[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100622055":3},{"organization":4,"outcomesModule":7,"designInfo":30,"detailedDescription":42,"studyPopulation":29,"armGroups":43,"interventions":64,"overallOfficials":29,"centralContacts":74,"locations":80,"responsibleParty":401,"collaborators":29,"id":403,"slug":404,"hasResults":405,"nctId":406,"briefTitle":407,"officialTitle":408,"acronym":409,"eligibilityCriteria":410,"healthyVolunteers":405,"sex":411,"minAge":412,"maxAge":29,"enrollmentInfo":413,"targetDuration":29,"studyType":416,"phases":417,"briefSummary":420,"conditions":421,"keywords":423,"overallStatus":105,"whyStopped":29,"lastUpdateSubmitDate":430,"lastUpdatePostDateStruct":431,"startDateStruct":434,"completionDateStruct":436,"leadSponsor":438,"locationsCount":439},{"fullName":5,"class":6},"Skyhawk Therapeutics, Inc.","INDUSTRY",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":29},[9],{"measure":10,"description":11,"timeFrame":12},"Change From Baseline in the Z-score from the Composite Unified Huntington's Disease Rating Scale (cUHDRS)","cUHDRS includes the Total Functional Capacity (range, 0-13; higher score means better functioning), Total Motor Score (range, 0-124; higher score means worse motor severity), Symbol Digit Modality Test (range, 0-110, correctly paired numbers-symbols in 90 seconds; higher score means better cognitive performance), and Stroop Color and Word Test (range, 0-no max value, correctly read color words in 45 seconds; higher score means better cognitive performance) scores. A z-score for each test is calculated, which alone can be used to describe relationship between an individual's test score and the mean score of a target population. A z-score of 0 is the mean, and ±1 is 1 standard deviation from the mean. For cUHDRS, z-scores of each test are summed, whereby a higher cUHDRS score is better (score of -3.06-no max value) and a change of ≥1.2 is a meaningful worsening, shown to track functional decline.","72 weeks",[14,17,20,23,26],{"measure":15,"description":16,"timeFrame":12},"Change from Baseline in Total Motor Score (TMS)","The total motor score (TMS) assessed motor features of HD with standardized ratings of oculomotor function, dysarthria, chorea, dystonia, gait, and postural stability. Some items (such as chorea and dystonia) required grading each extremity (face, bucco-oral-lingual, and trunk) separately. Eye movements require both horizontal and vertical grades. The total motor impairment score is the sum of all the individual 31 motor sub-items (each rated from 0 to 4), with higher scores indicating more severe motor impairment than lower scores. The range of TMS is 0-124.",{"measure":18,"description":19,"timeFrame":12},"Change from Baseline in Total Functional Capacity (TFC)","TFC consists of five ordinally scaled items assessing a person's capacity with: (1) occupation; (2) financial affairs; (3) domestic responsibilities; (4) activities of daily living; and (5) independent living. Total score ranges from zero (worst) to 13 (best).",{"measure":21,"description":22,"timeFrame":12},"Change from Baseline in Independence Scale Score (IS)","The independence scale assesses independence on a 0 to 100 scale with higher scores indicating better functioning.",{"measure":24,"description":25,"timeFrame":12},"Change from Baseline in Symbol Digit Modalities Test (SDMT)","The SDMT assesses attention, visuoperceptual processing, working memory, and cognitive\u002Fpsychomotor speed. The score is the number of correctly paired abstract symbols and specific numbers in 90 seconds with higher scores indicating better cognitive functioning.",{"measure":27,"description":28,"timeFrame":12},"Change from Baseline in the Stroop Color and Word Test (SCWT)","In the Stroop Color and Word Test (SCWT) the number of words and colors