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		Search Text: Clinical Trials
					
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            The NHLBI leads or sponsors studies for patients who have heart, lung, blood, or sleep related diseases or disorders. Find studies for diseases and conditions and see if you or a loved one is eligible.
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      How Clinical Trials Work
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      Who Can Participate
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      Benefits, Risks & Safety Measures
Find NHLBI Clinical Trials

Search selected NHLBI-supported clinical trials and observational studies by condition, location, or age group. You can also view the complete list of NHLBI-funded studies at ClinicalTrials.gov.
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          CLEARAcute Respiratory Distress SyndromeAlpha-1 Antitrypsin DeficiencyAnemiaAngina (Chest Pain)Aortic AneurysmAplastic AnemiaArrhythmiasAsthmaAtherosclerosisAtrial FibrillationBleeding DisordersBlood CholesterolBlood Clotting DisordersBronchiectasisCardiac ArrestCardiac CatheterizationCardiogenic ShockCardiomyopathyChildhood Obesity(-)
Circadian Rhythm DisordersConduction DisordersCongenital Heart DefectsCOPDCoronary Artery Bypass GraftingCoronary Heart DiseaseCystic FibrosisDeep Vein Thrombosis (DVT)DefibrillatorsGet Regular Physical ActivityHeart-Healthy LivingHeart AttackHeart FailureHeart InflammationHeart SurgeryHeart TestsHeart TransplantHeart TreatmentsHeart Valve DiseasesHigh Blood PressureHigh Blood TriglyceridesHow Sleep WorksHow the Heart WorksHow the Lungs WorkIdiopathic Pulmonary FibrosisInsomniaInterstitial Lung DiseasesLAMLong QT SyndromeLow Blood PressureLung Disease TreatmentsMarfan SyndromeMetabolic SyndromeNarcolepsyOverweight and ObesityPacemakersPeripheral Artery DiseasePhysical Activity and Your HeartPlatelet DisordersPneumoniaPolycythemia VeraPrimary Ciliary DyskinesiaPulmonary HypertensionPulmonary RehabilitationRespiratory FailureSarcoidosisSickle Cell DiseaseSleep ApneaSleep Deprivation and DeficiencySleep StudiesSmoking and Your HeartStrokeTests for Lung DiseaseThalassemiaThe LungsTranscatheter Aortic Valve Replacement (TAVR)Treatments for Blood DisordersVasculitisVenous ThromboembolismVentilator/Ventilator SupportWhat Is Physical Activity?Women and Heart Disease

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Clear AllCircadian Rhythm Disorders
Showing 1 - 3 out of 3 results
      
      Circadian Rhythms and Sleep in Familial Delayed Sleep Phase Syndrome (DSPS) and Advanced Sleep Phase Syndrome (ASPS  )
      Recruiting
                          Illinois
        Are you an adult with a diagnosed sleep phase disorder?
                    This study aims to assess the sleep patterns and quality of sleep in people who have sleep phase disorders to determine how the disorders affect their circadian rhythms. To participate in this study, you must be at least 18 years old and have a sleep phase disorder, such as advanced sleep-wake phase syndrome or delayed sleep-wake phase syndrome. This study is located in Chicago, Illinois.
      Circadian Rhythm Disorders
              Sleep Deprivation and Deficiency
                          Adult, Older Adult
    Impact of Sleep Restriction on Performance in Adults
      Recruiting
                          New York
        Do you have overweight?
                    Circadian rhythm disorders can cause overweight and obesity. This study is examining how not getting enough sleep causes these complications. To participate in this study, you must be between the ages of 20 and 40 and have overweight but not obesity. This study is located in New York, New York.
      Heart-Healthy Living
              Circadian Rhythm Disorders
              Narcolepsy
              Overweight and Obesity
                          Adult, Older Adult
                                      Accepting Healthy Volunteers
    HELP-HY: Health Education and sLeep Program in HYpertension
      Recruiting
                          Minnesota
        Are you a healthy adult who regularly sleeps for 6.5 or fewer hours?
                    This study is examining whether getting enough sleep can lower your risk of high blood pressure. To participate in this study, you must be between 18 and 65 years old, regularly sleep for 6.5 or fewer hours, and be able to adjust your sleep schedule for the study. This study is located in Rochester, Minnesota.
      Heart-Healthy Living
              High Blood Pressure
              Circadian Rhythm Disorders
              Narcolepsy
                          Adult, Older Adult
                                      Accepting Healthy Volunteers Back To Top Link
  

        

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