Circadian Rhythm Clinical Trials

79 clinical trials for Circadian Rhythm across international registries, including 19 currently recruiting participants. Compare status, phase, eligibility criteria and locations.

• Relationships Among Pupil Responses to Light, Circadian Rhythms, and Sleep — RECRUITING · NA
• Morning Bright Light Therapy and Daytime Functioning in University Students — RECRUITING · NA
• Chronotype Alignment and Time Perception — RECRUITING · NA
• SCREENS: Sleep, Circadian Rhythms, and Electronics in the EveNing Study — RECRUITING · NA
• Cannabis Effects on Sleep, Circadian Rhythms, and Light Sensitivity in Young Adults — RECRUITING · NA
• Sleep Survey for Medical Trainees — RECRUITING
• Feasibility of Wearables in Dementia Care in Rural Taiwan — RECRUITING · NA
• Dietary Impact on Sleep, Rhythms and Related Physiology — RECRUITING · NA
• Sleep and Circadian Contributions to Nighttime Blood Pressure — RECRUITING · NA
• Nighttime Synchrony of Your Nutrition and Circadian Health — RECRUITING · NA
• This Trial Examines How Last Meal Composition and Timing Affect Sleep Quality and Circadian Gene Expression Among Medical Residents. Recruitment Not Yet Started; Study Begins Dec 2025 and Ends Dec 2026. — RECRUITING · NA
• Light in Frail Elderly - the Effect of a Dynamic Light for Sleep and Circadian Rhythm — RECRUITING · NA
• Circadian Rhythms and Time Perception in Healthy Adults During Constant Wakefulness — RECRUITING · NA
• Circadian Timing and Time Perception in Healthy Adults — RECRUITING · NA
• Food and Circadian Timing — RECRUITING · NA
• The Influence of Sleep on Cardiovascular Outcomes — RECRUITING · NA
• Examining the Circadian Timing Effects of the Hypotensive Response to Exercise — RECRUITING · NA
• Impact of Evening Snacks and Pre-Breakfast Intake on Sleep, Heart Rate Variability, and Stress Markers in Healthy Males. — RECRUITING · NA
• Idiopathic Scoliosis New Onset and Melatonin Phase Delay in Children — RECRUITING
• Effect of Circadian Rhythm on the Sedative Efficacy and Recovery Quality of Ciprofol General Anesthesia: A Multi-Center Observational Study — NOT_YET_RECRUITING
• Digital Insomnia and Circadian Therapy for Reducing Depression Symptoms in College Students — NOT_YET_RECRUITING · NA
• Effects of Afternoon Napping, Caffeine, and Standardised Active Recovery on Evening Athletic Performance — COMPLETED · NA
• Light Timing Study — COMPLETED · NA
• Pistacho and Sleep Quality — COMPLETED · NA
• Exercise Interventions in Obstructive Sleep Apnea Syndrome — NOT_YET_RECRUITING · NA
• Hyperthermia in Patients With Chronic Primary Pain - Effects on Thermoregulation, Somatosensory System and Movement Evoked Pain — NOT_YET_RECRUITING · NA
• Circadian Rhythm Monitoring Study — NOT_YET_RECRUITING · NA
• Sleep Loss and Circadian Misalignment - Mechanisms of Insulin Resistance — NOT_YET_RECRUITING · PHASE4
• Time to Move in Pregnancy Hyperglycemia — COMPLETED · NA
• Early Pregnancy Lifestyle and Glucose Patterns: A Substudy of TOFFFY — NOT_YET_RECRUITING · NA
• Chrononutrition in Preterm Infants: a Randomised Controlled Trial of Time-matched Breast Milk Feeding and Its Effects on Sleep and Circadian Development — NOT_YET_RECRUITING · NA
• THE EFFECTS OF CIRCADIAN RHYTHM-BASED PROGRESSIVE RELAXATION EXERCISES IN HEMODIALYSIS PATIENTS — NOT_YET_RECRUITING · NA
• Time-restricted Feeding and Health — COMPLETED · NA
• Effect of Esketamine on Postoperative Sleep in Postmenopausal Women — NOT_YET_RECRUITING · NA
• Interaction of Melatonin and MTNR1B Genotype on Glucose Control - Study 1 — COMPLETED · NA
• Investigating the Effects of Time-of-day and Menstrual Cycle Phase (Low and High Progesterone) on Female's Cognitive and Strength Performance — NOT_YET_RECRUITING
• A Longitudinal Follow-Up Study on Predicting Major Depressive Disorder From Rest-Activity Rhythm Profiles — NOT_YET_RECRUITING
• Chrono-ALIGN: A Chronotype-Based Chrono-Nutrition Intervention in Post-Bariatric Patients — NOT_YET_RECRUITING · NA
• Donor Circadian Rhythm and Its Correlation With Prognosis After Heart Transplantation — COMPLETED
• Pain Perception and Exercise-Induced Hypoalgesia Across Circadian Rhythms — NOT_YET_RECRUITING · NA
• Resistance Exercise and Sleep Quality by Chronotype — NOT_YET_RECRUITING · NA
• Nocturnal Blood Pressure Dipping and Ventricular Repolarization in Hypertension — NOT_YET_RECRUITING
• Effects of Inspiratory Muscle Training Combined With Circadian Rhythm-based Running Programs in Children Male Football Players — COMPLETED · NA
• Teen Sleep and Light Study — COMPLETED · NA
• Effects of Meal Energy Density on Body Measures and Metabolism in Women — COMPLETED · NA
• Evaluating the Efficacy and Safety of PROSOMNIA Sleep Therapy™ in Patients With Sleep Deprivation and Chronic Insomnia — NOT_YET_RECRUITING · PHASE1
• Circadian Rhythm and Delirium in ICU — COMPLETED
• MorphECOS - Evaluation of the Influence of Fatigue and Sleep on the Performance of 2nd Cycle Medical Students (OSCE) — COMPLETED
• Effect of Continuous Versus Cyclic Daytime Enteral Nutrition on Circadian Rhythms in Critical Illness — COMPLETED · NA
• Effects of Melatonin Supplementation on Sleep Quality in Patients With Advanced Glaucoma — COMPLETED · NA

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