read correctly is counted, with a higher score indicating better cognitive performance scores. There is no upper limit for SWR as it is a time-based task. The lower limit (worst possible) however is 0; higher score is better meaning less severity.",null,{"allocation":31,"interventionModel":32,"interventionModelDescription":33,"primaryPurpose":34,"observationalModel":29,"timePerspective":29,"maskingInfo":35},"RANDOMIZED","PARALLEL","Double-blind placebo-controlled dose ranging","TREATMENT",{"masking":36,"maskingDescription":29,"whoMasked":37},"QUADRUPLE",[38,39,40,41],"PARTICIPANT","CARE_PROVIDER","INVESTIGATOR","OUTCOMES_ASSESSOR","This study is a randomized, double-blind, placebo-controlled trial conducted across multiple sites. This clinical trial aims to evaluate the safety, pharmacodynamics, and efficacy of SKY-0515, a novel, orally administered small molecule. Huntington's Disease (HD) is a rare, inherited neurodegenerative condition caused by a mutation in the huntingtin (HTT) gene, resulting in excessive production of mutant huntingtin (mHTT) protein, which damages nerve cells and leads to progressive motor, cognitive, and psychiatric symptoms. SKY-0515 is designed to reduce mHTT protein levels, leading to a decrease in both wild-type and mutant forms of HTT protein. Additionally, the drug lowers postmeiotic segregation 1 (PMS1) protein, which plays a role in somatic CAG repeat expansion-a key driver of HD progression. Participants must be aged 25 or older, have genetically confirmed HD (CAG repeat length ≥ 40), and meet specific functional and motor criteria. They will be assigned randomly to one of four treatment arms (three doses of SKY-0515 and one placebo group). Safety and efficacy will be evaluated through blood tests, imaging (MRI), and clinical assessments, including the Unified Huntington's Disease Rating Scale (UHDRS).",[44,50,54,58],{"label":45,"type":46,"description":47,"interventionNames":48},"Active Comparator (1)","ACTIVE_COMPARATOR","Dosage Level(s): Low Dose",[49],"Drug: SKY-0515",{"label":51,"type":46,"description":52,"interventionNames":53},"Active Comparator (2)","Dosage Level(s): Mid Dose",[49],{"label":55,"type":46,"description":56,"interventionNames":57},"Active Comparator (3)","Dosage Level(s): High Dose",[49],{"label":59,"type":60,"description":61,"interventionNames":62},"Placebo Comparator (4)","PLACEBO_COMPARATOR","Matching placebo once daily oral",[63],"Drug: SKY-0515 Placebo",[65,70],{"type":66,"name":67,"description":68,"armGroupLabels":69,"otherNames":29},"DRUG","SKY-0515","Type: Small molecule Dosage Level(s): Low, mid, high Route of Administration: Oral Dosage Frequency: Once daily Blinded Treatment Duration: 18 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Sul","Paraná","83430-000",{"type":90,"coordinates":204},[205,206],-49.05528,-25.30556,{"lat":206,"lon":205},[209,211],{"name":150,"role":77,"phone":210,"phoneExt":29,"email":29},"(41) 3679-8100",{"name":212,"role":102,"phone":29,"phoneExt":29,"email":29},"Giorgio Fabiani",{"facility":214,"status":105,"city":215,"state":201,"zip":216,"country":191,"countryCode":192,"cosmosGeoPoint":217,"geoPoint":221,"contacts":222},"PUCPR - Centro de Pesquisa da Pontifícia Universidade Católica do Paraná","Curitiba","80215-901",{"type":90,"coordinates":218},[219,220],-49.27306,-25.42778,{"lat":220,"lon":219},[223,225],{"name":150,"role":77,"phone":224,"phoneExt":29,"email":29},"41 3271 1515",{"name":226,"role":102,"phone":29,"phoneExt":29,"email":29},"Gustavo Franklin",{"facility":228,"status":105,"city":215,"state":201,"zip":229,"country":191,"countryCode":192,"cosmosGeoPoint":230,"geoPoint":232,"contacts":233},"Instituto de Neurologia de 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Spitz",{"facility":257,"status":83,"city":258,"state":259,"zip":260,"country":191,"countryCode":192,"cosmosGeoPoint":261,"geoPoint":265,"contacts":266},"Hospital