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Can a breathing exercise boost Smokers' muscle strength?

NCT ID NCT07200895

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at how a single session of breathing muscle training affects vital signs and muscle strength in 34 young male smokers aged 18-25. Participants did breathing exercises at either 30% or 60% of their maximum effort. The goal was to see if the training could temporarily improve breathing and handgrip strength.

What this could mean

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

Active substance
Inspiratory muscle training device
What this could lead to
If successful, this could point toward a simple breathing exercise to improve respiratory and peripheral muscle strength in smokers.
What could go wrong
This is a small, single-session study in healthy young men, so results may not apply to older smokers or those with lung disease. Long-term benefits are unknown.

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

34 people

The number who actually took part.

Started

Oct 2025

Finished

Jan 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

18 to 25 years

Sex

Male participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Male, 18-25 years of age. * Current cigarette smoker for ≥1 year (regular use). * No known acute or chronic medical condition. Exclusion Criteria: * History of any musculoskeletal injury that may limit participation. * History of chest pain during physical activity. * Current use of any medication. * Symptoms of dizziness or balance loss. * Diagnosis of hemophilia or history of vascular/cardiovascular disease affecting circulation. * Presence of any acute illness at screening or on the test day. * Inability to complete the procedures due to physical limitation.

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Conditions

The condition(s) this trial relates to.

Smoking

As listed by the trial registrant

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

Contacts and locations

Locations

  • Biruni University

    Istanbul, Turkey (Türkiye)

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