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Uno Studio di Storia Naturale della Sindrome di Angelman (GLOW-AS)

19 agosto 2026 aggiornato da: Christopher Keary, Massachusetts General Hospital

Uno Studio Longitudinale di Storia Naturale di Adulti e Bambini con la Sindrome di Angelman

L'obiettivo di questo studio osservazionale è comprendere la progressione naturale della sindrome di Angelman (AS) in bambini e adulti con una diagnosi genetica confermata di AS. Le principali domande a cui mira a rispondere sono:

  • Come cambiano le abilità di sviluppo, come comunicazione, capacità motorie e comportamenti adattativi, in un periodo di 1 anno nelle persone con AS?
  • Esistono specifici pattern nell'attività cerebrale o nel sonno associati ai cambiamenti nei sintomi dell'AS nel tempo?

I partecipanti dovranno:

  • Visitare il sito dello studio 5 volte nell'arco di 1 anno (circa ogni 3 mesi) per le valutazioni.
  • Completare test e questionari sullo sviluppo, i comportamenti e il sonno con l'aiuto dei loro caregiver.
  • Sottoporsi a elettroencefalogrammi (EEG) per misurare l'attività cerebrale e indossare un dispositivo di monitoraggio del sonno a casa (per raccogliere dati di attigrafia).

Panoramica dello studio

Stato

Reclutamento

Condizioni

Descrizione dettagliata

  • Studio longitudinale di storia naturale su 40 individui con AS, arricchito per una popolazione adolescenziale.
  • Si propone di stabilire dati normativi per informare la progettazione e l'interpretazione futura degli studi clinici per l'AS e per supportare lo sviluppo di strumenti diagnostici più precisi e interventi terapeutici mirati per l'AS.
  • Tracciare il comportamento adattivo, la comunicazione, i comportamenti problematici, la salute generale, la gravità complessiva della malattia e le condizioni comuni co-occorrenti (inclusi epilessia e disturbi del sonno) attraverso valutazioni standardizzate.
  • I dati sui biomarcatori raccolti tramite EEG e registrazioni actigrafiche saranno analizzati per valutare i cambiamenti legati all'età negli esiti clinici e nelle misure neurofisiologiche.
  • I partecipanti parteciperanno fino a 5 visite di studio in persona nel corso di 12 mesi: Settimana 0, Settimana 13, Settimana 26, Settimana 39, Settimana 52.

Tipo di studio

Osservativo

Iscrizione (Stimato)

40

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

Backup dei contatti dello studio

Luoghi di studio

    • Massachusetts
      • Lexington, Massachusetts, Stati Uniti, 02421
        • Reclutamento
        • MGH Lurie Center for Autism
        • Investigatore principale:
          • Christopher J Keary, MD
        • Sub-investigatore:
          • Ronald L Thibert, DO, MSPH
        • Contatto:
        • Contatto:

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Bambino
  • Adulto
  • Adulto più anziano

Accetta volontari sani

No

Metodo di campionamento

Campione non probabilistico

Popolazione di studio

Individui di almeno 1 anno di età con una diagnosi geneticamente confermata di AS.

Descrizione

Criteri di inclusione:

  • Il partecipante ha una diagnosi clinica primaria di sindrome di Angelman con variazioni genetiche documentate che influenzano la funzione del gene UBE3A all'interno del locus umano 15q11.2-q13.3. Condizioni co-occorrenti (ad esempio, disturbo dello spettro autistico, paralisi cerebrale, disabilità intellettiva) sono consentite; tuttavia, la sindrome di Angelman deve essere la diagnosi clinica primaria.
  • Il partecipante è di sesso maschile o femminile (sesso assegnato alla nascita) e ha un'età ≥1 anno al momento della prima visita di studio.
  • Il partecipante ha un partner di studio che soddisfa i criteri per il partner di studio di seguito riportati.
  • Il partecipante, se incapace di fornire il consenso informato, ha un rappresentante legale appropriato di almeno 18 anni di età, disposto e in grado di fornire il consenso informato per conto del partecipante in conformità con le linee guida attuali dell'International Council for Harmonisation (ICH) e le normative istituzionali applicabili.

