Obesity & OverweightHair LossMetabolomicsBariatric Surgery
Study summary
The purpose of this research study is to investigate how body weight and weight-loss surgery affect the natural chemicals found in scalp hair over time. We will also find out how common and severe hair thinning/hair loss and muscle loss are in the first 6 months after bariatric surgery.
Eligibility
Sex
ALL
Min age
21 Years
Max age
70 Years
Healthy volunteers
Accepted
Inclusion Criteria:
All subjects:
1. Age 21-70 years
2. Ability to provide informed consent
Healthy weight controls:
1. BMI of 18.5-24.9 kg/m2
2. No chronic disease
3. No long-term medications
Severe obesity:
1. BMI of \> 32.5 kg/m2
2. Scheduled to undergo bariatric surgery
Exclusion Criteria:
1. Pregnancy
2. Any factors likely to limit adherence to study protocol
3. Any history of autoimmune or scarring alopecia (eg. alopecia areata, discoid lupus, lichen planopilaris)
Primary outcome measure(s)
Amino acid concentration — From enrollment to the end of study duration at 6 months Post-surgery changes in scalp hair amino acid concentration following bariatric surgery
Trial sites (1)
Facility
City
Region
Status
Singapore General Hospital
Singapore
Singapore
Recruiting
More Singapore General Hospital trials in Singapore
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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