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2025
- Expected to finish
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Jun 2026
An estimate. End dates often move.
- Lead sponsor
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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
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19 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Adults ≥19 years of age. * Undergoing anatomical lung resection (segmentectomy or lobectomy) for confirmed or suspected primary lung cancer at a tertiary center. * Digital continuous suction device (Thopaz) used as the sole chest drainage system immediately after surgery. * Able to provide written informed consent on the day before surgery. * Randomization criterion (in-hospital): On postoperative day 1 (approximately 7-8 AM), a measurable air leak persists and the chest tube is not removed per routine care. Participants with no clinically meaningful air leak on POD1 (e.g., 0-10 mL/min per institutional criteria) will be considered screen failures and will not be assigned to an arm. Exclusion Criteria: * Placement of two or more drains (e.g., additional chest tube or JP drain) during the index surgery. * Intraoperative or immediate postoperative serious complication requiring ICU care. * Change from the digital suction system to another drainage system prior to randomization or outcome assessment. * Any condition that, in the opinion of the investigator, makes participation inappropriate (e.g., inability to comply with study procedures or safety concerns).
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Seoul National University Hospital
RECRUITINGSeoul, South Korea