Gli individui devono soddisfare i seguenti criteri per essere arruolati come partner di studio:

  • Il partner di studio è un genitore o un caregiver primario di almeno 18 anni di età.
  • Il partner di studio ha un contatto costante con il partecipante e, a giudizio dello sperimentatore, è sufficientemente informato sulle condizioni del partecipante per fornire informazioni accurate e aggiornate.
  • Il partner di studio ha una sufficiente conoscenza della lingua inglese per completare le valutazioni del partner di studio.
  • Il partner di studio è disposto e in grado di fornire il consenso informato per proprio conto in conformità con le linee guida ICH e le normative istituzionali applicabili.
  • Il partner di studio è, a giudizio dello sperimentatore, affidabile e competente; disposto e in grado di accompagnare il partecipante a tutte le visite di studio e rispettare le procedure di studio; raggiungibile per telefono o email se necessario; e sufficientemente informato sulle condizioni attuali del partecipante per fornire informazioni accurate e aggiornate riguardanti la salute e il benessere del partecipante.

Criteri di esclusione:

  • Il partecipante ha almeno un'ulteriore anomalia genetica nota al di fuori del locus umano 15q11.2-q13.3 che causa una probabile o nota disabilità dello sviluppo.
  • Almeno un trattamento standard di cura (medicazione o terapia adiuvante) utilizzato dal partecipante è stato modificato durante i 28 giorni (4 settimane) precedenti la prima visita di studio. I trattamenti includono, ma non sono limitati a, dosi di farmaci antiepilettici, farmaci per la gestione comportamentale, farmaci per il sonno, gabapentin, cannabidiolo, diete speciali, integratori, logopedia, terapia occupazionale, analisi comportamentale applicata (ABA), interventi psicosociali, fisioterapia o supporto nutrizionale.
  • Il partecipante ha un'epilessia instabile, definita come un accesso al pronto soccorso o un ricovero ospedaliero per problemi correlati alle crisi epilettiche nei 28 giorni (4 settimane) precedenti la visita di studio iniziale.
  • Il partecipante è in età fertile ed è incinta, allatta o non utilizza un metodo contraccettivo adeguato; l'astinenza è accettabile.
  • Il partecipante ha una storia clinicamente rilevante di neoplasia; risultati di test anormali clinicamente significativi; malattie cardiovascolari, ematologiche, epatiche, muscolari, neurologiche o renali clinicamente significative; o ha sperimentato altri eventi clinici che, a giudizio dello sperimentatore, rendono la partecipazione non idonea.
  • Il partecipante ha una storia di trattamento con qualsiasi terapia cellulare o genica, inclusi oligonucleotidi antisenso o terapie di editing genico.
  • Il partecipante ha ricevuto qualsiasi terapia sperimentale diversa da una terapia cellulare o genica entro 28 giorni o 5 emivite (a seconda di quale sia più lunga) precedenti la visita di studio iniziale.
  • Il partecipante è attualmente arruolato o prevede di arruolarsi in uno studio interventistico che coinvolge un agente o dispositivo sperimentale durante il periodo di osservazione pianificato.
  • Il partecipante ha una controindicazione nota all'elettroencefalografia, all'attigrafia o a qualsiasi altra procedura di studio descritta nel programma delle valutazioni.
  • Il partecipante o il partner di studio è, a giudizio dello sperimentatore, non idoneo alla partecipazione per qualsiasi altro motivo, inclusa l'incapacità di soddisfare i requisiti dello studio.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

