Associations of Plasma Vanadium Concentrations With Gestational Diabetes Mellitus
Background: Vanadium compounds have been shown to exert insulin-mimetic effects and thereby control glucose homeostasis. However, studies regarding the levels of vanadium and gestational diabetes mellitus (GDM) are limited and have inconsistent outcomes.
Objective: The aim of this study was to investigate the association of plasma vanadium concentrations with gestational diabetes mellitus (GDM).
Design: A hospital-based case-control study was carried out in urban Wuhan, China from August 2012 to April 2015. Pregnant women who screened for GDM at the outpatient clinics of the Department of Endocrinology, Tongji Hospital were invited to participant in the study. The inclusion criteria were as follows: 1) age ≥ 20 and ≤ 43 years; 2) gestational age at GDM screening ≥ 24 weeks; 3) singleton pregnancy. The investigators excluded women who met any of the following items: history of diabetes (including but not limited to GDM), cardiovascular disease, cancer or other systemic diseases; pharmacologic treatment or dietary supplement use that might influence glucose or lipids metabolism; accompanied by other pregnancy complications; incomplete basic information. The diagnosis of GDM can be made if one or more glucose values are above the cut points of 5.1, 10.0 and 8.5 mmol/L at fasting, 1 and 2 h during a 75-gram oral glucose tolerance test (OGTT). Controls were randomly selected and individually matched to cases by age (± 2 years), gestational age (± 2 weeks) and parity. Finally, 252 GDM cases and 252 matched controls were selected in this study. All participants gave written informed consent before enrolling in the study. Fasting blood samples (≥ 8 h overnight fasting) were collected using anticoagulant tubes and centrifuged at 3000 rpm for 5 min. Plasma were separated from blood cells and stored at -80 ℃ for further assay. Plasma vanadium concentrations were measured using inductively coupled plasma mass spectrometry. Conditional logistic regression and restricted cubic spline model were used to evaluate the associations between plasma vanadium and odds of GDM.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Faktiske)
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Age ≥ 20 and ≤ 43 years;
- Gestational age at GDM screening ≥ 24 weeks;
- Singleton pregnancy;
Exclusion Criteria:
- History of diabetes (including but not limited to GDM), cardiovascular disease, cancer or other systemic diseases;
- History of receiving pharmacological treatment known to affect glucose metabolism;
- Incomplete basic information.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
Intervention / Behandling |
|---|---|
|
Svangerskabsdiabetes mellitus
Svangerskabsdiabetes mellitus (GDM) blev diagnosticeret i henhold til American Diabetes Association-kriterierne, som er baseret på "one-step"-tilgangen anbefalet af International Association of Diabetes and Pregnancy Study Groups.
Alle kvinder gennemgik en 75 g OGTT om morgenen efter en faste natten over, med plasmaglukosemåling faste og efter 1 og 2 timer.
Kriterierne for GDM-diagnose skulle have mindst én unormal værdi: Fastende glukose ≥ 5,1 mmol/L (92 mg/dL), 1 time glukose ≥ 10,0 mmol/L (180 mg/dL), 2 timers glukose ≥ 8,5 mmol/ L (153 mg/dL).
|
Plasma vanadium concentrations were measured using inductively coupled plasma mass spectrometry (ICP-MS) (Agilent 7700 Series, United States)
|
|
Healthy pregnant women
Pregnant women with fasting glucose < 5.1 mmol/L (92 mg/dL), 1 h glucose < 10.0 mmol/L (180 mg/dL) and 2 h glucose < 8.5 mmol/L (153 mg/dL) were considered as healthy controls.
Controls were randomly selected and individually matched to cases by age (± 2 years), gestational age (± 2 weeks) and parity.
|
Plasma vanadium concentrations were measured using inductively coupled plasma mass spectrometry (ICP-MS) (Agilent 7700 Series, United States)
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Gestational diabetes mellitus
Tidsramme: From August 2012 to April 2015
|
Glucose intolerance with onset or first diagnosis during pregnancy.
The diagnosis of GDM can be made if one or more glucose values are above the cut points of 5.1, 10.0 and 8.5 mmol/L at fasting, 1 and 2 h during a 75-gram oral glucose tolerance test.
|
From August 2012 to April 2015
|
Samarbejdspartnere og efterforskere
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- XQL202202
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .