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Completed

NCT Number: NCT04133441

25-Hydroxyvitamin D Levels Are Negatively Associated With Platelets Number in a Cohort of Overweight and Obese Subjects

This study was aimed to investigate the associations between platelet number and 25(OH)D serum concentration in apparently healthy but overweight/obese subjects.

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Key information

Sex eligibility

All sexes

Study type

Observational

Primary location

National Institute of Gastroenterology IRCCS S. de Bellis

Castellana Grotte, Bari, 70013, Italy

About this study

Subjects were enrolled at the first examination whether they were not taking any medication, including oral contraceptives or drugs for osteoporosis, and free of significant medical illnesses, except obesity. Exclusion criteria were history of endocrinological diseases (diabetes mellitus, hypo or hyperthyroidism, hypopituitarism, etc.), chronic inflammatory diseases, stable known hypertension, angina pectoris, stroke, transient ischemic attack, heart infarction, congenital heart disease, malignancies, chronic inflammatory diseases, renal and liver failure, angina pectoris, myocardial infarction, heart failure, congenital heart diseases, minor and major stroke, and inherited thrombocytopenias and other major malignancies. subjects were examined by means of the medical history, hormonal, metabolic and routine hematochemical parameters. We provided for a clinical baseline evaluation that included extemporaneous ambulatory blood pressure (BP) and a physical assessment of body weight, Body Mass Index (BMI) and Waist Circumference (WC) as anthropometric parameters. To lead the statistical analysis, all sample was clusterized into three different groups according to the diagnostic condition of deficiency (<10 ng/mL), insufficiency (<20 ng/mL) and sufficiency (≥20 ng/mL) of vitamin D. We labelled each cluster as group 1, group 2 and group 3.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Overweight or obesity (BMI> 25 Kg/m2)

Exclusion criteria

  • Any kind of drug
  • Hypertension
  • Endocrine diseases (diabetes mellitus, hypo or hyperthyroidism, hypopituitarism, etc.),
  • Chronic inflammatory diseases
  • Renal failure
  • Liver failure
  • Angina pectoris
  • Myocardial infarction and heart failure
  • Genetic heart diseases
  • Thrombocytopenias

Treatment and study plan

Primary outcomes

  1. Vitamin D

    Time frame: At baseline

    Vitamin D (ng/mL) concentration in serum

  2. Platelets

    Time frame: At baseline

    Platelets (cells/mm3) number in serum

Secondary outcomes

  1. Insulin

    Time frame: At baseline

    Insulin (mIU/L) concentration in serum

  2. eGFR (estimated glomerular filtration rate)

    Time frame: At baseline

    eGFR (ml/min/1.73 mq)

  3. Creatinin

    Time frame: At baseline

    Creatinin (mg/dl) concentration in serum

  4. Total cholesterol

    Time frame: At baseline

    Total cholesterol (mg/dL) concentrations in serum

  5. Thyroid hormones (FT3, FT4)

    Time frame: At baseline

    FT3 (pg/mL), FT4 (pg/mL) concentration in serum

  6. HDL cholesterol

    Time frame: At baseline

    HDL cholesterol (mg/dL) concentrations in serum

  7. LDL cholesterol

    Time frame: At baseline

    LDL cholesterol (mg/dL) concentrations in serum

  8. TSH

    Time frame: At baseline

    TSH (mU/L) concentration in serum

  9. BMI

    Time frame: At baseline

    BMI (kg/m^2)

  10. Height

    Time frame: At baseline

    Height in meters

  11. Weight

    Time frame: At baseline

    Weight in kilograms

Sponsors and collaborators

Lead sponsor

Azienda Ospedaliera Specializzata in Gastroenterologia Saverio de Bellis

Other

Registry information

Important dates

Study start
2019
Primary completion
2019
Study completion
2019
First posted
Oct 21, 2019
Registry last updated
Oct 21, 2019

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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