Coorti e interventi

Gruppo / Coorte
Partecipanti di età compresa tra 1 e 17 anni (inclusi)
  • Cohorte 1: Partecipanti di età pari o superiore a 1 anno e inferiore a 18 anni al momento dell'arruolamento con AS geneticamente confermato.
  • Questa coorte funge da gruppo ampio per valutare la storia naturale dell'AS durante l'infanzia e l'adolescenza.
Partecipanti di età compresa tra 1 e 12 anni (inclusi)
  • Cohort 2: Partecipanti di almeno 1 anno di età e più giovani di 13 anni al momento dell'arruolamento con AS geneticamente confermato.
  • Un sottoinsieme della Cohort 1, specificamente focalizzato sui preadolescenti.
  • Questa coorte mira a catturare le tappe dello sviluppo e i cambiamenti durante un periodo critico di crescita in cui potenziali interventi terapeutici potrebbero avere l'impatto più significativo.
  • I partecipanti di età 1-12 anni saranno prima assegnati alla Cohort 2 fino al raggiungimento della sua capacità. Una volta che la Cohort 2 sarà piena, i partecipanti di età 1-12 anni saranno arruolati solo nella Cohort 1.
Partecipanti di età pari o superiore a 18 anni
  • Cohort 3: Partecipanti di almeno 18 anni.
  • Questa coorte è limitata a un massimo di 5 partecipanti per esplorare la storia naturale dell'AS negli adulti, sebbene non sia l'obiettivo principale di questo studio.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change from Baseline in Bayley Scale of Infant Development, Fourth Edition (Bayley-4) Cognitive Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 26, Week 52
The Bayley-4 Cognitive subscale assesses cognitive development in children. Growth score equivalents are derived from developmental growth scale values (GSVs) that provide an equal-interval scale for measuring developmental change over time. Higher scores indicate greater cognitive development.
Week 0, Week 26, Week 52
Change from Baseline in Bayley Scale of Infant Development, Fourth Edition (Bayley-4) Receptive Communication Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 26, Week 52
The Bayley-4 Receptive Communication subscale assesses receptive language skills. Growth score equivalents are derived from developmental GSVs that provide an equal-interval scale for measuring developmental change over time. Higher scores indicate more advanced receptive communication abilities.
Week 0, Week 26, Week 52
Change from Baseline in Bayley Scale of Infant Development, Fourth Edition (Bayley-4) Expressive Communication Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 26, Week 52
The Bayley-4 Expressive Communication subscale assesses expressive language skills. Growth score equivalents are derived from developmental GSVs that provide an equal-interval scale for measuring developmental change over time. Higher scores indicate more developed expressive communication abilities.
Week 0, Week 26, Week 52
Change from Baseline in Bayley Scale of Infant Development, Fourth Edition (Bayley-4) Fine Motor Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 26, Week 52
The Bayley-4 Fine Motor subscale assesses fine motor skill development. Growth score equivalents are derived from developmental GSVs that provide an equal-interval scale for measuring developmental change over time. Higher scores indicate more developed fine motor skills.
Week 0, Week 26, Week 52
Change from Baseline in Bayley Scale of Infant Development, Fourth Edition (Bayley-4) Gross Motor Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 26, Week 52
The Bayley-4 Gross Motor subscale assesses gross motor skill development. Growth score equivalents are derived from developmental GSVs that provide an equal-interval scale for measuring developmental change over time. Higher scores indicate more developed gross motor skills.
Week 0, Week 26, Week 52

