- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03699644
Multimodal Ocular Imaging in Neurodegeneration
March 10, 2022 updated by: Cagri Besirli, University of Michigan
Alzheimer's disease (AD) and frontotemporal dementia (FTD) are two of the most common types of age-related neurodegenerative disorders.
Identifying at-risk patients and gauging disease progression in a non-invasive manner would be invaluable.
Early and correct diagnosis is crucial for coordinating supportive care, patient expectations, caregiver arrangements and family planning.
In addition, as treatments become available, beginning therapy early in the disease before symptoms become severe will be important.
Multimodal ocular imaging (MOI) includes an ophthalmic (eye) exam and eye photographs to evaluate different layers of the retina, which is the light sensing layer of the eye.
Newer technologies make it possible to visualize the disease process occurring in AD and FTD by using MOI to look at the retina, since the retina is fundamentally an outward extension of the brain itself.
This study will attempt to correlate signs of disease in the retina, as determined by MOI, with plaque buildup in the brain as seen by imaging.
This will demonstrate the sensitivity and specificity of MOI for diagnosing AD and FTD in a noninvasive manner.
Study Overview
Status
Completed
Study Type
Observational
Enrollment (Actual)
16
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Michigan
-
Ann Arbor, Michigan, United States, 48109
- University of Michigan
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
43 years to 78 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Sampling Method
Non-Probability Sample
Study Population
Patients are recruited with mid-to-late stage AD and FTD, as well as age-matched healthy controls, using the extensive database of research participants maintained by the Michigan Alzheimer's Disease Center (MADC).
Description
Inclusion Criteria:
- Subjects with dementia must have known diagnosis of Alzheimer's dementia (AD) or frontotemporal dementia (FTD)
- Subjects with dementia must have Moderate/severe dementia as preferentially defined by a documented MoCA score of less than 17, or by MMSE score of less than 17, within the last 12 months
- Individuals with no evidence of AD or FTD as age-matched controls.
Exclusion Criteria:
- Preexisting retinal or optic nerve disorder including macular degeneration, diabetic retinopathy, retinal dystrophy, and glaucoma
- Anterior segment abnormalities of the eye limiting ocular imaging (e.g. corneal disorders, dense cataract).
- Use of medications with known effects on the retina or optic nerve (e.g. hydroxychloroquine, ethambutol).
- Pregnant or lactating women.
- Prisoners.
- Subjects with advanced dementia who cannot be independently and reliably positioned at the ocular imaging device for reliable imaging.
- Subjects with contraindications to magnetic resonance (MR) imaging, including pacemakers or claustrophobia.
- Evidence of large vessel stroke or mass lesion identified on MR imaging.
- Subjects limited by participation in research procedures involving ionizing radiation.
- Subjects who are already participating in another clinical study or clinical trial
- Participants with a clinically significant or unstable medical or surgical condition that, in the opinion of any of the investigators, might preclude safe completion of the study or might affect the results of the study. These include conditions causing significant central nervous system or autonomic dysfunction, such as congestive heart failure, recent (<6 months) myocardial infarction, thrombocytopenia (<50 x 10(9)/L), immunosuppressed state, severe uncontrolled hypertension, severe cardiopulmonary disease, severe anemia (hemoglobin <8g/dl), severe liver or kidney disease (creatinine >2.3 mg/dl) uncontrolled diabetes mellitus (HgbA1c >10g%), alcoholism, malignant neoplasms, amyloidosis, uncontrolled hypothyroidism, unstable peripheral neuropathies, concurrent infections, orthopedic problems that compromise mobility and activities of daily living, severe cerebrovascular accidents (causing symptoms such as hemiplegia, aphasia and non-dominant parietal lobe syndrome), history of exposure to neurotoxins or neuroactive drugs, or parkinsonism due to drugs (including neuroleptics, alpha-methyldopa, reserpine, metoclopramide).
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Observational Models: Case-Control
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Healthy Control
Healthy controls will undergo a single magnetic resonance imaging (MRI) and PET (positron emission tomography) scan of the brain.
In addition, all healthy controls will receive a comprehensive ophthalmic examination as well as undergo photography and imaging of the eye.
|
Each participant in this study will undergo Optical coherence tomography (OCT), a non-invasive imaging test of the eye, one time.
OCT uses light waves to take cross-section pictures of the retina, which are generated using scattered light waves.
Other Names:
Each participant in this study will undergo a single Magnetic resonance imaging (MRI) scan, a scanning technique for creating detailed images of the human body.
The scan uses a magnetic field and radio waves to generate images of the brain.
Each participant in this study will undergo a single Positron emission tomography (PET) scan of the brain.
PET is a nuclear medicine functional imaging technique that is used to observe metabolic processes in the brain as an aid to the diagnosis of disease using the combination of a radioactive tracer, camera, and a computer.
Each participant in this study will receive one comprehensive eye examination which will be performed by a licensed ophthalmologist at the University of Michigan.
This examination will include the assessment of the participant's visual acuity, a slit lamp examination which will look at the anterior and posterior tissues of the eye including the retina using various lights and lenses, and intraocular pressures.
Other Names:
Each participant in this study will undergo fundus photography of each eye.
Fundus photography involves the use of a retinal camera coupled with a low power microscope to capture photographs of the retina.
Other Names:
|
Alzheimer's Dementia
Subjects with Alzheimer's Dementia will undergo a single magnetic resonance imaging (MRI) and PET (positron emission tomography) scan of the brain.
