Protocol summary

Summary
objective: The aim of this study is to determine the effects of vitamin D supplementation on anthropometric indices and androgen hormones in women with polycystic ovary syndrome treated with low calorie diet. Study design: Parallel double-blind(both patients and researchers) randomized controlled clinical trial. In this study 60 overweight and obese polycystic ovary syndrome women with vitamin D deficiency referred to Izady hospital in Qom city will be selected. Patients will be assigned into two groups to receive vitamin D with dosage of 50000 IU/week (n=30) or placebo (n=30). Patients in Both groups will be received low calorie diet (An average of 500 kcal). Vitamin D supplements and placebos pill are similar in shape and size. Patients were advised to continue physical activity habits without any changes during intervention. Before intervention and after 12 weeks participants will be evaluated for anthropometric indices, body composition analysis and androgenic profile.

General information

Acronym
IRCT registration information
IRCT registration number: IRCT2016062710826N19
Registration date: 2016-12-08, 1395/09/18
Registration timing: retrospective

Last update:
Update count: 0
Registration date
2016-12-08, 1395/09/18
Registrant information
Name
Azadeh Nadjarzadeh
Name of organization / entity
Shahid Sadoughi University of Medical Sciences
Country
Iran (Islamic Republic of)
Phone
+98 912 202 2817
Email address
azadnajarzadeh@ssu.ac.ir
Recruitment status
Recruitment complete
Funding source
Shahid Sadoughi University of Medical Sciences
Expected recruitment start date
2016-09-22, 1395/07/01
Expected recruitment end date
2016-11-21, 1395/09/01
Actual recruitment start date
empty
Actual recruitment end date
empty
Trial completion date
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Scientific title
The effect of vitamin D supplementation on anthropometric indices and androgen hormones in women with polycystic ovary syndrome treated with low calorie diet
Public title
effect of Supplementation in combination with diet therapy in treatment of polycystic ovary syndrome
Purpose
Treatment
Inclusion/Exclusion criteria
Inclusion criteria: aged 18-40 years old, Patients with PCOS according to Rotterdam criteria, BMI between 25 to 40, Serum vitamin D levels less than 20 ng /ml, not using weight loss diet and vitamin D supplement Over the last 3 months, not using hormone therapy, not using certain drugs including Weight loss drugs and multivitamin supplements mineral, not smoking, not doing heavy and professional exercise. Exclusion criteria: individuals with diabetes, Cardiovascular disease, Liver, kidney, thyroid and para- thyroid, Cushing's syndrome, osteomalacia, changes in physical activity, Non-compliance with diet and supplementation
Age
From 18 years old to 40 years old
Gender
Female
Phase
2
Groups that have been masked
No information
Sample size
Target sample size: 60
Randomization (investigator's opinion)
Randomized
Randomization description
Blinding (investigator's opinion)
Double blinded
Blinding description
Placebo
Used
Assignment
Parallel
Other design features
Randomization will be done by the use of computer-generated random numbers.

Secondary Ids

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Ethics committees

1

Ethics committee
Name of ethics committee
Ethics committee of Shahid Sadoughi University of Medical Sciences Yazd
Street address
Shahid Sadoughi University of Medical Sciences, alem square
City
Yazd
Postal code
8915173160
Approval date
2016-02-16, 1394/11/27
Ethics committee reference number
IR.SSU.SPH.REC.1394.101

Health conditions studied

1

Description of health condition studied
Polycystic ovary syndrome
ICD-10 code
E28.2
ICD-10 code description
Sclerocystic ovary syndrome، Stein-Leventhal syndrome

Primary outcomes

1

Description
ِDHEA ( Dehydroepiandrosterone sulfate)
Timepoint
Before intervention and 12 weeks after intervention
Method of measurement
Elisa method

2

Description
Total testosterone
Timepoint
Before intervention and 12 weeks after intervention
Method of measurement
Elisa method

3

Description
SHBG (sex hormone-binding globulin )
Timepoint
Before intervention and 12 weeks after intervention
Method of measurement
Elisa method

4

Description
percent of body fat, percent of free fat mass
Timepoint
Before intervention and 12 weeks after intervention
Method of measurement
Body composition device

Secondary outcomes

1

Description
Free androgen index
Timepoint
Before intervention and 12 weeks after intervention
Method of measurement
Total testosterone/ SHBG

2

Description
Weight
Timepoint
Before intervention and 12 weeks after intervention
Method of measurement
OMRON scale with an accuracy of 0.1kg

3

Description
Body Mass Index
Timepoint
Before intervention and 12 weeks after intervention
Method of measurement
weight/ height*height

4

Description
Waist circumference
Timepoint
Before intervention and 12 weeks after intervention
Method of measurement
By meter in cm

5

Description
Hip circumference
Timepoint
Before intervention and 12 weeks after intervention
Method of measurement
By meter in cm

6

Description
25OHD (25-hydroxy vitamin D)
Timepoint
Before intervention and 12 weeks after intervention
Method of measurement
Elisa method

Intervention groups

1

Description
Intervention group: Vitamin D supplements, 50000 IU, weekly, for 12 weeks orally.
Category
Treatment - Other

2

Description
Control group: Placebo,weekly for 12 weeks orally
Category
Placebo

Recruitment centers

1

Recruitment center
Name of recruitment center
izadi hospital
Full name of responsible person
samira jafari
Street address
alley 12, golestan avenue, amin boulevard
City
Qom

Sponsors / Funding sources

1

Sponsor
Name of organization / entity
Vice chancellor for research،Sahid Sadoughi University of Medical Sciences Yazd
Full name of responsible person
Dr amirhoushang mehrparvar
Street address
Shahid Sadoughi University of Medical Sciences,alem square
City
Yazd
Grant name
Grant code / Reference number
Is the source of funding the same sponsor organization/entity?
Yes
Title of funding source
Vice chancellor for research،Sahid Sadoughi University of Medical Sciences Yazd
Proportion provided by this source
100
Public or private sector
empty
Domestic or foreign origin
empty
Category of foreign source of funding
empty
Country of origin
Type of organization providing the funding
empty

Person responsible for general inquiries

Contact
Name of organization / entity
Shahid Sadoughi University of Medical Sciences
Full name of responsible person
samira jafari sfidvajani
Position
MSc student of Nutrition
Other areas of specialty/work
Street address
alley 12, golestan avenue, amin boulevard
City
Qom
Postal code
3716698988
Phone
+98 25 3292 5181
Fax
Email
samira.jafari67@gmail.com
Web page address

Person responsible for scientific inquiries

Contact
Name of organization / entity
Shahid Sadoughi University of Medical Sciences
Full name of responsible person
azadeh najarzadeh
Position
PhD in Nutrition
Other areas of specialty/work
Street address
Shahid Sadoughi University of Medical Sciences, alem square
City
Yazd
Postal code
8915173160
Phone
+98 35 3820 9130
Fax
Email
azadehnajarzadeh@gmail.com
Web page address

Person responsible for updating data

Contact
Name of organization / entity
Shahid Sadoughi University of Medical Sciences
Full name of responsible person
samira jafari sfidvajani
Position
MSc student of Nutrition
Other areas of specialty/work
Street address
alley 12, golestan avenue, amin boulevard
City
Qom
Postal code
3716698988
Phone
+98 25 3292 5181
Fax
Email
samira.jafari67@gmail.com
Web page address

Sharing plan

Deidentified Individual Participant Data Set (IPD)
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Study Protocol
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Statistical Analysis Plan
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Informed Consent Form
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Clinical Study Report
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Analytic Code
empty
Data Dictionary
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