{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Circadian+Rhythm+Sleep+Disorder&page=3",
    "query": {
      "condition": "Circadian Rhythm Sleep Disorder",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 155,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Circadian+Rhythm+Sleep+Disorder&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Circadian+Rhythm+Sleep+Disorder&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T03:46:43.768Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT01542151",
      "title": "Effects of Sleep, Fatigue, and Timing of Post-dates Inductions Among Nulliparas",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy, Prolonged"
      ],
      "interventions": [
        {
          "name": "Time of labor induction",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "14 Years and older · Female only"
      },
      "enrollment_count": 72,
      "start_date": "2011-10",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2015-03-26",
      "last_synced_at": "2026-10-07T03:46:43.768Z",
      "location_count": 1,
      "location_summary": "Fresno, California",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01542151"
    },
    {
      "nct_id": "NCT04792697",
      "title": "Experimental Manipulation of Sleep and Circadian Rhythms and the Role Played on Reward Function in Teens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Delayed Sleep Phase Syndrome"
      ],
      "interventions": [
        {
          "name": "Increase morning bright light",
          "type": "OTHER"
        },
        {
          "name": "Decrease evening blue light",
          "type": "OTHER"
        },
        {
          "name": "Sleep Scheduling",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Monitor sleep, mood, and substance use",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "13 Years to 15 Years"
      },
      "enrollment_count": 115,
      "start_date": "2021-05-01",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-08",
      "last_synced_at": "2026-10-07T03:46:43.768Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04792697"
    },
    {
      "nct_id": "NCT01264913",
      "title": "Cardiometabolic Risk of Shiftwork",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep Deprivation",
        "Circadian Dysregulation",
        "Shift-Work Sleep Disorder"
      ],
      "interventions": [
        {
          "name": "sleep extension & circadian alignment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 64,
      "start_date": "2009-08",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2016-10-03",
      "last_synced_at": "2026-10-07T03:46:43.768Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01264913"
    },
    {
      "nct_id": "NCT06644573",
      "title": "Evaluating the Efficacy and Safety of PROSOMNIA Sleep Therapy™ in Patients With Sleep Deprivation and Chronic Insomnia",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Insomnia",
        "Sleep Deprivation",
        "REM Behavior Disorder",
        "REM Sleep Behavior Disorder",
        "REM Sleep Measurement",
        "Insomnia",
        "Insomnia Related to Specified Disorder",
        "Insomnia Due to Other Mental Disorder",
        "Insomnia Comorbid to Psychiatric Disorder",
        "Insomnia Due to Anxiety and Fear",
        "Insomnia Related to Another Mental Condition",
        "Insomnia Disorders",
        "Idiopathic Hypersomnia",
        "Sleep Disorders, Circadian Rhythm",
        "Post Trauma Nightmares",
        "PTSD - Post Traumatic Stress Disorder",
        "Sleep Quality",
        "Anesthesia",
        "Anxiety",
        "Depression",
        "Mental Health",
        "Alzheimer Disease or Associated Disorder",
        "Parkinsons",
        "Circadian Rhythm",
        "Circadian Dysregulation",
        "PTSD",
        "Post-Traumatic",
        "Post-Traumatic Stress Disorder Complex",
        "Military Combat Stress Reaction",
        "Sleep",
        "Military Activity",
        "Veterans",
        "Shift Work Sleep Disorder",
        "Menopause Related Conditions",
        "Pain",
        "Cancer Pain",
        "Athletes"
      ],
      "interventions": [
        {
          "name": "PROSOMNIA Sleep Therapy™ (PSTx)",
          "type": "PROCEDURE"
        },
        {
          "name": "Anesthesia-Induced Sleep Therapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Diprivan (propofol), Astra-Zeneca",
          "type": "DRUG"
        },
        {
          "name": "Continuous EEG Monitoring",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Nyree Penn",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 100,
      "start_date": "2025-11-01",
      "completion_date": "2026-05-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-28",
      "last_synced_at": "2026-10-07T03:46:43.768Z",
      "location_count": 1,
      "location_summary": "Aventura, Florida",
      "locations": [
        {
          "city": "Aventura",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06644573"
    },
    {
      "nct_id": "NCT00230737",
      "title": "Effects of Melatonin on Insomnia Symptoms in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sleep Initiation and Maintenance Disorders"
      ],
      "interventions": [
        {
          "name": "Melatonin 0.4 mg",
          "type": "DRUG"
        },
        {
          "name": "Melatonin 4.0 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nalaka Gooneratne",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2004-10",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2017-03-08",
      "last_synced_at": "2026-10-07T03:46:43.768Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00230737"
    },
    {
      "nct_id": "NCT07438912",
      "title": "Mind After Midnight",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Suicidal Ideation",
        "Circadian Rhythm Disorders",
        "Sleep Deprivation",
        "Sleep Wake Disorders"
      ],
      "interventions": [
        {
          "name": "Sleep Pressure Manipulation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 90,
      "start_date": "2026-03-06",
      "completion_date": "2029-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-10-07T03:46:43.768Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07438912"
    },
    {
      "nct_id": "NCT06052397",
      "title": "Sleep and Circadian Rhythm Biomarkers of Postoperative Delirium",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Delirium, Postoperative",
        "Cognitive Decline",
        "Dementia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "70 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "70 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2023-09-12",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-07T03:46:43.768Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06052397"
    },
    {
      "nct_id": "NCT06858774",
      "title": "Use of Circadian Reset Technology to Alter REM Sleep and Appetitive Control in Patients With Binge Eating Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Binge-Eating Disorder"
      ],
      "interventions": [
        {
          "name": "Circadian Reset Technology",
          "type": "BEHAVIORAL"
        },
        {
          "name": "VR Headset",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2025-05-13",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-10-07T03:46:43.768Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06858774"
    },
    {
      "nct_id": "NCT00001285",
      "title": "Effects of Sex Hormones on Circadian Rhythm in Men and Women",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bipolar Disorder",
        "Circadian Rhythm",
        "Depressive Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Mental Health (NIMH)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 73,
      "start_date": "1991-08",
      "completion_date": "2000-06",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-07T03:46:43.768Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001285"
    },
    {
      "nct_id": "NCT04087603",
      "title": "Teen Sleep Health Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disorders, Circadian Rhythm",
        "Adolescent Behavior"
      ],
      "interventions": [
        {
          "name": "Weekend Morning Bright Light & Early Bedtime",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "14 Years to 17 Years"
      },
      "enrollment_count": 52,
      "start_date": "2017-01-05",
      "completion_date": "2019-05-12",
      "has_results": false,
      "last_update_posted_date": "2019-09-19",
      "last_synced_at": "2026-10-07T03:46:43.768Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04087603"
    }
  ]
}