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临床试验/NCT04010942
NCT04010942已完成4 期

Therapeutic Effect of Vitamin D3 Supplementation to Clomiphene Citrate Resistant Polycystic Ovary Syndrome Women

Ain Shams University1 个研究点 分布在 1 个国家目标入组 120 人开始时间: 2018年4月1日最近更新:
适应症
干预措施
相关药物

试验速览

阶段
4 期
状态
已完成
入组人数
120
试验地点
1
主要终点
Follicle growth and maturation

研究概览

简要总结

This study is determining the therapeutic effect of Vitamin D supplements to Pcos clomiphene resistant polycystic ovarian syndrome Women. Half of patients will receive Vitamin D with metformin while other half metformin only. Then both groups start clomiphene for 3 month

详细描述

Polycystic ovary syndrome (PCOS) is considered one of the most common endocrine disorders affecting women in their reproductive age. Genetically it is thought to be involving defects in primary cellular control mechanisms resulting in expression of chronic anovulation and androgen excess. Being familial condition , some researches showed it is autosomal dominant while others thought it is complex trait with oligogenic basis.

Diagnosing poly cystic ovary syndrome is based on finding two of three criteria according to Rotterdam consensus 2003 : oligo/anovulation, clinical/ biochemical signs of hyperandrogenism, ultrasound finding of polycystic ovaries. While insulin resistance which affects 50 - 70 % of PCOS patients is considered to be the main reason for hyperandrogenic features, PCOS also leads to various health problems including metabolic disorders (obesity - Diabetes Mellitus - Cardiovascular diseases) in addition to menstrual irregularities and infertility .

In PCOS women there is polymorphism in Vitamin-D receptor (VDR) gene associated with vitamin D level in blood . This gene is isolated from the female reproductive organs . In VDR null mice; uterine hypoplasia, impaired folliculogenesis and infertility is noted . That's why it is thought to be contributing in the genomic regulation of reproduction.

Several studies have investigated the effectiveness of Vitamin D supplementation to PCOS women they found that PCOS women have hypovitaminosis D3 , with increasing evidence that vitamin D affects insulin and glucose metabolism . vitamin D intake in PCOS women may improve hormonal profiles in addition to having anti-inflammatory and anti-oxidant effects . Another study concluded that Vitamin D and calcium supplementation to PCOS women have a positive effect on BMI, follicular maturation, regularity of menses, androgen related symptoms, infertility and insulin resistance . Moreover, Vitamin D has a crucial role in ovulation induction in women with PCOS.

Vitamin D and calcium in combination with metformin have significant effect on menstrual regulation and follicular development.

研究设计

研究类型
Interventional
分配方式
Randomized
干预模型
Parallel
主要目的
Treatment
盲法
None

入排标准

年龄范围
20 Years 至 35 Years(Adult)
性别
Female
接受健康志愿者

入选标准

  • Diagnosis of PCOS as defined by the Rotterdam criteria
  • Females age 20-35 years old
  • BMI 18-30 kg/m2
  • 1ry or secondary infertility
  • Clomiphene resistant ( patients didn't - show response: ovulate to dose of 200 mg clomid per day for 3 cycles )
  • Willingness to comply with study protocol for 5 months
  • Willingness to give written informed consent to participate in the study

排除标准

  • Previous metformin intake
  • ovarian drilling
  • tubal factor as evidenced by hysterosalpingogram or laparoscope
  • endometrial pathology ex., polyp
  • Myometrial pathology ex., adenomyosis or fibroid
  • abnormal semen parameters
  • Cushing syndrome
  • Hyperprolactinemia
  • Adrenal secreting tumor

研究组 & 干预措施

Vitamin D

Active Comparator

Group V : number of 60 women will receive 100000 IU Cholecalciferol Intramuscular every month + 2000 mg Metformin (oral: 2 tablets 1000 per day) for 5 months .

-after two months from the start:

Clomiphene citrate 100mg (2 tablets clomid 50mg each per day,from 2nd to 6th day of the cycle ) will be added every month starting from the 3rd month to the 5th month .

干预措施: Vit D (Drug)

Vitamin D

Active Comparator

Group V : number of 60 women will receive 100000 IU Cholecalciferol Intramuscular every month + 2000 mg Metformin (oral: 2 tablets 1000 per day) for 5 months .

-after two months from the start:

Clomiphene citrate 100mg (2 tablets clomid 50mg each per day,from 2nd to 6th day of the cycle ) will be added every month starting from the 3rd month to the 5th month .

干预措施: Metformin (Drug)

Vitamin D

Active Comparator

Group V : number of 60 women will receive 100000 IU Cholecalciferol Intramuscular every month + 2000 mg Metformin (oral: 2 tablets 1000 per day) for 5 months .

-after two months from the start:

Clomiphene citrate 100mg (2 tablets clomid 50mg each per day,from 2nd to 6th day of the cycle ) will be added every month starting from the 3rd month to the 5th month .

干预措施: Clomiphene (Drug)

Control

Placebo Comparator

Group C: number of 60 patients will receive Metformin 2000mg (oral: 2 tablets1000 mg per day) for months .

-after two months from the start:

Clomiphene citrate 100mg (2 tablets clomid 50mg each per day, from 2nd to 6th day of the cycle ) will be added every month starting from the 3rd month to the 5th month .

干预措施: Metformin (Drug)

Control

Placebo Comparator

Group C: number of 60 patients will receive Metformin 2000mg (oral: 2 tablets1000 mg per day) for months .

-after two months from the start:

Clomiphene citrate 100mg (2 tablets clomid 50mg each per day, from 2nd to 6th day of the cycle ) will be added every month starting from the 3rd month to the 5th month .

干预措施: Clomiphene (Drug)

结局指标

主要结局

Follicle growth and maturation

时间窗: 11days

Transvaginal ultrasound will be done every 48 hours at the start from day 10 of the cycle to assess if the follicle reaches 17-19 mm

Change in Follicle growth and maturation at 3rd month

时间窗: 11 days

Transvaginal ultrasound will be done every 48 hours at the start from day 10 of the cycle to assess if the follicle reaches 17-19 mm

Change in Follicle growth and maturation at 5th month

时间窗: 11 days

Transvaginal ultrasound will be done every 48 hours at the start from day 10 of the cycle to assess if the follicle reaches 17-19 mm

次要结局

  • Occurence of Chemical pregnancy occurence(recorded at any time point during the study whenever occurs up to 5 months)

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

Sara Abouelfath Abouelasrar Gad Dawoud

Doctor

Ain Shams University

研究点 (1)

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