- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05570370
Eardream Data Collection in Colombia Supported by ADDF
Brain Oscillations, Sleep, and Arousal in Human Cognition - COL
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
There is solid neurophysiological evidence indicating that abnormal brain rhythms during sleep and noradrenergic dysfunction are core components of cognitive decline and AD onset, and their related pathophysiology. Crucially, irregularities in these neurophysiological mechanisms appear to occur in an asymptomatic and pre-symptomatic stage, but their potential to identify susceptibility for triggering neurodegeneration has yet to be established.
Thus, the possibility to identify such risk biomarkers in humans will require the acquisition of large-scale data related direct or indirect measurements of these physiological signatures. A possible key source to obtain such large-scale data related to sleep and noradrenergic function is the assessment of electroencephalographic recordings through non-obtrusive, low-cost, and reliable wearable sensors, alongside the use of advanced neuro-computational algorithms that link brain function and behavioral outcomes of LC function via pupilometry measurements.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Carlos Tobon
- Phone Number: 219 69 00
- Email: carlos.tobonq@udea.edu.co
Study Contact Backup
- Name: Rafael Polania
- Phone Number: +41446339975
- Email: rafael.polania@hest.ethz.ch
Study Locations
-
-
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Medellín, Colombia
- Recruiting
- Fundacion Universitaria de Antioquia
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Contact:
- Carlos Tobon, MD
- Phone Number: 219 69 00
- Email: carlos.tobonq@udea.edu.co
-
Contact:
- Francisco Lopera, MD
- Phone Number: 219 69 00
- Email: francisco.lopera@gna.org.co
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Participants fulfilling all of the following inclusion criteria are eligible for the study:
Informed Consent as documented by signature mutation and non-mutation carriers of ADAD populations Patients diagnosed with MCI and AD
Diseases or lesions of the nervous system (acute or residual included neurological and psychiatric diseases, except for MCI and AD in the patient population) Clinically significant concomitant disease states (e.g., renal failure, hepatic dysfunction, cardiovascular disease, etc.) Sleep disorders, known or suspected (e.g. Insomnia, sleep apnoea, restless leg syndrome, narcolepsy, etc.) mini mental state examination (MMSE) score > 24)
Participants are not eligible if they fulfill the following exclusion criteria:
Participation in another study with investigational drug/therapy/interventions within the 30 days preceding and during the present study (start date adapted accordingly) Suspected drug- or medication abuse, or on-label sleep medication use during the time of the study Infection/disease of the auditory canal or ear drum that could worsen with EAR-DREAM application, or allergies to in-Ear electrode materials (e.g., silver) Pregnancy (not safety related, but relevant for data interpretation procedures given that pregnancy can result in sleep patterns that are different from the baseline measurements we intend to characterize) Additional non-medical exclusion criteria may be defined for certain cognitive tasks (e.g. no glasses during experiments involving pupillometry).
Study Plan
How is the study designed?
Design Details
- Observational Models: Other
- Time Perspectives: Cross-Sectional
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
ADAD family members, mutation carriers
asymptomatic and presymptomatic individuals
|
This is an observational study
|
ADAD family members, non-mutation carriers
age-matched family members (non-mutation carriers) relative to the asymptomatic/presymptomatic group
|
This is an observational study
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Density of slow-wave activity (SWA) readout from in-ear EEG recordings
Time Frame: Up to 7 nights of at-home recordings
|
in-ear EEG will be monitored during 7 nights, the aggregated density of SWA over the 7 nights will be compared in both groups (mutation vs non-mutation carrier)
|
Up to 7 nights of at-home recordings
|
Relative phasic pupilometry responses in exploration vs exploration states in the cognitive task
Time Frame: experimental session at day 1
|
atent variables of the LC-noradrenergic neuro-computational model based on our cognitive task will indicate the state in wich the participant is (exploration vs exploitation).
The relative phasic pupilometry responses in these two states will serve as a proxy of the degree of LC-noradrenergic reaction to these states.
The relative reactivity will be compared in both groups (mutation vs non-mutation carriers)
|
experimental session at day 1
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Relative time-frequency decomposition responses in exploration vs exploration states in the cognitive task measured with EEG
Time Frame: experimental session at day 1
|
We will evaluate the the differences spatio-temporal changes in the power spectrum depending on the state in wich the participant is (exploration vs exploitation) in the cognitive task.
The relative changes will be compared in both groups (mutation vs non-mutation carriers)
|
experimental session at day 1
|
Collaborators and Investigators
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- ADDF_COL
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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