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临床试验/NL-OMON22035
NL-OMON22035已完成不适用

euro-cognitive effects of tyrosine supplementation in older adults

Donders Institute for Brain, Cognition and Behaviour0 个研究点目标入组 26 人开始时间: 待定最近更新:
适应症

试验速览

阶段
不适用
状态
已完成
发起方
入组人数
26

研究概览

简要总结

暂无简介。

研究设计

研究类型
Interventional

入排标准

入选标准

  • In order to be eligible to participate in this study, subjects must meet all of these criteria:
  • - Age: 60-75 years old (similar to other studies, for review (Turner & Spreng, 2012))
  • - Dutch as a mothertongue
  • - Right-handed
  • - Willing to perform tasks in the MRI scanner, to come to the centre on three occasions, consuming tyrosine or a placebo and willing to fast the night before the two test sessions.

排除标准

  • A potential subject who meets any of the following criteria will be excluded from participation in this study :
  • - Clinical dementia as measured by Mini Mental State Examination score < 24)
  • - Severe depression or anxiety as measured by HADS score > 11
  • - Estimated IQ < 85 (based on Nederlandse Leestest voor Volwassenen (NLV) -score) - (History of) clinically significant psychiatric disorder - (History of) clinically significant neurological disorder, such as brain infarct, Parkinson’s Disease, chronic migraine, Diabetes Mellitus
  • - First degree family history of schizophrenia, bipolar disorder or major depressive disorder
  • - Thyroid problems and low-protein diet
  • - Endocrine or metabolic disorders such as hepatic or renal problemsUnder treatment for cardiac or vascular diseases and use medication for these conditions;
  • - abnormal blood pressure < 90/60mmHg or > 160/90 mmHg (to be determined during the intake session)
  • - Using medication that can interfere with tyrosine’s action; monoamine oxidase inhibitors and other antidepressants, sympathomimetic amines, and opioids
  • - General medical conditions, such as repetitive strain injury (RSI) or sensori-motor handicaps, blindness or colorblindness, as judged by the investigator
  • - (History of) abuse of drugs or alcohol - Habitual smoking, i.e. more than a pack of cigarettes per week - Participation, current or within the past twelve months, in a specific cognitive training study or previous study using the same paradigm as the current study
  • - Contra-indications for MRI:
  • o Metal objects or fragments in the body that cannot be taken out
  • o Active implants in the body
  • o Using medical plasters
  • o Previous head surgery
  • o Claustrophobia

研究者

发起方
Donders Institute for Brain, Cognition and Behaviour

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