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The Effect of Vitamin D Supplementation Among Overweight Jordanian Women With Polycystic Ovary Syndrome (PCOS)

23 juin 2016 mis à jour par: Hayat Pharmaceutical Co. PLC

The Effect of Vitamin D Supplementation on Chromium Serum Levels and Insulin Resistance Among Overweight Jordanian Women With Polycystic Ovary Syndrome in Irbid

This is a prospective double-blind, randomized, parallel-group, placebo-controlled trial designed to examine the effect of supplementation with 50,000 IU vitamin D3 for 3 months on Polycystic Ovary Syndrome (PCOS) prognosis, serum 25-Hydroxy Vitamin D (25(OH)D) level, serum chromium level, insulin resistance, and Body Mass Index (BMI), in 60 overweight Jordanian female patients diagnosed with PCOS and with hypovitaminosis D.

Aperçu de l'étude

Description détaillée

This study is designed to assess the safety and efficacy of 50,000 IU vitamin D supplementation once weekly for 3 months on improvement in PCOS prognosis and improvement in serum 25(OH)D levels in 60 overweight Jordanian females (defined as having a BMI 25-30kg/m2), diagnosed with PCOS (based on Rotterdam criteria), and with hypovitaminosis D (defined as a serum 25(OH)D level < 20 ng/mL), compared with placebo.

Evaluation of the safety and efficacy of the dosing regimen will be conducted over 6 study visits during which clinical and biochemical signs of PCOS as well as serum 25(OH)D level, serum chromium level, insulin resistance, and BMI will be evaluated.

The measurements will be collected as follows : day (-7) during screening , Day (0) base line measurements , Day (30) , Day(60), Day (90), day (104).

Type d'étude

Interventionnel

Inscription (Réel)

60

Phase

  • Phase 3

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Lieux d'étude

      • Irbid, Jordan, 22110
        • King Abdullah University Hospital

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

18 ans à 49 ans (Adulte)

Accepte les volontaires sains

Non

Sexes éligibles pour l'étude

Femelle

La description

Inclusion Criteria:

  • Female gender.
  • Aged between 18 and 49 years old.
  • Ethnic group (Caucasian, Middle-eastern).
  • Overweight (BMI 25-30 kg^m2).
  • Diagnosed with Polycystic ovary syndrome according to Rotterdam criteria (Rotterdam SHRE-ASRM Sponsored Polycystic ovary syndrome consensus workshop group, 2004).
  • Diagnosed with hypovitaminosis D (serum 25(OH)D level < 20 ng/mL).
  • Inadequate dietary intake of vitamin D (<600 IU/day or <15μg/day).
  • Physical examination being assessed and accepted by the attending physician.
  • Systolic blood pressure within the normal range (90-140 mmHg).
  • Diastolic blood pressure within the normal range (60-90 mmHg).
  • Heart rate within the normal range (60-100 BPM).
  • Oral body temperature within the normal range (35.9 - 37.6 Cᵒ).
  • Normal complete blood count , Liver Function enzymes test , Aspartate Transaminase (AST) , Alanine Transaminase (ALT) and Kidney function tests , Blood Urea Nitrogen (BUN) and Serum Creatinine (SrCr).
  • Participant is willing and able to give informed consent for participation in the study.
  • Able and willing to comply with all study requirements.

Exclusion Criteria:

  • Female participants who are pregnant, lactating or planning pregnancy during the course of the study.
  • Ethnic group: non Caucasian.
  • Females aged <18 or >49 years old.
  • Underweight, normal body weight ,Body Mass Index (BMI) < 25 kg^m2
  • Obese or morbidly obese (BMI > 30 kg/m2)
  • Diagnosis with type 1 or type 2 diabetes mellitus, hypothyroidism, hyperthyroidism, liver disease, renal dysfunction, cardiovascular diseases, androgen-secreting tumor, Cushing syndrome, congenital adrenal hyperplasia, hyperprolactinemia, and/or virilism.
  • Known history or presence of food allergies or intolerance (e.g dairy products or gluten-containing foods), or any known condition that could interfere with the absorption, distribution, metabolism, or excretion of drugs.
  • History of drug or alcohol abuse, smoking of 10 cigarettes or more (or equivalent) per day.
  • Participants who took medications known to affect metabolic parameters, such as metformin and corticosteroid drugs, vitamin D and calcium.
  • Adequate dietary intake of vitamin D (600 IU/day or 15μg/day or more).
  • Participation in another clinical or bioequivalence study within 90 days prior to the start of this study period.
  • Participants with abnormal Electrocardiogram (ECG).
  • Participants with any abnormal laboratory results excluding [ 25(OH)D, Creatinine (Cr), Calcium (Ca), phosphorus (PO4), C-reactive protein(CRP) , triglyceride , High Density Lipoprotien Cholesterol (HDL-C), Low Density Lipoprotien Cholesterol (LDL-C), total cholesterol (TC)/HDL-C ratio, fasting insulin , fasting blood glucose, oral glucose tolerance test, impaired glucose tolerance, Progesterone, total testosterone, sex hormone binding globulin, parathyroid hormone and free androgen index].

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: Traitement
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Quadruple

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Comparateur actif: vitamin D3 (Biodal 50,000 IU)
50,000 IU Vitamin D3 tablet given orally once weekly for 3 months
Film-coated tablet Biodal 50,000 IU containing cholecalciferol 50,000 IU
Autres noms:
  • Biodal 50 000 UI
  • cholecalciferol 50,000 IU
Comparateur placebo: placebo
Placebo tablet given orally once weekly for 3 months
Placebo film-coated tablet of Biodal 50,000 IU
Autres noms:
  • Biodal 50,000IU

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
Ultrasound Examination of Number of Follicles and Ovarian Volume
Délai: 3 months

Evaluation of the efficacy of the dosing regimen as per the approved Summery of Product Characteristics (SmPC) (50,000 IU vitamin D3 once weekly for 3 months) on improvement in PCOS prognosis clinically using ultrasound examination.

In this measure the reported results were the finding of the ultrasound examination after the course of the treatment /intervention as per the study protocol and reporting the numbers of patients with normal ovaries, One normal ovary and the other is polycystic or both ovaries are poly-cystic.

An improvement in PCOS prognosis clinically by ultrasound examination is defined by:

  • decreasing the number of follicles to < 12 follicles measuring 2-9 mm in diameter
  • decreasing ovarian volume to < 10 cm3
3 months
Menstrual Regularity
Délai: 3 months

Evaluation of the efficacy of the dosing regimen as per the approved SmPC (50,000 IU vitamin D3 once weekly for 3 months) on improvement in PCOS prognosis by assessment of menstrual regularity An improvement in PCOS prognosis by assessment of menstrual regularity is measured through improving progesterone level > 4 ng/mL.

One of the clinical signs of improving PCOS prognosis is menstrual cycle regularity.

In this measure ,the reported results consist of the number of volunteers/patients in each arm either with regular menstrual cycle or irregular menstrual cycle after completing the course of the treatment/ intervention as per the study protocol.

The results will be statistically analyzed using paired student t-test and 95% confidence interval (CI) for the difference of the means within and between the two groups will be calculated.

3 months
Hirsutism Score
Délai: 3 months

The scale ranges between 0 and 36, where A score of 8 or higher was considered as androgen excess (Ferriman and Gallwey, 1961).Evaluation of the Efficacy of the dose (50,000IU) and the dose regimen as per the approved SmPC on PCOS prognosis by evaluating Hirsutism Score.Hirsutism score was assessed using self-administrated Ferriman-Gallwey scoring system (Ferriman and Gallwey, 1961). Each participant answered the hirsutism test with the help of a trained nurse who was working in the same clinic. The score of each body site may range between 0 (no excessive terminal hair growth) to 4 (extensive terminal hair growth).

In this measure , the hirsutism score were reported in each are after completing the course of treatment/ intervention as per the study protocol. after which, the means were compared for statistical significance between the two groups / arms.

3 months
Serum Progesterone Level
Délai: 3 months

The results below show the Serum Progesterone level after treatment in each arm after completing the course of the treatment / intervention as per the study protocol.after which, the means were compared for statistical significance between the two groups / arms. After which, the means were compared for statistical significance between the two groups / arms.

