Sex Differences in Cold-Induced Changes in Maximal Fat Oxidation
NCT ID: NCT07297823
Last Updated: 2025-12-26
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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NOT_YET_RECRUITING
NA
20 participants
INTERVENTIONAL
2026-01-31
2027-06-30
Brief Summary
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Detailed Description
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The purpose of this study is to determine if the change in maximal fat oxidation that occurs in cold compared to room temperature environments is different between females and males.
The hypotheses are 1) females will have greater maximal fat oxidation than males in both conditions, and 2) the change in maximal fat oxidation between the control and cold conditions will be the same in females and males.
Conditions
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Keywords
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Study Design
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RANDOMIZED
CROSSOVER
OTHER
NONE
Study Groups
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Exercise at room temperature
Study participants will ride an exercise bike
Room Temperature
Exercise condition for control arm
Exercise at cold temperature
Study participants will ride an exercise bike. Room temperature will be 5 ºC
Cold temperature
Room temperature will be decreased to 5 ºC
Interventions
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Cold temperature
Room temperature will be decreased to 5 ºC
Room Temperature
Exercise condition for control arm
Eligibility Criteria
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Inclusion Criteria
* Weight stable (no change in body mass greater than 5 lbs. within the previous 6 months.
* Willing to abstain from caffeine and alcohol for 24-hours prior to two different study visits
* Competency in English as informally assessed by comprehension of the Informed Consent. This study involves maximal exercise testing; for safety reasons, the ability for clear and rapid communication will be necessary between the research participants and the investigators.
* Regular exercise (i.e., at least 150 minutes of moderate-vigorous exercise per week)
Exclusion Criteria
* History of autonomic, cardio-pulmonary, and/or metabolic disease (including heart failure, hypertension, arrhythmia, vascular disease, and/or diabetes)
* Pregnancy or breast feeding
* Habitual use of tobacco/nicotine products or recreational drugs (2 or more uses within the previous month)
18 Years
40 Years
ALL
Yes
Sponsors
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Colorado State University
OTHER
Responsible Party
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Principal Investigators
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Christopher Bell
Role: PRINCIPAL_INVESTIGATOR
Colorado State University
Central Contacts
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Other Identifiers
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7231
Identifier Type: -
Identifier Source: org_study_id