In addition, all subjects with Alzheimer's Dementia will receive a comprehensive ophthalmic examination as well as undergo photography and imaging of the eye.
|
Each participant in this study will undergo Optical coherence tomography (OCT), a non-invasive imaging test of the eye, one time.
OCT uses light waves to take cross-section pictures of the retina, which are generated using scattered light waves.
Other Names:
Each participant in this study will undergo a single Magnetic resonance imaging (MRI) scan, a scanning technique for creating detailed images of the human body.
The scan uses a magnetic field and radio waves to generate images of the brain.
Each participant in this study will undergo a single Positron emission tomography (PET) scan of the brain.
PET is a nuclear medicine functional imaging technique that is used to observe metabolic processes in the brain as an aid to the diagnosis of disease using the combination of a radioactive tracer, camera, and a computer.
Each participant in this study will receive one comprehensive eye examination which will be performed by a licensed ophthalmologist at the University of Michigan.
This examination will include the assessment of the participant's visual acuity, a slit lamp examination which will look at the anterior and posterior tissues of the eye including the retina using various lights and lenses, and intraocular pressures.
Other Names:
Each participant in this study will undergo fundus photography of each eye.
Fundus photography involves the use of a retinal camera coupled with a low power microscope to capture photographs of the retina.
Other Names:
|
Frontotemporal Dementia
Subjects with Frontotemporal Dementia will undergo a single magnetic resonance imaging (MRI) and PET (positron emission tomography) scan of the brain.
In addition, subjects with Frontotemporal Dementia will receive a comprehensive ophthalmic examination as well as undergo photography and imaging of the eye.
|
Each participant in this study will undergo Optical coherence tomography (OCT), a non-invasive imaging test of the eye, one time.
OCT uses light waves to take cross-section pictures of the retina, which are generated using scattered light waves.
Other Names:
Each participant in this study will undergo a single Magnetic resonance imaging (MRI) scan, a scanning technique for creating detailed images of the human body.
The scan uses a magnetic field and radio waves to generate images of the brain.
Each participant in this study will undergo a single Positron emission tomography (PET) scan of the brain.
PET is a nuclear medicine functional imaging technique that is used to observe metabolic processes in the brain as an aid to the diagnosis of disease using the combination of a radioactive tracer, camera, and a computer.
Each participant in this study will receive one comprehensive eye examination which will be performed by a licensed ophthalmologist at the University of Michigan.
This examination will include the assessment of the participant's visual acuity, a slit lamp examination which will look at the anterior and posterior tissues of the eye including the retina using various lights and lenses, and intraocular pressures.
Other Names:
Each participant in this study will undergo fundus photography of each eye.
Fundus photography involves the use of a retinal camera coupled with a low power microscope to capture photographs of the retina.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Presence of Retinal Thinning
Time Frame: 45 minutes
|
Imaging of the eye will be used to measure differences in retinal thickness between subjects with Alzheimer's Dementia, Frontotemporal Dementia, and healthy age-matched controls.
|
45 minutes
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Presence of Amyloid Plaque
Time Frame: 45 Minutes
|
Fundus autofluorescence (FAF) will be used to detect the presence of lipofuscin
|
45 Minutes
|
Presence of Brain Pathology
Time Frame: 60 Minutes
|
MRI of the brain will be performed in order to determine if pathology observed on neuroimaging correlates quantitatively and/or qualitatively with retinal thickness.
|
60 Minutes
|
Presence of Brain Metabolism
Time Frame: 180 Minutes
|
PET scanning of the brain will be performed in order to determine if brain metabolism observed on neuroimaging correlates quantitatively and/or qualitatively with retinal thickness.
|
180 Minutes
|
Presence of Macular Vascular Anomalies
Time Frame: 45 Minutes
|
Imaging of the eye will be used to measure differences in vascular density between subjects with Alzheimer's Dementia, Frontotemporal Dementia, and healthy age-matched controls.
|
45 Minutes
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Cagri G. Besirli, MD PhD, University of Michigan
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
January 4, 2019
Primary Completion (Actual)
April 3, 2019
Study Completion (Actual)
April 3, 2019
Study Registration Dates
First Submitted
October 5, 2018
First Submitted That Met QC Criteria
October 5, 2018
First Posted (Actual)
October 9, 2018
Study Record Updates
Last Update Posted (Actual)
March 28, 2022
Last Update Submitted That Met QC Criteria
March 10, 2022
Last Verified
March 1, 2022
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Mental Disorders
- Pathologic Processes
- Metabolic Diseases
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Neurologic Manifestations
- Neurobehavioral Manifestations
- Neurocognitive Disorders
- Neurodegenerative Diseases
- TDP-43 Proteinopathies
- Proteostasis Deficiencies
- Tauopathies
- Language Disorders
- Communication Disorders
- Speech Disorders
- Frontotemporal Lobar Degeneration
- Aphasia
- Dementia
- Alzheimer Disease
- Frontotemporal Dementia
- Aphasia, Primary Progressive
- Pick Disease of the Brain
- Nerve Degeneration
Other Study ID Numbers
- HUM00146956
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Yes
IPD Plan Description
IPD Data may be shared if requests to the PI are made, a reasonable plan is proposed, and Data Use agreements are put in place.
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
product manufactured in and exported from the U.S.
No
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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