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- Klinische proef NCT02434562
Development and Validation of in Vitro Cell-based Bioassays for Nuclear Receptor Activation
Development and Validation of in Vitro Cell-based Bioassays for Nuclear Receptor Activation by Human Serum
Studie Overzicht
Toestand
Conditie
Interventie / Behandeling
Gedetailleerde beschrijving
In vitro cell-based bioassays may be a technique to measure serum androgen or estrogen bioactivity. In this study investigators are collecting serum (and if possible, urine) samples from different cohorts of patients, before and/or after treatment.
The aim is to measure androgens, estrogens and SHBG as well as in vitro bioactivity with newly developed cell-based bioassays, and to compare different techniques to each other as well as to clinical endpoints available in the patient's Electronic Health Record.
Studietype
Inschrijving (Werkelijk)
Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Kind
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Bemonsteringsmethode
Studie Bevolking
Beschrijving
Inclusion Criteria:
- Known or expected medical condition affecting androgens, estrogens or SHBG
Exclusion Criteria:
- Inability to provide written informed consent
- Known or suspected bloodborne infectious diseases (e.g. HIV, viral hepatitis etc.)
- Anemia (<11 g/dL hemoglobin) or being a Jehovah's Witness
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
Cohorten en interventies
Groep / Cohort |
Interventie / Behandeling |
|---|---|
|
Medical castration
Patients treated with androgen deprivation therapy (e.g. for hypersexuality, transgender subjects, ...)
|
|
|
Male hypogonadism
Patients treated with testosterone replacement therapy (e.g. for late-onset hypogonadism, secondary hypogonadism)
|
|
|
Thyroid disorders
Patients treated for hyperthyroidism or hypothyroidism (incl.
during treatment for thyroid cancer)
|
|
|
Obesity and weight loss
Patients treated for obesity with weight loss interventions (mainly bariatric surgery)
|
|
|
Miscellaneous
Various disorders associated with alterations in SHBG, androgens and/or estrogens
|
Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
|---|---|
|
Testosterone bioequivalents (in nanomolar)
Tijdsspanne: second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
|
Estradiol bioequivalents (in picomolar)
Tijdsspanne: second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Calculated free and bioavailable testosterone (in nanomolar)
Tijdsspanne: second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
|
|
Calculated free and bioavailable estradiol (in picomolar)
Tijdsspanne: second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
|
|
Total serum testosterone (in nanomolar)
Tijdsspanne: second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
Measured by immunoassay or liquid chromatography tandem mass spectrometry (LC-MS/MS)
|
second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
|
Total serum estradiol (in picomolar)
Tijdsspanne: second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
Measured by immunoassay or LC-MS/MS
|
second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
|
Total serum SHBG (in nanomolar)
Tijdsspanne: second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
Measured by immunoassay
|
second blood sample at time of clinical follow-up (between 3 weeks and 1 year interval)
|
Medewerkers en onderzoekers
Onderzoekers
- Hoofdonderzoeker: Dirk Vanderschueren, MD, PhD, UZ Leuven
Publicaties en nuttige links
Studie record data
Bestudeer belangrijke data
Studie start
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Schatting)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- s54034
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