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change from Baseline in Bayley Scale of Infant Development, Fourth Edition (Bayley-4) Cognitive Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 26, Week 52
The Bayley-4 Cognitive subscale age-equivalent score represents the age in months at which the participant's raw score is the median score for typically developing children. Higher age-equivalent scores indicate more advanced cognitive development.
Week 0, Week 26, Week 52
Change from Baseline in Bayley Scale of Infant Development, Fourth Edition (Bayley-4) Expressive Communication Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 26, Week 52
The Bayley-4 Expressive Communication subscale age-equivalent score represents the age in months at which the participant's raw score is the median score for typically developing children. Higher age-equivalent scores indicate more advanced expressive communication abilities.
Week 0, Week 26, Week 52
Change from Baseline in Bayley Scale of Infant Development, Fourth Edition (Bayley-4) Receptive Communication Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 26, Week 52
The Bayley-4 Receptive Communication subscale age-equivalent score represents the age in months at which the participant's raw score is the median score for typically developing children. Higher age-equivalent scores indicate more advanced receptive communication abilities.
Week 0, Week 26, Week 52
Change from Baseline in Bayley Scale of Infant Development, Fourth Edition (Bayley-4) Fine Motor Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 26, Week 52
The Bayley-4 Fine Motor subscale age-equivalent score represents the age in months at which the participant's raw score is the median score for typically developing children. Higher age-equivalent scores indicate more advanced fine motor development.
Week 0, Week 26, Week 52
Change from Baseline in Bayley Scale of Infant Development, Fourth Edition (Bayley-4) Gross Motor Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 26, Week 52
The Bayley-4 Gross Motor subscale age-equivalent score represents the age in months at which the participant's raw score is the median score for typically developing children. Higher age-equivalent scores indicate more advanced gross motor development.
Week 0, Week 26, Week 52
Change from Baseline in Symptoms of Angelman Syndrome-Clinical Global Impressions Scale of Severity (SAS-CGI-S) Global Severity Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The SAS-CGI-S is a clinician-rated assessment of global symptom severity in Angelman syndrome. Scores range from 1 (normal, not at all ill) to 7 (among the most extremely ill patients), with higher scores indicating greater global symptom severity.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Aberrant Behavior Checklist-Community (ABC-C) Hyperactivity/Noncompliance Subscale Score (ABC-H) at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The ABC-C Hyperactivity subscale assesses hyperactive and non-compliant behaviors. Scores range from 0 to 48, with higher scores indicating more severe hyperactivity symptoms.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Aberrant Behavior Checklist-Community (ABC-C) Irritability Subscale Score (ABC-I) at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The ABC-C Irritability subscale assesses irritability, aggression, self-injury, and negative emotional states. Scores range from 0 to 45, with higher scores indicating more severe irritability symptoms.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Caregiver-Reported Angelman Syndrome Scale for Impact (CASS-I) Overall AS Symptoms Rating at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The CASS-I is a caregiver-reported assessment of overall symptom severity and impact in Angelman syndrome. The scale provides a global rating of AS symptoms from the caregiver's perspective, with higher ratings indicating greater symptom severity and impact.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Children's Sleep Habits Questionnaire (CSHQ) Total Sleep Disturbance Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The CSHQ is a parent-report questionnaire assessing sleep problems in children. The total score ranges from 33 to 99, with higher scores indicating greater sleep disturbance. A total score of 41 or higher indicates clinically significant sleep problems.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Children's Sleep Habits Questionnaire (CSHQ) Sleep Duration Subscale Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The CSHQ Sleep Duration subscale assesses the adequacy of sleep duration. Higher scores indicate shorter or insufficient sleep duration.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Children's Sleep Habits Questionnaire (CSHQ) Night Wakings Subscale Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The CSHQ Night Wakings subscale assesses the frequency and severity of nighttime awakenings. Higher scores indicate more frequent or problematic night wakings.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Observer-Reported Communication Ability (ORCA) Overall Communication T-Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The ORCA is an observer-reported measure of communication abilities in individuals with Angelman syndrome. T-scores are standardized scores with a mean of 50 and standard deviation of 10. Higher t-scores indicate greater proficiency in overall communication abilities.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Observer-Reported Communication Ability (ORCA) Expressive Communication T-Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The ORCA Expressive Communication subscale assesses expressive language abilities. T-scores are standardized scores with a mean of 50 and standard deviation of 10. Higher t-scores indicate greater proficiency in expressive communication.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Observer-Reported Communication Ability (ORCA) Receptive Communication T-Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The ORCA Receptive Communication subscale assesses receptive language abilities. T-scores are standardized scores with a mean of 50 and standard deviation of 10. Higher t-scores indicate greater proficiency in receptive communication.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Observer-Reported Communication Ability (ORCA) Pragmatic Communication T-Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The ORCA Pragmatic Communication subscale assesses social and contextual use of communication. T-scores are standardized scores with a mean of 50 and standard deviation of 10. Higher t-scores indicate greater proficiency in pragmatic communication.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Receptive Communication Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Receptive Communication subdomain age-equivalent score represents the age in years and months at which the participant's score is typical for an average individual. Higher age-equivalent scores indicate more advanced receptive communication skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Receptive Communication Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Receptive Communication GSV provides an equal-interval scale for measuring developmental change over time. Higher growth score equivalents indicate greater developmental progress in receptive communication.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Expressive Communication Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Expressive Communication subdomain age-equivalent score represents the age in years and months at which the participant's score is typical for an average individual. Higher age-equivalent scores indicate more advanced expressive communication skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Expressive Communication Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Expressive Communication subdomain GSV provides an equal-interval scale for measuring developmental change over time. Higher growth score equivalents indicate greater developmental progress in expressive communication.