Circadian Rhythm Disorders Clinical Trials

7 recruitingLast updated: June 18, 2026

There are 7 actively recruiting circadian rhythm disorders clinical trials across 8 countries. Studies span Not Applicable. Top locations include Athens, Greece, Barcelona, Spain, Bordeaux, France. Updated daily from ClinicalTrials.gov.


Circadian Rhythm Disorders Trials at a Glance

7 actively recruiting trials for circadian rhythm disorders are listed on ClinicalTrialsFinder across 6 cities in 8 countries. The largest study group is Not Applicable with 4 trials, with the heaviest enrollment activity in Athens, Barcelona, and Bordeaux. Lead sponsors running circadian rhythm disorders studies include Neurological Institute of Athens, Second Affiliated Hospital of Soochow University, and FH Joanneum Gesellschaft mbH.

Browse circadian rhythm disorders trials by phase

Treatments under study

About Circadian Rhythm Disorders Clinical Trials

Looking for clinical trials for Circadian Rhythm Disorders? There are currently 7 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Circadian Rhythm Disorders trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Circadian Rhythm Disorders clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 17 of 7 trials

Recruiting
Not Applicable

Mind After Midnight

Suicidal IdeationSleep DeprivationSleep Wake Disorders+1 more
University of Arizona90 enrolled1 locationNCT07438912
Recruiting
Not Applicable

Effects of Blocking Blue Light at Night Post CABG, AVR, MVR, CABG AVR, CABG MVR, or SAH

Circadian Rhythm Disorders
West Virginia University80 enrolled1 locationNCT04578249
Recruiting
Not Applicable

Effects of Akkermansia Muciniphila and Berberine Supplementation on Insulin Sensitivity in Night-shift Workers

Obesity, OverweightPrediabetes (Insulin Resistance, Impaired Glucose Tolerance)Circadian Rhythm Disorders+1 more
FH Joanneum Gesellschaft mbH200 enrolled1 locationNCT07440147
Recruiting

Translation and Validation of the French Version of the Sleep Regularity Questionnaire: a New Tool to Address the the Challenge of Sleep Health

Circadian Rhythm DisordersChronic Insomnia Disorder
University Hospital, Bordeaux50 enrolled1 locationNCT06727448
Recruiting

Night Shift Work and Biomarkers of Obesity Risk in Hospital and Industry Workers

ObesityShift-work DisorderCircadian Rhythm Disorders
University of Vienna1,000 enrolled1 locationNCT06288568
Recruiting
Not Applicable

Light Therapy in Parkinson's Disease

Parkinson DiseaseSleep DisorderCircadian Rhythm Disorders
Second Affiliated Hospital of Soochow University50 enrolled1 locationNCT06129942
Recruiting

Multidisciplinary Expert System for the Assessment & Management of Complex Brain Disorders

DementiaEpilepsyHealthy+3 more
Neurological Institute of Athens350 enrolled4 locationsNCT05171725