The evaluation of the Efficacy of the dose (50,000IU) and the dose regimen as per the approved SmPC on PCOS Prognosis by measuring Change in Serum Progesterone level.

One of the clinical signs of improving PCOS prognosis is the change in progesterone level. the results will be statistically analyzed using paired student t-test at 95% confidence interval (CI) for the difference of the means within and between the two groups will be calculated.

3 months
Total Testosterone Level
Délai: 3 months

Evaluation of the Efficacy of the dose (50,000IU) and the dose regimen as per the approved SmPC on PCOS Prognosis by measuring Change in Total Testosterone level before and after the treatment.

In this measure , the Total Testosterone levels in each arm were reported after completing the course of the treatment / intervention as per the study protocol.

One of the clinical signs of improving PCOS prognosis is the change in testosterone level. After which, the means were compared for statistical significance between the two groups / arms.

the results will be statistically analyzed using paired student t-test at 95% confidence interval (CI) for the difference of the means within and between the two groups will be calculated.

3 months
Free Androgen Index
Délai: 3 months

Free Androgen Index is calculated as the ratio of total testosterone to sex hormone binding globulin (SHBG).

In this measure , the Free Androgen Index in each arm were reported after completing the course of the treatment / intervention as per the study protocol. After which, the means were compared for statistical significance between the two groups / arms.

Improvement assessment of PCOS Prognosis by evaluating the change in Free Androgen Index.

One of the clinical signs of improving PCOS prognosis is the change in FAI. the results will be statistically analyzed using Wilcoxon (Mann- Whitney) method at 95% confidence interval (CI) for the difference of the means within and between the two groups will be calculated.

3 months
Sex Hormone Binding Globulin Concentration
Délai: 3 months

Evaluation of Biodal 50,000 IU on improvement of PCOS Prognosis by comparing the Sex Hormone Binding Globulin concentrations in both groups/arms.

One of the clinical signs of improving PCOS prognosis is the change in the Sex Hormone Binding Globulin Concentration.

In this measure , the Sex Hormone Binding Globulin Concentration in each arm were reported after completing the course of the treatment / intervention as per the study protocol. After which, the means were compared for statistical significance between the two groups / arms.

The results will be statistically analyzed using Wilcoxon (Mann-Whiteny) method at 95% confidence interval (CI) for the difference of the means within and between the two groups will be calculated.

3 months

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Serum 25-Hydroxy Vitamin D3 Level
Délai: 3 months

Evaluation of the Efficacy of the dose (50,000IU) and the dose regimen as per the approved SmPC on increase the level of serum 25(OH)D > 20 ng/ml by measuring of the serum 25(OH)D levels on 104 of the study period after 3 months treatment .

In this measure , Serum 25-Hydroxy Vitamin D3 leveln in each arm were reported after completing the course of the treatment / intervention as per the study protocol. After which, the means were compared for statistical significance between the two groups / arms.

3 months
Serum Chromium Concentration
Délai: 3 months

Evaluation of the Efficacy of the dose (50,000IU) and the dose regimen as per the approved SmPC on improving serum chromium level to be > 0.05 and < 0.5 ppm. which will be assessed by measuring serum chromium level before and after supplementation of Vitamin D3.

In this measure , Serum chromium Concentration in each arm were reported after completing the course of the treatment / intervention as per the study protocol. After which, the means were compared for statistical significance between the two groups / arms.

One of the clinical signs of improving PCOS prognosis is the improvement in serum chromium level . the results will be statistically analyzed using paired student t-test at 95% confidence interval (CI) for the difference of the means within and between the two groups will be calculated.

3 months
Serum Glucose Concentration in Oral Glucose Tolerance Test 1st hr After Treatment
Délai: 3 months

Evaluation of the Efficacy of the dose (50,000IU) and the dose regimen as per the approved SmPC on reduction of insulin resistance and improving insulin sensitivity measuring Oral Glucose Tolerance Test 1st hr after the treatment and to compare with same at baseline point within the time frame.