Universitário Onofre Lopes (HUOL)","Natal","Rio Grande do Norte","59010-056",{"type":90,"coordinates":262},[263,264],-35.20944,-5.795,{"lat":264,"lon":263},[267,270],{"name":150,"role":77,"phone":268,"phoneExt":29,"email":269},"+55 84 3342-5000","clecio.godeiro@ufrn.br",{"name":271,"role":102,"phone":29,"phoneExt":29,"email":29},"Clecio Godeiro",{"facility":273,"status":83,"city":274,"state":275,"zip":276,"country":191,"countryCode":192,"cosmosGeoPoint":277,"geoPoint":281,"contacts":282},"Faculdade de Medicina de Ribeirão Preto - FMRP","Ribeirão Preto","São Paulo","14049-900",{"type":90,"coordinates":278},[279,280],-47.81028,-21.1775,{"lat":280,"lon":279},[283,286],{"name":150,"role":77,"phone":284,"phoneExt":29,"email":285},"55 16 3963-6486","\"tumasv@fmrp.usp.br\" \u003Ctumasv@fmrp.usp.br>",{"name":287,"role":102,"phone":29,"phoneExt":29,"email":29},"Vitor Tumas",{"facility":289,"status":83,"city":275,"state":275,"zip":290,"country":191,"countryCode":192,"cosmosGeoPoint":291,"geoPoint":295,"contacts":296},"Hospital da Universidade Federal de São Paulo - UNIFESP","04024-002",{"type":90,"coordinates":292},[293,294],-46.63611,-23.5475,{"lat":294,"lon":293},[297,298],{"name":150,"role":77,"phone":29,"phoneExt":29,"email":29},{"name":299,"role":102,"phone":29,"phoneExt":29,"email":29},"Roberta Saba, MD",{"facility":301,"status":105,"city":275,"state":275,"zip":302,"country":191,"countryCode":192,"cosmosGeoPoint":303,"geoPoint":305,"contacts":306},"PSEG Centro de Pesquisa Clinica","04038002",{"type":90,"coordinates":304},[293,294],{"lat":294,"lon":293},[307,311],{"name":308,"role":77,"phone":309,"phoneExt":29,"email":310},"Heloisa Cruz","+55(11)98552-2485","heloisa.cruz@psegtrials.com",{"name":312,"role":102,"phone":29,"phoneExt":29,"email":29},"Paulo Victor Sgobbi de Souza",{"facility":314,"status":105,"city":315,"state":316,"zip":317,"country":318,"countryCode":319,"cosmosGeoPoint":320,"geoPoint":324,"contacts":325},"North York General Hospital","Toronto","Ontario","M2K 1E1","Canada","CA",{"type":90,"coordinates":321},[322,323],-79.39864,43.70643,{"lat":323,"lon":322},[326],{"name":327,"role":102,"phone":29,"phoneExt":29,"email":29},"Rizek",{"facility":329,"status":105,"city":330,"state":331,"zip":332,"country":333,"countryCode":334,"cosmosGeoPoint":335,"geoPoint":339,"contacts":340},"Pontificia Universidad Católica de Chile","Santiago","Santiago Metropolitan","8331150","Chile","CL",{"type":90,"coordinates":336},[337,338],-70.64827,-33.45694,{"lat":338,"lon":337},[341,342],{"name":150,"role":77,"phone":29,"phoneExt":29,"email":29},{"name":343,"role":102,"phone":29,"phoneExt":29,"email":29},"Carlos Andrés Juri Clavería",{"facility":345,"status":105,"city":330,"state":331,"zip":346,"country":333,"countryCode":334,"cosmosGeoPoint":347,"geoPoint":349,"contacts":350},"CETRAM (Centro de Trastornos del Movimiento)","9120500",{"type":90,"coordinates":348},[337,338],{"lat":338,"lon":337},[351,355],{"name":352,"role":77,"phone":353,"phoneExt":29,"email":354},"Maria Consuelo Moos Migueles","+56 9 2278337","estudiosclinicos@cetram.cl",{"name":356,"role":102,"phone":29,"phoneExt":29,"email":29},"Pedro Chaná Cuevas",{"facility":358,"status":105,"city":359,"state":360,"zip":361,"country":362,"countryCode":363,"cosmosGeoPoint":364,"geoPoint":368,"contacts":369},"Clínica de la Costa S.A.S","Barranquilla","Atlántico","5001000","Colombia","CO",{"type":90,"coordinates":365},[366,367],-74.78132,10.96854,{"lat":367,"lon":366},[370,371],{"name":150,"role":77,"phone":29,"phoneExt":29,"email":29},{"name":372,"role":102,"phone":29,"phoneExt":29,"email":29},"Laureano Caparroso",{"facility":374,"status":105,"city":375,"state":29,"zip":29,"country":376,"countryCode":377,"cosmosGeoPoint":378,"geoPoint":382,"contacts":383},"Pineo