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To determine if Inositol, a dietary supplement, will improve ovarian and adrenal androgen excess in women with Polycystic Ovarian Syndrome(PCOS).
To compare metformin with pioglitazone in improving menstrual irregularities and hyperandrogenism in women with PCOS so that an alternate and better treatment option will be available for hyperinsulinemia in pcos patients.
The Offspring Born to Mothers with Polycystic Ovary Syndrome in Guangzhou Cohort study (PCOS-BIG) was established to investigate the short- and long-term effects of intrauterine exposure to maternal PCOS on the health of offspring in Guangzhou, China. Data are collected regarding maternal PCOS subtypes, nursing, diet and education as well as health outcomes in their later life. Biological samples including blood and tissue samples are also collected from participants.
Women with PCOS suffer from anovulation and, as a result, infertility. Efforts to clinically induce ovulation in these women using follicle stimulating hormone (FSH) administered subcutaneously seemingly requires prolonged administration compared to that of ovulatory women without PCOS. The apparent differing ovarian responsiveness to FSH between PCOS and normal women has not been carefully studied. We propose to address this issue by performing a dose-response study and examine ovarian follicle (estrogen, E2) responses to FSH administered subcutaneously in women with PCOS compared to responses observed in normal women.
The purpose of this study is to characterize the hormonal status in fertile women undergoing laparoscopic gastric bypass, pre- and postoperatively, and evaluate if there is a correlation between health-related quality of life and proposed hormone changes post-operatively.
Hormonal evaluation of women who are suspected of having Polycystic ovary syndrome (PCOS) involves the measurement of basal levels of androgens and 17-hydroxyprogesterone (17-OHP), which are generally used to establish the presence of hyperandrogenemia. In general, these levels are obtained during the follicular phase to maintain sampling uniformity and avoid spurious increases due to corpus luteum function. However, because most hyperandrogenic patients are oligo/amenorrheic, it is frequently necessary to administer a progestogen to induce withdrawal bleeding and properly time the blood sampling. Several medications have been described to properly induce withdrawal bleeding , with medroxyprogesterone acetate (MPA) being the most widely use. However, synthetic compounds as MPA do not replicate precisely the constellation of biologic activities of the parent hormone and results in a temporary, albeit clinically relevant, suppression in ovarian function and circulating androgen levels , in addition of several adverse side effects . In this study, it is hypothesized that the administration of natural progesterone vaginally, which will avoid hepatic first pass, may result in significantly less hormonal suppression. The authors test this hypothesis by prospectively determining the effect of vaginal micronized progesterone (OMP), administered for the induction of withdrawal bleeding, on the circulating androgen and 17-OHP levels in women with PCOS.
The purpose of this study is to determine if, in mid- to late pubertal girls with hyperandrogenism, androgen-receptor blockade (spironolactone) improves the ability of progesterone to acutely reduce waking luteinizing hormone pulse frequency (primary endpoint).
The aim of our study is to investigate the effects of a combined treatment of alpha-lipoic acid and myoinositol on clinical, endocrine and metabolic features of women affected by PCOS. The study Group included 40 patients treated with a combined therapy of alpha-lipoic acid (800 mg), myoinositol (2000 mg) and folic acid (400 mcg) daily for six months. The investigation includes menstrual pattern, hirsutism score, hormonal assays, oral glucose tolerance test, lipidic profile at baseline and after six months of treatment.
The hypothesis is that acupuncture is equally effective as metformin (both treatments combined with lifestyle management) in improving whole body glucose homeostasis in insulin resistant women with polycystic ovary syndrome (PCOS), and that both are superior to lifestyle management alone. The investigators hypothesize that acupuncture and metformin induce ovulation and improve hyperandrogenism, as well as health related quality of life (HRQoL) and symptoms of anxiety and depression. Although equally effective (acupuncture and metformin), the investigators hypothesize that acupuncture is associated with less negative side-effects. The investigators also hypothesize that these treatments have the potential to restore epigenetic and molecular alterations in target tissues (endometrial-, adipose-, and skeletal muscle tissue) and thus have the potential to prevent the development of type 2 diabetes (T2D).
Polycystic ovary syndrome (PCOS) is a common disorder marked by hyperandrogenism, oligo-/anovulation, and subfertility. The precise causes of PCOS are unclear, but the pathophysiology involves complex genetic and environmental influences. Importantly, not all girls with obesity have HA, and free testosterone (T) concentrations are highly variable in this group. Luteinizing hormone (LH) and insulin concentrations are significant but only partial predictors of free T in girls with obesity; significant unexplained variability in free T suggests that additional factors contribute to HA in this population. Abnormalities of ovarian and adrenal steroidogenesis are likely contributors in this regard, but such abnormalities are difficult to quantify. Recent Genome Wide Association Studies have identified DENND1A as a PCOS susceptibility gene candidate. Preliminary in vitro data strongly implicate a DENND1A splice variant called DENND1A Variant 2 (DENND1A.V2) as a contributor to excessive theca cell androgen production in PCOS. The investigators' primary goal with the proposed pilot study is to determine the relationship between urinary exosomal DENND1A.V2 mRNA and free T concentrations in peripubertal girls. The investigators hypothesize that urinary exosomal DENND1A.V2 mRNA quantity is a significant and independent predictor of peripubertal hyperandrogenemia. In this study, the investigators will carefully phenotype peripubertal girls with and without hyperandrogenemia (primarily in the form of hormonal, maturational, and anthropometric measurements) in addition to measuring urinary exosomal DENND1A.V2 mRNA. As a primary analysis, the investigators will examine the relationship between morning free testosterone and urinary exosomal DENND1A.V2, controlling for previously-described partial predictors of free testosterone (LH, insulin) in addition to potential confounders (BMI z-score, bone age). These studies will provide important information regarding the etiology of HA in peripubertal girls. Ultimately, these data may lead to a non-invasive test of ovarian/adrenal steroidogenic activity and support the development of a diagnostic test for PCOS in high-risk peripubertal girls (e.g., those with obesity).