- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT07646652
Alpha-synuclein Education and Disclosure in Individuals With Preclinical and Symptomatic Lewy Body Disease
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Anslået)
Kontakter og lokationer
Studiesteder
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-
California
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Stanford, California, Forenede Stater, 94305
- Stanford University
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Kontakt:
- Olivia Lu
- E-mail: olivialu@stanford.edu
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Kontakt:
- Hannah Lawrence
- E-mail: hannah8@stanford.edu
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-
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria
All Participants
- Able to provide 1) written, informed consent or 2) assent if a care partner can provide consent.
- Access to a primary care or neurology provider for ongoing care.
- 1) willing to undergo skin biopsy or lumbar puncture for alpha-synuclein testing or 2) has access to as-yet undisclosed skin biopsy or lumbar puncture alpha-synuclein testing results.
Healthy/Asymptomatic Arm
- Undergoing testing for defined reason (e.g., research study)
- Mini-Mental State Examination score between 26 and 30 (or MoCA between 25 and 30)
- General good health (no diseases expected to interfere with the study)
Symptomatic Arm [Concern for dementia with Lewy bodies (DLB), Parkinson's disease (PD), or multiple system atrophy (MSA)]
- Referred by a neurologist or movement disorder specialist
- Adults with any of the following: symptomatic LBD, mild cognitive impairment with Lewy body (MCI-LB), Parkinson's disease dementia (PDD), MCI in Parkinson's disease (PD-MCI), or criteria for multiple system atrophy (MSA).
Exclusion criteria:
All Participants
- Clinician judgment that disclosure poses unacceptable psychological risk.
- Concurrent enrollment in a trial with conflicting disclosure protocols.
Healthy/Asymptomatic Arm • Neurological diagnosis at the time of biomarker assessment (e.g., Alzheimer's disease, Parkinson's disease, normal pressure hydrocephalus, brain tumor, progressive supranuclear palsy, seizure disorder, subdural hematoma, etc.)
Symptomatic Arm
• Absence of a caregiver who can complete assessments.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
Intervention / Behandling |
|---|---|
|
Symptomatic Lewy body disease (LBD)
Participants undergo testing for alpha-synuclein, participate in a disclosure visit for their alpha-synuclein status, and fill out questionnaires before and after disclosure to assess their reaction to this information.
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In-depth interviews as well as questionnaires will be conducted with individuals who have preclinical (early stage) or symptomatic LBD.
|
|
Asymptomatic (participants without symptoms of LBD or MSA)
Participants underwent testing for alpha-synuclein.
They will participate in a disclosure visit for their alpha-synuclein status and fill out questionnaires before and after disclosure to assess their reaction to this information.
|
In-depth interviews as well as questionnaires will be conducted with individuals who have preclinical (early stage) or symptomatic LBD.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Change in distress scale score as measured by the Impact of Event Scale-Revised
Tidsramme: Baseline, Day 14, Day 30, Day 182
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Distress related to biomarker disclosure will be assessed via the validated Impact of Event Scale-Revised (IES-R, a 22 item self-report measure).
Scores range from 0 to 88; higher scores mean greater distress.
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Baseline, Day 14, Day 30, Day 182
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Samarbejdspartnere og efterforskere
Sponsor
Efterforskere
- Ledende efterforsker: Irina A Skylar-Scott, MD, Stanford University
Datoer for undersøgelser
Studer store datoer
Studiestart (Anslået)
Primær færdiggørelse (Anslået)
Studieafslutning (Anslået)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 87329
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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