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โ† Trials
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Intermittent Cold Exposure and Brown Adipose Tissue Hyperplasia

RecruitingNAAges 18 Years - 40 YearsAllUniversity of Edinburgh
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In plain words

What the trial is, and whether it could suit you

This clinical trial explores how repeated short-term cold exposure impacts the molecular and physiological function of brown adipose tissue (BAT), a thermogenic organ associated with improved cardiometabolic health. While intermittent cold exposure has been shown to increase BAT activity and mass, as measured by fluorodeoxyglucose (18F-FDG) uptake on positron emission tomography/computed tomography (PET/CT) scans, the molecular adaptations within BAT and other thermogenic tissues including skeletal muscle and white adipose tissue (WAT) remain poorly understood. Healthy adults aged 18 to 40 years (6 males and 6 females) will participate in a 10-day cold acclimation protocol (2 hours per day using water-perfused cooling blankets). The primary objective is to determine how cold exposure alters cellular heterogeneity and gene expression in BAT, WAT, and skeletal muscle. Participants will u

Sign in to get the eligibility rules as simple questions to take to your doctor.

๐Ÿ“‹ Eligibility rules (as published)
Inclusion Criteria: * Aged 18-40 years * Body mass index 18.5-25 kg/m2 * Weight change of less than 5% in the past 6 months * No acute or chronic medical conditions * On no regular medications (other than contraceptives in female participants) * No claustrophobia * Alcohol intake โ‰ค14 units/ week * Screening blood tests within acceptable limits (of no clinical significance) * Not currently pregnant, lactating or breastfeeding (female participants only) * Ability to provide informed consent. Exclusion Criteria: * Not meeting inclusion criteria * Contra-indication to PET/CT scan * Allergy to local anaesthetic
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What it tests

  • Cooling
  • Biopsies
  • Injection of 18F-FDG
  • Indirect calorimetry
  • Electromyogram
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Where

1 site
Royal Infirmary of Edinburgh
Edinburgh, United Kingdom
๐Ÿค Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible โ€” always decide together with your own doctor.
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