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Endurance TrainingNCT07263126

Effect of Bicycle Ergometer Training on Fat Tissue Amount and Metabolism

A study testing endurance training with bicycle ergometer in termoneutral ambient temperature and endurance training with bicycle ergometer in lightly cold ambient temperature in people with Endurance Training, run by Pamukkale University at 1 site in Turkey (Türkiye).

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

The aim of this study is to investigate the effect of endurance training performed with a bicycle ergometer at different ambient temperatures on the amount of fat tissue and fat tissue metabolism in overweight and obese women. Read more about this study

Who is it for?
Ages 20 to 40 years, women onlyHealthy volunteers can take part
Conditions the study is for
Endurance Training
What is being tested?
endurance training with bicycle ergometer in termoneutral ambient temperature and endurance training with bicycle ergometer in lightly cold ambient temperature
Could I receive a placebo?
No, everyone receives an active treatment
How many people
36 participants
Where
1 siteTurkey (Türkiye)
Study dates
27 May 2025to 27 Apr 2026
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 20 to 40 years
  • Women only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Being female,
  • Being between 20-40 years old,
  • Having a BMI between 25 and 34.9,
  • Having a waist circumference greater than 80 cm,
  • Not having participated in any exercise program in the last 3 months ,
  • Not having experienced a change of more than 10% in body weight in the last 6 months.

Who cannot join

  • On a weight loss diet,
  • Having cancer, unstable heart disease, cerebrovascular disease, metabolic disease, diabetes, hypertension, psychiatric disorders, or other conditions or neurological disorders,
  • Having a musculoskeletal disorder or any disease/injury that may affect participation in exercise training,
  • Participating in regular physical activity (at least 150 minutes of moderate-intensity physical activity or 75 minutes of vigorous-intensity physical activity or an equivalent combination of both during the week),
  • Being pregnant or breastfeeding,
  • Having undergone surgery for the treatment of obesity,
  • Receiving pharmacological treatment for obesity. Participants who did not attend more than 20% of the endurance training program will be excluded from the study.

Trial locations and contacts

1 site in 1 country.

Turkey (Türkiye)1 site
  • Şule Şimşek

    Denizli, Sarayköy, 09200

Other trials in Turkey (Türkiye)

About this study

Official title: Effect of Bicycle Ergometer Training in Thermoneutral and Lightly Cold Ambient Temperatures on Fat Tissue Amount and Metabolism in Overweight and Obese Women

The aim of this study is to investigate the effect of endurance training performed with a bicycle ergometer at different ambient temperatures on the amount of fat tissue and fat tissue metabolism in overweight and obese women.

Read the detailed description

This study will examine the effects of 12 weeks of endurance training on a bicycle ergometer at thermoneutral and slightly cold ambient temperatures on body composition, subcutaneous and visceral fat tissue thickness, and levels of irisin, leptin, adiponectin, apelin, IL-6 and FGF-21 in the blood of overweight and obese women.

Being tested
endurance training with bicycle ergometer in termoneutral ambient temperature, endurance training with bicycle ergometer in lightly cold ambient temperature
Keywords
Bicycle Ergometer, Overweight, Obese
Medical subject headings
Overweight, Obesity

What participants receive

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

  • endurance training with bicycle ergometer in termoneutral ambient temperatureOther

    trained with bicycle ergometer three times a week for three months.

  • endurance training with bicycle ergometer in lightly cold ambient temperatureOther

    trained with bicycle ergometer three times a week for three months.

Study groups in NCT07263126
Study groupRoleWhat they receive
Case group 1Experimentalparticipants trained in termoneutral ambient temperature
Receives: Other: endurance training with bicycle ergometer in termoneutral ambient temperature
Case group 2Active comparatorparticipants trained in lightly cold ambient temperature
Receives: Other: endurance training with bicycle ergometer in lightly cold ambient temperature
control groupNo interventionparticipants do not trained

What is being measured

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

  1. rate of BMI

    assesed with height and body weight

    Measured: baseline/ through study completion, an average 3 months

  2. analysis of biyoelectric impedans Bioelectrical impedance analysis

    assesed with with a Tanita BC 418 brand device.

    Measured: baseline/ through study completion, an average 3 months

  3. Waist circumference Waist hip ratio

    Waist circumference will be measured with a tape measure.

    Measured: baseline/ through study completion, an average 3 months

  4. rate of subcutaneous and visceral adipose tissue thickness

    assesed with Ultrasonography

    Measured: baseline/ through study completion, an average 3 months

  5. concentration of serum irisin

    assesed with blood analysis

    Measured: baseline/ through study completion, an average 3 months

  6. concentration of serum adiponectin

    assesed with blood analysis

    Measured: baseline/ through study completion, an average 3 months

  7. concentration of serum apelin

    assesed with blood analysis

    Measured: baseline/ through study completion, an average 3 months

  8. concentration of serum IL-6

    assesed with blood analysis

    Measured: baseline/ through study completion, an average 3 months

Timeline

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

  1. First posted4 Dec 2025
  2. Study start27 May 2025
  3. Primary completion27 Sep 2025
  4. Study completion27 Apr 2026

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
Model description
Endurance training in termoneutral ambient, Endurance training in lightly cold ambient, control group (the waiting list group)
Masking
Single blind
Who is masked
Outcomes assessor
Enrolment
36 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07263126
Sponsor's protocol ID
23.07.2024/13
Status last verified
Aug 2026
First submitted
27 May 2025
Last updated
10 Aug 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Otero-Diaz B, Rodriguez-Flores M, Sanchez-Munoz V, Monraz-Preciado F, Ordonez-Ortega S, Becerril-Elias V, Baay-Guzman G, Obando-Monge R, Garcia-Garcia E, Palacios-Gonzalez B, Villarreal-Molina MT, Sierra-Salazar M, Antuna-Puente B. Exercise Induces White Adipose Tissue Browning Across the Weight Spectrum in Humans. Front Physiol. 2018 Dec 11;9:1781. doi: 10.3389/fphys.2018.01781. eCollection 2018.

    PubMed 30618796

Questions about this trial

What is this clinical trial studying?

A study testing endurance training with bicycle ergometer in termoneutral ambient temperature and endurance training with bicycle ergometer in lightly cold ambient temperature in people with Endurance Training, run by Pamukkale 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 6 inclusion and 7 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 10 Aug 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?

rate of BMI (time frame: baseline/ through study completion, an average 3 months). The study lists 8 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT07263126, which also lists 1 linked publication.

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 10 Aug 2026.

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