A cohort study on the health effects of vitamin D supplementation in type 2 diabetic patients

Status

Active, not recruiting

Phases

Phase 4

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR-IPC-17012657

Enrollment

Unknown

Registered

2017-09-13

Start date

2015-01-01

Completion date

Unknown

Last updated

2017-10-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

diabetes

Interventions

Vitamin D intervention group:Daily oral vitamin D3 capsules two tablets (2x400IU, 800IU)

Control group:No intervention

Eligibility

Sex/Gender

All

Age

45 Years to 75 Years

Inclusion criteria

Inclusion criteria: Based on community-based diabetes mellitus, a status survey was conducted to screen diabetic patients with better compliance, according to the principle of randomized controlled trials, roughly matched by age, sex and labor patterns and living habits, and conduct 1:1 intervention in population trials.

Exclusion criteria

Exclusion criteria: These diabetics will be excluded who have obvious other diseases (tumor hypertensive heart disease cerebrovascular disease neuropsychiatric disorders long bed rest, etc.) alcohol abuse long-term use of vitamin supplements and lifestyle serious irregular patients.

Design outcomes

Primary

Measure	Time frame
25 hydroxy vitamin D;Fasting blood glucose;Glycated hemoglobin;Fasting insulin;Blood lipids;Inflammatory factor;Physical examination;Lifestyle Questionnaire;VDR;	—

Countries

China

Contacts

Public ContactZengli Zhang

Soochow University

zhangzengli@suda.edu.cn+86 13451632217

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 20, 2026