Cystic Fibrosis (CF)NCT07895108
Assessment of Static and Dynamic Inspiratory Muscle Strength and Cardiorespiratory Fitness in Adults With Cystic Fibrosis
An observational study of Cystic Fibrosis (CF) and Cardiorespiratory Fitness, run by Hacettepe University at 1 site in Turkey (Türkiye).
Trial summary
This study aims to examine and compare static and dynamic inspiratory muscle strength and cardiorespiratory fitness in adults with cystic fibrosis and their healthy peers. Read more about this study
- Who is it for?
- Ages 18 to 65 yearsHealthy volunteers can take part
- Conditions the study is for
- Cystic Fibrosis (CF), Cardiorespiratory Fitness, Inspiratory Muscle Strength
- How many people
- 50 participants
- Where
- 1 siteTurkey (Türkiye)
- Study dates
- 8 Nov 2023to 8 Oct 2026
- Phase
- Observational
- Are there results?
- None posted in the registry
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 65 years
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Study population: The study will include individuals aged 18 and older who have been diagnosed with CF and are followed by Hacettepe University, as well as healthy individuals of similar age and sex.
Who may be able to join
- Have a diagnosis of CF
- Be 18 years of age or older
- Be clinically stable
Who cannot join
- Not providing consent
- Have had an exacerbation within the past 3 months
- Having an orthopedic and/or neurological condition that would prevent exercise testing
Trial locations and contacts
1 site in 1 country.
Turkey (Türkiye)1 site
Hacettepe University Faculty of Physical Therapy and Rehabilitation
Ankara
About this study
This study aims to examine and compare static and dynamic inspiratory muscle strength and cardiorespiratory fitness in adults with cystic fibrosis and their healthy peers.
- Medical subject headings
- Cystic Fibrosis
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| Cystic fibrosis | Not described | |
| Control | Not described |
What is being measured
The primary outcome is the main question the study is designed to answer.
static inspiratory strength
maximal inspiratory pressure
Measured: This measure takes 5 minutes.
dynamic inspiratory muscle strength
S-index
Measured: This measure takes 10 minutes.
cardiorespiratory fitness
cardiopulmonary exercise test
Measured: This measure takes 20 minutes.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted26 Oct 2026
- Study start8 Nov 2023
- Primary completion8 Nov 2025
- Study completion8 Oct 2026
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Cystic Fibrosis (CF)Studies 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
- Observational
- Observational model
- Case-control
- Time perspective
- Cross-sectional
- Enrolment
- 50 participants (actual)
Sponsor and investigators
- Lead sponsor
- Hacettepe University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Aydan Aslı Aksel Uylar, Hacettepe University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07895108
- Sponsor's protocol ID
- SBA 23/190
- Status last verified
- Oct 2026
- First submitted
- 17 Oct 2026
- Last updated
- 27 Oct 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Undecided: I have concerns about the retention of personal data, but the authors may consider it if there is a credible request.
Study at a glance
From the registry record, last updated by the sponsor on 27 Oct 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Assessment of Static and Dynamic Inspiratory Muscle Strength and Cardiorespiratory Fitness in Adults With Cystic Fibrosis
- ClinicalTrials.gov ID
- NCT07895108
- Acronym / sponsor ID
- SBA 23/190
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 50 participants (actual)
- Lead sponsor
- Hacettepe UniversityUniversity, hospital or other
- Study start
- 8 Nov 2023 (actual)
- Primary completion
- 8 Nov 2025 (actual)
- Study completion
- 8 Oct 2026 (actual)
- First posted
- 26 Oct 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 examine and compare static and dynamic inspiratory muscle strength and cardiorespiratory fitness in adults with cystic fibrosis and their healthy peers.
Study design
- Observational model
- Case-control
- Time perspective
- Cross-sectional
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Cystic fibrosis | – | – |
| Control | – | – |
Who may qualify
- Ages
- 18 to 65 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
- Study population
- The study will include individuals aged 18 and older who have been diagnosed with CF and are followed by Hacettepe University, as well as healthy individuals of similar age and sex.
Key inclusion criteria (3 listed)
- Have a diagnosis of CF
- Be 18 years of age or older
- Be clinically stable
Key exclusion criteria (3 listed)
- Not providing consent
- Have had an exacerbation within the past 3 months
- Having an orthopedic and/or neurological condition that would prevent exercise testing
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
static inspiratory strength
Time frame: This measure takes 5 minutes.
maximal inspiratory pressure
dynamic inspiratory muscle strength
Time frame: This measure takes 10 minutes.
S-index
cardiorespiratory fitness
Time frame: This measure takes 20 minutes.
cardiopulmonary exercise test
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 27 Oct 2026.
- Individual participant dataSharing planned: Undecided. I have concerns about the retention of personal data, but the authors may consider it if there is a credible request.
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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. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Cystic Fibrosis (CF) and Cardiorespiratory Fitness, 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 3 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: finished, as of the sponsor's last update on 27 Oct 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?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
static inspiratory strength (time frame: This measure takes 5 minutes.). The study lists 3 primary outcomes in all. 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 27 Oct 2026.