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GnRH Therapy on Cognition in Down Syndrome

RecruitingPhase 2, Phase 3Ages 16 Years - 50 YearsAllNelly Pitteloud
NCT04390646 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Down syndrome (DS) is the most common chromosomal disorder; with the increasing life expectancy, about 80% of DS adults reach age 65 years old. Early Alzheimer's disease (AD) is the most common cause of death within this population. DS individuals already show AD neuropathology by the age of 30, while it becomes clinically recognized in their late forties. DS subjects also exhibit olfaction defects in adulthood. To date, there is no treatment available for the cognitive or olfactory defects in DS. The development of an effective treatment targeting cognitive dysfunction in DS adolescents/adults would be warranted. GnRH, a decapeptide secreted by hypothalamic neurons is the pilot light of reproduction in all mammals. Pulsatile GnRH acts on the gonadotrophs via the GnRH receptor (GNRHR) in the pituitary gland to stimulate LH and FSH, which themselves will act on the gonads to produce gam

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📋 Eligibility rules (as published)
Inclusion Criteria: * Diagnosis of trisomy 21 * Verbal expression (ability to follow the procedures of the study) * Consent to a non-hormonal contraception during the whole duration of the study For women: intra-uterine device with copper, a prior tubal ligation or condoms for the partner For men: condoms or vasectomy Exclusion Criteria: * Acute illness (clinical or biochemical findings suggesting acute illness/hospitalization) * Chronic alcohol abuse, illicit drug use, anabolic steroid abuse, psychotropic drugs reported by caregivers * Taking medication that modifies hormones: spironolactone, ketoconazole, anticoagulants, corticosteroids, ACTH hormone, psychotropics, including antidepressants, antipsychotics and anticonvulsants. * Known pituitary adenoma and other hormone-dependent tumours * Participation in another clinical study * Intention to become a parent during the course of the study * Females: ovarian cysts, non-hypothalamic anovulation (i.e. polycystic ovary syndrome), pregnancy or lactation * Males: hematocrit \> 54% * Contraindications for MRI (e.g. pacemaker, metal clips,etc) * Participant or his/her legal representative do not want to be informed in case of incidental findings
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What it tests

  • GnRH, gonadorelin acetate
  • 0.9% NaCl
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Where

1 site
Centre Hospitalier Universitaire Vaudois (CHUV)
Lausanne, Switzerland
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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