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| Name | Class |
|---|---|
| National Bank of Austria | OTHER_GOV |
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This study aims to investigate the effect of a 2-week trial of bright light therapy (BLT, 10.000 lx) on fatigue in multiple sclerosis (MS) patients. In this randomised placebo-controlled trial, the effect of bright light therapy will be compared to dim red light. MS-fatigue is quantified by patients using a visual analogue scale (VAS) and activity levels, subjective and objective sleep parameters and daytime sleepiness are measured.
Materials and methods:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Bright white light | Experimental |
| |
| Dim red light | Placebo Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| bright light therapy | Device | using a bright light therapy device (10.000 lux) for 30min every morning for two weeks |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in fatigue levels | Improvement of MS-fatigue symptoms as measured with questionnaires (Fatigue Severity Scale; FSS, Modified Fatigue Impact Scale; MFIS and a visual analogue scale) | Day 1, Day 14, Day 30, Day 46 |
| Change in fatigue levels | Improvement of MS-fatigue symptoms as measured with psychological testing (Testbatterie zur Aufmerksamkeitsprüfung; TAP) | Day 15, Day 31 |
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| Measure | Description | Time Frame |
|---|---|---|
| Change in nighttime sleep | Improvement in nighttime sleep as measured with polysomnography (PSG) | Day 14, Day 30 |
| Change in daytime sleepiness | Improvement of sxcessive daytime sleepiness as measured using a multiple sleep latency test (MSLT) and Epworth Sleepiness Scale (ESS) |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Stefan Seidel, MD | Contact | 0043 1 40 400 34280 | stefan.seidel@meduniwien.ac.at | |
| Lisa Voggenberger, MSc | Contact | 0043 1 40 400 34280 | lisa.voggenberger@meduniwien.ac.at |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Medical University of Vienna | Recruiting | Vienna | 1090 | Austria |
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| ID | Term |
|---|---|
| D009103 | Multiple Sclerosis |
| D005221 | Fatigue |
| ID | Term |
|---|---|
| D020278 | Demyelinating Autoimmune Diseases, CNS |
| D020274 | Autoimmune Diseases of the Nervous System |
| D009422 | Nervous System Diseases |
| D003711 | Demyelinating Diseases |
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| ID | Term |
|---|---|
| D014467 | Ultraviolet Therapy |
| ID | Term |
|---|---|
| D010789 | Phototherapy |
| D013812 | Therapeutics |
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| dim red light | Device | using the same device as the active group, but with an installed filter that dims light to <300 lux for 30min every morning for two weeks |
|
| Day 15, Day 31 |
| Change in activity levels | Rapprochement of activity levels according to circadian rhythms | Day 1 through day 46 |
| Change in psychological well-being | Improvement in depression and anxiety scores as measured by Beck Depression Inventory (BDI) and Beck Anxiety Inventory (BAI) | Day 1, Day 14, Day 30, Day 46 |
| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |