VATSNCT07646288
Acute Effects of Visual Feedback-Assisted Inspiratory Muscle Training After Lobectomy
A study testing Conventional Inspiratory Muscle Training and Visual Feedback-Assisted Inspiratory Muscle Training in people with VATS and Respiratory Muscles, run by Hacettepe University at 1 site in Turkey (Türkiye).
Trial summary
This study aims to evaluate the acute effects of inspiratory muscle training performed with and without a mobile application providing visual feedback on exercise motivation, patient adherence, dyspnea perception, usability, and patient satisfaction in lung cancer patients undergoing lobectomy via video-assisted… Read more about this study
- Who is it for?
- Ages 18 to 75 years
- Conditions the study is for
- VATS, Respiratory Muscles, Exercise Training
- What is being tested?
- Conventional Inspiratory Muscle Training and Visual Feedback-Assisted Inspiratory Muscle Training
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 40 participants
- Where
- 1 siteTurkey (Türkiye)
- Study dates
- 1 Dec 2025to 1 Mar 2027
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 75 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Volunteering to participate in the study,
- Being clinically stable,
- Being a lung cancer patient scheduled for lobectomy,
- Being between 18 and 75 years of age,
- Being able to cooperate with the tests to be performed.
Who cannot join
- Presence of any orthopedic or neurological problem that prevents walking,
- History of any surgery involving the thoracic wall,
- Having diseases that may affect respiratory parameters, such as severe heart failure or severe chronic obstructive pulmonary disease (COPD).
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
Turkey (Türkiye)1 site, 1 recruiting
- Recruiting
Hacettepe University
Ankara, Altındağ, 06230
About this study
Official title: Evaluation of the Acute Effects of Respiratory Muscle Strength Training With Visual Feedback in Lung Cancer Patients Undergoing Lobectomy
This study aims to evaluate the acute effects of inspiratory muscle training performed with and without a mobile application providing visual feedback on exercise motivation, patient adherence, dyspnea perception, usability, and patient satisfaction in lung cancer patients undergoing lobectomy via video-assisted thoracic surgery. Participants will perform conventional inspiratory muscle training without visual feedback in the morning on postoperative day 1 after transfer to the ward. After at least two hours of rest, the same exercise protocol will be repeated with a smart adaptor connected to a mobile application to provide visual feedback. Inspiratory muscle training will be performed using a threshold-loading device at 40% of maximal inspiratory pressure, with three sets of ten breaths. Outcomes will be assessed before and/or after each session as appropriate.
Read the detailed description
Lung cancer is one of the leading causes of cancer-related mortality worldwide. In patients with early-stage non-small cell lung cancer, surgical resection remains the main curative treatment option. Lobectomy, particularly through video-assisted thoracic surgery, is commonly performed as an anatomical resection method. However, despite the advantages of minimally invasive thoracic surgery, patients may experience postoperative pulmonary complications, impaired respiratory muscle function, pain-related breathing limitations, and reduced exercise capacity after lobectomy.
Inspiratory muscle training is commonly used as part of postoperative physiotherapy and pulmonary rehabilitation after thoracic surgery. Because inspiratory muscle training requires active patient participation and effort, exercise motivation and adherence are important determinants of effective implementation. Recent technological developments have enabled the use of mobile application-supported systems and smart adaptors that provide visual feedback during inspiratory muscle training. Visual feedback may improve patient motivation, participation, and usability of the training. However, the acute effects of mobile application-supported inspiratory muscle training with visual feedback have not been adequately investigated in patients undergoing lobectomy after lung cancer surgery.
This study is designed to evaluate the acute effects of conventional inspiratory muscle training and visual feedback-assisted inspiratory muscle training on exercise motivation, dyspnea perception, usability, and patient satisfaction in lung cancer patients undergoing lobectomy via video-assisted thoracic surgery. The study will include clinically stable volunteers aged 18-75 years who are scheduled for lobectomy due to lung cancer and who are able to cooperate with the planned assessments. A total of 40 participants is planned.
Preoperative assessments will be performed on the day before surgery. Demographic and clinical characteristics, including age, height, body weight, smoking history, previous surgeries, and pulmonary function test results, will be recorded. Respiratory muscle strength will be assessed by measuring maximal inspiratory pressure and maximal expiratory pressure using a mouth pressure device.
The intervention will be performed on postoperative day 1 after the patient has been transferred to the ward. First, participants will perform conventional inspiratory muscle training without mobile application support or visual feedback in the morning. After at least two hours of rest, the same inspiratory muscle training protocol will be repeated with a smart adaptor connected to a mobile application, providing visual feedback during the exercise. Inspiratory muscle training will be performed using a threshold-loading device at 40% of maximal inspiratory pressure, with three sets of ten breaths during each session.
After each training session, exercise motivation, dyspnea perception, and patient satisfaction will be evaluated. Exercise motivation will be assessed using the Exercise Motivation Attitude Scale. Dyspnea perception will be assessed using the Modified Borg Scale before and after each intervention. Patient satisfaction, perceived difficulty of training, willingness to continue training, and perceived benefit will be evaluated using 0-10 rating scales. For the mobile application-assisted session, usability will also be assessed using the System Usability Scale. In addition, mobile application-derived data, including the number of successful breaths, total training duration, and total number of breaths, will be recorded.
The primary aim of the study is to determine whether visual feedback-assisted inspiratory muscle training provides more favorable acute effects on exercise motivation and patient adherence compared with conventional inspiratory muscle training. Secondary aims include evaluating dyspnea perception, usability of the mobile application-supported system, patient satisfaction, and objective training data obtained from the smart adaptor. The findings may contribute to the development of technology-supported pulmonary rehabilitation strategies after lobectomy and may guide the integration of visual feedback systems into routine postoperative respiratory physiotherapy.
- Conditions
- VATS, Respiratory Muscles, Exercise Training, Lung Cancer (NSCLC), Lobectomy
- Being tested
- Conventional Inspiratory Muscle Training, Visual Feedback-Assisted Inspiratory Muscle Training
- Medical subject headings
- Lung Neoplasms, Carcinoma, Non-Small-Cell Lung
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Conventional Inspiratory Muscle TrainingOther
Conventional inspiratory muscle training will be performed without visual feedback or mobile application support. Training will be delivered using a threshold-loading inspiratory muscle training device at 40% of maximal inspiratory pressure, with three sets of ten breaths.
Visual Feedback-Assisted Inspiratory Muscle TrainingOther
Visual feedback-assisted inspiratory muscle training will be performed using a threshold-loading inspiratory muscle training device connected to a smart adaptor and mobile application. The mobile application will provide visual feedback during training. Training will be performed at 40% of maximal inspiratory pressure, with three sets of ten breaths. Application-derived data, including the number of successful breaths, total training duration, and total number of breaths, will be recorded.
| Study group | Role | What they receive |
|---|---|---|
| Conventional IMT Followed by Visual Feedback-Assisted IMT | Experimental | Participants randomized to this arm will first receive conventional inspiratory muscle training without visual feedback. After a rest period of at least two hours, they will receive visual feedback-assisted inspiratory muscle training using a smart adaptor connected to a mobile application. Both training sessions will be performed using a threshold-loading inspiratory muscle training device at 40% of maximal inspiratory pressure, with three sets of ten breaths. Receives: Other: Conventional Inspiratory Muscle Training; Other: Visual Feedback-Assisted Inspiratory Muscle Training |
| Visual Feedback-Assisted IMT Followed by Conventional IMT | Experimental | Participants randomized to this arm will first receive visual feedback-assisted inspiratory muscle training using a smart adaptor connected to a mobile application. After a rest period of at least two hours, they will receive conventional inspiratory muscle training without visual feedback. Both training sessions will be performed using a threshold-loading inspiratory muscle training device at 40% of maximal inspiratory pressure, with three sets of ten breaths. Receives: Other: Conventional Inspiratory Muscle Training; Other: Visual Feedback-Assisted Inspiratory Muscle Training |
What is being measured
The primary outcome is the main question the study is designed to answer.
Exercise Motivation
Exercise motivation will be assessed using the Exercise Motivation Scale after each inspiratory muscle training condition. The scale includes subdomains related to negative attitudes and thoughts, positive perspective and health, and physical appearance and health. Higher scores indicate higher exercise motivation. Scores obtained after conventional inspiratory muscle training and visual feedback-assisted inspiratory muscle training will be compared.
Measured: Immediately after each intervention on postoperative day 1-2.
Secondary outcomes (7)
Dyspnea Perception
Dyspnea perception will be assessed using the Modified Borg Scale before and after each inspiratory muscle training condition. The scale is used to evaluate perceived breathlessness, with higher scores indicating greater dyspnea severity. This scale ranges from 0 to 10, where 0 indicates no dyspnea and 10 indicates maximal or very severe dyspnea. Changes in dyspnea perception will be compared between conventional inspiratory muscle training and visual feedback-assisted inspiratory muscle training.
Measured: Before and immediately after each intervention on postoperative day 1-2.
System Usability
The usability of the conventional inspiratory muscle training and visual feedback-assisted inspiratory muscle training system will be assessed using the System Usability Scale after the inspiratory muscle training session. The System Usability Scale is a 10-item questionnaire scored from 0 to 100, where 0 indicates the lowest perceived usability and 100 indicates the highest perceived usability. Higher scores indicate a better outcome, reflecting greater perceived usability of the system.
Measured: Immediately after each intervention on postoperative day 1-2.
Respiratory Muscle Strength
Respiratory muscle strength will be assessed preoperatively by measuring maximal inspiratory pressure and maximal expiratory pressure using a mouth pressure device. These measurements will be used to determine the training intensity and to characterize baseline respiratory muscle function.
Measured: Preoperative day, one day before surgery.
Patient Satisfaction
Patient satisfaction with each inspiratory muscle training condition will be evaluated using 0-10 rating scales. Participants will be asked to rate perceived training difficulty, willingness to continue training, and perceived benefit from the training. Scores will be compared between conventional inspiratory muscle training and visual feedback-assisted inspiratory muscle training.
Measured: Immediately after each intervention on postoperative day 1-2.
The number of successful breaths Recorded by the Mobile Application
For the visual feedback-assisted inspiratory muscle training session, application-derived training data will be recorded, as the number of successful breaths.
Measured: During the visual feedback-assisted intervention on postoperative day 1-2.
Total training duration Recorded by the Mobile Application
For the visual feedback-assisted inspiratory muscle training session, application-derived training data will be recorded, as the total training duration.
Measured: During the visual feedback-assisted intervention on postoperative day 1-2.
Total number of breaths Recorded by the Mobile Application
For the visual feedback-assisted inspiratory muscle training session, application-derived training data will be recorded, as total number of breaths.
Measured: During the visual feedback-assisted intervention on postoperative day 1-2.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted12 Jun 2026
- Study start1 Dec 2025
- Primary completion1 Dec 2026 (estimated)
- Study completion1 Mar 2027 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for VATSStudies of the same condition, open and under way.
- More trials run by Hacettepe UniversityThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Crossover
- Model description
- Participants will receive both conventional inspiratory muscle training and visual feedback-assisted inspiratory muscle training in a randomized crossover design. The order of the two interventions will be randomized, with at least two hours of rest between sessions.
- Masking
- None (open label)
- Enrolment
- 40 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Hacettepe University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Funda Alma, Hacettepe University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07646288
- Sponsor's protocol ID
- E-81471704-050-00004500476
- Other IDs
- THD-2025-22286
- Status last verified
- Jun 2026
- First submitted
- 9 Jun 2026
- Last updated
- 15 Jun 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Undecided
Study at a glance
From the registry record, last updated by the sponsor on 15 Jun 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Evaluation of the Acute Effects of Respiratory Muscle Strength Training With Visual Feedback in Lung Cancer Patients Undergoing Lobectomy
- ClinicalTrials.gov ID
- NCT07646288
- Acronym / sponsor ID
- E-81471704-050-00004500476
- Conditions
- VATS, Respiratory Muscles, Exercise Training, Lung Cancer (NSCLC), Lobectomy
- Study type
- Interventional
- Recruitment status
- Recruiting
- Enrolment
- 40 participants (estimated)
- Lead sponsor
- Hacettepe UniversityUniversity, hospital or other
- Study start
- 1 Dec 2025 (actual)
- Primary completion
- 1 Dec 2026 (estimated)
- Study completion
- 1 Mar 2027 (estimated)
- First posted
- 12 Jun 2026 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study aims to evaluate the acute effects of inspiratory muscle training performed with and without a mobile application providing visual feedback on exercise motivation, patient adherence, dyspnea perception, usability, and patient satisfaction in lung cancer patients undergoing lobectomy via video-assisted thoracic surgery. Participants will perform conventional inspiratory muscle training without visual feedback in the morning on postoperative day 1 after transfer to the ward. After at least two hours of rest, the same exercise protocol will be repeated with a smart adaptor connected to a mobile application to provide visual feedback. Inspiratory muscle training will be performed using a threshold-loading device at 40% of maximal inspiratory pressure, with three sets of ten breaths. Outcomes will be assessed before and/or after each session as appropriate.
