NCT03138616

Brief Summary

Vitamin D deficiency are related to insulin resistance and impaired beta-cell function.It is reported that the level of vitamin D is lower during pregnancy and postpartum in the women with Gestational Diabetes Mellitus. The investigators hypothesize that vitamin D supplementation to women after birth with previous gestational diabetes may improve glucose metabolism.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
180

participants targeted

Target at P50-P75 for phase_4

Timeline
Completed

Started Nov 2016

Typical duration for phase_4

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2016

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

May 1, 2017

Completed
2 days until next milestone

First Posted

Study publicly available on registry

May 3, 2017

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2018

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

January 31, 2019

Completed
Last Updated

May 9, 2017

Status Verified

May 1, 2017

Enrollment Period

2.2 years

First QC Date

May 1, 2017

Last Update Submit

May 5, 2017

Conditions

Keywords

Gestational diabetes mellitusvitamin Dpostpartum

Outcome Measures

Primary Outcomes (1)

  • Change in glucose metabolism

    change in Insulin sensitivity index,insulin resistance,inflammatory factors

    9 months

Secondary Outcomes (2)

  • change in Lipid metabolism

    9 months

  • change in metabolism of calcium and phosphorus

    9 months

Study Arms (4)

vitamin D intervention group(NGR)

EXPERIMENTAL

normal glucose regulation group according to the oral glucose tolerance test (OGTT) around 42 days postpartum. took 1600 units of vitamin D daily for nine months and meanwhile receive lifestyle intervention.

Drug: vitamin D

control group(NGR)

NO INTERVENTION

normal glucose regulation group according to the oral glucose tolerance test (OGTT) around 42 days postpartum. only receive lifestyle intervention.

vitamin D intervention group(IGR)

EXPERIMENTAL

impaired glucose regulation group according to the oral glucose tolerance test (OGTT) around 42 days postpartum. took 1600 units of vitamin D daily for nine months and meanwhile receive lifestyle intervention.

Drug: vitamin D

control group(IGR)

NO INTERVENTION

impaired glucose regulation group according to the oral glucose tolerance test (OGTT) around 42 days postpartum. only receive lifestyle intervention.

Interventions

take 1600 units of vitamin D daily for nine months

vitamin D intervention group(IGR)vitamin D intervention group(NGR)

Eligibility Criteria

Age20 Years - 45 Years
Sexfemale(Gender-based eligibility)
Gender Eligibility DetailsParticipants with vitamin D deficiency and previous GDM
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • with previous GDM,40-50 days after birth -
  • with deficiency of vitamin D(25-(OH)D3\<50nmol/L)

You may not qualify if:

  • type 1 diabetes,type 2 diabetes and other type of diabetes
  • server disfunction of liver and kidney(ALT \>100U/L,Cr\>132ummol/L)
  • with mental disease,sever anemia,sever infection,sever heart disease,now is taking asprin, immunosuppressive agent,Antiepileptic drugs
  • pregnancy or plan to pregnant in one year
  • can't understand the requirement of this study
  • disfunction of thyroid

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Shanghai First People's Hospital, Shanghai Jiao Tong University 100 Haining Road,Shanghai

Shanghai, Shanghai Municipality, 200080, China

Location

Related Publications (4)

  • Nsiah-Kumi PA, Erickson JM, Beals JL, Ogle EA, Whiting M, Brushbreaker C, Borgeson CD, Qiu F, Yu F, Larsen JL. Vitamin D insufficiency is associated with diabetes risk in Native American children. Clin Pediatr (Phila). 2012 Feb;51(2):146-53. doi: 10.1177/0009922811417290. Epub 2011 Oct 20.

    PMID: 22019791BACKGROUND
  • von Hurst PR, Stonehouse W, Coad J. Vitamin D supplementation reduces insulin resistance in South Asian women living in New Zealand who are insulin resistant and vitamin D deficient - a randomised, placebo-controlled trial. Br J Nutr. 2010 Feb;103(4):549-55. doi: 10.1017/S0007114509992017. Epub 2009 Sep 28.

    PMID: 19781131BACKGROUND
  • Mitri J, Dawson-Hughes B, Hu FB, Pittas AG. Effects of vitamin D and calcium supplementation on pancreatic beta cell function, insulin sensitivity, and glycemia in adults at high risk of diabetes: the Calcium and Vitamin D for Diabetes Mellitus (CaDDM) randomized controlled trial. Am J Clin Nutr. 2011 Aug;94(2):486-94. doi: 10.3945/ajcn.111.011684. Epub 2011 Jun 29.

    PMID: 21715514BACKGROUND
  • Pleskacova A, Bartakova V, Pacal L, Kuricova K, Belobradkova J, Tomandl J, Kankova K. Vitamin D Status in Women with Gestational Diabetes Mellitus during Pregnancy and Postpartum. Biomed Res Int. 2015;2015:260624. doi: 10.1155/2015/260624. Epub 2015 Apr 27.

    PMID: 26000285BACKGROUND

MeSH Terms

Conditions

Diabetes, Gestational

Interventions

Vitamin D

Condition Hierarchy (Ancestors)

Pregnancy ComplicationsFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesDiabetes MellitusGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System Diseases

Intervention Hierarchy (Ancestors)

SecosteroidsSteroidsFused-Ring CompoundsPolycyclic Compounds

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: intervention group and control group
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

May 1, 2017

First Posted

May 3, 2017

Study Start

November 1, 2016

Primary Completion

December 30, 2018

Study Completion

January 31, 2019

Last Updated

May 9, 2017

Record last verified: 2017-05

Data Sharing

IPD Sharing
Will not share

Locations