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Cystic FibrosisNCT05140967

Effects of Training Intensity on Physical Fitness and Body Composition in Cystic Fibrosis

A study testing High Intensity Interval Training (HIIT) and Moderate Continuous Intensity Training (MICT) in people with Cystic Fibrosis, run by University of Kiel at 2 sites in Germany.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Aim of the randomized controlled trial is to investigate the effects of endurance training with different intensities on physical performance, body composition and appetite regulation in people with cystic fibrosis. Read more about this study

Who is it for?
Ages 18 to 70 years
Conditions the study is for
Cystic Fibrosis
What is being tested?
High Intensity Interval Training (HIIT) and Moderate Continuous Intensity Training (MICT)
Could I receive a placebo?
No, everyone receives an active treatment
How many people
70 participants
Where
2 sitesGermany
Study dates
15 Oct 2021to 31 Dec 2024
Phase
Interventional
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 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • confirmed diagnosis of cystic fibrosis by at least 2 sweat tests and / or by the presence of two CF mutations,
  • willingness to participate in and to comply with the research project procedure,
  • written informed consent of patients,
  • age ≥ 18 years,
  • FEV1 of pred. ≥ 40%,
  • Stable condition (as indicated by absence of one or more signs: new or increased haemoptysis, increased malaise, fatigue or lethargy, temperature over 38°C, weight loss, sinus pain and a decrease in pulmonary function by 10% or more)

Who cannot join

  • Severe pulmonary exacerbation,
  • cor pulmonale,
  • musculoskeletal discomfort that makes a regular exercise training impossible,
  • untreated CF-related diabetes

Trial locations and contacts

2 sites in 1 country.

Germany2 sites
  • Fachklink Satteldüne der DRV Nord

    Nebel / Amrum, Schleswig-Holstein, 25946

  • Strandklinik St. Peter-Ording

    Sankt Peter-Ording, Schleswig-Holstein, 25826

Other trials in Germany

About this study

Official title: Effects of Endurance Training Intensity on Exercise Capacity, Body Composition, and Appetite Regulation in Cystic Fibrosis

Aim of the randomized controlled trial is to investigate the effects of endurance training with different intensities on physical performance, body composition and appetite regulation in people with cystic fibrosis.

Conditions
Cystic Fibrosis
Being tested
High Intensity Interval Training (HIIT), Moderate Continuous Intensity Training (MICT)
Keywords
Exercise training, High Intensity Interval Training (HIIT), Moderate Intensity Continuous Training (MICT), Exercise capacity, Peak Oxygen uptake (VO2peak), Body-composition, Subjective appetite and satiety ratings, Appetite regulating hormones, Health related quality of life, Habitual physical activity, ad libitum energy intake
Medical subject headings
Cystic Fibrosis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • High Intensity Interval Training (HIIT)Other

    High Intensity Interval Training

  • Moderate Continuous Intensity Training (MICT)Other

    Moderate Intensity Continuous Training

Study groups in NCT05140967
Study groupRoleWhat they receive
High Intensity Interval Training (A)ExperimentalExercise training with intermittent bouts of high intensity
Receives: Other: High Intensity Interval Training (HIIT)
Moderate Intensity Continous Training (B)ExperimentalExercise training with constant workload
Receives: Other: Moderate Continuous Intensity Training (MICT)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. change in Peak Oxygen Uptake

    measured with peak Oxygen uptake (VO2) in percent predicted

    Measured: at baseline and after 4 weeks of exercise training program

  2. change in Peak Workload

    measured with peak Workload in percent predicted

    Measured: at baseline and after 4 weeks of exercise training program

  3. change body fat mass index

    measured with body fat mass index (FMI) in kg / m*2

    Measured: at baseline and after 4 weeks of exercise training program

  4. change in Body fat free mass index

    measured with fat free body mass index (FFMI) in kg / m*2

    Measured: at baseline and after 4 weeks of exercise training program

Secondary outcomes (3)
  1. change in Forced Expiratory Volume in 1 second

    measured with Forced Expiratory Volume in 1 second (FEV1) in percent predicted

    Measured: at baseline and after 4 weeks of exercise training program

  2. change in Health related quality of life

    measured with the Cystic Fibrosis Questionnaire Revised (CFQ-R); 9 Quality of life domains: Physical, role/school, vitality, emotion, social, body image, eating, treatment burden, health perceptions: 3 symptom scales: Weight, respiratory, and digestion Scores range from 0 to 100, with higher scores indicating better health.

    Measured: at baseline and six and twelve months after completion of exercise training program

  3. appetite control - subjective feeling of hunger

    measured with visual analogue scales. The scale consists of a 10 cm vertical line anchored with "not hungry at all" at the left side and with "extremely hungry" at the right side.

    Measured: at baseline and after 4 weeks of exercise training program

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted2 Dec 2021
  2. Study start15 Oct 2021
  3. Primary completion31 Dec 2023
  4. Study completion31 Dec 2024

Resources

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
Parallel groups
Masking
None (open label)
Enrolment
70 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05140967
Sponsor's protocol ID
ABW-2021-CF
Status last verified
Feb 2025
First submitted
29 Oct 2021
Last updated
17 Feb 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A study testing High Intensity Interval Training (HIIT) and Moderate Continuous Intensity Training (MICT) in people with Cystic Fibrosis, run by University of Kiel at 2 sites in Germany.

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 6 inclusion and 4 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 17 Feb 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Germany. 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?

change in Peak Oxygen Uptake (time frame: at baseline and after 4 weeks of exercise training program). The study lists 4 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 17 Feb 2025.

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