Detailed description
Lung cancer is one of the leading causes of cancer-related mortality worldwide. In patients with early-stage non-small cell lung cancer, surgical resection remains the main curative treatment option. Lobectomy, particularly through video-assisted thoracic surgery, is commonly performed as an anatomical resection method. However, despite the advantages of minimally invasive thoracic surgery, patients may experience postoperative pulmonary complications, impaired respiratory muscle function, pain-related breathing limitations, and reduced exercise capacity after lobectomy.
Inspiratory muscle training is commonly used as part of postoperative physiotherapy and pulmonary rehabilitation after thoracic surgery. Because inspiratory muscle training requires active patient participation and effort, exercise motivation and adherence are important determinants of effective implementation. Recent technological developments have enabled the use of mobile application-supported systems and smart adaptors that provide visual feedback during inspiratory muscle training. Visual feedback may improve patient motivation, participation, and usability of the training. However, the acute effects of mobile application-supported inspiratory muscle training with visual feedback have not been adequately investigated in patients undergoing lobectomy after lung cancer surgery.
This study is designed to evaluate the acute effects of conventional inspiratory muscle training and visual feedback-assisted inspiratory muscle training on exercise motivation, dyspnea perception, usability, and patient satisfaction in lung cancer patients undergoing lobectomy via video-assisted thoracic surgery. The study will include clinically stable volunteers aged 18-75 years who are scheduled for lobectomy due to lung cancer and who are able to cooperate with the planned assessments. A total of 40 participants is planned.
Preoperative assessments will be performed on the day before surgery. Demographic and clinical characteristics, including age, height, body weight, smoking history, previous surgeries, and pulmonary function test results, will be recorded. Respiratory muscle strength will be assessed by measuring maximal inspiratory pressure and maximal expiratory pressure using a mouth pressure device.
The intervention will be performed on postoperative day 1 after the patient has been transferred to the ward. First, participants will perform conventional inspiratory muscle training without mobile application support or visual feedback in the morning. After at least two hours of rest, the same inspiratory muscle training protocol will be repeated with a smart adaptor connected to a mobile application, providing visual feedback during the exercise. Inspiratory muscle training will be performed using a threshold-loading device at 40% of maximal inspiratory pressure, with three sets of ten breaths during each session.
After each training session, exercise motivation, dyspnea perception, and patient satisfaction will be evaluated. Exercise motivation will be assessed using the Exercise Motivation Attitude Scale. Dyspnea perception will be assessed using the Modified Borg Scale before and after each intervention. Patient satisfaction, perceived difficulty of training, willingness to continue training, and perceived benefit will be evaluated using 0-10 rating scales. For the mobile application-assisted session, usability will also be assessed using the System Usability Scale. In addition, mobile application-derived data, including the number of successful breaths, total training duration, and total number of breaths, will be recorded.
The primary aim of the study is to determine whether visual feedback-assisted inspiratory muscle training provides more favorable acute effects on exercise motivation and patient adherence compared with conventional inspiratory muscle training. Secondary aims include evaluating dyspnea perception, usability of the mobile application-supported system, patient satisfaction, and objective training data obtained from the smart adaptor. The findings may contribute to the development of technology-supported pulmonary rehabilitation strategies after lobectomy and may guide the integration of visual feedback systems into routine postoperative respiratory physiotherapy.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- None (open label)
- Number of arms
- 2
- Model description
- Participants will receive both conventional inspiratory muscle training and visual feedback-assisted inspiratory muscle training in a randomized crossover design. The order of the two interventions will be randomized, with at least two hours of rest between sessions.
