NL-OMON45361招募中不适用
Visual Snow: Studying the visual snow phenotype and shared mechanisms with migraine pathophysiology - SNOW Study
eurologie0 个研究点目标入组 250 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
- 招募中
- 发起方
- 入组人数
- 250
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Observational
入排标准
- 年龄范围
- 18 至 64（—）
入选标准
- •* Age *18 years (and <50 for those participating in MRS)
- •* Ability and willingness to provide written informed consent;Visual snow syndrome
- •* Visual disturbances suggestive of visual snow (for detailed clinical description)
- •* Clinical diagnosis of the visual snow syndrome (for case-control measurements);HPPD
- •* Continuous visual disturbances that started after drug intoxication (for detailed clinical description)
- •* Clinical diagnosis of visual snow starting after drug use (for case-control measurements) ;Migraine patients with frequent auras
- •* Meeting diagnostic criteria for migraine with aura (ICHD-III beta)
- •* At least one visual migraine aura per month (average of the past 6 months)
- •* For clinical description patients with atypical visual auras (visual symptoms mimicking visual snow description, visual auras longer than 1 hour) can also be included. For case-control measurement we aim for a homogenous study group and atypical auras are therefore excluded.;Tinnitus
- •* Daily complaints of tinnitus;Healthy controls
- •* See exclusion criteria
排除标准
- •General exclusion criteria for those willing to participate in case-control measurements
- •* Subjects who do not want to be informed about unexpected findings that are considered serious and have prognostic or therapeutic consequences
- •* Schizophrenia, bipolar disorder, other psychotic disorders in medical history or current clinical suspicion of psychosis (delusions)
- •* Malignancy in medical history
- •* Central nervous system disease in medical history (other than migraine)
- •* For those participating in MRS: Pacemaker or ICD, Metal implants which cannot be removed, Pregnancy, Claustrophobia;Visual snow
- •* Underlying neurological disorder or ophthalmological disorder explaining symptoms (for case-control measurements only (3.2), not an exclusion criterion for clinical description (3.1)) ;HPPD
- •* Underlying neurological disorder or ophthalmological disorder explaining symptoms (for case-control measurements only (3.2), not an exclusion criterion for clinical description (3.1))
- •* Clinical suspicion that visual symptoms are part of psychosis, delirium, neurodegenerative disease or hypnopompic hallucinations ;Migraine patients with frequent auras
- •* Meeting criteria for any other (comorbid) headache disorder except for tension type headache
- •* Clinical suspicion that patient has Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL; often presents with frequent auras) or any other hereditary cerebral amyloid angiopathy
- •* (History of) ophthalmological disease other than refraction error
- •* (History of) chronic tinnitus;Tinnitus patients
- •* Any symptoms of migraine, cluster headache, chronic tension type headache or medication overuse headache
- •* (History of) ophthalmological disease other than refraction error;Healthy controls
- •* Any symptoms of migraine, cluster headache, chronic tension type headache or medication overuse headache
- •* (History of) ophthalmological disease other than refraction error
- •* (History of) chronic tinnitus
研究者
相似试验
进行中（未招募）
不适用
Neurofeedback in Visual SnowVisual Snow SyndromeNeuro-OphthalmologyNCT04902365University of Zurich70
招募中
Unknown
A study of visual beauty perceptioBeauty Perception.IRCT20240218061041N1Ferdowsi University of Mashhad35
尚未招募
不适用
MBCT-vision VSS RCTVisual Snow SyndromeNCT06018103Guy's and St Thomas' NHS Foundation Trust60
已完成
不适用
A study of visual cognitioJPRN-UMIN000034748ational Institutes for Quantum and Radiological Science and Technology60
招募中
不适用
A Pilot Study to Investigate Whether Visual Cues Assist the Elderly to Understand Imaginary Falls Scenarios.Elderly Rehabilitation Inpatients admitted due to any medical conditionPhysical Medicine / Rehabilitation - Other physical medicine / rehabilitationACTRN12606000097549Steven McPhail12