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Phone app could boost lung recovery after surgery

NCT ID NCT07455552

Symptom relief Sponsor: Pusan National University Hospital 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 pilot study tested whether a smartphone-based program could help high-risk patients recover their breathing after lung surgery. Fifty-eight adults who had lung resection and were either older or had reduced lung function were split into two groups: one used a smartphone app for guided breathing exercises with remote support, and the other did the same exercises at home without supervision. The goal was to see if the app-based approach was feasible and improved walking ability and lung function over six weeks.

What this could mean

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

Active substance
smartphone-based telerehabilitation for inspiratory muscle training
What this could lead to
If it works, this could offer a convenient, remote way to improve breathing and recovery after lung surgery, especially for older or higher-risk patients.
What could go wrong
This is a small pilot study with only 58 participants, so results may not apply to everyone. The intervention is behavioral and relies on patient adherence, which can vary.

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

58 people

The number who actually took part.

Started

Aug 2024

Finished

Feb 2026

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

19 years and older

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: 1. Adults aged 19 years or older 2. Patients who underwent lung resection 3. Patients who met at least one of the following high-risk criteria: * preoperative FEV1 or DLCO ≤70% predicted * age ≥65 years 4. Patients who understood the study procedures and provided written informed consent Exclusion Criteria: 1. Pregnant women or other vulnerable populations considered inappropriate for study participation 2. Patients with limited mobility due to other conditions that could interfere with the exercise stress test or 6-minute walk test (e.g., osteoarthritis, spinal disorders, or cerebral infarction) 3. Patients with an implanted pacemaker or defibrillator that precluded bioelectrical impedance analysis 4. Patients participating in other clinical studies that could affect exercise capacity 5. Patients unable to independently use the messenger application (KakaoTalk) after standardized instruction 6. Patients judged by the investigator to be unsuitable for participation

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Conditions

The condition(s) this trial relates to.

disease lung cancer lung disorder lung neoplasm

As listed by the trial registrant

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

Lung cancer (diagnosis) Pulmonary disease

Contacts and locations

Locations

  • PusanNUH

    Pusan, South Korea

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