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Found 23 studies with search of: "Sleep Disorders, Circadian Rhythm"
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1 Recruiting Effectiveness of Combining Light and Non-Light Treatments for Jet Lag and Sleep Disorders
Condition: Sleep Disorders, Circadian Rhythm
Interventions: Drug: Melatonin;   Drug: Methylxanthine;   Procedure: Light Therapy
2 Completed Efficacy of Ramelteon on Speeding Up Sleep in Subjects With Delayed Sleep Phase Syndrome
Condition: Sleep Disorders, Circadian Rhythm
Interventions: Drug: TAK-375;   Drug: Placebo
3 Not yet recruiting Comprehensive Police Fatigue Management Program
Conditions: Sleep Disorders;   Sleep Apnea, Obstructive;   Restless Legs Syndrome;   Sleep Disorders, Circadian Rhythm;   Sleep Initiation and Maintenance Disorders
Interventions: Behavioral: Sleep Hygiene Education;   Procedure: Sleep Disorders Screening and Treatment
4 Active, not recruiting Treatment Strategies for Children With Smith-Magenis Syndrome
Conditions: Developmental Delay Disorders;   Chromosome Deletion;   Mental Retardation;   Sleep Disorders, Circadian Rhythm;   Self Injurious Behavior
Interventions: Drug: dTR Melatonin (NIH CC PDS);   Device: Phototherapy (Bright Light);   Drug: Melatonin CR
5 Completed Actigraphic Analysis of Treatment Response
Conditions: Sleep Disorders, Circadian Rhythm;   Insomnia;   Psychomotor Agitation
Intervention: Drug: risperidone
6 Completed Effects of Vitamin B12 on the Body's Internal Clock
Condition: Sleep Disorders, Circadian Rhythm
Intervention: Drug: Vitamin B12
7 Recruiting Sleep Disorders Management, Health and Safety in Police
Conditions: Sleep Disorders;   Sleep Apnea, Obstructive;   Restless Legs Syndrome;   Sleep Disorders, Circadian Rhythm;   Sleep Initiation and Maintenance Disorders
Interventions: Behavioral: Sleep Hygiene Education;   Procedure: Screening and Treatment of Sleep Disorders
8 Suspended Light Exposure to Treat Sleep Disruption in Older People
Conditions: Sleep Initiation and Maintenance Disorders;   Circadian Rhythm Sleep Disorders;   Hypersomnia
Intervention: Procedure: light exposure
9 Completed Safety and Efficacy of VEC-162 on Circadian Rhythm in Healthy Adult Volunteers
Condition: Circadian Rhythm Sleep Disorders
Intervention: Drug: VEC-162
10 Completed CEP-10953 for Treatment of Narcolepsy, Obstructive Sleep Apnea/Hypopnea Syndrome, or Chronic Shift Work Sleep Disorder
Conditions: Narcolepsy;   Sleep Apnea, Obstructive;   Sleep Apnea Syndromes;   Shift-Work Sleep Disorder
Intervention: Drug: CEP-10953
11 Recruiting Sleepiness and Brain Function: The Effect of Armodafinil in Shift Work Sleep Disorder
Condition: Shift Work Sleep Disorder
Intervention:
12 Completed Extension Study of the Safety and Efficacy of CEP-10953 in the Treatment of Patients With Excessive Sleepiness
Conditions: Excessive Daytime Sleepiness;   Narcolepsy
Intervention: Drug: CEP-10953
13 Recruiting Circadian Rhythms and Sleep in Familial Delayed Sleep Phase Syndrome (DSPS) and Advanced Sleep Phase Syndrome (ASPS)
Condition: Sleep
Intervention:
14 Recruiting Sleep Enhancement Training Study for Experienced Shiftworkers
Condition: Shift-Work Sleep Disorder
Interventions: Behavioral: NIOSH shiftwork booklet;   Behavioral: Sleep Enhancement Training System
15 Recruiting Effects of Daytime Eszopiclone Administration in Shift Workers
Condition: Shift-Work Sleep Disorder
Interventions: Drug: eszopiclone;   Drug: matching placebo
16 Recruiting Synchronization and Desynchronization Between Circadian Rhythms in Patients With Delayed Sleep Phase Syndrome (DSPS)
Condition: Delayed Sleep Phase Syndrome
Intervention: Drug: Melatonin
17 Recruiting Sleep Enhancement Training Study for Novice Shiftworkers
Condition: Shift-Work Sleep Disorder
Interventions: Behavioral: Sleep Enhancement Training System;   Behavioral: NIOSH shiftwork booklet
18 Completed Efficacy and Safety of Circadin for Non-24 Hour Sleep-Wake Disorder in Totally Blind Subjects
Conditions: Non-24 Hour Sleep-Wake Disorder;   Blindness
Interventions: Drug: melatonin (Circadin);   Drug: placebo
19 Completed Study of the Efficacy and Multiple-Dose Plasma Concentration-Time Profiles of Armodafinil and PROVIGIL
Condition: Chronic Shift Work Sleep Disorder
Intervention: Drug: PROVIGIL
20 Recruiting Randomized Controlled Trial on the Treatment Effects of Melatonin and Light Therapy on Delayed Sleep Phase Syndrome
Condition: Delayed Sleep Phase Syndrome
Interventions: Dietary Supplement: Melatonin;   Other: Placebo melatonin;   Other: placebo light therapy;   Other: Light therapy

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