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Effect of vitamin D supplementation on fasting plasma glucose and insulin resistance indices in gestational diabetes mellitus

Comparison of the effect of vitamin D supplementation on fasting plasma glucose and insulin resistance indices in pregnant women with gestational diabetes mellitus with a group of gestational diabetic pregnant women who do not receive vitamin D supplement

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20150607022585N3
Enrollment
50
Registered
2018-09-22
Start date
2015-11-04
Completion date
Unknown
Last updated
2018-10-11

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

Conditions

Gestational Diabetes Mellitus. Diabetes Mellitus

Interventions

Intervention 1: The control group received placebo twice (baseline and 21 days) in combination with calcium carbonate tablets 1000 milligram orally daily. Intervention 2: intervention group recieved 5

Sponsors

Bandare-abbas University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Pregnant women diagnosed with gestational diabetes at the age of 18-40 years. Pregnant women diagnosed with gestational diabetes who had not a previous history of overt diabetes. Pregnant women diagnosed with gestational diabetes who do not receive vitamin D supplement. Pregnant women diagnosed with gestational diabetes who do not smoke or do not use any drugs Pregnant women with gestational diabetes who do not have any systemic diseases including liver disease, hypertension, hypothyroidism. Pregnant women diagnosed with gestational diabetes who do not have multiple pregnancies Pregnant women diagnosed with gestational diabetes who do not take any medication which affect glucose metabolism like steroids and insulin Pregnant women diagnosed with gestational diabetes who do not take and medication any glucose lowering drugs.

Exclusion criteria

Exclusion criteria: unwillingness of participants to continue the study Start of insulin therapy during intervention miscarriage

Design outcomes

Primary

MeasureTime frame
Fasting Plasma Glucose. Timepoint: at baseline of study- at the end of 6 weeks intervention. Method of measurement: commercial kit, enzymatic method.;??????? ???. Timepoint: at baseline of study- at the end of 6 weeks intervention. Method of measurement: immunoassay (Elisa) kit.;Insulin resistance index (HOMA-IR). Timepoint: at baseline of study- at the end of 6 weeks intervention. Method of measurement: using formula.

Secondary

MeasureTime frame
HDL-C. Timepoint: at study baseline and at the end of 6 weeks intervention. Method of measurement: enzymatic method by using commercial kit.;Serum vitamin D concentration. Timepoint: at study baseline and at the end of 6 weeks intervention. Method of measurement: Commercial kit.;Serum calcium. Timepoint: at study baseline and at the end of 6 weeks intervention. Method of measurement: Commercial kit.;Serum phosphorus. Timepoint: at study baseline and at the end of 6 weeks intervention. Method of measurement: Commercial kit.;Serum triglyceride. Timepoint: at study baseline and at the end of 6 weeks intervention. Method of measurement: enzymatic method by using commercial kit.;Serum total cholesterol. Timepoint: at study baseline and at the end of 6 weeks intervention. Method of measurement: enzymatic method by using commercial kit.;LDL-C. Timepoint: at study baseline and at the end of 6 weeks intervention. Method of measurement: enzymatic method by using commercial kit.

Countries

Iran (Islamic Republic of)

Contacts

Public Contactkimia Seddighi

Bandare-abbas University of Medical Sciences

kimia.seddighi@hums.ac.ir+98 76 3222 0753

Outcome results

None listed

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