[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100528465":3},{"organization":4,"armGroups":7,"interventions":27,"overallOfficials":33,"centralContacts":38,"locations":48,"responsibleParty":64,"collaborators":68,"id":72,"slug":12,"hasResults":73,"nctId":74,"briefTitle":75,"officialTitle":76,"acronym":77,"eligibilityCriteria":78,"healthyVolunteers":79,"sex":80,"minAge":81,"maxAge":12,"enrollmentInfo":82,"targetDuration":12,"studyType":85,"phases":86,"briefSummary":88,"conditions":89,"keywords":94,"overallStatus":99,"whyStopped":12,"lastUpdateSubmitDate":100,"lastUpdatePostDateStruct":101,"startDateStruct":104,"completionDateStruct":106,"leadSponsor":108,"locationsCount":109},{"fullName":5,"class":6},"University Hospital, Gentofte, Copenhagen","OTHER",[8,13,19,23],{"label":9,"type":10,"description":11,"interventionNames":12},"Control","NO_INTERVENTION","Group of 50 participants (control) will receive glasses with clear lenses.",null,{"label":14,"type":15,"description":16,"interventionNames":17},"FL-41","ACTIVE_COMPARATOR","Group of 50 participants will receive a glasses with an FL-41 filter.",[18],"Device: Lenses",{"label":20,"type":15,"description":21,"interventionNames":22},"BlueCut","Group of 50 participants will receive glasses with a Blue Cut filter.",[18],{"label":24,"type":15,"description":25,"interventionNames":26},"500nm","Group of 50 participants will receive glasses with a below 500 nm filter",[18],[28],{"type":29,"name":30,"description":31,"armGroupLabels":32,"otherNames":12},"DEVICE","Lenses","The filter lenses will be worn by participants for one month all day.",[24,20,14],[34],{"name":35,"affiliation":36,"role":37},"Peter Smaakjær, MSc","CSU-Slagelse","PRINCIPAL_INVESTIGATOR",[39,44],{"name":40,"role":41,"phone":42,"phoneExt":12,"email":43},"Peter Smaakjær","CONTACT","+45 58575769","pesma@slagelse.dk",{"name":45,"role":41,"phone":46,"phoneExt":12,"email":47},"Rune S Rasmussen","+45 28757500","rsras@slagelse.dk",[49],{"facility":36,"status":12,"city":50,"state":12,"zip":51,"country":52,"cosmosGeoPoint":53,"geoPoint":58,"contacts":59},"Slagelse","4200","Denmark",{"type":54,"coordinates":55},"Point",[56,57],11.35459,55.40276,{"lat":57,"lon":56},[60,62],{"name":35,"role":41,"phone":61,"phoneExt":12,"email":43},"58575769",{"name":45,"role":41,"phone":63,"phoneExt":12,"email":47},"28757500",{"type":65,"investigatorFullName":66,"investigatorTitle":67,"investigatorAffiliation":5,"oldNameTitle":12,"oldOrganization":12},"SPONSOR_INVESTIGATOR","Rune Skovgaard Rasmussen","Associate professor of pathology, neuropsychologist",[69],{"name":70,"class":71},"Center of Communication (CSU-Slagelse)","UNKNOWN","100528465",false,"NCT06161129","Filter Lenses for the Prevention of Migraine Attacks","Filter Lenses for the Prevention of Migraine Attacks - Effects of Blue Cut and FL-41 Filter Lenses","COMFORT","Inclusion criteria:\n\n* Adult individuals below the age of 66.\n* Diagnosed with migraine by a neurologist.\n* Able to communicate in Danish\n* Able to voluntarily come to the clinic during an untreated migraine attack.\n* Must have had migraine attacks for more than 1 year.\n\nExclusion criteria:\n\n* Fewer than four migraine attacks per month.\n* Chronic neck pain\n* Chronic headache\n* Chronic use of opioids\n* Presence of a pathological eye condition (in the study, an eye condition is defined as a permanent eye condition that affects the front and back of the eye, such as glaucoma, age-related macular degeneration)\n* Other acquired and congenital retinal diseases must not be present.\n* If there is more than 1 line of deviation on the Snellen chart from habitual correction to best correction, the participant must have a new pair of glasses made at their own expense.",true,"ALL","18 Years",{"count":83,"type":84},200,"ESTIMATED","INTERVENTIONAL",[87],"NA","The purpose is to investigate whether the Blue Cut for Night filter is better at reducing migraine compared to the FL-41 filter or a filter blocking light below 500 nm. A control group will use clear lenses without filter. This is a controlled, randomized and double-blind trial.",[90,91,92,93],"Migraine","Glasses","Headache","Visual Impairment",[90,95,96,97,98],"filter glasses","pain","headache","treatment","NOT_YET_RECRUITING","2024-12-04",{"date":102,"type":103},"2024-12-09","ACTUAL",{"date":105,"type":84},"2026-03-01",{"date":107,"type":84},"2029-02-01",{"name":66,"class":6},1]