- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03811964
Photomotor Reflex to Evaluate the Role of the Non-visual Effects of Light in Neurological, Psychiatric and Ophthalmological Pathologies
August 10, 2023 updated by: University Hospital, Strasbourg, France
Study of the Photomotor Reflex to Evaluate the Role of the Non-visual Effects of Light in Neurological, Psychiatric and Ophthalmological Pathologies
The light has visual and non-visual effects on organism and can act on the behavior, the mood, the cognition and the sleep.
These effects are mediated by "classical" retina photoreceptors which allow vision (rods, cones) but also melanopsin cells.
The non-visual effects of light seems to be altered in many neurological, psychiatric or ophtalmological conditions but their exact role in the pathogenesis remains poorly understand.
The purpose of the study is to increase our knowledge of the non-visual effects of light and establish new therapeutic applications
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
726
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Bourgin Patrice, MD
- Phone Number: 0033 03 88 11 64 30
- Email: pbourgin@unistra.fr
Study Locations
-
-
-
Strasbourg, France, 67000
- Recruiting
- University Hospital, Strasbourg, France
-
Contact:
- Bourgin Patrice, MD
- Phone Number: 0033 03 88 11 64 30
- Email: pbourgin@unistra.fr
-
-
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
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
Yes
Description
Inclusion Criteria:
- Man or woman
- Aged 18 years or older
- Subject having signed a free and informed consent
- Subject affiliated to a social protection scheme Arm 1 :Subjects with primary sleep-wake disorder Arm 2 : subjects presenting a neurological pathology with disorder of the controls of the wake and the sleep Arm 3 : subject presenting a psychiatric pathology pathology with disorder of the controls of the wake and the sleep Arm 4 : subject presenting an ophthalmological pathology with possible alteration of the photoreception and / or phototransduction Arm 5 : subjects with photosensitivity with regulation disorder of sleep and wake Arm 6 : healthy subject
Exclusion Criteria:
Age-Related Macular Degeneration (AMD) and all maculopathies (retinopathies pigmentosa, macular involvement of diabetes)
- Cataract with significant vision loss <5/10
- Chorioretinal neovascularization
- Subject in exclusion period determined by previous or current study
- Impossibility to give the subject information enlightened (subject in emergency situation, difficulties of understanding the subject, ...)
- Subject under the protection of justice
- Subject under guardianship or curatorship
- Pregnancy / Breastfeeding
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
- Primary Purpose: Health Services Research
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: primary sleep-wake disorder
Subjects with primary sleep-wake disorder
|
Specific light exposures using light in a wide range of intensities or different light/dark regimens
|
Other: neurological pathology
subjects presenting a neurological pathology with disorder of the controls of the wake and the sleep
|
Specific light exposures using light in a wide range of intensities or different light/dark regimens
|
Other: psychiatric pathology
subject presenting a psychiatric pathology with disorder of the controls of the wake and the sleep
|
Specific light exposures using light in a wide range of intensities or different light/dark regimens
|
Other: ophthalmological pathology
subject presenting an ophthalmological pathology with possible alteration of the photoreception and / or phototransduction
|
Specific light exposures using light in a wide range of intensities or different light/dark regimens
|
Other: photosensitivity
subjects with photosensitivity with regulation disorder of sleep and wake
|
Specific light exposures using light in a wide range of intensities or different light/dark regimens
|
Other: group control
healthy subject
|
Specific light exposures using light in a wide range of intensities or different light/dark regimens
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
PIPR : Post-Illumination Pupil Response
Time Frame: 1 day
|
1 measurement per subject is performed after exposure to monochromatic light exposure
|
1 day
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Bourgin Patrice, MD, University Hospital, Strasbourg, France
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 22, 2020
Primary Completion (Estimated)
January 1, 2024
Study Completion (Estimated)
February 1, 2024
Study Registration Dates
First Submitted
January 9, 2019
First Submitted That Met QC Criteria
January 17, 2019
First Posted (Actual)
January 22, 2019
Study Record Updates
Last Update Posted (Actual)
August 14, 2023
Last Update Submitted That Met QC Criteria
August 10, 2023
Last Verified
August 1, 2023
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 6791
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
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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