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Personal Daily Living Skills Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Personal Daily Living Skills subdomain age-equivalent score represents the age in years and months at which the participant's score is typical for an average individual. Higher age-equivalent scores indicate more advanced personal daily living skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Personal Daily Living Skills Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Personal Daily Living Skills subdomain GSV provides an equal-interval scale for measuring developmental change over time. Higher growth score equivalents indicate greater developmental progress in personal daily living skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Domestic Daily Living Skills Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Domestic Daily Living Skills subdomain age-equivalent score represents the age in years and months at which the participant's score is typical for an average individual. Higher age-equivalent scores indicate more advanced domestic daily living skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Domestic Daily Living Skills Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Domestic Daily Living Skills subdomain GSV provides an equal-interval scale for measuring developmental change over time. Higher growth score equivalents indicate greater developmental progress in domestic daily living skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Community Daily Living Skills Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Community Daily Living Skills subdomain age-equivalent score represents the age in years and months at which the participant's score is typical for an average individual. Higher age-equivalent scores indicate more advanced community daily living skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Community Daily Living Skills Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Community Daily Living Skills subdomain GSV provides an equal-interval scale for measuring developmental change over time. Higher growth score equivalents indicate greater developmental progress in community daily living skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Interpersonal Relationships Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Interpersonal Relationships subdomain age-equivalent score represents the age in years and months at which the participant's score is typical for an average individual. Higher age-equivalent scores indicate more advanced interpersonal relationship skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Interpersonal Relationships Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Interpersonal Relationships subdomain GSV provides an equal-interval scale for measuring developmental change over time. Higher growth score equivalents indicate greater developmental progress in interpersonal relationships.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Play and Leisure Time Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Play and Leisure Time subdomain age-equivalent score represents the age in years and months at which the participant's score is typical for an average individual. Higher age-equivalent scores indicate more advanced play and leisure skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Play and Leisure Time Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Play and Leisure Time subdomain GSV provides an equal-interval scale for measuring developmental change over time. Higher growth score equivalents indicate greater developmental progress in play and leisure skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Coping Skills Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Coping Skills subdomain age-equivalent score represents the age in years and months at which the participant's score is typical for an average individual. Higher age-equivalent scores indicate more advanced coping skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Coping Skills Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Coping Skills subdomain GSV provides an equal-interval scale for measuring developmental change over time. Higher growth score equivalents indicate greater developmental progress in coping skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Gross Motor Skills Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Gross Motor Skills subdomain age-equivalent score represents the age in years and months at which the participant's score is typical for an average individual. Higher age-equivalent scores indicate more advanced gross motor skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Gross Motor Skills Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Gross Motor Skills subdomain GSV provides an equal-interval scale for measuring developmental change over time. Higher growth score equivalents indicate greater developmental progress of gross motor skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Fine Motor Skills Age-Equivalent Score at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Fine Motor Skills subdomain age-equivalent score represents the age in years and months at which the participant's score is typical for an average individual. Higher age-equivalent scores indicate more advanced fine motor skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Vineland Adaptive Behavior Scales, Third Edition (Vineland-3) Fine Motor Skills Growth Score Equivalent at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
The Vineland-3 Fine Motor Skills subdomain GSV provides an equal-interval scale for measuring developmental change over time. Higher growth score equivalents indicate greater developmental progress in fine motor skills.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Frequency of Reported Seizure Events at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
Seizure frequency is assessed through caregiver-reported seizure diaries documenting the number and type of seizure events over each measurement period. Seizure counts are analyzed as rates to account for variability in the duration of time covered by seizure diaries. Lower seizure rates indicate decreased seizure frequency.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Average Total Sleep Time Measured by Actigraphy at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
Total sleep time is the total amount of sleep obtained during the sleep period as measured by actigraphy, expressed in minutes. Higher values indicate longer sleep duration.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Average Effective Sleep Measured by Actigraphy at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
Effective sleep is the percentage of time asleep during the sleep period as measured by actigraphy. Values range from 0% to 100%, with higher percentages indicating more consolidated sleep.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Average Sleep Efficiency Measured by Actigraphy at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
Sleep efficiency is the ratio of total sleep time to time in bed, expressed as a percentage. Values range from 0% to 100%, with higher percentages indicating greater sleep efficiency.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Average Number of Nocturnal Awakenings Measured by Actigraphy at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
Nocturnal awakenings are the number of times a participant awakens during the sleep period as measured by actigraphy. Lower values indicate fewer sleep disruptions.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Average Duration of Nocturnal Awakenings Measured by Actigraphy at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
Duration of nocturnal awakenings is the average length of time spent awake during the sleep period as measured by actigraphy, expressed in minutes. Lower values indicate shorter awakening durations.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Average Sleep Onset Latency Measured by Actigraphy at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
Sleep onset latency is the time from attempting to sleep to the onset of sleep as measured by actigraphy, expressed in minutes. Lower values indicate faster sleep onset.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Average Total Sleep Time Reported in Sleep Diaries at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
Total sleep time as reported in caregiver-completed sleep diaries, representing the total amount of sleep the participant obtained during the sleep period, expressed in minutes. Higher values indicate longer sleep duration.
Week 0, Week 13, Week 26, Week 39, Week 52
Change from Baseline in Average Duration of Nocturnal Awakenings Reported in Sleep Diaries at 12 Months
Lasso di tempo: Week 0, Week 13, Week 26, Week 39, Week 52
Duration of nocturnal awakenings as reported in caregiver-completed sleep diaries, representing the average length of time the participant spent awake during the sleep period, expressed in minutes. Lower values indicate shorter awakening durations.
Week 0, Week 13, Week 26, Week 39, Week 52

