- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03293537
Dementia Associated Apathy.
Skin Conductance and Heart Rate as Biomarkers to Uncover Covert Emotional Reactions in Patients With Dementia Associated Apathy; a Multi-centre Study.
We want to determine if patients with dementia show any kind of emotion while they look at a defined selection of photos. These are photos taken from a international image-platform and mixed with photos (biographic) that show personal objects, personal events, etc.
While the photos will be presented each a few seconds the skin conductance and the heart rate will be measured. We want to find out if there is any emotion measurable while showing the photos.
Study Overview
Status
Intervention / Treatment
Detailed Description
The lack of overt behaviour in individuals exhibiting dementia-associated apathy is not only stressful to family members and caregivers, it is also a major challenge for medical and nursing staff. Knowing whether apathy arises from an impaired function of the neural network of affect due to neurodegenerative processes accompanying dementia provides a neural explanation of this condition. Somatic indicators of affective responses (e.g., changes in skin conductance, or heart rate) are an effective means to uncover covert emotional responses in nursing home residents suffering from dementia associated apathy.
The overall objective is to determine whether dementia associated apathy is the result of an impaired functioning of the neural macro-network of affect. We want to compare the quantitative change in physiological parameters for each image category between individuals of the two subgroups: 1. Individual with dementia only and 2.individuals with dementia and dementia-associated apathy.
The primary objective is to uncover a covert emotional response using changes in skin conductance in patients with dementia and patients with dementia + dementia associated apathy.
The secondary objective is to uncover a covert emotional response using changes in the heart rate in patients with dementia and patients with dementia + dementia associated apathy.
Diagnosis of dementia, age at initial dementia diagnosis, age at initial apathy diagnosis, time since initial diagnosis of dementia and apathy will be obtained from medical records. The type and daily dose of medication as well as the type and frequency of occupational, physio- and psychosocial therapy will be drawn from medical records. The SMMSE (Severe Mini Mental State Examination)score will determine severity of dementia and the AES (Apathy Evaluation Scale )score the severity of apathy. Using the FAST (Functional Assessment Staging) will assess the capacity of performing the activities of daily life.
Measurements will be conducted in a familiar environment and in the presence of a family member or a member of staff to avoid any kind of stress and concern for the participant. The subject will be informed of the procedure and their task before the sensors are attached. Electrodermal activity (EDA) and heart rate (HR) will be continuously monitored while the subject views the image sequence on a PC monitor. EDA and HR will be recorded concurrently using commercial software. Data analysis will involve both commercial and in-house software. All data will be stored on a hard disk, in a compressed and encrypted format.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Thurgau
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Winterthur, Thurgau, Switzerland
- Recruiting
- Zurich University of Applied Sciences
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Contact:
- Silke Neumann, MSc
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- existing medical diagnosis of dementia, independent of the presence or absence of neuropsychiatric symptoms.
We include nursing home residents with Informed Consent as documented by signature from the German speaking part of Switzerland with moderate to severe dementia.
The presence or absence of apathy serves to assign participants into the appropriate experiments group.
Exclusion Criteria:
Known or suspected non-compliance, drug or alcohol abuse,
- Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders
- Previous enrolment into the current study,
- Enrolment of the investigator, his/her family members, employees and other dependent persons,
- Medically documented diagnosis of schizophrenia or bipolar disorder or the diagnosis of diminished intelligence.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Patients with dementia
The subject will be informed of the procedure and their task before the sensors are attached.
Electrodermal activity (EDA) and heart rate (HR) will be continuously monitored while the subject views the image sequence on a PC monitor.
EDA will be measured using electrodes attached to the middle (D3) and ring finger (D4).
Heart rate will be measured using an infrared pulseoximeter attached to one of the free digits of the hand.
A pulseoximeter is a non-invasive sensor, using tissue absorption of infrared light to determine blood-oxygen saturation (SaO2).
EDA and HR will be recorded concurrently using commercial software.
Data analysis will involve both commercial and in-house software.
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while observing selected photos the Skin conductance and heart rate will be measured.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Skin conductance
Time Frame: 15 minutes
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The change in skin conductance will be taken to be the peak amplitude of the change in skin conductance
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15 minutes
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Heart rate
Time Frame: 15minutes
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The heart rate measured in Hertz (HZ).
The Heart rate will be measured using an infrared pulseoximeter attached to one of the free digits of the hand.
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15minutes
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Collaborators and Investigators
Investigators
- Study Chair: Heidrun Becker, Prof.DR., Zurich University of Applied Sciences
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- Biomarker and Apathy
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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