In this measure , Serum Glucose Concentration in Oral Glucose Tolerance test in each arm were reported after completing the course of the treatment / intervention as per the study protocol (Treatment with either Biodal or Placebo for 3 months). After which, the means were compared for statistical significance between the two groups / arms.

One of the clinical signs of improving PCOS prognosis is the improvement in insulin resistance by evaluating the results of Oral Glucose Tolerance Test 1st hr . the results will be statistically analyzed using paired student t-test at 95% confidence interval (CI).

3 months
Body Mass Index
Délai: 3 months

Evaluation of the Efficacy of the dose (50,000IU) and the dose regimen as per the approved SmPC on reduction of body mass index to be <25-30 kg/m^2.

Evaluation of the Effectiveness of the dose (50,000IU) and the dose regimen as per the approved SmPC on reduction in Body Mass Index before and after the treatment. After which, the means were compared for statistical significance between the two groups / arms.

In this measure , Body Mass Index in each arm were reported after completing the course of the treatment / intervention as per the study protocol (Treatment with either Biodal or Placebo for 3 months).

3 months
Serum Parathyroid Hormone Concentration
Délai: 3 months

Evaluation of the Safety of the Dose and the Dose Regimen as Per the SmPC by measuring the change in the level of serum Serum Parathyroid Hormone (PTH) Concentration before and after the treatment and/or reporting any adverse events through the trial period.

In this measure , Serum Parathyroid Hormone Concentration in each arm were reported after completing the course of the treatment / intervention as per the study protocol (Treatment with either Biodal or Placebo for 3 months). After which, the means were compared for statistical significance between the two groups / arms.

3 months
Serum Calcium Concentration
Délai: 3 months

Evaluation of the safety of the dose and the dose regimen as per the SmPC by measuring the change in the level of serum Calcium before and after the treatment and/or reporting it as adverse. event through the trial period. as the increase of Serum calcium concentration above the normal level is considered as adverse event for the intervention dose regimen of this study for the purpose of evaluating the safety.

In this measure , Serum Calcium Concentration in each arm were reported after completing the course of the treatment / intervention as per the study protocol (Treatment with either Biodal or Placebo for 3 months). After which, the means were compared for statistical significance between the two groups / arms.

3 months
Serum Phosphorous Concentration
Délai: 3 months

Evaluation of the safety of the dose and the dose regimen as per the SmPC by measuring the change in the level of serum PO4 Concentration before and after the treatment and/or reporting as adverse event through the trial period.as the increase of Serum phosphoruse concentration above the normal level is considered as adverse event for the intervention dose regimen of this study for the purpose of evaluating the safety.

In this measure , Serum Phosphorous Concentration in each arm were reported after completing the course of the treatment / intervention as per the study protocol (Treatment with either Biodal or Placebo for 3 months). After which, the means were compared for statistical significance between the two groups / arms.

3 months
Serum C-Reactive Protien Concentration
Délai: 3 months

Evaluation of the Efficacy of the Dose (50,000IU) and the Dose Regimen on inflammation by measuring reduction of the serum concentration of C-Reactive Protein before and after the treatment.

In this measure , Serum C-Reactive Protien Concentration in each arm were reported after completing the course of the treatment / intervention as per the study protocol (Treatment with either Biodal or Placebo for 3 months). After which, the means were compared for statistical significance between the two groups / arms.

3 months

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Les enquêteurs

  • Directeur d'études: ALA M ABU RUQAA, MSC PHARM, HAYAT PHARMACEUTICAL INDUSTRIES CO. PLC

Publications et liens utiles

La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude

1 février 2014

Achèvement primaire (Réel)

1 septembre 2014

Achèvement de l'étude (Réel)

1 décembre 2014

Dates d'inscription aux études

Première soumission

14 décembre 2014

Première soumission répondant aux critères de contrôle qualité

30 décembre 2014

Première publication (Estimation)

31 décembre 2014

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Estimation)

4 août 2016

Dernière mise à jour soumise répondant aux critères de contrôle qualité

23 juin 2016

Dernière vérification

1 juin 2016

Plus d'information

Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .

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