Development and Validation of in Vitro Cell-based Bioassays for Nuclear Receptor Activation
2017年1月23日 更新者：Universitaire Ziekenhuizen KU Leuven
Development and Validation of in Vitro Cell-based Bioassays for Nuclear Receptor Activation by Human Serum
This is a prospective biobank set up to collect serum from patients with disorders associated with changes in androgens, estrogens or sex hormone-binding globulin (SHBG), before and/or after treatment.
研究概览
详细说明
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.
研究类型
观察性的
注册 (实际的)
73
参与标准
研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。
资格标准
适合学习的年龄
- 孩子
- 成人
- 年长者
接受健康志愿者
是的
有资格学习的性别
全部
取样方法
非概率样本
研究人群
Patients in the department of Endocrinology/Andrology, Urology and Oncology
描述
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
学习计划
本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。
研究是如何设计的？
设计细节
队列和干预
团体/队列 |
干预/治疗 |
|---|---|
|
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
|
研究衡量的是什么？
主要结果指标
结果测量 |
大体时间 |
|---|---|
|
Testosterone bioequivalents (in nanomolar)
大体时间：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)
大体时间：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)
|
次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Calculated free and bioavailable testosterone (in nanomolar)
大体时间：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)
大体时间：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)
大体时间：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)
大体时间：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)
大体时间：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)
|
合作者和调查者
在这里您可以找到参与这项研究的人员和组织。
调查人员
- 首席研究员：Dirk Vanderschueren, MD, PhD、UZ Leuven
出版物和有用的链接
负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。
研究记录日期
这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。
研究主要日期
学习开始
2012年4月1日
初级完成 (实际的)
2016年9月1日
研究完成 (实际的)
2016年9月30日
研究注册日期
首次提交
2015年4月30日
首先提交符合 QC 标准的
2015年5月4日
首次发布 (估计)
2015年5月5日
研究记录更新
最后更新发布 (估计)
2017年1月25日
上次提交的符合 QC 标准的更新
2017年1月23日
最后验证
2016年5月1日
更多信息
此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.