Infertility, Female Clinical Trial
— MinipubertyOfficial title:
Turner Syndrome Minipuberty Study A Prospective, Descriptive Cohortstudy
Rationale: Due to accelerated germ cell loss, infertility is a major problem in girls with Turner syndrome (TS). Therefore, cryopreservation of ovarian tissue or oocytes before exhaustion of the ovarian reserve may preserve fertility in patients with TS. However, in the majority of females with TS , the ovarian reserve is exhausted before the age of menarche. Early markers indicating and predicting the ovarian reserve are necessary. During mid-childhood the hypothalamic-pituitary-gonadal (HPG) axis is quiescent and gonadotropins are usually unmeasurable. Nonetheless, this axis is active during infancy. Therefore, gonadotropins are measurable with peak values at 3 months of age and with lower (but still measurable) values at 9 months of age, in a period called the minipuberty. The aim of this study is to find markers of ovarian capacity, during the minipuberty, in order to predict ovarian reserve in the future. Objective: The hormonal range of LH, FSH, AMH, inhibin B, testosterone and estradiol in girls with TS during the minipuberty and the relation of the hormone serum levels with the karyotype. Study design: A prospective, cohort study with a duration of 3 years. Study population: Girls with a pre- or perinatal diagnosis TS who are born in a medical centre in the Netherlands during the duration of the study Main study parameters/endpoints: Serum levels of FSH, LH, AMH, inhibin B, testosterone and estradiol at the age of 3 and 9 months.
Status | Recruiting |
Enrollment | 30 |
Est. completion date | December 1, 2024 |
Est. primary completion date | December 1, 2024 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 1 Month to 3 Months |
Eligibility | Inclusion Criteria: In order to be eligible to participate in the TS group of this study, a subject must meet all of the following criteria: - A diagnosis of TS before the age of three months; - Girls with a diagnosis of classic TS or other variants (i.e. 45,X, 45,X/46XiXq, 45,X/46,XY, 45,X/46,XX, 45,X/47,XXX, 45,X/46,X,r(X), 46,XiXq, other); - Whose parents have agreed to participate in the study through a signed written informed consent form. In order to be eligible to participate in the control group of this study, a subject must meet all of the following criteria: - No diagnosis of TS or any other diagnosis that might affect the HPG axis; - Girls that will have a blood collection within their usual care at 3 months and at 9 months of age. - Whose parents have agreed to participate in the study through a signed informed consent form. Exclusion Criteria: A potential subject who meets any of the following criteria will be excluded from participation in this study: - Any other diagnosis besides TS that might affect the HPG axis; - Ovarian surgery in the medical history; - Critical illness; - The use of medication affecting the HPG axis (e.g. estrogen suppletion therapy) |
Country | Name | City | State |
---|---|---|---|
Denmark | Righospitalet, University of Copenhagen | Copenhagen | |
Germany | Universitätsklinikum der Ruhr-Universität Bochum | Bochum | |
Germany | Justus-Liebig Universität Giessen | Gießen | |
Germany | Universitätsklinikum Tübingen | Tübingen | |
Netherlands | Amsterdam University medical center | Amsterdam | |
Netherlands | University medical center Groningen | Groningen | |
Netherlands | Leiden University medical center | Leiden | |
Netherlands | Maastricht University medical center | Maastricht | |
Netherlands | Radboud University Medical Center | Nijmegen | Gelderland |
Netherlands | Erasmus University medical center | Rotterdam | |
Netherlands | University medical Center Utrecht | Utrecht | |
Poland | Medical university of Silesia | Katowice | |
Sweden | University hospital of Umea | Umeå |
Lead Sponsor | Collaborator |
---|---|
Radboud University Medical Center |
Denmark, Germany, Netherlands, Poland, Sweden,
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* Note: There are 11 references in all — Click here to view all references
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Defining the LH range in blood during minipuberty in girls with TS at 3 months of age and at 9 months of age | LH (luteinizing hormone) will be collected with a venapuncture and analysed with the Elecsys method on the Cobas E801system of Roche. | 1 year after venapuncture | |
Primary | Defining the FSH range during minipuberty in girls with TS at 3 months of age and at 9 months of age | FSH (follicle stimulating hormone) will be collected with a venapuncture and analysed with the Elecsys method on the Cobas E801system of Roche. | 1 year after venapuncture | |
Primary | Defining the AMH range during minipuberty in girls with TS at 3 months of age and at 9 months of age | AMH (Anti-Müllerian hormone) will be collected with a venapuncture and analysed on the Access of Beckman Coulter. | 1 year after venapuncture | |
Primary | Defining the estradiol range during minipuberty in girls with TS at 3 months of age and at 9 months of age | estradiol will be collected with a venapuncture and analysed with the LCMSMS analysis method. | 1 year after venapuncture | |
Primary | Defining the testosterone range during minipuberty in girls with TS at 3 months of age and at 9 months of age | testosterone will be collected with a venapuncture and analysed with the LCMSMS analysis method. | 1 year | |
Primary | Defining the inhibin B range during minipuberty in girls with TS at 3 months of age and at 9 months of age | inhibin B will be collected with a venapuncture and analysed with the GEN II ELISEA of Beckman Coulter. | 1 year after venapuncture | |
Secondary | Patient's karyotype vs LH | The association between patient's karyotype and LH level at 3 months of age and 9 months of age | 1 year after venapuncture | |
Secondary | Patient's karyotype vs FSH | The association between patient's karyotype and FSH level at 3 months of age and 9 months of age | 1 year after venapuncture | |
Secondary | Patient's karyotype vs AMH | The association between patient's karyotype and AMH level at 3 months of age and 9 months of age | 1 year after venapuncture | |
Secondary | Patient's karyotype vs estradiol | The association between patient's karyotype and estradiol level at 3 months of age and 9 months of age | 1 year after venapuncture | |
Secondary | Patient's karyotype vs testosterone | The association between patient's karyotype and testosterone level at 3 months of age and 9 months of age | 1 year after venapuncture | |
Secondary | Patient's karyotype vs inhibin B | The association between patient's karyotype and inhibin B level at 3 months of age and 9 months of age | 1 year after venapuncture |
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