| Arm | Type | Receives |
|---|---|---|
| Conventional IMT Followed by Visual Feedback-Assisted IMT | Experimental | Other: Conventional Inspiratory Muscle Training, Other: Visual Feedback-Assisted Inspiratory Muscle TrainingParticipants randomized to this arm will first receive conventional inspiratory muscle training without visual feedback. After a rest period of at least two hours, they will receive visual feedback-assisted inspiratory muscle training using a smart adaptor connected to a mobile application. Both training sessions will be performed using a threshold-loading inspiratory muscle training device at 40% of maximal inspiratory pressure, with three sets of ten breaths. |
| Visual Feedback-Assisted IMT Followed by Conventional IMT | Experimental | Other: Conventional Inspiratory Muscle Training, Other: Visual Feedback-Assisted Inspiratory Muscle TrainingParticipants randomized to this arm will first receive visual feedback-assisted inspiratory muscle training using a smart adaptor connected to a mobile application. After a rest period of at least two hours, they will receive conventional inspiratory muscle training without visual feedback. Both training sessions will be performed using a threshold-loading inspiratory muscle training device at 40% of maximal inspiratory pressure, with three sets of ten breaths. |
Who may qualify
- Ages
- 18 to 75 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (5 listed)
- Volunteering to participate in the study,
- Being clinically stable,
- Being a lung cancer patient scheduled for lobectomy,
- Being between 18 and 75 years of age,
- Being able to cooperate with the tests to be performed.
Key exclusion criteria (3 listed)
- Presence of any orthopedic or neurological problem that prevents walking,
- History of any surgery involving the thoracic wall,
- Having diseases that may affect respiratory parameters, such as severe heart failure or severe chronic obstructive pulmonary disease (COPD).
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Conventional Inspiratory Muscle TrainingConventional inspiratory muscle training will be performed without visual feedback or mobile application support. Training will be delivered using a threshold-loading inspiratory muscle training device at 40% of maximal inspiratory pressure, with three sets of ten breaths. | Other | Conventional IMT Followed by Visual Feedback-Assisted IMT, Visual Feedback-Assisted IMT Followed by Conventional IMT |
| Visual Feedback-Assisted Inspiratory Muscle TrainingVisual feedback-assisted inspiratory muscle training will be performed using a threshold-loading inspiratory muscle training device connected to a smart adaptor and mobile application. The mobile application will provide visual feedback during training. Training will be performed at 40% of maximal inspiratory pressure, with three sets of ten breaths. Application-derived data, including the number of successful breaths, total training duration, and total number of breaths, will be recorded. | Other | Conventional IMT Followed by Visual Feedback-Assisted IMT, Visual Feedback-Assisted IMT Followed by Conventional IMT |
Primary outcome
Exercise Motivation
Time frame: Immediately after each intervention on postoperative day 1-2.
Exercise motivation will be assessed using the Exercise Motivation Scale after each inspiratory muscle training condition. The scale includes subdomains related to negative attitudes and thoughts, positive perspective and health, and physical appearance and health. Higher scores indicate higher exercise motivation. Scores obtained after conventional inspiratory muscle training and visual feedback-assisted inspiratory muscle training will be compared.
7 secondary outcomes
Dyspnea Perception
Time frame: Before and immediately after each intervention on postoperative day 1-2.
System Usability
Time frame: Immediately after each intervention on postoperative day 1-2.
Respiratory Muscle Strength
Time frame: Preoperative day, one day before surgery.
Patient Satisfaction
Time frame: Immediately after each intervention on postoperative day 1-2.
The number of successful breaths Recorded by the Mobile Application
Time frame: During the visual feedback-assisted intervention on postoperative day 1-2.
Total training duration Recorded by the Mobile Application
Time frame: During the visual feedback-assisted intervention on postoperative day 1-2.
Total number of breaths Recorded by the Mobile Application
Time frame: During the visual feedback-assisted intervention on postoperative day 1-2.
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 15 Jun 2026.
- Individual participant dataSharing planned: Undecided
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Conventional Inspiratory Muscle Training and Visual Feedback-Assisted Inspiratory Muscle Training in people with VATS and Respiratory Muscles, run by Hacettepe University at 1 site in Turkey (Türkiye).
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 15 Jun 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Turkey (Türkiye). Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Funda Alma, MsC (+905079394348, funda.sirakaya@hacettepe.edu.tr), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Exercise Motivation (time frame: Immediately after each intervention on postoperative day 1-2.). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 15 Jun 2026; AzTrials last refreshed its copy on 7 Nov 2026.