Medical Ecosystem","Tbilisi","Georgia","GE",{"type":90,"coordinates":379},[380,381],44.83412,41.69143,{"lat":381,"lon":380},[384,388],{"name":385,"role":77,"phone":386,"phoneExt":29,"email":387},"Sophia Sopromadze, MD","+995 599 360 430","sophias@pineo.ge",{"name":385,"role":102,"phone":29,"phoneExt":29,"email":29},{"facility":390,"status":105,"city":375,"state":29,"zip":29,"country":376,"countryCode":377,"cosmosGeoPoint":391,"geoPoint":393,"contacts":394},"Simon Khechinashvili University Hospital",{"type":90,"coordinates":392},[380,381],{"lat":381,"lon":380},[395,399],{"name":396,"role":77,"phone":397,"phoneExt":29,"email":398},"Irine Khatiashvili, MD, Ph.D","+995577786578","irenekhat@yahoo.com",{"name":400,"role":102,"phone":29,"phoneExt":29,"email":29},"Irine Khatiashvili, MD, PhD",{"type":402,"investigatorFullName":29,"investigatorTitle":29,"investigatorAffiliation":29,"oldNameTitle":29,"oldOrganization":29},"SPONSOR","100622055","phase-2-study-to-evaluate-the-pharmacodynamics-safety-and-efficacy-of-sky-0515-in-participants-with-huntingtons-disease-100622055",false,"NCT07378644","Study to Evaluate the Pharmacodynamics, Safety and Efficacy of SKY-0515 in Participants With Huntington's Disease","A Phase 2\u002F3 Randomized, Double Blind, Placebo-Controlled, Dose Ranging Study to Evaluate the Pharmacodynamics, Safety and Efficacy of SKY-0515 in Participants With Huntington's Disease","FALCON-HD","Inclusion Criteria:\n\n* 25 years or older.\n* Huntington's Disease confirmed through genetic testing, with a specific change in exon 1 of the HTT gene (CAG repeat of 40 or more).\n* Total Functional Capacity (TFC) score of 10 or more).\n* Total Motor Score (TMS) of 6 or more).\n* Independence Score (IS) of 70 or more).\n* Women who can have children must have a negative pregnancy test before starting and use two types of birth control during the study and for 30 days after the last dose of the study drug.\n* Men must agree to use birth control during the study and for 90 days after the last dose.\n* Agree to sign a consent form and follow the study's rules and schedule.\n\nExclusion Criteria:\n\n* Other Serious health problems or brain\u002Fspinal issues that could interfere with the study or make procedures unsafe.\n* Conditions that interfere with protocol-specified assessments, like an implanted medical device or difficulty getting an MRI.\n* Cancer, except for some types of skin cancer, or a history of cancer in the last five years.\n* Severe allergies or have reacted badly to similar drugs in the past.\n* Taking medications or treatments that might interfere with the study.\n* Participated in another study or taken experimental drugs in the last two months (or longer for some drugs).\n* Any kind of gene therapy.\n* History of suicidal thoughts, severe depression, or have attempted suicide in the past year.\n* Liver function tests show significant abnormalities.\n* Positive for hepatitis B, hepatitis C, or HIV.\n* Pregnancy, breastfeeding, or planning to become pregnant during the study.","ALL","25 Years",{"count":414,"type":415},400,"ESTIMATED","INTERVENTIONAL",[418,419],"PHASE2","PHASE3","The goal of this clinical trial is to test if the drug SKY-0515, an oral medication, can lower harmful proteins linked to Huntington's Disease (HD) and improve the symptoms of participants with HD. This study includes men and women aged 25 and older who have HD confirmed by genetic testing and meet certain requirements for physical ability and independence.",[422],"Huntington Disease",[67,424,425,426,422,427,428,429],"Skyhawk","HTT","Neurodegenerative","mRNA","Splicing","Mutant Huntingtin protein","2026-08-24",{"date":432,"type":433},"2026-08-25","ACTUAL",{"date":435,"type":433},"2026-01-06",{"date":437,"type":415},"2029-08",{"name":5,"class":6},22]