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Collaboratori

Investigatori

  • Investigatore principale: Christopher J Keary, MD, Massachusetts General Hospital

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Stimato)

1 agosto 2026

Completamento primario (Stimato)

1 settembre 2028

Completamento dello studio (Stimato)

1 settembre 2029

Date di iscrizione allo studio

Primo inviato

11 febbraio 2026

Primo inviato che soddisfa i criteri di controllo qualità

11 febbraio 2026

Primo Inserito (Effettivo)

18 febbraio 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

21 agosto 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

19 agosto 2026

Ultimo verificato

1 agosto 2026

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • 2025P003327

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Descrizione del piano IPD

Al momento non è prevista la condivisione esterna dei Dati Individuali dei Partecipanti (IPD), a causa di considerazioni relative alla privacy dei partecipanti, al rischio di reidentificazione data la dimensione e la vulnerabilità della popolazione dello studio, e limitazioni nei materiali di consenso e nel protocollo, che attualmente non consentono la condivisione esterna dei dati. La politica istituzionale richiede specifici Accordi di Utilizzo dei Dati (DUA) per qualsiasi attività di condivisione dei dati, e lo studio è protetto da un Certificato di Riservatezza, che limita ulteriormente la divulgazione di informazioni identificabili. Il team di ricerca potrebbe prendere in considerazione la condivisione di dati anonimizzati in futuro, a condizione della pubblicazione dei risultati e dell'implementazione di meccanismi di governance e approvazione robusti.

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .