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Effect of Vitamin D on Cardiovascular Metabolic Risk in Overweight/Obesity Adolescents in China

NCT07053657 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 130

Last updated 2025-11-17

No results posted yet for this study

Summary

The goal of this randomized controlled clinical trial is to investigate the effects of vitamin D3 supplementation on cardiometabolic risk in Chinese adolescents with overweight/obesity and vitamin D deficiency. The main question it aims to answer whether vitamin D3 supplementation can improve cardiovascular metabolic health.

Participants in the intervention group will receive vitamin D3. The control group will receive vitamin D placebo.

Researchers will compare the change in cardiometabolic risk from baseline to post-intervention at 12 weeks between the intervention and control groups.

Conditions

  • Cardiometabolic Risk Factors

Interventions

DRUG

Dietary Supplement: Vitamin D3

2000 IU per day for 6 weeks (two capsules of 800 IU plus one capsule of 400 IU), followed by 800 IU (one capsule of 800 IU) per day for 6 weeks.

DRUG

Dietary Supplement: Vitamin D3 placebo

Three capsules for 6 weeks, followed by one capsule for 6 weeks.

Sponsors & Collaborators

  • Anhui Medical University

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
10 Years
Max Age
16 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-09-15
Primary Completion
2025-12-15
Completion
2025-12-31

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07053657 on ClinicalTrials.gov