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Oral Lactobacillus Reuteri for Skin Barrier Dysfunction in Obesity
Sponsor: Shenzhen People's Hospital
Summary
This clinical trial aims to evaluate the safety and efficacy of oral Lactobacillus reuteri supplementation for treating obesity-induced skin barrier impairment in individuals aged 18-40 with a BMI ≥30. The study focuses on the following questions: Can oral Lactobacillus reuteri supplementation reduce skin barrier damage (measured by transepidermal water loss/TEWL) in obese participants? Does modulation of gut microbiota with Lactobacillus reuteri impact skin barrier function and systemic inflammation? Researchers will compare outcomes across two groups: Intervention Group (Obese): Oral Lactobacillus reuteri capsules. Placebo Control Group (Obese): Oral inactive (heat-killed) Lactobacillus reuteri. Participant Procedures: Take daily oral capsules (Lactobacillus reuteri or inactive strain) for 4 weeks. Undergo non-invasive skin testing (TEWL measurements) at baseline and study completion. Provide stool and samples for analyses. Complete weekly check-ins to report adverse effects (e.g., gastrointestinal discomfort, skin irritation).
Official title: A Randomized, Double-blind, Placebo-controlled Clinical Trial to Evaluate the Safety and Efficacy of Oral Lactobacillus Reuteri in Treating Skin Barrier Function Impairment Caused by Obesity.
Key Details
Gender
All
Age Range
18 Years - 40 Years
Study Type
INTERVENTIONAL
Enrollment
140
Start Date
2026-04-10
Completion Date
2026-07-30
Last Updated
2026-04-06
Healthy Volunteers
Yes
Interventions
Oral Lactobacillus reuteri group
1×10\^11 CFU of inactive Lactobacillus reuteri was given orally once daily for one month
Oral administration of inactive Lactobacillus reuteri group
1×10\^11 CFU of inactive Lactobacillus reuteri was given orally once daily for one month