SLCTR/2023/004招募中4 期
Acute effects of L-theanine and caffeine combination on selective attention in adolescents with attention deficit hyperactivity disorder
Faculty of Medicine, University of Peradeniya.0 个研究点目标入组 42 人开始时间: 待定最近更新:
适应症
试验速览
- 阶段
- 4 期
- 状态
- 招募中
- 发起方
- 入组人数
- 42
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
- •Participants must meet all of the inclusion criteria given in order to be eligible to participate in the study
- •1. Patients diagnosed with attention deficit hyperactive disorder by a psychiatrist.
- •2. 10-19 years old, boys and girls
- •3. Patients who have responded to methylphenidate.
- •4. Normal, or corrected-to-normal vision and normal hearing.
排除标准
- •All individuals meeting any of the exclusion criteria at baseline will be excluded from study participation
- •1.Gross impairment of vision or hearing that would prevent the participants from performing neuropsychological tasks
- •2.Inability to read and follow written instructions
- •3.Physical, neurological or concurrent psychiatric impairments (except ADHD) that could affect cognitive and motor functions
- •4.Intake of psychoactive substances which have the potential to affect cognitive functions and those which may interact with caffeine (other than their medications for ADHD)
- •5.Current / past diagnosis of tics or other forms of dyskinesia
- •6.Regular intake of medication that could alter visual, auditory, cognitive or motor functions (except stimulants)
- •7.History of head injury that resulted in loss of consciousness / history of brain surgery
- •8.Intake of drugs containing caffeine, other phosphodiesterase inhibitors or adenosine receptor blockers within the past 3 months
- •9.Intake of medications which are known to have pharmacological interactions with caffeine within the past 3 months
- •10.History of development of headache, drowsiness, anxiety, insomnia or nausea following intake of caffeine or caffeine containing beverages
- •11.Current / past history of smoking and / or alcohol or drug abuse
- •12.Unwillingness or inability to entirely refrain from use of electronic devices during study visits
- •13.Unwillingness or inability to refrain from intake of L-theanine and caffeine containing food or beverages within the 24 hours prior to each study visit
- •14.Unwillingness or inability to follow written, on-screen and verbal instructions given by the study team
研究者
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