Reproductive Endocrinology Oxford Study (RepOx) (RepOx)

  • STATUS
    Recruiting
  • End date
    Sep 1, 2028
  • participants needed
    1175
  • sponsor
    University of Oxford
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Updated on 24 March 2022
See if I qualify
diabetes
fasting
hyperandrogenism
miscarriage
pregnancy complications

Summary

This is a prospective observational study that aims to identify the underlying mechanisms of PolyCystic Ovarian Syndrome (PCOS) and associated comorbidities such as subfertility, miscarriage; and pregnancy complications such as gestational diabetes mellitus and Intrahepatic cholestasis of pregnancy (ICP). This will be achieved through cross-sectional observation and laboratory analyses.

Description

Here we propose a comprehensive program to dissect the underlying disease-causing mechanisms of PCOS and associated comorbidities. We will investigate how the different layers of biological information (ranging from DNA variant genotyping, to RNA sequencing and proteomics), and clinical characteristics are correlated with each other and how this affects PCOS in fat tissue derived cells, as well as ovarian tissue and tissue derived cells by using a combination of big data analysis, a range of "-omics" technologies, of both in-house generated and publicly available data, paired with state of the art statistical and bioinformatics analysis. Out of these mechanisms and pathways we will identify druggable targets for proposals for detailed functional follow up with an aim of development of novel therapeutic options for PCOS.

Details
Condition Polycystic Ovary Syndrome
Treatment No intervention
Clinical Study IdentifierNCT05177562
SponsorUniversity of Oxford
Last Modified on24 March 2022

Eligibility

 Yes No Not Sure

Inclusion Criteria

● General Criteria for all groups
Participant is willing and able to give informed consent for participation in the study
Female, aged between 16 and 45 years of age. As IVF is not undertaken in women less that 18 years, this group will between 18 and 45 years o
● PCOS (Group 1, 2 and 3)
Currently under investigation for or having diagnosis of PCOS having displayed one or more of the following: Hyperandrogenism, Ovulation Dysfunction and Polycystic ovaries on ultrasound (known as the Rotterdam criteria)
● PCOS Controls (Group 4 and 5)
Patients under gynaecological investigation or having assisted reproduction
Exhibit no features of PCOS
● Miscarriage Group (Group 6)
Have had at least two previous miscarriages
Recruited at any time after their second menstrual cycle following a miscarriage
● Miscarriage Controls (Group 7)
Patients will have had zero or no more than one miscarriage and having fertility investigations
● Pregnant GDM (Group 8)
Pregnant women at least 28 weeks gestation with
) A fasting plasma glucose of 5.1mmol/L or above or
) A 1 hr plasma glucose of 10mmol/L or
) A 2-hr plasma glucose level of 8.5mmol/L or above
● Pregnant ICP (Group 9)
Women at least 28 weeks gestation with
Raised ALT or raised bile acids in the context of pruritus with no rash
ALT (>32iu/l) and bile acids (>14micromol/l) Pregnant Control (Group 10)
Pregnant women at least 28 weeks gestation with no diagnosis of GDM or ICP

Exclusion Criteria

For all groups - The participant may not enter the study if ANY of the following apply
Unable to read, or to understand written or spoken English
Currently involved in any Clinical Trial of an Investigational Medicinal Product (CTIMP)
Undergoing surgery because of a possible cancer diagnosis
Diagnosis of other androgen excess disorders such as Congenital Adrenal Hyperplasia (CAH), Androgen Secreting tumours, Cushing syndrome, or Hyperprolactinemia
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