{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Circadian+Dysregulation&page=2",
    "query": {
      "condition": "Circadian Dysregulation",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Circadian+Dysregulation&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T19:36:57.571Z",
  "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": "NCT04373538",
      "title": "Improving Well-being by Improving Memory for Treatment for Sleep and Circadian Dysfunction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disorder",
        "Circadian Dysregulation"
      ],
      "interventions": [
        {
          "name": "Trans-C for sleep and circadian function + Memory Support",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2020-05-01",
      "completion_date": "2021-06-25",
      "has_results": false,
      "last_update_posted_date": "2021-09-29",
      "last_synced_at": "2026-06-10T19:36:57.571Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04373538"
    },
    {
      "nct_id": "NCT05070143",
      "title": "Mini-treatment Experiments to Clarify How to Assist People to Habit Formation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disorder",
        "Circadian Dysregulation",
        "Habit, Good Sleep"
      ],
      "interventions": [
        {
          "name": "RISE-UP Routine",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Awareness Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Vigilant Monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Implementation Intentions",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Values-based Approach",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Brief Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 286,
      "start_date": "2021-10-07",
      "completion_date": "2023-05-01",
      "has_results": false,
      "last_update_posted_date": "2023-05-10",
      "last_synced_at": "2026-06-10T19:36:57.571Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05070143"
    },
    {
      "nct_id": "NCT04364646",
      "title": "Personalized Integrated Chronotherapy for Perinatal Depression",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Postpartum Depression",
        "Prenatal Disorder",
        "Circadian Dysregulation",
        "Pregnancy Related",
        "Sleep Disturbance"
      ],
      "interventions": [
        {
          "name": "Personalized Integrated Chronotherapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Rhode Island Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 120,
      "start_date": "2020-11-02",
      "completion_date": "2025-06-30",
      "has_results": true,
      "last_update_posted_date": "2025-12-09",
      "last_synced_at": "2026-06-10T19:36:57.571Z",
      "location_count": 3,
      "location_summary": "Glen Oaks, New York • Chapel Hill, North Carolina • Providence, Rhode Island",
      "locations": [
        {
          "city": "Glen Oaks",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04364646"
    },
    {
      "nct_id": "NCT05986604",
      "title": "NIA_Improving Function and Well-being by Improving Patient Memory: Transdiagnostic Sleep and Circadian Treatment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Disorder",
        "Circadian Dysregulation",
        "Memory Impairment"
      ],
      "interventions": [
        {
          "name": "Memory Support Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Transdiagnostic Intervention for Sleep and Circadian Dysfunction",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 178,
      "start_date": "2024-01-04",
      "completion_date": "2028-07-28",
      "has_results": false,
      "last_update_posted_date": "2025-11-24",
      "last_synced_at": "2026-06-10T19:36:57.571Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05986604"
    },
    {
      "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": "2026-06-10T19:36:57.571Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01264913"
    },
    {
      "nct_id": "NCT03956745",
      "title": "Biomarkers for Circadian Timing in Healthy Adults",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep Wake Disorders",
        "Sleep Disorders, Circadian Rhythm",
        "Sleep Disorders, Intrinsic",
        "Advanced Sleep Phase Syndrome (ASPS)",
        "Advanced Sleep Phase Syndrome",
        "Advanced Sleep Phase",
        "Delayed Sleep Phase",
        "Delayed Sleep Phase Syndrome",
        "Non-24 Hour Sleep-Wake Disorder",
        "Irregular Sleep-Wake Syndrome",
        "Shift-Work Sleep Disorder",
        "Shift Work Type Circadian Rhythm Sleep Disorder",
        "Delayed Phase Sleep Syndrome"
      ],
      "interventions": [
        {
          "name": "sleep-wake timing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "constant routine",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 15,
      "start_date": "2021-06-01",
      "completion_date": "2025-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-08-03",
      "last_synced_at": "2026-06-10T19:36:57.571Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03956745"
    },
    {
      "nct_id": "NCT03198754",
      "title": "Programmed Environmental Illumination (PEI) of Hospital Rooms to Prevent/Reduce Cancer-Related Fatigue",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer-related Problem/Condition",
        "Depression",
        "Circadian Rhythm Disorders"
      ],
      "interventions": [
        {
          "name": "PEI Experimental Light",
          "type": "DEVICE"
        },
        {
          "name": "Comparison Light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 73,
      "start_date": "2016-07-22",
      "completion_date": "2019-01-23",
      "has_results": true,
      "last_update_posted_date": "2020-08-11",
      "last_synced_at": "2026-06-10T19:36:57.571Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03198754"
    },
    {
      "nct_id": "NCT03188263",
      "title": "Morning Light Treatment to Improve Glucose Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes",
        "Circadian Dysregulation"
      ],
      "interventions": [
        {
          "name": "Bright Light",
          "type": "OTHER"
        },
        {
          "name": "Dim Light",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "35 Years to 70 Years"
      },
      "enrollment_count": 10,
      "start_date": "2017-09-05",
      "completion_date": "2019-12-31",
      "has_results": true,
      "last_update_posted_date": "2021-01-20",
      "last_synced_at": "2026-06-10T19:36:57.571Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03188263"
    },
    {
      "nct_id": "NCT07203196",
      "title": "Circadian Health Regulation and Optimization for Rejuvenation Outcomes",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging, Healthy",
        "Blood Sugar; High",
        "Blood Sugar (Glucose) Control",
        "Time Restricted Eating",
        "Circadian Dysregulation"
      ],
      "interventions": [
        {
          "name": "Circadian Rhythm Optimization",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Salk Institute for Biological Studies",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 16,
      "start_date": "2025-10-22",
      "completion_date": "2026-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-31",
      "last_synced_at": "2026-06-10T19:36:57.571Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07203196"
    },
    {
      "nct_id": "NCT03141086",
      "title": "A Study to Assess the Wakefulness Promoting Effect, Safety, Tolerability, and Pharmacokinetics (PK) of LML134 in Shift Work Disorder",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Circadian Rhythm Disorders"
      ],
      "interventions": [
        {
          "name": "LML134",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 24,
      "start_date": "2017-07-26",
      "completion_date": "2018-09-12",
      "has_results": true,
      "last_update_posted_date": "2021-01-05",
      "last_synced_at": "2026-06-10T19:36:57.571Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • San Diego, California • Miami, Florida + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Oakland Park",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03141086"
    }
  ]
}