The Effects of Vitamin D Supplementation on Markers of Glucose Metabolism in Postmenopausal Women with New-onset Type 2 Diabetes

A Randomized, Open-label, Positive-Controlled Study to Determine the Effect of Vitamin D Supplementation on HOMA Insulin-Resistance in Postmenopausal Women with New-onset Type 2 Diabetes

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR-IPR-15005798

Enrollment

Unknown

Registered

2014-12-24

Start date

2015-01-01

Completion date

Unknown

Last updated

2017-04-18

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

Conditions

vitamin D deficiency

Interventions

trial group:Vitamin D Capsules and calcium carbonate

control group:Calcium Carbonate D3

Eligibility

Sex/Gender

Female

Age

45 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1. Postmenopausal women; 2. New-onset type 2 diabetes; 3. HBA1C more than 7% and less than 9%; 4. Serum25(OH)2D3 less than 25ng/ml.

Exclusion criteria

Exclusion criteria: 1. Type 1 diabetes; 2. Hysterectomy or bilateral oophorectomy; 3. Hypercalcemia; 4. Use of diphosphonate, PTH, oestrogen, estrogen receptor modulator, strontium or use of zoledronic acid within one year; 5. Thyroid Disease and severe hepatic and renal dysfunction; 6. Researcher think the subjects not suitable for this trial; 7. Subjects have severe gastrointestinal illnesses which can affect vitamin D absorption.

Design outcomes

Primary

Measure	Time frame
HOMA Insulin-Resistance index;	—

Secondary

Measure	Time frame
HOMA beta;Hemoglobin A1C;Fasting Blood Glucose;	—

Countries

China

Contacts

Public ContactChunLin Li

lichunlin301@163.com+86 13810921655

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026