RecruitingNot ApplicableNCT07297823

Sex Differences in Cold-Induced Changes in Maximal Fat Oxidation

Sex Differences in Cold-Induced Changes in Maximal Fat Oxidation: A Pilot Study


Sponsor

Colorado State University

Enrollment

20 participants

Start Date

Apr 15, 2026

Study Type

INTERVENTIONAL

Conditions

Summary

The purpose of this research study is to determine if the cold-induced change in fat burning during exercise is different between females and males.


Eligibility

Min Age: 18 YearsMax Age: 40 Years

Inclusion Criteria5

  • Age 18-40 years (inclusive)
  • 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 Criteria4

  • Use of hormonal contraceptives
  • 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)

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Interventions

OTHERCold temperature

Room temperature will be decreased to 5 ºC

OTHERRoom Temperature

Exercise condition for control arm


Locations(1)

Colorado State University

Fort Collins, Colorado, United States

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NCT07297823


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